Cleanup split creator.c

creator.c was getting hard to follow.

- Split off argument and signal handling into own files.
- Move docstrings next to functions (to keep docs grouped with code).

5 files changed, 2135 insertions, 1669 deletions

diff --git a/source/creator/CMakeLists.txt b/source/creator/CMakeLists.txt
index 74b26d1fd4f..765f98baab5 100644
--- a/source/creator/CMakeLists.txt
+++ b/source/creator/CMakeLists.txt
@@ -102,6 +102,10 @@ endif()
 # Setup the exe sources and buildinfo
 set(SRC
 	creator.c
+	creator_args.c
+	creator_signals.c
+
+	creator_intern.h
 )
 
 # MSVC 2010 gives linking errors with the manifest
diff --git a/source/creator/creator.c b/source/creator/creator.c
index b2bfe7f5d83..2c2af7c199a 100644
--- a/source/creator/creator.c
+++ b/source/creator/creator.c
@@ -29,16 +29,8 @@
  *  \ingroup creator
  */
 
-
-#if defined(__linux__) && defined(__GNUC__)
-#  define _GNU_SOURCE
-#  include <fenv.h>
-#endif
-
-#if (defined(__APPLE__) && (defined(__i386__) || defined(__x86_64__)))
-#  define OSX_SSE_FPE
-#  include <xmmintrin.h>
-#endif
+#include <stdlib.h>
+#include <string.h>
 
 #ifdef WIN32
 #  if defined(_MSC_VER) && defined(_M_X64)
@@ -48,14 +40,6 @@
 #  include "utfconv.h"
 #endif
 
-#include <stdlib.h>
-#include <stddef.h>
-#include <string.h>
-#include <errno.h>
-#include <time.h>
-
-/* This little block needed for linking to Blender... */
-
 #include "MEM_guardedalloc.h"
 
 #ifdef WIN32
@@ -66,63 +50,39 @@
 #include "BLI_threads.h"
 #include "BLI_utildefines.h"
 #include "BLI_callbacks.h"
-#include "BLI_blenlib.h"
-#include "BLI_mempool.h"
-#include "BLI_system.h"
-#include BLI_SYSTEM_PID_H
-
-#include "DNA_ID.h"
-#include "DNA_scene_types.h"
-#include "DNA_userdef_types.h"
+#include "BLI_string.h"
 
+/* mostly init functions */
 #include "BKE_appdir.h"
 #include "BKE_blender.h"
 #include "BKE_brush.h"
 #include "BKE_context.h"
-#include "BKE_depsgraph.h" /* for DAG_on_visible_update */
+#include "BKE_depsgraph.h" /* for DAG_init */
 #include "BKE_font.h"
 #include "BKE_global.h"
-#include "BKE_library.h"
-#include "BKE_main.h"
 #include "BKE_material.h"
 #include "BKE_modifier.h"
-#include "BKE_scene.h"
 #include "BKE_node.h"
-#include "BKE_report.h"
 #include "BKE_sound.h"
 #include "BKE_image.h"
 #include "BKE_particle.h"
 
-#include "DEG_depsgraph.h"
 
 #include "IMB_imbuf.h"  /* for IMB_init */
 
-#ifdef WITH_PYTHON
-#include "BPY_extern.h"
-#endif
-
 #include "RE_engine.h"
-#include "RE_pipeline.h"
 #include "RE_render_ext.h"
 
 #include "ED_datafiles.h"
-#include "ED_util.h"
 
 #include "WM_api.h"
 
 #include "RNA_define.h"
 
-#include "GPU_draw.h"
-#include "GPU_extensions.h"
-
 #ifdef WITH_FREESTYLE
 #  include "FRS_freestyle.h"
 #endif
 
-#ifdef WITH_BUILDINFO_HEADER
-#  define BUILD_DATE
-#endif
-
 /* for passing information between creator and gameengine */
 #ifdef WITH_GAMEENGINE
 #  include "BL_System.h"
@@ -133,9 +93,7 @@
 #include <signal.h>
 
 #ifdef __FreeBSD__
-#  include <sys/types.h>
 #  include <floatingpoint.h>
-#  include <sys/rtprio.h>
 #endif
 
 #ifdef WITH_BINRELOC
@@ -154,1623 +112,54 @@
 #  include "sdlew.h"
 #endif
 
-/* from buildinfo.c */
-#ifdef BUILD_DATE
-extern char build_date[];
-extern char build_time[];
-extern char build_hash[];
-extern unsigned long build_commit_timestamp;
-
-/* TODO(sergey): ideally size need to be in sync with buildinfo.c */
-extern char build_commit_date[16];
-extern char build_commit_time[16];
-
-extern char build_branch[];
-extern char build_platform[];
-extern char build_type[];
-extern char build_cflags[];
-extern char build_cxxflags[];
-extern char build_linkflags[];
-extern char build_system[];
-#endif
+#include "creator_intern.h"  /* own include */
+
 
 /*	Local Function prototypes */
 #ifdef WITH_PYTHON_MODULE
 int  main_python_enter(int argc, const char **argv);
 void main_python_exit(void);
-#else
-static int print_help(int argc, const char **argv, void *data);
-static int print_version(int argc, const char **argv, void *data);
-#endif
-
-/* for the callbacks: */
-#ifndef WITH_PYTHON_MODULE
-#define BLEND_VERSION_FMT         "Blender %d.%02d (sub %d)"
-#define BLEND_VERSION_ARG         BLENDER_VERSION / 100, BLENDER_VERSION % 100, BLENDER_SUBVERSION
-/* pass directly to printf */
-#define BLEND_VERSION_STRING_FMT  BLEND_VERSION_FMT "\n", BLEND_VERSION_ARG
-#endif
-
-/* Initialize callbacks for the modules that need them */
-static void setCallbacks(void); 
-
-static unsigned char python_exit_code_on_error = 0;
-
-#ifndef WITH_PYTHON_MODULE
-
-static bool use_crash_handler = true;
-static bool use_abort_handler = true;
-
-/* set breakpoints here when running in debug mode, useful to catch floating point errors */
-#if defined(__linux__) || defined(_WIN32) || defined(OSX_SSE_FPE)
-static void fpe_handler(int UNUSED(sig))
-{
-	fprintf(stderr, "debug: SIGFPE trapped\n");
-}
-#endif
-
-/* handling ctrl-c event in console */
-#if !(defined(WITH_PYTHON_MODULE) || defined(WITH_HEADLESS))
-static void blender_esc(int sig)
-{
-	static int count = 0;
-	
-	G.is_break = true;  /* forces render loop to read queue, not sure if its needed */
-	
-	if (sig == 2) {
-		if (count) {
-			printf("\nBlender killed\n");
-			exit(2);
-		}
-		printf("\nSent an internal break event. Press ^C again to kill Blender\n");
-		count++;
-	}
-}
-#endif
-
-static int print_version(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
-{
-	printf(BLEND_VERSION_STRING_FMT);
-#ifdef BUILD_DATE
-	printf("\tbuild date: %s\n", build_date);
-	printf("\tbuild time: %s\n", build_time);
-	printf("\tbuild commit date: %s\n", build_commit_date);
-	printf("\tbuild commit time: %s\n", build_commit_time);
-	printf("\tbuild hash: %s\n", build_hash);
-	printf("\tbuild platform: %s\n", build_platform);
-	printf("\tbuild type: %s\n", build_type);
-	printf("\tbuild c flags: %s\n", build_cflags);
-	printf("\tbuild c++ flags: %s\n", build_cxxflags);
-	printf("\tbuild link flags: %s\n", build_linkflags);
-	printf("\tbuild system: %s\n", build_system);
-#endif
-	exit(0);
-
-	return 0;
-}
-
-static int print_help(int UNUSED(argc), const char **UNUSED(argv), void *data)
-{
-	bArgs *ba = (bArgs *)data;
-
-	printf(BLEND_VERSION_STRING_FMT);
-	printf("Usage: blender [args ...] [file] [args ...]\n\n");
-
-	printf("Render Options:\n");
-	BLI_argsPrintArgDoc(ba, "--background");
-	BLI_argsPrintArgDoc(ba, "--render-anim");
-	BLI_argsPrintArgDoc(ba, "--scene");
-	BLI_argsPrintArgDoc(ba, "--render-frame");
-	BLI_argsPrintArgDoc(ba, "--frame-start");
-	BLI_argsPrintArgDoc(ba, "--frame-end");
-	BLI_argsPrintArgDoc(ba, "--frame-jump");
-	BLI_argsPrintArgDoc(ba, "--render-output");
-	BLI_argsPrintArgDoc(ba, "--engine");
-	BLI_argsPrintArgDoc(ba, "--threads");
-	
-	printf("\n");
-	printf("Format Options:\n");
-	BLI_argsPrintArgDoc(ba, "--render-format");
-	BLI_argsPrintArgDoc(ba, "--use-extension");
-
-	printf("\n");
-	printf("Animation Playback Options:\n");
-	BLI_argsPrintArgDoc(ba, "-a");
-				
-	printf("\n");
-	printf("Window Options:\n");
-	BLI_argsPrintArgDoc(ba, "--window-border");
-	BLI_argsPrintArgDoc(ba, "--window-borderless");
-	BLI_argsPrintArgDoc(ba, "--window-geometry");
-	BLI_argsPrintArgDoc(ba, "--start-console");
-	BLI_argsPrintArgDoc(ba, "--no-native-pixels");
-
-
-	printf("\n");
-	printf("Game Engine Specific Options:\n");
-	BLI_argsPrintArgDoc(ba, "-g");
-
-	printf("\n");
-	printf("Python Options:\n");
-	BLI_argsPrintArgDoc(ba, "--enable-autoexec");
-	BLI_argsPrintArgDoc(ba, "--disable-autoexec");
-
-	printf("\n");
-
-	BLI_argsPrintArgDoc(ba, "--python");
-	BLI_argsPrintArgDoc(ba, "--python-text");
-	BLI_argsPrintArgDoc(ba, "--python-expr");
-	BLI_argsPrintArgDoc(ba, "--python-console");
-	BLI_argsPrintArgDoc(ba, "--python-exit-code");
-	BLI_argsPrintArgDoc(ba, "--addons");
-
-
-	printf("\n");
-	printf("Debug Options:\n");
-	BLI_argsPrintArgDoc(ba, "--debug");
-	BLI_argsPrintArgDoc(ba, "--debug-value");
-
-	printf("\n");
-	BLI_argsPrintArgDoc(ba, "--debug-events");
-#ifdef WITH_FFMPEG
-	BLI_argsPrintArgDoc(ba, "--debug-ffmpeg");
-#endif
-	BLI_argsPrintArgDoc(ba, "--debug-handlers");
-#ifdef WITH_LIBMV
-	BLI_argsPrintArgDoc(ba, "--debug-libmv");
-#endif
-#ifdef WITH_CYCLES_LOGGING
-	BLI_argsPrintArgDoc(ba, "--debug-cycles");
-#endif
-	BLI_argsPrintArgDoc(ba, "--debug-memory");
-	BLI_argsPrintArgDoc(ba, "--debug-jobs");
-	BLI_argsPrintArgDoc(ba, "--debug-python");
-	BLI_argsPrintArgDoc(ba, "--debug-depsgraph");
-	BLI_argsPrintArgDoc(ba, "--debug-depsgraph-no-threads");
-
-	BLI_argsPrintArgDoc(ba, "--debug-gpumem");
-	BLI_argsPrintArgDoc(ba, "--debug-wm");
-	BLI_argsPrintArgDoc(ba, "--debug-all");
-
-	printf("\n");
-	BLI_argsPrintArgDoc(ba, "--debug-fpe");
-	BLI_argsPrintArgDoc(ba, "--disable-crash-handler");
-
-	printf("\n");
-	printf("Misc Options:\n");
-	BLI_argsPrintArgDoc(ba, "--factory-startup");
-	printf("\n");
-	BLI_argsPrintArgDoc(ba, "--env-system-datafiles");
-	BLI_argsPrintArgDoc(ba, "--env-system-scripts");
-	BLI_argsPrintArgDoc(ba, "--env-system-python");
-	printf("\n");
-	BLI_argsPrintArgDoc(ba, "-nojoystick");
-	BLI_argsPrintArgDoc(ba, "-noglsl");
-	BLI_argsPrintArgDoc(ba, "-noaudio");
-	BLI_argsPrintArgDoc(ba, "-setaudio");
-
-	printf("\n");
-
-	BLI_argsPrintArgDoc(ba, "--help");
-
-#ifdef WIN32
-	BLI_argsPrintArgDoc(ba, "-R");
-	BLI_argsPrintArgDoc(ba, "-r");
-#endif
-	BLI_argsPrintArgDoc(ba, "--version");
-
-	BLI_argsPrintArgDoc(ba, "--");
-
-	printf("Other Options:\n");
-	BLI_argsPrintOtherDoc(ba);
-
-	printf("\n");
-	printf("Experimental features:\n");
-	BLI_argsPrintArgDoc(ba, "--enable-new-depsgraph");
-
-	printf("Argument Parsing:\n");
-	printf("\tArguments must be separated by white space, eg:\n");
-	printf("\t# blender -ba test.blend\n");
-	printf("\t...will ignore the 'a'\n");
-	printf("\t# blender -b test.blend -f8\n");
-	printf("\t...will ignore '8' because there is no space between the '-f' and the frame value\n\n");
-
-	printf("Argument Order:\n");
-	printf("\tArguments are executed in the order they are given. eg:\n");
-	printf("\t# blender --background test.blend --render-frame 1 --render-output '/tmp'\n");
-	printf("\t...will not render to '/tmp' because '--render-frame 1' renders before the output path is set\n");
-	printf("\t# blender --background --render-output /tmp test.blend --render-frame 1\n");
-	printf("\t...will not render to '/tmp' because loading the blend file overwrites the render output that was set\n");
-	printf("\t# blender --background test.blend --render-output /tmp --render-frame 1\n");
-	printf("\t...works as expected.\n\n");
-
-	printf("Environment Variables:\n");
-	printf("  $BLENDER_USER_CONFIG      Directory for user configuration files.\n");
-	printf("  $BLENDER_USER_SCRIPTS     Directory for user scripts.\n");
-	printf("  $BLENDER_SYSTEM_SCRIPTS   Directory for system wide scripts.\n");
-	printf("  $BLENDER_USER_DATAFILES   Directory for user data files (icons, translations, ..).\n");
-	printf("  $BLENDER_SYSTEM_DATAFILES Directory for system wide data files.\n");
-	printf("  $BLENDER_SYSTEM_PYTHON    Directory for system python libraries.\n");
-#ifdef WIN32
-	printf("  $TEMP                     Store temporary files here.\n");
-#else
-	printf("  $TMP or $TMPDIR           Store temporary files here.\n");
-#endif
-#ifdef WITH_SDL
-	printf("  $SDL_AUDIODRIVER          LibSDL audio driver - alsa, esd, dma.\n");
-#endif
-	printf("  $PYTHONHOME               Path to the python directory, eg. /usr/lib/python.\n\n");
-
-	exit(0);
-
-	return 0;
-}
-
-static bool parse_int_relative(
-        const char *str, int pos, int neg,
-        int *r_value, const char **r_err_msg)
-{
-	char *str_end = NULL;
-	long value;
-
-	errno = 0;
-
-	switch (*str) {
-		case '+':
-			value = pos + strtol(str + 1, &str_end, 10);
-			break;
-		case '-':
-			value = (neg - strtol(str + 1, &str_end, 10)) + 1;
-			break;
-		default:
-			value = strtol(str, &str_end, 10);
-			break;
-	}
-
-
-	if (*str_end != '\0') {
-		static const char *msg = "not a number";
-		*r_err_msg = msg;
-		return false;
-	}
-	else if ((errno == ERANGE) || ((value < INT_MIN || value > INT_MAX))) {
-		static const char *msg = "exceeds range";
-		*r_err_msg = msg;
-		return false;
-	}
-	else {
-		*r_value = (int)value;
-		return true;
-	}
-}
-
-static bool parse_int_relative_clamp(
-        const char *str, int pos, int neg, int min, int max,
-        int *r_value, const char **r_err_msg)
-{
-	if (parse_int_relative(str, pos, neg, r_value, r_err_msg)) {
-		CLAMP(*r_value, min, max);
-		return true;
-	}
-	else {
-		return false;
-	}
-}
-
-/**
- * No clamping, fails with any number outside the range.
- */
-static bool parse_int_strict_range(
-        const char *str, const int min, const int max,
-        int *r_value, const char **r_err_msg)
-{
-	char *str_end = NULL;
-	long value;
-
-	errno = 0;
-	value = strtol(str, &str_end, 10);
-
-	if (*str_end != '\0') {
-		static const char *msg = "not a number";
-		*r_err_msg = msg;
-		return false;
-	}
-	else if ((errno == ERANGE) || ((value < min || value > max))) {
-		static const char *msg = "exceeds range";
-		*r_err_msg = msg;
-		return false;
-	}
-	else {
-		*r_value = (int)value;
-		return true;
-	}
-}
-
-static bool parse_int(
-        const char *str,
-        int *r_value, const char **r_err_msg)
-{
-	return parse_int_strict_range(str, INT_MIN, INT_MAX, r_value, r_err_msg);
-}
-
-static bool parse_int_clamp(
-        const char *str, int min, int max,
-        int *r_value, const char **r_err_msg)
-{
-	if (parse_int(str, r_value, r_err_msg)) {
-		CLAMP(*r_value, min, max);
-		return true;
-	}
-	else {
-		return false;
-	}
-}
-
-static int end_arguments(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
-{
-	return -1;
-}
-
-static int enable_python(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
-{
-	G.f |= G_SCRIPT_AUTOEXEC;
-	G.f |= G_SCRIPT_OVERRIDE_PREF;
-	return 0;
-}
-
-static int disable_python(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
-{
-	G.f &= ~G_SCRIPT_AUTOEXEC;
-	G.f |= G_SCRIPT_OVERRIDE_PREF;
-	return 0;
-}
-
-static int disable_crash_handler(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
-{
-	use_crash_handler = false;
-	return 0;
-}
-
-static int disable_abort_handler(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
-{
-	use_abort_handler = false;
-	return 0;
-}
-
-static int background_mode(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
-{
-	G.background = 1;
-	return 0;
-}
-
-static int debug_mode(int UNUSED(argc), const char **UNUSED(argv), void *data)
-{
-	G.debug |= G_DEBUG;  /* std output printf's */
-	printf(BLEND_VERSION_STRING_FMT);
-	MEM_set_memory_debug();
-#ifndef NDEBUG
-	BLI_mempool_set_memory_debug();
-#endif
-
-#ifdef WITH_BUILDINFO
-	printf("Build: %s %s %s %s\n", build_date, build_time, build_platform, build_type);
-#endif
-
-	BLI_argsPrint(data);
-	return 0;
-}
-
-static int debug_mode_generic(int UNUSED(argc), const char **UNUSED(argv), void *data)
-{
-	G.debug |= GET_INT_FROM_POINTER(data);
-	return 0;
-}
-
-#ifdef WITH_LIBMV
-static int debug_mode_libmv(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
-{
-	libmv_startDebugLogging();
-
-	return 0;
-}
-#endif
-
-#ifdef WITH_CYCLES_LOGGING
-static int debug_mode_cycles(int UNUSED(argc), const char **UNUSED(argv),
-                             void *UNUSED(data))
-{
-	CCL_start_debug_logging();
-	return 0;
-}
-#endif
-
-static int debug_mode_memory(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
-{
-	MEM_set_memory_debug();
-	return 0;
-}
-
-static int set_debug_value(int argc, const char **argv, void *UNUSED(data))
-{
-	const char *arg_id = "--debug-value";
-	if (argc > 1) {
-		const char *err_msg = NULL;
-		int value;
-		if (!parse_int(argv[1], &value, &err_msg)) {
-			printf("\nError: %s '%s %s'.\n", err_msg, arg_id, argv[1]);
-			return 1;
-		}
-
-		G.debug_value = value;
-
-		return 1;
-	}
-	else {
-		printf("\nError: you must specify debug value to set.\n");
-		return 0;
-	}
-}
-
-static int set_fpe(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
-{
-#if defined(__linux__) || defined(_WIN32) || defined(OSX_SSE_FPE)
-	/* zealous but makes float issues a heck of a lot easier to find!
-	 * set breakpoints on fpe_handler */
-	signal(SIGFPE, fpe_handler);
-
-# if defined(__linux__) && defined(__GNUC__)
-	feenableexcept(FE_DIVBYZERO | FE_INVALID | FE_OVERFLOW);
-# endif /* defined(__linux__) && defined(__GNUC__) */
-# if defined(OSX_SSE_FPE)
-	/* OSX uses SSE for floating point by default, so here 
-	 * use SSE instructions to throw floating point exceptions */
-	_MM_SET_EXCEPTION_MASK(_MM_MASK_MASK & ~
-	                       (_MM_MASK_OVERFLOW | _MM_MASK_INVALID | _MM_MASK_DIV_ZERO));
-# endif /* OSX_SSE_FPE */
-# if defined(_WIN32) && defined(_MSC_VER)
-	_controlfp_s(NULL, 0, _MCW_EM); /* enables all fp exceptions */
-	_controlfp_s(NULL, _EM_DENORMAL | _EM_UNDERFLOW | _EM_INEXACT, _MCW_EM); /* hide the ones we don't care about */
-# endif /* _WIN32 && _MSC_VER */
-#endif
-
-	return 0;
-}
-
-static void blender_crash_handler_backtrace(FILE *fp)
-{
-	fputs("\n# backtrace\n", fp);
-	BLI_system_backtrace(fp);
-}
-
-static void blender_crash_handler(int signum)
-{
-
-#if 0
-	{
-		char fname[FILE_MAX];
-
-		if (!G.main->name[0]) {
-			BLI_make_file_string("/", fname, BKE_tempdir_base(), "crash.blend");
-		}
-		else {
-			BLI_strncpy(fname, G.main->name, sizeof(fname));
-			BLI_replace_extension(fname, sizeof(fname), ".crash.blend");
-		}
-
-		printf("Writing: %s\n", fname);
-		fflush(stdout);
-
-		BKE_undo_save_file(fname);
-	}
-#endif
-
-	FILE *fp;
-	char header[512];
-	wmWindowManager *wm = G.main->wm.first;
-
-	char fname[FILE_MAX];
-
-	if (!G.main->name[0]) {
-		BLI_join_dirfile(fname, sizeof(fname), BKE_tempdir_base(), "blender.crash.txt");
-	}
-	else {
-		BLI_join_dirfile(fname, sizeof(fname), BKE_tempdir_base(), BLI_path_basename(G.main->name));
-		BLI_replace_extension(fname, sizeof(fname), ".crash.txt");
-	}
-
-	printf("Writing: %s\n", fname);
-	fflush(stdout);
-
-#ifndef BUILD_DATE
-	BLI_snprintf(header, sizeof(header), "# " BLEND_VERSION_FMT ", Unknown revision\n", BLEND_VERSION_ARG);
-#else
-	BLI_snprintf(header, sizeof(header), "# " BLEND_VERSION_FMT ", Commit date: %s %s, Hash %s\n",
-	             BLEND_VERSION_ARG, build_commit_date, build_commit_time, build_hash);
-#endif
-
-	/* open the crash log */
-	errno = 0;
-	fp = BLI_fopen(fname, "wb");
-	if (fp == NULL) {
-		fprintf(stderr, "Unable to save '%s': %s\n",
-		        fname, errno ? strerror(errno) : "Unknown error opening file");
-	}
-	else {
-		if (wm) {
-			BKE_report_write_file_fp(fp, &wm->reports, header);
-		}
-
-		blender_crash_handler_backtrace(fp);
-
-		fclose(fp);
-	}
-
-	/* Delete content of temp dir! */
-	BKE_tempdir_session_purge();
-
-	/* really crash */
-	signal(signum, SIG_DFL);
-#ifndef WIN32
-	kill(getpid(), signum);
-#else
-	TerminateProcess(GetCurrentProcess(), signum);
-#endif
-}
-
-#ifdef WIN32
-LONG WINAPI windows_exception_handler(EXCEPTION_POINTERS *ExceptionInfo)
-{
-	switch (ExceptionInfo->ExceptionRecord->ExceptionCode) {
-		case EXCEPTION_ACCESS_VIOLATION:
-			fputs("Error: EXCEPTION_ACCESS_VIOLATION\n", stderr);
-			break;
-		case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
-			fputs("Error: EXCEPTION_ARRAY_BOUNDS_EXCEEDED\n", stderr);
-			break;
-		case EXCEPTION_BREAKPOINT:
-			fputs("Error: EXCEPTION_BREAKPOINT\n", stderr);
-			break;
-		case EXCEPTION_DATATYPE_MISALIGNMENT:
-			fputs("Error: EXCEPTION_DATATYPE_MISALIGNMENT\n", stderr);
-			break;
-		case EXCEPTION_FLT_DENORMAL_OPERAND:
-			fputs("Error: EXCEPTION_FLT_DENORMAL_OPERAND\n", stderr);
-			break;
-		case EXCEPTION_FLT_DIVIDE_BY_ZERO:
-			fputs("Error: EXCEPTION_FLT_DIVIDE_BY_ZERO\n", stderr);
-			break;
-		case EXCEPTION_FLT_INEXACT_RESULT:
-			fputs("Error: EXCEPTION_FLT_INEXACT_RESULT\n", stderr);
-			break;
-		case EXCEPTION_FLT_INVALID_OPERATION:
-			fputs("Error: EXCEPTION_FLT_INVALID_OPERATION\n", stderr);
-			break;
-		case EXCEPTION_FLT_OVERFLOW:
-			fputs("Error: EXCEPTION_FLT_OVERFLOW\n", stderr);
-			break;
-		case EXCEPTION_FLT_STACK_CHECK:
-			fputs("Error: EXCEPTION_FLT_STACK_CHECK\n", stderr);
-			break;
-		case EXCEPTION_FLT_UNDERFLOW:
-			fputs("Error: EXCEPTION_FLT_UNDERFLOW\n", stderr);
-			break;
-		case EXCEPTION_ILLEGAL_INSTRUCTION:
-			fputs("Error: EXCEPTION_ILLEGAL_INSTRUCTION\n", stderr);
-			break;
-		case EXCEPTION_IN_PAGE_ERROR:
-			fputs("Error: EXCEPTION_IN_PAGE_ERROR\n", stderr);
-			break;
-		case EXCEPTION_INT_DIVIDE_BY_ZERO:
-			fputs("Error: EXCEPTION_INT_DIVIDE_BY_ZERO\n", stderr);
-			break;
-		case EXCEPTION_INT_OVERFLOW:
-			fputs("Error: EXCEPTION_INT_OVERFLOW\n", stderr);
-			break;
-		case EXCEPTION_INVALID_DISPOSITION:
-			fputs("Error: EXCEPTION_INVALID_DISPOSITION\n", stderr);
-			break;
-		case EXCEPTION_NONCONTINUABLE_EXCEPTION:
-			fputs("Error: EXCEPTION_NONCONTINUABLE_EXCEPTION\n", stderr);
-			break;
-		case EXCEPTION_PRIV_INSTRUCTION:
-			fputs("Error: EXCEPTION_PRIV_INSTRUCTION\n", stderr);
-			break;
-		case EXCEPTION_SINGLE_STEP:
-			fputs("Error: EXCEPTION_SINGLE_STEP\n", stderr);
-			break;
-		case EXCEPTION_STACK_OVERFLOW:
-			fputs("Error: EXCEPTION_STACK_OVERFLOW\n", stderr);
-			break;
-		default:
-			fputs("Error: Unrecognized Exception\n", stderr);
-			break;
-	}
-
-	fflush(stderr);
-
-	/* If this is a stack overflow then we can't walk the stack, so just show
-	 * where the error happened */
-	if (EXCEPTION_STACK_OVERFLOW != ExceptionInfo->ExceptionRecord->ExceptionCode) {
-#ifdef NDEBUG
-		TerminateProcess(GetCurrentProcess(), SIGSEGV);
-#else
-		blender_crash_handler(SIGSEGV);
-#endif
-	}
-
-	return EXCEPTION_EXECUTE_HANDLER;
-}
-#endif
-
-
-static void blender_abort_handler(int UNUSED(signum))
-{
-	/* Delete content of temp dir! */
-	BKE_tempdir_session_purge();
-}
-
-static int set_factory_startup(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
-{
-	G.factory_startup = 1;
-	return 0;
-}
-
-static int set_env(int argc, const char **argv, void *UNUSED(data))
-{
-	/* "--env-system-scripts" --> "BLENDER_SYSTEM_SCRIPTS" */
-
-	char env[64] = "BLENDER";
-	char *ch_dst = env + 7; /* skip BLENDER */
-	const char *ch_src = argv[0] + 5; /* skip --env */
-
-	if (argc < 2) {
-		printf("%s requires one argument\n", argv[0]);
-		exit(1);
-	}
-
-	for (; *ch_src; ch_src++, ch_dst++) {
-		*ch_dst = (*ch_src == '-') ? '_' : (*ch_src) - 32; /* toupper() */
-	}
-
-	*ch_dst = '\0';
-	BLI_setenv(env, argv[1]);
-	return 1;
-}
-
-static int playback_mode(int argc, const char **argv, void *UNUSED(data))
-{
-	/* not if -b was given first */
-	if (G.background == 0) {
-#ifdef WITH_FFMPEG
-		/* Setup FFmpeg with current debug flags. */
-		IMB_ffmpeg_init();
-#endif
-
-		WM_main_playanim(argc, argv); /* not the same argc and argv as before */
-		exit(0); /* 2.4x didn't do this */
-	}
-
-	return -2;
-}
-
-static int prefsize(int argc, const char **argv, void *UNUSED(data))
-{
-	const char *arg_id = "-p / --window-geometry";
-	int params[4], i;
-
-	if (argc < 5) {
-		fprintf(stderr, "Error: requires four arguments '%s'\n", arg_id);
-		exit(1);
-	}
-
-	for (i = 0; i < 4; i++) {
-		const char *err_msg = NULL;
-		if (!parse_int(argv[i + 1], &params[i], &err_msg)) {
-			printf("\nError: %s '%s %s'.\n", err_msg, arg_id, argv[1]);
-			exit(1);
-		}
-	}
-
-	WM_init_state_size_set(UNPACK4(params));
-
-	return 4;
-}
-
-static int native_pixels(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
-{
-	WM_init_native_pixels(false);
-	return 0;
-}
-
-static int with_borders(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
-{
-	WM_init_state_normal_set();
-	return 0;
-}
-
-static int without_borders(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
-{
-	WM_init_state_fullscreen_set();
-	return 0;
-}
-
-extern bool wm_start_with_console; /* wm_init_exit.c */
-static int start_with_console(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
-{
-	wm_start_with_console = true;
-	return 0;
-}
-
-static int register_extension(int UNUSED(argc), const char **UNUSED(argv), void *data)
-{
-#ifdef WIN32
-	if (data)
-		G.background = 1;
-	RegisterBlendExtension();
-#else
-	(void)data; /* unused */
-#endif
-	return 0;
-}
-
-static int no_joystick(int UNUSED(argc), const char **UNUSED(argv), void *data)
-{
-#ifndef WITH_GAMEENGINE
-	(void)data;
-#else
-	SYS_SystemHandle *syshandle = data;
-
-	/**
-	 * don't initialize joysticks if user doesn't want to use joysticks
-	 * failed joystick initialization delays over 5 seconds, before game engine start
-	 */
-	SYS_WriteCommandLineInt(*syshandle, "nojoystick", 1);
-	if (G.debug & G_DEBUG) printf("disabling nojoystick\n");
-#endif
-
-	return 0;
-}
-
-static int no_glsl(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
-{
-	GPU_extensions_disable();
-	return 0;
-}
-
-static int no_audio(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
-{
-	BKE_sound_force_device("Null");
-	return 0;
-}
-
-static int set_audio(int argc, const char **argv, void *UNUSED(data))
-{
-	if (argc < 1) {
-		fprintf(stderr, "-setaudio require one argument\n");
-		exit(1);
-	}
-
-	BKE_sound_force_device(argv[1]);
-	return 1;
-}
-
-static int set_output(int argc, const char **argv, void *data)
-{
-	bContext *C = data;
-	if (argc > 1) {
-		Scene *scene = CTX_data_scene(C);
-		if (scene) {
-			BLI_strncpy(scene->r.pic, argv[1], sizeof(scene->r.pic));
-		}
-		else {
-			printf("\nError: no blend loaded. cannot use '-o / --render-output'.\n");
-		}
-		return 1;
-	}
-	else {
-		printf("\nError: you must specify a path after '-o  / --render-output'.\n");
-		return 0;
-	}
-}
-
-static int set_engine(int argc, const char **argv, void *data)
-{
-	bContext *C = data;
-	if (argc >= 2) {
-		if (STREQ(argv[1], "help")) {
-			RenderEngineType *type = NULL;
-			printf("Blender Engine Listing:\n");
-			for (type = R_engines.first; type; type = type->next) {
-				printf("\t%s\n", type->idname);
-			}
-			exit(0);
-		}
-		else {
-			Scene *scene = CTX_data_scene(C);
-			if (scene) {
-				RenderData *rd = &scene->r;
-
-				if (BLI_findstring(&R_engines, argv[1], offsetof(RenderEngineType, idname))) {
-					BLI_strncpy_utf8(rd->engine, argv[1], sizeof(rd->engine));
-				}
-				else {
-					printf("\nError: engine not found '%s'\n", argv[1]);
-					exit(1);
-				}
-			}
-			else {
-				printf("\nError: no blend loaded. order the arguments so '-E  / --engine ' is after a blend is loaded.\n");
-			}
-		}
-
-		return 1;
-	}
-	else {
-		printf("\nEngine not specified, give 'help' for a list of available engines.\n");
-		return 0;
-	}
-}
-
-static int set_image_type(int argc, const char **argv, void *data)
-{
-	bContext *C = data;
-	if (argc > 1) {
-		const char *imtype = argv[1];
-		Scene *scene = CTX_data_scene(C);
-		if (scene) {
-			const char imtype_new = BKE_imtype_from_arg(imtype);
-
-			if (imtype_new == R_IMF_IMTYPE_INVALID) {
-				printf("\nError: Format from '-F / --render-format' not known or not compiled in this release.\n");
-			}
-			else {
-				scene->r.im_format.imtype = imtype_new;
-			}
-		}
-		else {
-			printf("\nError: no blend loaded. order the arguments so '-F  / --render-format' is after the blend is loaded.\n");
-		}
-		return 1;
-	}
-	else {
-		printf("\nError: you must specify a format after '-F  / --render-foramt'.\n");
-		return 0;
-	}
-}
-
-static int set_threads(int argc, const char **argv, void *UNUSED(data))
-{
-	const char *arg_id = "-t / --threads";
-	const int min = 0, max = BLENDER_MAX_THREADS;
-	if (argc > 1) {
-		const char *err_msg = NULL;
-		int threads;
-		if (!parse_int_strict_range(argv[1], min, max, &threads, &err_msg)) {
-			printf("\nError: %s '%s %s', expected number in [%d..%d].\n", err_msg, arg_id, argv[1], min, max);
-			return 1;
-		}
-
-		BLI_system_num_threads_override_set(threads);
-		return 1;
-	}
-	else {
-		printf("\nError: you must specify a number of threads in [%d..%d] '%s'.\n", min, max, arg_id);
-		return 0;
-	}
-}
-
-static int depsgraph_use_new(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
-{
-	printf("Using new dependency graph.\n");
-	DEG_depsgraph_switch_to_new();
-	return 0;
-}
-
-static int set_verbosity(int argc, const char **argv, void *UNUSED(data))
-{
-	const char *arg_id = "--verbose";
-	if (argc > 1) {
-		const char *err_msg = NULL;
-		int level;
-		if (!parse_int(argv[1], &level, &err_msg)) {
-			printf("\nError: %s '%s %s'.\n", err_msg, arg_id, argv[1]);
-		}
-
-#ifdef WITH_LIBMV
-		libmv_setLoggingVerbosity(level);
-#elif defined(WITH_CYCLES_LOGGING)
-		CCL_logging_verbosity_set(level);
-#else
-		(void)level;
-#endif
-
-		return 1;
-	}
-	else {
-		printf("\nError: you must specify a verbosity level.\n");
-		return 0;
-	}
-}
-
-static int set_extension(int argc, const char **argv, void *data)
-{
-	bContext *C = data;
-	if (argc > 1) {
-		Scene *scene = CTX_data_scene(C);
-		if (scene) {
-			if (argv[1][0] == '0') {
-				scene->r.scemode &= ~R_EXTENSION;
-			}
-			else if (argv[1][0] == '1') {
-				scene->r.scemode |= R_EXTENSION;
-			}
-			else {
-				printf("\nError: Use '-x 1 / -x 0' To set the extension option or '--use-extension'\n");
-			}
-		}
-		else {
-			printf("\nError: no blend loaded. order the arguments so '-o ' is after '-x '.\n");
-		}
-		return 1;
-	}
-	else {
-		printf("\nError: you must specify a path after '- '.\n");
-		return 0;
-	}
-}
-
-static int set_ge_parameters(int argc, const char **argv, void *data)
-{
-	int a = 0;
-#ifdef WITH_GAMEENGINE
-	SYS_SystemHandle syshandle = *(SYS_SystemHandle *)data;
-#else
-	(void)data;
-#endif
-
-	/**
-	 * gameengine parameters are automatically put into system
-	 * -g [paramname = value]
-	 * -g [boolparamname]
-	 * example:
-	 * -g novertexarrays
-	 * -g maxvertexarraysize = 512
-	 */
-
-	if (argc >= 1) {
-		const char *paramname = argv[a];
-		/* check for single value versus assignment */
-		if (a + 1 < argc && (*(argv[a + 1]) == '=')) {
-			a++;
-			if (a + 1 < argc) {
-				a++;
-				/* assignment */
-#ifdef WITH_GAMEENGINE
-				SYS_WriteCommandLineString(syshandle, paramname, argv[a]);
-#endif
-			}
-			else {
-				printf("error: argument assignment (%s) without value.\n", paramname);
-				return 0;
-			}
-			/* name arg eaten */
-
-		}
-		else {
-#ifdef WITH_GAMEENGINE
-			SYS_WriteCommandLineInt(syshandle, argv[a], 1);
 #endif
-			/* doMipMap */
-			if (STREQ(argv[a], "nomipmap")) {
-				GPU_set_mipmap(0); //doMipMap = 0;
-			}
-			/* linearMipMap */
-			if (STREQ(argv[a], "linearmipmap")) {
-				GPU_set_mipmap(1);
-				GPU_set_linear_mipmap(1); //linearMipMap = 1;
-			}
-
-
-		} /* if (*(argv[a + 1]) == '=') */
-	}
-
-	return a;
-}
-
-static int render_frame(int argc, const char **argv, void *data)
-{
-	const char *arg_id = "-f / --render-frame";
-	bContext *C = data;
-	Scene *scene = CTX_data_scene(C);
-	if (scene) {
-		Main *bmain = CTX_data_main(C);
-
-		if (argc > 1) {
-			const char *err_msg = NULL;
-			Render *re;
-			int frame;
-			ReportList reports;
-
-			if (!parse_int_relative_clamp(
-			        argv[1], scene->r.sfra, scene->r.efra, MINAFRAME, MAXFRAME,
-			        &frame, &err_msg))
-			{
-				printf("\nError: %s '%s %s'.\n", err_msg, arg_id, argv[1]);
-				return 1;
-			}
-
-			re = RE_NewRender(scene->id.name);
-			BLI_begin_threaded_malloc();
-			BKE_reports_init(&reports, RPT_PRINT);
-
-			RE_SetReports(re, &reports);
-			RE_BlenderAnim(re, bmain, scene, NULL, scene->lay, frame, frame, scene->r.frame_step);
-			RE_SetReports(re, NULL);
-			BLI_end_threaded_malloc();
-			return 1;
-		}
-		else {
-			printf("\nError: frame number must follow '%s'.\n", arg_id);
-			return 0;
-		}
-	}
-	else {
-		printf("\nError: no blend loaded. cannot use '%s'.\n", arg_id);
-		return 0;
-	}
-}
-
-static int render_animation(int UNUSED(argc), const char **UNUSED(argv), void *data)
-{
-	bContext *C = data;
-	Scene *scene = CTX_data_scene(C);
-	if (scene) {
-		Main *bmain = CTX_data_main(C);
-		Render *re = RE_NewRender(scene->id.name);
-		ReportList reports;
-		BLI_begin_threaded_malloc();
-		BKE_reports_init(&reports, RPT_PRINT);
-		RE_SetReports(re, &reports);
-		RE_BlenderAnim(re, bmain, scene, NULL, scene->lay, scene->r.sfra, scene->r.efra, scene->r.frame_step);
-		RE_SetReports(re, NULL);
-		BLI_end_threaded_malloc();
-	}
-	else {
-		printf("\nError: no blend loaded. cannot use '-a'.\n");
-	}
-	return 0;
-}
-
-static int set_scene(int argc, const char **argv, void *data)
-{
-	if (argc > 1) {
-		bContext *C = data;
-		Scene *scene = BKE_scene_set_name(CTX_data_main(C), argv[1]);
-		if (scene) {
-			CTX_data_scene_set(C, scene);
-		}
-		return 1;
-	}
-	else {
-		printf("\nError: Scene name must follow '-S / --scene'.\n");
-		return 0;
-	}
-}
-
-static int set_start_frame(int argc, const char **argv, void *data)
-{
-	const char *arg_id = "-s / --frame-start";
-	bContext *C = data;
-	Scene *scene = CTX_data_scene(C);
-	if (scene) {
-		if (argc > 1) {
-			const char *err_msg = NULL;
-			if (!parse_int_relative_clamp(
-			        argv[1], scene->r.sfra, scene->r.sfra - 1, MINAFRAME, MAXFRAME,
-			        &scene->r.sfra, &err_msg))
-			{
-				printf("\nError: %s '%s %s'.\n", err_msg, arg_id, argv[1]);
-			}
-			return 1;
-		}
-		else {
-			printf("\nError: frame number must follow '%s'.\n", arg_id);
-			return 0;
-		}
-	}
-	else {
-		printf("\nError: no blend loaded. cannot use '%s'.\n", arg_id);
-		return 0;
-	}
-}
-
-static int set_end_frame(int argc, const char **argv, void *data)
-{
-	const char *arg_id = "-e / --frame-end";
-	bContext *C = data;
-	Scene *scene = CTX_data_scene(C);
-	if (scene) {
-		if (argc > 1) {
-			const char *err_msg = NULL;
-			if (!parse_int_relative_clamp(
-			        argv[1], scene->r.efra, scene->r.efra - 1, MINAFRAME, MAXFRAME,
-			        &scene->r.efra, &err_msg))
-			{
-				printf("\nError: %s '%s %s'.\n", err_msg, arg_id, argv[1]);
-			}
-			return 1;
-		}
-		else {
-			printf("\nError: frame number must follow '%s'.\n", arg_id);
-			return 0;
-		}
-	}
-	else {
-		printf("\nError: no blend loaded. cannot use '%s'.\n", arg_id);
-		return 0;
-	}
-}
 
-static int set_skip_frame(int argc, const char **argv, void *data)
-{
-	const char *arg_id = "-j / --frame-jump";
-	bContext *C = data;
-	Scene *scene = CTX_data_scene(C);
-	if (scene) {
-		if (argc > 1) {
-			const char *err_msg = NULL;
-			if (!parse_int_clamp(argv[1], 1, MAXFRAME, &scene->r.frame_step, &err_msg)) {
-				printf("\nError: %s '%s %s'.\n", err_msg, arg_id, argv[1]);
-			}
-			return 1;
-		}
-		else {
-			printf("\nError: number of frames to step must follow '%s'.\n", arg_id);
-			return 0;
-		}
+/* written to by 'creator_args.c' */
+struct ApplicationState app_state = {
+	.signal = {
+		.use_crash_handler = true,
+		.use_abort_handler = true,
+	},
+	.exit_code_on_error = {
+		.python = 0,
 	}
-	else {
-		printf("\nError: no blend loaded. cannot use '%s'.\n", arg_id);
-		return 0;
-	}
-}
-
+};
 
-#ifdef WITH_PYTHON
+/* -------------------------------------------------------------------- */
 
-/** \name Utilities Python Context Macro (#BPY_CTX_SETUP)
+/** \name Application Level Callbacks
+ *
+ * Initialize callbacks for the modules that need them.
+ *
  * \{ */
-struct BlendePyContextStore {
-	wmWindowManager *wm;
-	Scene *scene;
-	wmWindow *win;
-	bool has_win;
-};
 
-static void blender_py_context_backup(
-        bContext *C, struct BlendePyContextStore *c_py,
-        const char *script_id)
+static void callback_mem_error(const char *errorStr)
 {
-	c_py->wm = CTX_wm_manager(C);
-	c_py->scene = CTX_data_scene(C);
-	c_py->has_win = !BLI_listbase_is_empty(&c_py->wm->windows);
-	if (c_py->has_win) {
-		c_py->win = CTX_wm_window(C);
-		CTX_wm_window_set(C, c_py->wm->windows.first);
-	}
-	else {
-		c_py->win = NULL;
-		fprintf(stderr, "Python script \"%s\" "
-		        "running with missing context data.\n", script_id);
-	}
+	fputs(errorStr, stderr);
+	fflush(stderr);
 }
 
-static void blender_py_context_restore(
-        bContext *C, struct BlendePyContextStore *c_py)
+static void main_callback_setup(void)
 {
-	/* script may load a file, check old data is valid before using */
-	if (c_py->has_win) {
-		if ((c_py->win == NULL) ||
-		    ((BLI_findindex(&G.main->wm, c_py->wm) != -1) &&
-		     (BLI_findindex(&c_py->wm->windows, c_py->win) != -1)))
-		{
-			CTX_wm_window_set(C, c_py->win);
-		}
-	}
-
-	if ((c_py->scene == NULL) ||
-	    BLI_findindex(&G.main->scene, c_py->scene) != -1)
-	{
-		CTX_data_scene_set(C, c_py->scene);
-	}
+	/* Error output from the alloc routines: */
+	MEM_set_error_callback(callback_mem_error);
 }
 
-/* macro for context setup/reset */
-#define BPY_CTX_SETUP(_cmd) \
-	{ \
-		struct BlendePyContextStore py_c; \
-		blender_py_context_backup(C, &py_c, argv[1]); \
-		{ _cmd; } \
-		blender_py_context_restore(C, &py_c); \
-	} ((void)0)
-
-#endif /* WITH_PYTHON */
-
 /** \} */
 
 
-static int run_python_file(int argc, const char **argv, void *data)
-{
-#ifdef WITH_PYTHON
-	bContext *C = data;
-
-	/* workaround for scripts not getting a bpy.context.scene, causes internal errors elsewhere */
-	if (argc > 1) {
-		/* Make the path absolute because its needed for relative linked blends to be found */
-		char filename[FILE_MAX];
-		BLI_strncpy(filename, argv[1], sizeof(filename));
-		BLI_path_cwd(filename, sizeof(filename));
-
-		bool ok;
-		BPY_CTX_SETUP(ok = BPY_execute_filepath(C, filename, NULL));
-		if (!ok && python_exit_code_on_error) {
-			printf("\nError: script failed, file: '%s', exiting with code %d.\n", argv[1], python_exit_code_on_error);
-			exit(python_exit_code_on_error);
-		}
-		return 1;
-	}
-	else {
-		printf("\nError: you must specify a filepath after '%s'.\n", argv[0]);
-		return 0;
-	}
-#else
-	UNUSED_VARS(argc, argv, data);
-	printf("This blender was built without python support\n");
-	return 0;
-#endif /* WITH_PYTHON */
-}
-
-static int run_python_text(int argc, const char **argv, void *data)
-{
-#ifdef WITH_PYTHON
-	bContext *C = data;
-
-	/* workaround for scripts not getting a bpy.context.scene, causes internal errors elsewhere */
-	if (argc > 1) {
-		/* Make the path absolute because its needed for relative linked blends to be found */
-		struct Text *text = (struct Text *)BKE_libblock_find_name(ID_TXT, argv[1]);
-		bool ok;
-
-		if (text) {
-			BPY_CTX_SETUP(ok = BPY_execute_text(C, text, NULL, false));
-		}
-		else {
-			printf("\nError: text block not found %s.\n", argv[1]);
-			ok = false;
-		}
-
-		if (!ok && python_exit_code_on_error) {
-			printf("\nError: script failed, text: '%s', exiting.\n", argv[1]);
-			exit(python_exit_code_on_error);
-		}
-
-		return 1;
-	}
-	else {
-		printf("\nError: you must specify a text block after '%s'.\n", argv[0]);
-		return 0;
-	}
-#else
-	UNUSED_VARS(argc, argv, data);
-	printf("This blender was built without python support\n");
-	return 0;
-#endif /* WITH_PYTHON */
-}
-
-static int run_python_expr(int argc, const char **argv, void *data)
-{
-#ifdef WITH_PYTHON
-	bContext *C = data;
-
-	/* workaround for scripts not getting a bpy.context.scene, causes internal errors elsewhere */
-	if (argc > 1) {
-		bool ok;
-		BPY_CTX_SETUP(ok = BPY_execute_string_ex(C, argv[1], false));
-		if (!ok && python_exit_code_on_error) {
-			printf("\nError: script failed, expr: '%s', exiting.\n", argv[1]);
-			exit(python_exit_code_on_error);
-		}
-		return 1;
-	}
-	else {
-		printf("\nError: you must specify a Python expression after '%s'.\n", argv[0]);
-		return 0;
-	}
-#else
-	UNUSED_VARS(argc, argv, data);
-	printf("This blender was built without python support\n");
-	return 0;
-#endif /* WITH_PYTHON */
-}
-
-static int run_python_console(int UNUSED(argc), const char **argv, void *data)
-{
-#ifdef WITH_PYTHON
-	bContext *C = data;
-
-	BPY_CTX_SETUP(BPY_execute_string(C, "__import__('code').interact()"));
-
-	return 0;
-#else
-	UNUSED_VARS(argv, data);
-	printf("This blender was built without python support\n");
-	return 0;
-#endif /* WITH_PYTHON */
-}
-
-static int set_python_exit_code(int argc, const char **argv, void *UNUSED(data))
-{
-	const char *arg_id = "--python-exit-code";
-	if (argc > 1) {
-		const char *err_msg = NULL;
-		const int min = 0, max = 255;
-		int exit_code;
-		if (!parse_int_strict_range(argv[1], min, max, &exit_code, &err_msg)) {
-			printf("\nError: %s '%s %s', expected number in [%d..%d].\n", err_msg, arg_id, argv[1], min, max);
-			return 1;
-		}
-
-		python_exit_code_on_error = (unsigned char)exit_code;
-		return 1;
-	}
-	else {
-		printf("\nError: you must specify an exit code number '%s'.\n", arg_id);
-		return 0;
-	}
-}
-
-static int set_addons(int argc, const char **argv, void *data)
-{
-	/* workaround for scripts not getting a bpy.context.scene, causes internal errors elsewhere */
-	if (argc > 1) {
-#ifdef WITH_PYTHON
-		const char script_str[] =
-		        "from addon_utils import check, enable\n"
-		        "for m in '%s'.split(','):\n"
-		        "    if check(m)[1] is False:\n"
-		        "        enable(m, persistent=True)";
-		const int slen = strlen(argv[1]) + (sizeof(script_str) - 2);
-		char *str = malloc(slen);
-		bContext *C = data;
-		BLI_snprintf(str, slen, script_str, argv[1]);
-
-		BLI_assert(strlen(str) + 1 == slen);
-		BPY_CTX_SETUP(BPY_execute_string_ex(C, str, false));
-		free(str);
-#else
-		UNUSED_VARS(argv, data);
-#endif /* WITH_PYTHON */
-		return 1;
-	}
-	else {
-		printf("\nError: you must specify a comma separated list after '--addons'.\n");
-		return 0;
-	}
-}
-
-static int load_file(int UNUSED(argc), const char **argv, void *data)
-{
-	bContext *C = data;
-	ReportList reports;
-	bool success;
-
-	/* Make the path absolute because its needed for relative linked blends to be found */
-	char filename[FILE_MAX];
-
-	/* note, we could skip these, but so far we always tried to load these files */
-	if (argv[0][0] == '-') {
-		fprintf(stderr, "unknown argument, loading as file: %s\n", argv[0]);
-	}
-
-	BLI_strncpy(filename, argv[0], sizeof(filename));
-	BLI_path_cwd(filename, sizeof(filename));
-
-	/* load the file */
-	BKE_reports_init(&reports, RPT_PRINT);
-	WM_file_autoexec_init(filename);
-	success = WM_file_read(C, filename, &reports);
-	BKE_reports_clear(&reports);
 
-	if (success) {
-		if (G.background) {
-			/* ensuer we use 'C->data.scene' for background render */
-			CTX_wm_window_set(C, NULL);
-		}
-	}
-	else {
-		/* failed to load file, stop processing arguments if running in background mode */
-		if (G.background) {
-			/* Set is_break if running in the background mode so
-			 * blender will return non-zero exit code which then
-			 * could be used in automated script to control how
-			 * good or bad things are.
-			 */
-			G.is_break = true;
-			return -1;
-		}
+/* -------------------------------------------------------------------- */
 
-		/* Just pretend a file was loaded, so the user can press Save and it'll save at the filename from the CLI. */
-		BLI_strncpy(G.main->name, filename, FILE_MAX);
-		G.relbase_valid = true;
-		G.save_over = true;
-		printf("... opened default scene instead; saving will write to %s\n", filename);
-	}
-
-	G.file_loaded = 1;
-
-	return 0;
-}
-
-static void setupArguments(bContext *C, bArgs *ba, SYS_SystemHandle *syshandle)
-{
-	static char output_doc[] = "<path>"
-		"\n\tSet the render path and file name."
-		"\n\tUse '//' at the start of the path to render relative to the blend file."
-		"\n"
-		"\n\tThe '#' characters are replaced by the frame number, and used to define zero padding."
-		"\n\t* 'ani_##_test.png' becomes 'ani_01_test.png'"
-		"\n\t* 'test-######.png' becomes 'test-000001.png'"
-		"\n"
-		"\n\tWhen the filename does not contain '#', The suffix '####' is added to the filename."
-		"\n"
-		"\n\tThe frame number will be added at the end of the filename, eg:"
-		"\n\t# blender -b foobar.blend -o //render_ -F PNG -x 1 -a"
-		"\n\t'//render_' becomes '//render_####', writing frames as '//render_0001.png'";
-
-	static char format_doc[] = "<format>"
-		"\n\tSet the render format, Valid options are..."
-		"\n\t\tTGA IRIS JPEG MOVIE IRIZ RAWTGA"
-		"\n\t\tAVIRAW AVIJPEG PNG BMP FRAMESERVER"
-		"\n\t(formats that can be compiled into blender, not available on all systems)"
-		"\n\t\tHDR TIFF EXR MULTILAYER MPEG AVICODEC QUICKTIME CINEON DPX DDS";
-
-	static char playback_doc[] = "<options> <file(s)>"
-		"\n\tPlayback <file(s)>, only operates this way when not running in background."
-		"\n\t\t-p <sx> <sy>\tOpen with lower left corner at <sx>, <sy>"
-		"\n\t\t-m\t\tRead from disk (Don't buffer)"
-		"\n\t\t-f <fps> <fps-base>\t\tSpecify FPS to start with"
-		"\n\t\t-j <frame>\tSet frame step to <frame>"
-		"\n\t\t-s <frame>\tPlay from <frame>"
-		"\n\t\t-e <frame>\tPlay until <frame>";
-
-	static char game_doc[] = "Game Engine specific options"
-		"\n\t-g fixedtime\t\tRun on 50 hertz without dropping frames"
-		"\n\t-g vertexarrays\t\tUse Vertex Arrays for rendering (usually faster)"
-		"\n\t-g nomipmap\t\tNo Texture Mipmapping"
-		"\n\t-g linearmipmap\t\tLinear Texture Mipmapping instead of Nearest (default)";
-
-	static char debug_doc[] = "\n\tTurn debugging on\n"
-		"\n\t* Enables memory error detection"
-		"\n\t* Disables mouse grab (to interact with a debugger in some cases)"
-		"\n\t* Keeps Python's 'sys.stdin' rather than setting it to None";
-
-	//BLI_argsAdd(ba, pass, short_arg, long_arg, doc, cb, C);
-
-	/* end argument processing after -- */
-	BLI_argsAdd(ba, -1, "--", NULL, "\n\tEnds option processing, following arguments passed unchanged. Access via Python's 'sys.argv'", end_arguments, NULL);
-
-	/* first pass: background mode, disable python and commands that exit after usage */
-	BLI_argsAdd(ba, 1, "-h", "--help", "\n\tPrint this help text and exit", print_help, ba);
-	/* Windows only */
-	BLI_argsAdd(ba, 1, "/?", NULL, "\n\tPrint this help text and exit (windows only)", print_help, ba);
-
-	BLI_argsAdd(ba, 1, "-v", "--version", "\n\tPrint Blender version and exit", print_version, NULL);
-	
-	/* only to give help message */
-#ifndef WITH_PYTHON_SECURITY /* default */
-#  define   PY_ENABLE_AUTO ", (default)"
-#  define   PY_DISABLE_AUTO ""
-#else
-#  define   PY_ENABLE_AUTO ""
-#  define   PY_DISABLE_AUTO ", (compiled as non-standard default)"
-#endif
-
-	BLI_argsAdd(ba, 1, "-y", "--enable-autoexec", "\n\tEnable automatic Python script execution" PY_ENABLE_AUTO, enable_python, NULL);
-	BLI_argsAdd(ba, 1, "-Y", "--disable-autoexec", "\n\tDisable automatic Python script execution (pydrivers & startup scripts)" PY_DISABLE_AUTO, disable_python, NULL);
-
-	BLI_argsAdd(ba, 1, NULL, "--disable-crash-handler", "\n\tDisable the crash handler", disable_crash_handler, NULL);
-	BLI_argsAdd(ba, 1, NULL, "--disable-abort-handler", "\n\tDisable the abort handler", disable_abort_handler, NULL);
-
-#undef PY_ENABLE_AUTO
-#undef PY_DISABLE_AUTO
-	
-	BLI_argsAdd(ba, 1, "-b", "--background", "\n\tRun in background (often used for UI-less rendering)", background_mode, NULL);
-
-	BLI_argsAdd(ba, 1, "-a", NULL, playback_doc, playback_mode, NULL);
-
-	BLI_argsAdd(ba, 1, "-d", "--debug", debug_doc, debug_mode, ba);
-
-#ifdef WITH_FFMPEG
-	BLI_argsAdd(ba, 1, NULL, "--debug-ffmpeg", "\n\tEnable debug messages from FFmpeg library", debug_mode_generic, (void *)G_DEBUG_FFMPEG);
-#endif
-
-#ifdef WITH_FREESTYLE
-	BLI_argsAdd(ba, 1, NULL, "--debug-freestyle", "\n\tEnable debug/profiling messages from Freestyle rendering", debug_mode_generic, (void *)G_DEBUG_FREESTYLE);
-#endif
-
-	BLI_argsAdd(ba, 1, NULL, "--debug-python", "\n\tEnable debug messages for Python", debug_mode_generic, (void *)G_DEBUG_PYTHON);
-	BLI_argsAdd(ba, 1, NULL, "--debug-events", "\n\tEnable debug messages for the event system", debug_mode_generic, (void *)G_DEBUG_EVENTS);
-	BLI_argsAdd(ba, 1, NULL, "--debug-handlers", "\n\tEnable debug messages for event handling", debug_mode_generic, (void *)G_DEBUG_HANDLERS);
-	BLI_argsAdd(ba, 1, NULL, "--debug-wm",     "\n\tEnable debug messages for the window manager, also prints every operator call", debug_mode_generic, (void *)G_DEBUG_WM);
-	BLI_argsAdd(ba, 1, NULL, "--debug-all",    "\n\tEnable all debug messages (excludes libmv)", debug_mode_generic, (void *)G_DEBUG_ALL);
-
-	BLI_argsAdd(ba, 1, NULL, "--debug-fpe", "\n\tEnable floating point exceptions", set_fpe, NULL);
-
-#ifdef WITH_LIBMV
-	BLI_argsAdd(ba, 1, NULL, "--debug-libmv", "\n\tEnable debug messages from libmv library", debug_mode_libmv, NULL);
-#endif
-#ifdef WITH_CYCLES_LOGGING
-	BLI_argsAdd(ba, 1, NULL, "--debug-cycles", "\n\tEnable debug messages from Cycles", debug_mode_cycles, NULL);
-#endif
-	BLI_argsAdd(ba, 1, NULL, "--debug-memory", "\n\tEnable fully guarded memory allocation and debugging", debug_mode_memory, NULL);
-
-	BLI_argsAdd(ba, 1, NULL, "--debug-value", "<value>\n\tSet debug value of <value> on startup\n", set_debug_value, NULL);
-	BLI_argsAdd(ba, 1, NULL, "--debug-jobs",  "\n\tEnable time profiling for background jobs.", debug_mode_generic, (void *)G_DEBUG_JOBS);
-	BLI_argsAdd(ba, 1, NULL, "--debug-gpu",  "\n\tEnable gpu debug context and information for OpenGL 4.3+.", debug_mode_generic, (void *)G_DEBUG_GPU);
-	BLI_argsAdd(ba, 1, NULL, "--debug-depsgraph", "\n\tEnable debug messages from dependency graph", debug_mode_generic, (void *)G_DEBUG_DEPSGRAPH);
-	BLI_argsAdd(ba, 1, NULL, "--debug-depsgraph-no-threads", "\n\tSwitch dependency graph to a single threaded evaluation", debug_mode_generic, (void *)G_DEBUG_DEPSGRAPH_NO_THREADS);
-	BLI_argsAdd(ba, 1, NULL, "--debug-gpumem", "\n\tEnable GPU memory stats in status bar", debug_mode_generic, (void *)G_DEBUG_GPU_MEM);
-
-	BLI_argsAdd(ba, 1, NULL, "--enable-new-depsgraph", "\n\tUse new dependency graph", depsgraph_use_new, NULL);
-
-	BLI_argsAdd(ba, 1, NULL, "--verbose", "<verbose>\n\tSet logging verbosity level.", set_verbosity, NULL);
-
-	BLI_argsAdd(ba, 1, NULL, "--factory-startup", "\n\tSkip reading the " STRINGIFY(BLENDER_STARTUP_FILE) " in the users home directory", set_factory_startup, NULL);
-
-	/* TODO, add user env vars? */
-	BLI_argsAdd(ba, 1, NULL, "--env-system-datafiles",  "\n\tSet the "STRINGIFY_ARG (BLENDER_SYSTEM_DATAFILES)" environment variable", set_env, NULL);
-	BLI_argsAdd(ba, 1, NULL, "--env-system-scripts",    "\n\tSet the "STRINGIFY_ARG (BLENDER_SYSTEM_SCRIPTS)" environment variable", set_env, NULL);
-	BLI_argsAdd(ba, 1, NULL, "--env-system-python",     "\n\tSet the "STRINGIFY_ARG (BLENDER_SYSTEM_PYTHON)" environment variable", set_env, NULL);
-
-	/* second pass: custom window stuff */
-	BLI_argsAdd(ba, 2, "-p", "--window-geometry", "<sx> <sy> <w> <h>\n\tOpen with lower left corner at <sx>, <sy> and width and height as <w>, <h>", prefsize, NULL);
-	BLI_argsAdd(ba, 2, "-w", "--window-border", "\n\tForce opening with borders (default)", with_borders, NULL);
-	BLI_argsAdd(ba, 2, "-W", "--window-borderless", "\n\tForce opening without borders", without_borders, NULL);
-	BLI_argsAdd(ba, 2, "-con", "--start-console", "\n\tStart with the console window open (ignored if -b is set), (Windows only)", start_with_console, NULL);
-	BLI_argsAdd(ba, 2, "-R", NULL, "\n\tRegister .blend extension, then exit (Windows only)", register_extension, NULL);
-	BLI_argsAdd(ba, 2, "-r", NULL, "\n\tSilently register .blend extension, then exit (Windows only)", register_extension, ba);
-	BLI_argsAdd(ba, 2, NULL, "--no-native-pixels", "\n\tDo not use native pixel size, for high resolution displays (MacBook 'Retina')", native_pixels, ba);
-
-	/* third pass: disabling things and forcing settings */
-	BLI_argsAddCase(ba, 3, "-nojoystick", 1, NULL, 0, "\n\tDisable joystick support", no_joystick, syshandle);
-	BLI_argsAddCase(ba, 3, "-noglsl", 1, NULL, 0, "\n\tDisable GLSL shading", no_glsl, NULL);
-	BLI_argsAddCase(ba, 3, "-noaudio", 1, NULL, 0, "\n\tForce sound system to None", no_audio, NULL);
-	BLI_argsAddCase(ba, 3, "-setaudio", 1, NULL, 0, "\n\tForce sound system to a specific device\n\tNULL SDL OPENAL JACK", set_audio, NULL);
-
-	/* fourth pass: processing arguments */
-	BLI_argsAdd(ba, 4, "-g", NULL, game_doc, set_ge_parameters, syshandle);
-	BLI_argsAdd(ba, 4, "-f", "--render-frame", "<frame>\n\tRender frame <frame> and save it.\n\t+<frame> start frame relative, -<frame> end frame relative.", render_frame, C);
-	BLI_argsAdd(ba, 4, "-a", "--render-anim", "\n\tRender frames from start to end (inclusive)", render_animation, C);
-	BLI_argsAdd(ba, 4, "-S", "--scene", "<name>\n\tSet the active scene <name> for rendering", set_scene, C);
-	BLI_argsAdd(ba, 4, "-s", "--frame-start", "<frame>\n\tSet start to frame <frame>, supports +/- for relative frames too.", set_start_frame, C);
-	BLI_argsAdd(ba, 4, "-e", "--frame-end", "<frame>\n\tSet end to frame <frame>, supports +/- for relative frames too.", set_end_frame, C);
-	BLI_argsAdd(ba, 4, "-j", "--frame-jump", "<frames>\n\tSet number of frames to step forward after each rendered frame", set_skip_frame, C);
-	BLI_argsAdd(ba, 4, "-P", "--python", "<filename>\n\tRun the given Python script file", run_python_file, C);
-	BLI_argsAdd(ba, 4, NULL, "--python-text", "<name>\n\tRun the given Python script text block", run_python_text, C);
-	BLI_argsAdd(ba, 4, NULL, "--python-expr", "<expression>\n\tRun the given expression as a Python script", run_python_expr, C);
-	BLI_argsAdd(ba, 4, NULL, "--python-console", "\n\tRun blender with an interactive console", run_python_console, C);
-	BLI_argsAdd(ba, 4, NULL, "--python-exit-code", "\n\tSet the exit-code in [0..255] to exit if a Python exception is raised (only for scripts executed from the command line), zero disables.", set_python_exit_code, NULL);
-	BLI_argsAdd(ba, 4, NULL, "--addons", "\n\tComma separated list of addons (no spaces)", set_addons, C);
-
-	BLI_argsAdd(ba, 4, "-o", "--render-output", output_doc, set_output, C);
-	BLI_argsAdd(ba, 4, "-E", "--engine", "<engine>\n\tSpecify the render engine\n\tuse -E help to list available engines", set_engine, C);
-
-	BLI_argsAdd(ba, 4, "-F", "--render-format", format_doc, set_image_type, C);
-	BLI_argsAdd(ba, 4, "-t", "--threads", "<threads>\n\tUse amount of <threads> for rendering and other operations\n\t[1-" STRINGIFY(BLENDER_MAX_THREADS) "], 0 for systems processor count.", set_threads, NULL);
-	BLI_argsAdd(ba, 4, "-x", "--use-extension", "<bool>\n\tSet option to add the file extension to the end of the file", set_extension, C);
-
-}
-#endif /* WITH_PYTHON_MODULE */
+/** \name Main Function
+ * \{ */
 
 #ifdef WITH_PYTHON_MODULE
 /* allow python module to call main */
@@ -1898,7 +287,7 @@ int main(
 	CCL_init_logging(argv[0]);
 #endif
 
-	setCallbacks();
+	main_callback_setup();
 	
 #if defined(__APPLE__) && !defined(WITH_PYTHON_MODULE)
 	/* patch to ignore argument finder gives us (pid?) */
@@ -1946,22 +335,11 @@ int main(
 	/* first test for background */
 #ifndef WITH_PYTHON_MODULE
 	ba = BLI_argsInit(argc, (const char **)argv); /* skip binary path */
-	setupArguments(C, ba, &syshandle);
+	main_args_setup(C, ba, &syshandle);
 
 	BLI_argsParse(ba, 1, NULL, NULL);
 
-	if (use_crash_handler) {
-#ifdef WIN32
-		SetUnhandledExceptionFilter(windows_exception_handler);
-#else
-		/* after parsing args */
-		signal(SIGSEGV, blender_crash_handler);
-#endif
-	}
-
-	if (use_abort_handler) {
-		signal(SIGABRT, blender_abort_handler);
-	}
+	main_signal_setup();
 
 #else
 	G.factory_startup = true;  /* using preferences or user startup makes no sense for py-as-module */
@@ -1984,9 +362,8 @@ int main(
 #if defined(WITH_PYTHON_MODULE) || defined(WITH_HEADLESS)
 	G.background = true; /* python module mode ALWAYS runs in background mode (for now) */
 #else
-	/* for all platforms, even windos has it! */
 	if (G.background) {
-		signal(SIGINT, blender_esc);  /* ctrl c out bg render */
+		main_signal_setup_background();
 	}
 #endif
 
@@ -2044,7 +421,7 @@ int main(
 
 	/* OK we are ready for it */
 #ifndef WITH_PYTHON_MODULE
-	BLI_argsParse(ba, 4, load_file, C);
+	main_args_setup_post(C, ba);
 	
 	if (G.background == 0) {
 		if (!G.file_loaded)
@@ -2107,14 +484,4 @@ void main_python_exit(void)
 }
 #endif
 
-static void mem_error_cb(const char *errorStr)
-{
-	fputs(errorStr, stderr);
-	fflush(stderr);
-}
-
-static void setCallbacks(void)
-{
-	/* Error output from the alloc routines: */
-	MEM_set_error_callback(mem_error_cb);
-}
+/** \} */
diff --git a/source/creator/creator_args.c b/source/creator/creator_args.c
new file mode 100644
index 00000000000..c70f275d540
--- /dev/null
+++ b/source/creator/creator_args.c
@@ -0,0 +1,1672 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file creator/creator_args.c
+ *  \ingroup creator
+ */
+
+#ifndef WITH_PYTHON_MODULE
+
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include "MEM_guardedalloc.h"
+
+#ifdef WIN32
+#  include "BLI_winstuff.h"
+#endif
+
+#include "BLI_args.h"
+#include "BLI_threads.h"
+#include "BLI_utildefines.h"
+#include "BLI_listbase.h"
+#include "BLI_string.h"
+#include "BLI_string_utf8.h"
+#include "BLI_path_util.h"
+#include "BLI_fileops.h"
+#include "BLI_mempool.h"
+
+#include "BKE_blender.h"
+#include "BKE_context.h"
+
+#include "BKE_global.h"
+#include "BKE_library.h"
+#include "BKE_main.h"
+#include "BKE_scene.h"
+#include "BKE_report.h"
+#include "BKE_sound.h"
+#include "BKE_image.h"
+
+#include "DEG_depsgraph.h"
+
+#ifdef WITH_FFMPEG
+#include "IMB_imbuf.h"
+#endif
+
+#ifdef WITH_PYTHON
+#include "BPY_extern.h"
+#endif
+
+#include "RE_engine.h"
+#include "RE_pipeline.h"
+
+#include "ED_datafiles.h"
+
+#include "WM_api.h"
+
+#include "GPU_draw.h"
+#include "GPU_extensions.h"
+
+/* for passing information between creator and gameengine */
+#ifdef WITH_GAMEENGINE
+#  include "BL_System.h"
+#else /* dummy */
+#  define SYS_SystemHandle int
+#endif
+
+#ifdef WITH_LIBMV
+#  include "libmv-capi.h"
+#endif
+
+#ifdef WITH_CYCLES_LOGGING
+#  include "CCL_api.h"
+#endif
+
+#include "creator_intern.h"  /* own include */
+
+
+/* -------------------------------------------------------------------- */
+
+/** \name Utility String Parsing
+ * \{ */
+
+static bool parse_int_relative(
+        const char *str, int pos, int neg,
+        int *r_value, const char **r_err_msg)
+{
+	char *str_end = NULL;
+	long value;
+
+	errno = 0;
+
+	switch (*str) {
+		case '+':
+			value = pos + strtol(str + 1, &str_end, 10);
+			break;
+		case '-':
+			value = (neg - strtol(str + 1, &str_end, 10)) + 1;
+			break;
+		default:
+			value = strtol(str, &str_end, 10);
+			break;
+	}
+
+
+	if (*str_end != '\0') {
+		static const char *msg = "not a number";
+		*r_err_msg = msg;
+		return false;
+	}
+	else if ((errno == ERANGE) || ((value < INT_MIN || value > INT_MAX))) {
+		static const char *msg = "exceeds range";
+		*r_err_msg = msg;
+		return false;
+	}
+	else {
+		*r_value = (int)value;
+		return true;
+	}
+}
+
+static bool parse_int_relative_clamp(
+        const char *str, int pos, int neg, int min, int max,
+        int *r_value, const char **r_err_msg)
+{
+	if (parse_int_relative(str, pos, neg, r_value, r_err_msg)) {
+		CLAMP(*r_value, min, max);
+		return true;
+	}
+	else {
+		return false;
+	}
+}
+
+/**
+ * No clamping, fails with any number outside the range.
+ */
+static bool parse_int_strict_range(
+        const char *str, const int min, const int max,
+        int *r_value, const char **r_err_msg)
+{
+	char *str_end = NULL;
+	long value;
+
+	errno = 0;
+	value = strtol(str, &str_end, 10);
+
+	if (*str_end != '\0') {
+		static const char *msg = "not a number";
+		*r_err_msg = msg;
+		return false;
+	}
+	else if ((errno == ERANGE) || ((value < min || value > max))) {
+		static const char *msg = "exceeds range";
+		*r_err_msg = msg;
+		return false;
+	}
+	else {
+		*r_value = (int)value;
+		return true;
+	}
+}
+
+static bool parse_int(
+        const char *str,
+        int *r_value, const char **r_err_msg)
+{
+	return parse_int_strict_range(str, INT_MIN, INT_MAX, r_value, r_err_msg);
+}
+
+static bool parse_int_clamp(
+        const char *str, int min, int max,
+        int *r_value, const char **r_err_msg)
+{
+	if (parse_int(str, r_value, r_err_msg)) {
+		CLAMP(*r_value, min, max);
+		return true;
+	}
+	else {
+		return false;
+	}
+}
+
+/** \} */
+
+
+/* -------------------------------------------------------------------- */
+
+#ifdef WITH_PYTHON
+
+/** \name Utilities Python Context Macro (#BPY_CTX_SETUP)
+ * \{ */
+struct BlendePyContextStore {
+	wmWindowManager *wm;
+	Scene *scene;
+	wmWindow *win;
+	bool has_win;
+};
+
+static void arg_py_context_backup(
+        bContext *C, struct BlendePyContextStore *c_py,
+        const char *script_id)
+{
+	c_py->wm = CTX_wm_manager(C);
+	c_py->scene = CTX_data_scene(C);
+	c_py->has_win = !BLI_listbase_is_empty(&c_py->wm->windows);
+	if (c_py->has_win) {
+		c_py->win = CTX_wm_window(C);
+		CTX_wm_window_set(C, c_py->wm->windows.first);
+	}
+	else {
+		c_py->win = NULL;
+		fprintf(stderr, "Python script \"%s\" "
+		        "running with missing context data.\n", script_id);
+	}
+}
+
+static void arg_py_context_restore(
+        bContext *C, struct BlendePyContextStore *c_py)
+{
+	/* script may load a file, check old data is valid before using */
+	if (c_py->has_win) {
+		if ((c_py->win == NULL) ||
+		    ((BLI_findindex(&G.main->wm, c_py->wm) != -1) &&
+		     (BLI_findindex(&c_py->wm->windows, c_py->win) != -1)))
+		{
+			CTX_wm_window_set(C, c_py->win);
+		}
+	}
+
+	if ((c_py->scene == NULL) ||
+	    BLI_findindex(&G.main->scene, c_py->scene) != -1)
+	{
+		CTX_data_scene_set(C, c_py->scene);
+	}
+}
+
+/* macro for context setup/reset */
+#define BPY_CTX_SETUP(_cmd) \
+	{ \
+		struct BlendePyContextStore py_c; \
+		arg_py_context_backup(C, &py_c, argv[1]); \
+		{ _cmd; } \
+		arg_py_context_restore(C, &py_c); \
+	} ((void)0)
+
+#endif /* WITH_PYTHON */
+
+/** \} */
+
+
+/* -------------------------------------------------------------------- */
+
+/** \name Handle Argument Callbacks
+ * \{ */
+
+static const char arg_handle_print_version_doc[] =
+"\n\tPrint Blender version and exit"
+;
+static int arg_handle_print_version(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
+{
+	printf(BLEND_VERSION_STRING_FMT);
+#ifdef BUILD_DATE
+	printf("\tbuild date: %s\n", build_date);
+	printf("\tbuild time: %s\n", build_time);
+	printf("\tbuild commit date: %s\n", build_commit_date);
+	printf("\tbuild commit time: %s\n", build_commit_time);
+	printf("\tbuild hash: %s\n", build_hash);
+	printf("\tbuild platform: %s\n", build_platform);
+	printf("\tbuild type: %s\n", build_type);
+	printf("\tbuild c flags: %s\n", build_cflags);
+	printf("\tbuild c++ flags: %s\n", build_cxxflags);
+	printf("\tbuild link flags: %s\n", build_linkflags);
+	printf("\tbuild system: %s\n", build_system);
+#endif
+	exit(0);
+
+	return 0;
+}
+
+static const char arg_handle_print_help_doc[] =
+"\n\tPrint this help text and exit"
+;
+static const char arg_handle_print_help_doc_win32[] =
+"\n\tPrint this help text and exit (windows only)"
+;
+static int arg_handle_print_help(int UNUSED(argc), const char **UNUSED(argv), void *data)
+{
+	bArgs *ba = (bArgs *)data;
+
+	printf(BLEND_VERSION_STRING_FMT);
+	printf("Usage: blender [args ...] [file] [args ...]\n\n");
+
+	printf("Render Options:\n");
+	BLI_argsPrintArgDoc(ba, "--background");
+	BLI_argsPrintArgDoc(ba, "--render-anim");
+	BLI_argsPrintArgDoc(ba, "--scene");
+	BLI_argsPrintArgDoc(ba, "--render-frame");
+	BLI_argsPrintArgDoc(ba, "--frame-start");
+	BLI_argsPrintArgDoc(ba, "--frame-end");
+	BLI_argsPrintArgDoc(ba, "--frame-jump");
+	BLI_argsPrintArgDoc(ba, "--render-output");
+	BLI_argsPrintArgDoc(ba, "--engine");
+	BLI_argsPrintArgDoc(ba, "--threads");
+
+	printf("\n");
+	printf("Format Options:\n");
+	BLI_argsPrintArgDoc(ba, "--render-format");
+	BLI_argsPrintArgDoc(ba, "--use-extension");
+
+	printf("\n");
+	printf("Animation Playback Options:\n");
+	BLI_argsPrintArgDoc(ba, "-a");
+
+	printf("\n");
+	printf("Window Options:\n");
+	BLI_argsPrintArgDoc(ba, "--window-border");
+	BLI_argsPrintArgDoc(ba, "--window-borderless");
+	BLI_argsPrintArgDoc(ba, "--window-geometry");
+	BLI_argsPrintArgDoc(ba, "--start-console");
+	BLI_argsPrintArgDoc(ba, "--no-native-pixels");
+
+
+	printf("\n");
+	printf("Game Engine Specific Options:\n");
+	BLI_argsPrintArgDoc(ba, "-g");
+
+	printf("\n");
+	printf("Python Options:\n");
+	BLI_argsPrintArgDoc(ba, "--enable-autoexec");
+	BLI_argsPrintArgDoc(ba, "--disable-autoexec");
+
+	printf("\n");
+
+	BLI_argsPrintArgDoc(ba, "--python");
+	BLI_argsPrintArgDoc(ba, "--python-text");
+	BLI_argsPrintArgDoc(ba, "--python-expr");
+	BLI_argsPrintArgDoc(ba, "--python-console");
+	BLI_argsPrintArgDoc(ba, "--python-exit-code");
+	BLI_argsPrintArgDoc(ba, "--addons");
+
+
+	printf("\n");
+	printf("Debug Options:\n");
+	BLI_argsPrintArgDoc(ba, "--debug");
+	BLI_argsPrintArgDoc(ba, "--debug-value");
+
+	printf("\n");
+	BLI_argsPrintArgDoc(ba, "--debug-events");
+#ifdef WITH_FFMPEG
+	BLI_argsPrintArgDoc(ba, "--debug-ffmpeg");
+#endif
+	BLI_argsPrintArgDoc(ba, "--debug-handlers");
+#ifdef WITH_LIBMV
+	BLI_argsPrintArgDoc(ba, "--debug-libmv");
+#endif
+#ifdef WITH_CYCLES_LOGGING
+	BLI_argsPrintArgDoc(ba, "--debug-cycles");
+#endif
+	BLI_argsPrintArgDoc(ba, "--debug-memory");
+	BLI_argsPrintArgDoc(ba, "--debug-jobs");
+	BLI_argsPrintArgDoc(ba, "--debug-python");
+	BLI_argsPrintArgDoc(ba, "--debug-depsgraph");
+	BLI_argsPrintArgDoc(ba, "--debug-depsgraph-no-threads");
+
+	BLI_argsPrintArgDoc(ba, "--debug-gpumem");
+	BLI_argsPrintArgDoc(ba, "--debug-wm");
+	BLI_argsPrintArgDoc(ba, "--debug-all");
+
+	printf("\n");
+	BLI_argsPrintArgDoc(ba, "--debug-fpe");
+	BLI_argsPrintArgDoc(ba, "--disable-crash-handler");
+
+	printf("\n");
+	printf("Misc Options:\n");
+	BLI_argsPrintArgDoc(ba, "--factory-startup");
+	printf("\n");
+	BLI_argsPrintArgDoc(ba, "--env-system-datafiles");
+	BLI_argsPrintArgDoc(ba, "--env-system-scripts");
+	BLI_argsPrintArgDoc(ba, "--env-system-python");
+	printf("\n");
+	BLI_argsPrintArgDoc(ba, "-nojoystick");
+	BLI_argsPrintArgDoc(ba, "-noglsl");
+	BLI_argsPrintArgDoc(ba, "-noaudio");
+	BLI_argsPrintArgDoc(ba, "-setaudio");
+
+	printf("\n");
+
+	BLI_argsPrintArgDoc(ba, "--help");
+
+#ifdef WIN32
+	BLI_argsPrintArgDoc(ba, "-R");
+	BLI_argsPrintArgDoc(ba, "-r");
+#endif
+	BLI_argsPrintArgDoc(ba, "--version");
+
+	BLI_argsPrintArgDoc(ba, "--");
+
+	printf("Other Options:\n");
+	BLI_argsPrintOtherDoc(ba);
+
+	printf("\n");
+	printf("Experimental features:\n");
+	BLI_argsPrintArgDoc(ba, "--enable-new-depsgraph");
+
+	printf("Argument Parsing:\n");
+	printf("\tArguments must be separated by white space, eg:\n");
+	printf("\t# blender -ba test.blend\n");
+	printf("\t...will ignore the 'a'\n");
+	printf("\t# blender -b test.blend -f8\n");
+	printf("\t...will ignore '8' because there is no space between the '-f' and the frame value\n\n");
+
+	printf("Argument Order:\n");
+	printf("\tArguments are executed in the order they are given. eg:\n");
+	printf("\t# blender --background test.blend --render-frame 1 --render-output '/tmp'\n");
+	printf("\t...will not render to '/tmp' because '--render-frame 1' renders before the output path is set\n");
+	printf("\t# blender --background --render-output /tmp test.blend --render-frame 1\n");
+	printf("\t...will not render to '/tmp' because loading the blend file overwrites the render output that was set\n");
+	printf("\t# blender --background test.blend --render-output /tmp --render-frame 1\n");
+	printf("\t...works as expected.\n\n");
+
+	printf("Environment Variables:\n");
+	printf("  $BLENDER_USER_CONFIG      Directory for user configuration files.\n");
+	printf("  $BLENDER_USER_SCRIPTS     Directory for user scripts.\n");
+	printf("  $BLENDER_SYSTEM_SCRIPTS   Directory for system wide scripts.\n");
+	printf("  $BLENDER_USER_DATAFILES   Directory for user data files (icons, translations, ..).\n");
+	printf("  $BLENDER_SYSTEM_DATAFILES Directory for system wide data files.\n");
+	printf("  $BLENDER_SYSTEM_PYTHON    Directory for system python libraries.\n");
+#ifdef WIN32
+	printf("  $TEMP                     Store temporary files here.\n");
+#else
+	printf("  $TMP or $TMPDIR           Store temporary files here.\n");
+#endif
+#ifdef WITH_SDL
+	printf("  $SDL_AUDIODRIVER          LibSDL audio driver - alsa, esd, dma.\n");
+#endif
+	printf("  $PYTHONHOME               Path to the python directory, eg. /usr/lib/python.\n\n");
+
+	exit(0);
+
+	return 0;
+}
+
+static const char arg_handle_arguments_end_doc[] =
+"\n\tEnds option processing, following arguments passed unchanged. Access via Python's 'sys.argv'"
+;
+static int arg_handle_arguments_end(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
+{
+	return -1;
+}
+
+/* only to give help message */
+#ifndef WITH_PYTHON_SECURITY /* default */
+#  define   PY_ENABLE_AUTO ", (default)"
+#  define   PY_DISABLE_AUTO ""
+#else
+#  define   PY_ENABLE_AUTO ""
+#  define   PY_DISABLE_AUTO ", (compiled as non-standard default)"
+#endif
+
+static const char arg_handle_python_set_doc_enable[] =
+"\n\tEnable automatic Python script execution" PY_ENABLE_AUTO
+;
+static const char arg_handle_python_set_doc_disable[] =
+"\n\tDisable automatic Python script execution (pydrivers & startup scripts)" PY_DISABLE_AUTO
+;
+#undef PY_ENABLE_AUTO
+#undef PY_DISABLE_AUTO
+
+static int arg_handle_python_set(int UNUSED(argc), const char **UNUSED(argv), void *data)
+{
+	if ((bool)data) {
+		G.f |= G_SCRIPT_AUTOEXEC;
+	}
+	else {
+		G.f &= ~G_SCRIPT_AUTOEXEC;
+	}
+	G.f |= G_SCRIPT_OVERRIDE_PREF;
+	return 0;
+}
+
+static const char arg_handle_crash_handler_disable_doc[] =
+"\n\tDisable the crash handler"
+;
+static int arg_handle_crash_handler_disable(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
+{
+	app_state.signal.use_crash_handler = false;
+	return 0;
+}
+
+static const char arg_handle_abort_handler_disable_doc[] =
+"\n\tDisable the abort handler"
+;
+static int arg_handle_abort_handler_disable(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
+{
+	app_state.signal.use_abort_handler = false;
+	return 0;
+}
+
+static const char arg_handle_background_mode_set_doc[] =
+"\n\tRun in background (often used for UI-less rendering)"
+;
+static int arg_handle_background_mode_set(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
+{
+	G.background = 1;
+	return 0;
+}
+
+static const char arg_handle_debug_mode_set_doc[] =
+"\n\tTurn debugging on\n"
+"\n\t* Enables memory error detection"
+"\n\t* Disables mouse grab (to interact with a debugger in some cases)"
+"\n\t* Keeps Python's 'sys.stdin' rather than setting it to None"
+;
+static int arg_handle_debug_mode_set(int UNUSED(argc), const char **UNUSED(argv), void *data)
+{
+	G.debug |= G_DEBUG;  /* std output printf's */
+	printf(BLEND_VERSION_STRING_FMT);
+	MEM_set_memory_debug();
+#ifndef NDEBUG
+	BLI_mempool_set_memory_debug();
+#endif
+
+#ifdef WITH_BUILDINFO
+	printf("Build: %s %s %s %s\n", build_date, build_time, build_platform, build_type);
+#endif
+
+	BLI_argsPrint(data);
+	return 0;
+}
+
+#ifdef WITH_FFMPEG
+static const char arg_handle_debug_mode_generic_set_doc_ffmpeg[] =
+"\n\tEnable debug messages from FFmpeg library";
+#endif
+#ifdef WITH_FREESTYLE
+static const char arg_handle_debug_mode_generic_set_doc_freestyle[] =
+"\n\tEnable debug messages for FreeStyle";
+#endif
+static const char arg_handle_debug_mode_generic_set_doc_python[] =
+"\n\tEnable debug messages for Python";
+static const char arg_handle_debug_mode_generic_set_doc_events[] =
+"\n\tEnable debug messages for the event system";
+static const char arg_handle_debug_mode_generic_set_doc_handlers[] =
+"\n\tEnable debug messages for event handling";
+static const char arg_handle_debug_mode_generic_set_doc_wm[] =
+"\n\tEnable debug messages for the window manager, also prints every operator call";
+static const char arg_handle_debug_mode_generic_set_doc_all[] =
+"\n\tEnable all debug messages (excludes libmv)";
+static const char arg_handle_debug_mode_generic_set_doc_jobs[] =
+"\n\tEnable time profiling for background jobs.";
+static const char arg_handle_debug_mode_generic_set_doc_gpu[] =
+"\n\tEnable gpu debug context and information for OpenGL 4.3+.";
+static const char arg_handle_debug_mode_generic_set_doc_depsgraph[] =
+"\n\tEnable debug messages from dependency graph";
+static const char arg_handle_debug_mode_generic_set_doc_depsgraph_no_threads[] =
+"\n\tSwitch dependency graph to a single threaded evaluation";
+static const char arg_handle_debug_mode_generic_set_doc_gpumem[] =
+"\n\tEnable GPU memory stats in status bar";
+
+static int arg_handle_debug_mode_generic_set(int UNUSED(argc), const char **UNUSED(argv), void *data)
+{
+	G.debug |= GET_INT_FROM_POINTER(data);
+	return 0;
+}
+
+#ifdef WITH_LIBMV
+static const char arg_handle_debug_mode_libmv_doc[] =
+"\n\tEnable debug messages from libmv library"
+;
+static int arg_handle_debug_mode_libmv(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
+{
+	libmv_startDebugLogging();
+
+	return 0;
+}
+#endif
+
+#ifdef WITH_CYCLES_LOGGING
+static const char arg_handle_debug_mode_cycles_doc[] =
+"\n\tEnable debug messages from Cycles"
+;
+static int arg_handle_debug_mode_cycles(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
+{
+	CCL_start_debug_logging();
+	return 0;
+}
+#endif
+
+static const char arg_handle_debug_mode_memory_set_doc[] =
+"\n\tEnable fully guarded memory allocation and debugging"
+;
+static int arg_handle_debug_mode_memory_set(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
+{
+	MEM_set_memory_debug();
+	return 0;
+}
+
+static const char arg_handle_debug_value_set_doc[] =
+"<value>\n\tSet debug value of <value> on startup\n"
+;
+static int arg_handle_debug_value_set(int argc, const char **argv, void *UNUSED(data))
+{
+	const char *arg_id = "--debug-value";
+	if (argc > 1) {
+		const char *err_msg = NULL;
+		int value;
+		if (!parse_int(argv[1], &value, &err_msg)) {
+			printf("\nError: %s '%s %s'.\n", err_msg, arg_id, argv[1]);
+			return 1;
+		}
+
+		G.debug_value = value;
+
+		return 1;
+	}
+	else {
+		printf("\nError: you must specify debug value to set.\n");
+		return 0;
+	}
+}
+
+static const char arg_handle_debug_fpe_set_doc[] =
+"\n\tEnable floating point exceptions"
+;
+static int arg_handle_debug_fpe_set(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
+{
+	main_signal_setup_fpe();
+	return 0;
+}
+
+static const char arg_handle_factory_startup_set_doc[] =
+"\n\tSkip reading the " STRINGIFY(BLENDER_STARTUP_FILE) " in the users home directory"
+;
+static int arg_handle_factory_startup_set(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
+{
+	G.factory_startup = 1;
+	return 0;
+}
+
+static const char arg_handle_env_system_set_doc_datafiles[] =
+"\n\tSet the "STRINGIFY_ARG (BLENDER_SYSTEM_DATAFILES)" environment variable";
+static const char arg_handle_env_system_set_doc_scripts[] =
+"\n\tSet the "STRINGIFY_ARG (BLENDER_SYSTEM_SCRIPTS)" environment variable";
+static const char arg_handle_env_system_set_doc_python[] =
+"\n\tSet the "STRINGIFY_ARG (BLENDER_SYSTEM_PYTHON)" environment variable";
+
+static int arg_handle_env_system_set(int argc, const char **argv, void *UNUSED(data))
+{
+	/* "--env-system-scripts" --> "BLENDER_SYSTEM_SCRIPTS" */
+
+	char env[64] = "BLENDER";
+	char *ch_dst = env + 7; /* skip BLENDER */
+	const char *ch_src = argv[0] + 5; /* skip --env */
+
+	if (argc < 2) {
+		printf("%s requires one argument\n", argv[0]);
+		exit(1);
+	}
+
+	for (; *ch_src; ch_src++, ch_dst++) {
+		*ch_dst = (*ch_src == '-') ? '_' : (*ch_src) - 32; /* toupper() */
+	}
+
+	*ch_dst = '\0';
+	BLI_setenv(env, argv[1]);
+	return 1;
+}
+
+static const char arg_handle_playback_mode_doc[] =
+"<options> <file(s)>\n"
+"\tPlayback <file(s)>, only operates this way when not running in background.\n"
+"\t\t-p <sx> <sy>\tOpen with lower left corner at <sx>, <sy>\n"
+"\t\t-m\t\tRead from disk (Don't buffer)\n"
+"\t\t-f <fps> <fps-base>\t\tSpecify FPS to start with\n"
+"\t\t-j <frame>\tSet frame step to <frame>\n"
+"\t\t-s <frame>\tPlay from <frame>\n"
+"\t\t-e <frame>\tPlay until <frame>"
+;
+static int arg_handle_playback_mode(int argc, const char **argv, void *UNUSED(data))
+{
+	/* not if -b was given first */
+	if (G.background == 0) {
+#ifdef WITH_FFMPEG
+		/* Setup FFmpeg with current debug flags. */
+		IMB_ffmpeg_init();
+#endif
+
+		WM_main_playanim(argc, argv); /* not the same argc and argv as before */
+		exit(0); /* 2.4x didn't do this */
+	}
+
+	return -2;
+}
+
+static const char arg_handle_window_geometry_doc[] =
+"<sx> <sy> <w> <h>\n"
+"\tOpen with lower left corner at <sx>, <sy> and width and height as <w>, <h>"
+;
+static int arg_handle_window_geometry(int argc, const char **argv, void *UNUSED(data))
+{
+	const char *arg_id = "-p / --window-geometry";
+	int params[4], i;
+
+	if (argc < 5) {
+		fprintf(stderr, "Error: requires four arguments '%s'\n", arg_id);
+		exit(1);
+	}
+
+	for (i = 0; i < 4; i++) {
+		const char *err_msg = NULL;
+		if (!parse_int(argv[i + 1], &params[i], &err_msg)) {
+			printf("\nError: %s '%s %s'.\n", err_msg, arg_id, argv[1]);
+			exit(1);
+		}
+	}
+
+	WM_init_state_size_set(UNPACK4(params));
+
+	return 4;
+}
+
+static const char arg_handle_native_pixels_set_doc[] =
+"\n\tDo not use native pixel size, for high resolution displays (MacBook 'Retina')"
+;
+static int arg_handle_native_pixels_set(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
+{
+	WM_init_native_pixels(false);
+	return 0;
+}
+
+static const char arg_handle_with_borders_doc[] =
+"\n\tForce opening without borders"
+;
+static int arg_handle_with_borders(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
+{
+	WM_init_state_normal_set();
+	return 0;
+}
+
+static const char arg_handle_without_borders_doc[] =
+"\n\tForce opening without borders"
+;
+static int arg_handle_without_borders(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
+{
+	WM_init_state_fullscreen_set();
+	return 0;
+}
+
+extern bool wm_start_with_console; /* wm_init_exit.c */
+
+static const char arg_handle_start_with_console_doc[] =
+"\n\tStart with the console window open (ignored if -b is set), (Windows only)"
+;
+static int arg_handle_start_with_console(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
+{
+	wm_start_with_console = true;
+	return 0;
+}
+
+static const char arg_handle_register_extension_doc[] =
+"\n\tRegister .blend extension, then exit (Windows only)"
+;
+static const char arg_handle_register_extension_doc_silent[] =
+"\n\tSilently register .blend extension, then exit (Windows only)"
+;
+static int arg_handle_register_extension(int UNUSED(argc), const char **UNUSED(argv), void *data)
+{
+#ifdef WIN32
+	if (data)
+		G.background = 1;
+	RegisterBlendExtension();
+#else
+	(void)data; /* unused */
+#endif
+	return 0;
+}
+
+static const char arg_handle_joystick_disable_doc[] =
+"\n\tDisable joystick support"
+;
+static int arg_handle_joystick_disable(int UNUSED(argc), const char **UNUSED(argv), void *data)
+{
+#ifndef WITH_GAMEENGINE
+	(void)data;
+#else
+	SYS_SystemHandle *syshandle = data;
+
+	/**
+	 * don't initialize joysticks if user doesn't want to use joysticks
+	 * failed joystick initialization delays over 5 seconds, before game engine start
+	 */
+	SYS_WriteCommandLineInt(*syshandle, "nojoystick", 1);
+	if (G.debug & G_DEBUG) printf("disabling nojoystick\n");
+#endif
+
+	return 0;
+}
+
+static const char arg_handle_glsl_disable_doc[] =
+"\n\tDisable GLSL shading"
+;
+static int arg_handle_glsl_disable(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
+{
+	GPU_extensions_disable();
+	return 0;
+}
+
+static const char arg_handle_audio_disable_doc[] =
+"\n\tForce sound system to None"
+;
+static int arg_handle_audio_disable(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
+{
+	BKE_sound_force_device("Null");
+	return 0;
+}
+
+static const char arg_handle_audio_set_doc[] =
+"\n\tForce sound system to a specific device\n\tNULL SDL OPENAL JACK"
+;
+static int arg_handle_audio_set(int argc, const char **argv, void *UNUSED(data))
+{
+	if (argc < 1) {
+		fprintf(stderr, "-setaudio require one argument\n");
+		exit(1);
+	}
+
+	BKE_sound_force_device(argv[1]);
+	return 1;
+}
+
+static const char arg_handle_output_set_doc[] =
+"<path>\n"
+"\tSet the render path and file name.\n"
+"\tUse '//' at the start of the path to render relative to the blend file.\n"
+"\n"
+"\tThe '#' characters are replaced by the frame number, and used to define zero padding.\n"
+"\t* 'ani_##_test.png' becomes 'ani_01_test.png'\n"
+"\t* 'test-######.png' becomes 'test-000001.png'\n"
+"\n"
+"\tWhen the filename does not contain '#', The suffix '####' is added to the filename.\n"
+"\n"
+"\tThe frame number will be added at the end of the filename, eg:\n"
+"\t# blender -b foobar.blend -o //render_ -F PNG -x 1 -a\n"
+"\t'//render_' becomes '//render_####', writing frames as '//render_0001.png'"
+;
+static int arg_handle_output_set(int argc, const char **argv, void *data)
+{
+	bContext *C = data;
+	if (argc > 1) {
+		Scene *scene = CTX_data_scene(C);
+		if (scene) {
+			BLI_strncpy(scene->r.pic, argv[1], sizeof(scene->r.pic));
+		}
+		else {
+			printf("\nError: no blend loaded. cannot use '-o / --render-output'.\n");
+		}
+		return 1;
+	}
+	else {
+		printf("\nError: you must specify a path after '-o  / --render-output'.\n");
+		return 0;
+	}
+}
+
+static const char arg_handle_engine_set_doc[] =
+"<engine>\n"
+"\tSpecify the render engine\n\tuse -E help to list available engines"
+;
+static int arg_handle_engine_set(int argc, const char **argv, void *data)
+{
+	bContext *C = data;
+	if (argc >= 2) {
+		if (STREQ(argv[1], "help")) {
+			RenderEngineType *type = NULL;
+			printf("Blender Engine Listing:\n");
+			for (type = R_engines.first; type; type = type->next) {
+				printf("\t%s\n", type->idname);
+			}
+			exit(0);
+		}
+		else {
+			Scene *scene = CTX_data_scene(C);
+			if (scene) {
+				RenderData *rd = &scene->r;
+
+				if (BLI_findstring(&R_engines, argv[1], offsetof(RenderEngineType, idname))) {
+					BLI_strncpy_utf8(rd->engine, argv[1], sizeof(rd->engine));
+				}
+				else {
+					printf("\nError: engine not found '%s'\n", argv[1]);
+					exit(1);
+				}
+			}
+			else {
+				printf("\nError: no blend loaded. order the arguments so '-E  / --engine ' is after a blend is loaded.\n");
+			}
+		}
+
+		return 1;
+	}
+	else {
+		printf("\nEngine not specified, give 'help' for a list of available engines.\n");
+		return 0;
+	}
+}
+
+static const char arg_handle_image_type_set_doc[] =
+"<format>\n"
+"\tSet the render format, Valid options are...\n"
+"\t\tTGA IRIS JPEG MOVIE IRIZ RAWTGA\n"
+"\t\tAVIRAW AVIJPEG PNG BMP FRAMESERVER\n"
+"\t(formats that can be compiled into blender, not available on all systems)\n"
+"\t\tHDR TIFF EXR MULTILAYER MPEG AVICODEC QUICKTIME CINEON DPX DDS"
+;
+static int arg_handle_image_type_set(int argc, const char **argv, void *data)
+{
+	bContext *C = data;
+	if (argc > 1) {
+		const char *imtype = argv[1];
+		Scene *scene = CTX_data_scene(C);
+		if (scene) {
+			const char imtype_new = BKE_imtype_from_arg(imtype);
+
+			if (imtype_new == R_IMF_IMTYPE_INVALID) {
+				printf("\nError: Format from '-F / --render-format' not known or not compiled in this release.\n");
+			}
+			else {
+				scene->r.im_format.imtype = imtype_new;
+			}
+		}
+		else {
+			printf("\nError: no blend loaded. order the arguments so '-F  / --render-format' is after the blend is loaded.\n");
+		}
+		return 1;
+	}
+	else {
+		printf("\nError: you must specify a format after '-F  / --render-foramt'.\n");
+		return 0;
+	}
+}
+
+static const char arg_handle_threads_set_doc[] =
+"<threads>\n"
+"\tUse amount of <threads> for rendering and other operations\n"
+"\t[1-" STRINGIFY(BLENDER_MAX_THREADS) "], 0 for systems processor count."
+;
+static int arg_handle_threads_set(int argc, const char **argv, void *UNUSED(data))
+{
+	const char *arg_id = "-t / --threads";
+	const int min = 0, max = BLENDER_MAX_THREADS;
+	if (argc > 1) {
+		const char *err_msg = NULL;
+		int threads;
+		if (!parse_int_strict_range(argv[1], min, max, &threads, &err_msg)) {
+			printf("\nError: %s '%s %s', expected number in [%d..%d].\n", err_msg, arg_id, argv[1], min, max);
+			return 1;
+		}
+
+		BLI_system_num_threads_override_set(threads);
+		return 1;
+	}
+	else {
+		printf("\nError: you must specify a number of threads in [%d..%d] '%s'.\n", min, max, arg_id);
+		return 0;
+	}
+}
+
+static const char arg_handle_depsgraph_use_new_doc[] =
+"\n\tUse new dependency graph"
+;
+static int arg_handle_depsgraph_use_new(int UNUSED(argc), const char **UNUSED(argv), void *UNUSED(data))
+{
+	printf("Using new dependency graph.\n");
+	DEG_depsgraph_switch_to_new();
+	return 0;
+}
+
+static const char arg_handle_verbosity_set_doc[] =
+"<verbose>\n\tSet logging verbosity level."
+;
+static int arg_handle_verbosity_set(int argc, const char **argv, void *UNUSED(data))
+{
+	const char *arg_id = "--verbose";
+	if (argc > 1) {
+		const char *err_msg = NULL;
+		int level;
+		if (!parse_int(argv[1], &level, &err_msg)) {
+			printf("\nError: %s '%s %s'.\n", err_msg, arg_id, argv[1]);
+		}
+
+#ifdef WITH_LIBMV
+		libmv_setLoggingVerbosity(level);
+#elif defined(WITH_CYCLES_LOGGING)
+		CCL_logging_verbosity_set(level);
+#else
+		(void)level;
+#endif
+
+		return 1;
+	}
+	else {
+		printf("\nError: you must specify a verbosity level.\n");
+		return 0;
+	}
+}
+
+static const char arg_handle_extension_set_doc[] =
+"<bool>\n"
+"\tSet option to add the file extension to the end of the file"
+;
+static int arg_handle_extension_set(int argc, const char **argv, void *data)
+{
+	bContext *C = data;
+	if (argc > 1) {
+		Scene *scene = CTX_data_scene(C);
+		if (scene) {
+			if (argv[1][0] == '0') {
+				scene->r.scemode &= ~R_EXTENSION;
+			}
+			else if (argv[1][0] == '1') {
+				scene->r.scemode |= R_EXTENSION;
+			}
+			else {
+				printf("\nError: Use '-x 1 / -x 0' To set the extension option or '--use-extension'\n");
+			}
+		}
+		else {
+			printf("\nError: no blend loaded. order the arguments so '-o ' is after '-x '.\n");
+		}
+		return 1;
+	}
+	else {
+		printf("\nError: you must specify a path after '- '.\n");
+		return 0;
+	}
+}
+
+static const char arg_handle_ge_parameters_set_doc[] =
+"Game Engine specific options\n"
+"\t-g fixedtime\t\tRun on 50 hertz without dropping frames\n"
+"\t-g vertexarrays\t\tUse Vertex Arrays for rendering (usually faster)\n"
+"\t-g nomipmap\t\tNo Texture Mipmapping\n"
+"\t-g linearmipmap\t\tLinear Texture Mipmapping instead of Nearest (default)"
+;
+static int arg_handle_ge_parameters_set(int argc, const char **argv, void *data)
+{
+	int a = 0;
+#ifdef WITH_GAMEENGINE
+	SYS_SystemHandle syshandle = *(SYS_SystemHandle *)data;
+#else
+	(void)data;
+#endif
+
+	/**
+	 * gameengine parameters are automatically put into system
+	 * -g [paramname = value]
+	 * -g [boolparamname]
+	 * example:
+	 * -g novertexarrays
+	 * -g maxvertexarraysize = 512
+	 */
+
+	if (argc >= 1) {
+		const char *paramname = argv[a];
+		/* check for single value versus assignment */
+		if (a + 1 < argc && (*(argv[a + 1]) == '=')) {
+			a++;
+			if (a + 1 < argc) {
+				a++;
+				/* assignment */
+#ifdef WITH_GAMEENGINE
+				SYS_WriteCommandLineString(syshandle, paramname, argv[a]);
+#endif
+			}
+			else {
+				printf("error: argument assignment (%s) without value.\n", paramname);
+				return 0;
+			}
+			/* name arg eaten */
+
+		}
+		else {
+#ifdef WITH_GAMEENGINE
+			SYS_WriteCommandLineInt(syshandle, argv[a], 1);
+#endif
+			/* doMipMap */
+			if (STREQ(argv[a], "nomipmap")) {
+				GPU_set_mipmap(0); //doMipMap = 0;
+			}
+			/* linearMipMap */
+			if (STREQ(argv[a], "linearmipmap")) {
+				GPU_set_mipmap(1);
+				GPU_set_linear_mipmap(1); //linearMipMap = 1;
+			}
+
+
+		} /* if (*(argv[a + 1]) == '=') */
+	}
+
+	return a;
+}
+
+static const char arg_handle_render_frame_doc[] =
+"<frame>\n\tRender frame <frame> and save it.\n\t+<frame> start frame relative, -<frame> end frame relative."
+;
+static int arg_handle_render_frame(int argc, const char **argv, void *data)
+{
+	const char *arg_id = "-f / --render-frame";
+	bContext *C = data;
+	Scene *scene = CTX_data_scene(C);
+	if (scene) {
+		Main *bmain = CTX_data_main(C);
+
+		if (argc > 1) {
+			const char *err_msg = NULL;
+			Render *re;
+			int frame;
+			ReportList reports;
+
+			if (!parse_int_relative_clamp(
+			        argv[1], scene->r.sfra, scene->r.efra, MINAFRAME, MAXFRAME,
+			        &frame, &err_msg))
+			{
+				printf("\nError: %s '%s %s'.\n", err_msg, arg_id, argv[1]);
+				return 1;
+			}
+
+			re = RE_NewRender(scene->id.name);
+			BLI_begin_threaded_malloc();
+			BKE_reports_init(&reports, RPT_PRINT);
+
+			RE_SetReports(re, &reports);
+			RE_BlenderAnim(re, bmain, scene, NULL, scene->lay, frame, frame, scene->r.frame_step);
+			RE_SetReports(re, NULL);
+			BLI_end_threaded_malloc();
+			return 1;
+		}
+		else {
+			printf("\nError: frame number must follow '%s'.\n", arg_id);
+			return 0;
+		}
+	}
+	else {
+		printf("\nError: no blend loaded. cannot use '%s'.\n", arg_id);
+		return 0;
+	}
+}
+
+static const char arg_handle_render_animation_doc[] =
+"\n\tRender frames from start to end (inclusive)"
+;
+static int arg_handle_render_animation(int UNUSED(argc), const char **UNUSED(argv), void *data)
+{
+	bContext *C = data;
+	Scene *scene = CTX_data_scene(C);
+	if (scene) {
+		Main *bmain = CTX_data_main(C);
+		Render *re = RE_NewRender(scene->id.name);
+		ReportList reports;
+		BLI_begin_threaded_malloc();
+		BKE_reports_init(&reports, RPT_PRINT);
+		RE_SetReports(re, &reports);
+		RE_BlenderAnim(re, bmain, scene, NULL, scene->lay, scene->r.sfra, scene->r.efra, scene->r.frame_step);
+		RE_SetReports(re, NULL);
+		BLI_end_threaded_malloc();
+	}
+	else {
+		printf("\nError: no blend loaded. cannot use '-a'.\n");
+	}
+	return 0;
+}
+
+static const char arg_handle_scene_set_doc[] =
+"<name>\n"
+"\tSet the active scene <name> for rendering"
+;
+static int arg_handle_scene_set(int argc, const char **argv, void *data)
+{
+	if (argc > 1) {
+		bContext *C = data;
+		Scene *scene = BKE_scene_set_name(CTX_data_main(C), argv[1]);
+		if (scene) {
+			CTX_data_scene_set(C, scene);
+		}
+		return 1;
+	}
+	else {
+		printf("\nError: Scene name must follow '-S / --scene'.\n");
+		return 0;
+	}
+}
+
+static const char arg_handle_frame_start_set_doc[] =
+"<frame>\n\tSet start to frame <frame>, supports +/- for relative frames too."
+;
+static int arg_handle_frame_start_set(int argc, const char **argv, void *data)
+{
+	const char *arg_id = "-s / --frame-start";
+	bContext *C = data;
+	Scene *scene = CTX_data_scene(C);
+	if (scene) {
+		if (argc > 1) {
+			const char *err_msg = NULL;
+			if (!parse_int_relative_clamp(
+			        argv[1], scene->r.sfra, scene->r.sfra - 1, MINAFRAME, MAXFRAME,
+			        &scene->r.sfra, &err_msg))
+			{
+				printf("\nError: %s '%s %s'.\n", err_msg, arg_id, argv[1]);
+			}
+			return 1;
+		}
+		else {
+			printf("\nError: frame number must follow '%s'.\n", arg_id);
+			return 0;
+		}
+	}
+	else {
+		printf("\nError: no blend loaded. cannot use '%s'.\n", arg_id);
+		return 0;
+	}
+}
+
+static const char arg_handle_frame_end_set_doc[] =
+"<frame>\n"
+"\tSet end to frame <frame>, supports +/- for relative frames too."
+;
+static int arg_handle_frame_end_set(int argc, const char **argv, void *data)
+{
+	const char *arg_id = "-e / --frame-end";
+	bContext *C = data;
+	Scene *scene = CTX_data_scene(C);
+	if (scene) {
+		if (argc > 1) {
+			const char *err_msg = NULL;
+			if (!parse_int_relative_clamp(
+			        argv[1], scene->r.efra, scene->r.efra - 1, MINAFRAME, MAXFRAME,
+			        &scene->r.efra, &err_msg))
+			{
+				printf("\nError: %s '%s %s'.\n", err_msg, arg_id, argv[1]);
+			}
+			return 1;
+		}
+		else {
+			printf("\nError: frame number must follow '%s'.\n", arg_id);
+			return 0;
+		}
+	}
+	else {
+		printf("\nError: no blend loaded. cannot use '%s'.\n", arg_id);
+		return 0;
+	}
+}
+
+static const char arg_handle_frame_skip_set_doc[] =
+"<frames>\n\tSet number of frames to step forward after each rendered frame"
+;
+static int arg_handle_frame_skip_set(int argc, const char **argv, void *data)
+{
+	const char *arg_id = "-j / --frame-jump";
+	bContext *C = data;
+	Scene *scene = CTX_data_scene(C);
+	if (scene) {
+		if (argc > 1) {
+			const char *err_msg = NULL;
+			if (!parse_int_clamp(argv[1], 1, MAXFRAME, &scene->r.frame_step, &err_msg)) {
+				printf("\nError: %s '%s %s'.\n", err_msg, arg_id, argv[1]);
+			}
+			return 1;
+		}
+		else {
+			printf("\nError: number of frames to step must follow '%s'.\n", arg_id);
+			return 0;
+		}
+	}
+	else {
+		printf("\nError: no blend loaded. cannot use '%s'.\n", arg_id);
+		return 0;
+	}
+}
+
+static const char arg_handle_python_file_run_doc[] =
+"<filename>\n"
+"\tRun the given Python script file"
+;
+static int arg_handle_python_file_run(int argc, const char **argv, void *data)
+{
+#ifdef WITH_PYTHON
+	bContext *C = data;
+
+	/* workaround for scripts not getting a bpy.context.scene, causes internal errors elsewhere */
+	if (argc > 1) {
+		/* Make the path absolute because its needed for relative linked blends to be found */
+		char filename[FILE_MAX];
+		BLI_strncpy(filename, argv[1], sizeof(filename));
+		BLI_path_cwd(filename, sizeof(filename));
+
+		bool ok;
+		BPY_CTX_SETUP(ok = BPY_execute_filepath(C, filename, NULL));
+		if (!ok && app_state.exit_code_on_error.python) {
+			printf("\nError: script failed, file: '%s', exiting.\n", argv[1]);
+			exit(app_state.exit_code_on_error.python);
+		}
+		return 1;
+	}
+	else {
+		printf("\nError: you must specify a filepath after '%s'.\n", argv[0]);
+		return 0;
+	}
+#else
+	UNUSED_VARS(argc, argv, data);
+	printf("This blender was built without python support\n");
+	return 0;
+#endif /* WITH_PYTHON */
+}
+
+static const char arg_handle_python_text_run_doc[] =
+"<name>\n"
+"\tRun the given Python script text block"
+;
+static int arg_handle_python_text_run(int argc, const char **argv, void *data)
+{
+#ifdef WITH_PYTHON
+	bContext *C = data;
+
+	/* workaround for scripts not getting a bpy.context.scene, causes internal errors elsewhere */
+	if (argc > 1) {
+		/* Make the path absolute because its needed for relative linked blends to be found */
+		struct Text *text = (struct Text *)BKE_libblock_find_name(ID_TXT, argv[1]);
+		bool ok;
+
+		if (text) {
+			BPY_CTX_SETUP(ok = BPY_execute_text(C, text, NULL, false));
+		}
+		else {
+			printf("\nError: text block not found %s.\n", argv[1]);
+			ok = false;
+		}
+
+		if (!ok && app_state.exit_code_on_error.python) {
+			printf("\nError: script failed, text: '%s', exiting.\n", argv[1]);
+			exit(app_state.exit_code_on_error.python);
+		}
+
+		return 1;
+	}
+	else {
+		printf("\nError: you must specify a text block after '%s'.\n", argv[0]);
+		return 0;
+	}
+#else
+	UNUSED_VARS(argc, argv, data);
+	printf("This blender was built without python support\n");
+	return 0;
+#endif /* WITH_PYTHON */
+}
+
+static const char arg_handle_python_expr_run_doc[] =
+"<expression>\n"
+"\tRun the given expression as a Python script"
+;
+static int arg_handle_python_expr_run(int argc, const char **argv, void *data)
+{
+#ifdef WITH_PYTHON
+	bContext *C = data;
+
+	/* workaround for scripts not getting a bpy.context.scene, causes internal errors elsewhere */
+	if (argc > 1) {
+		bool ok;
+		BPY_CTX_SETUP(ok = BPY_execute_string_ex(C, argv[1], false));
+		if (!ok && app_state.exit_code_on_error.python) {
+			printf("\nError: script failed, expr: '%s', exiting.\n", argv[1]);
+			exit(app_state.exit_code_on_error.python);
+		}
+		return 1;
+	}
+	else {
+		printf("\nError: you must specify a Python expression after '%s'.\n", argv[0]);
+		return 0;
+	}
+#else
+	UNUSED_VARS(argc, argv, data);
+	printf("This blender was built without python support\n");
+	return 0;
+#endif /* WITH_PYTHON */
+}
+
+static const char arg_handle_python_console_run_doc[] =
+"\n\tRun blender with an interactive console"
+;
+static int arg_handle_python_console_run(int UNUSED(argc), const char **argv, void *data)
+{
+#ifdef WITH_PYTHON
+	bContext *C = data;
+
+	BPY_CTX_SETUP(BPY_execute_string(C, "__import__('code').interact()"));
+
+	return 0;
+#else
+	UNUSED_VARS(argv, data);
+	printf("This blender was built without python support\n");
+	return 0;
+#endif /* WITH_PYTHON */
+}
+
+static const char arg_handle_python_exit_code_set_doc[] =
+"\n\tSet the exit-code in [0..255] to exit if a Python exception is raised\n"
+"\t(only for scripts executed from the command line), zero disables."
+;
+static int arg_handle_python_exit_code_set(int argc, const char **argv, void *UNUSED(data))
+{
+	const char *arg_id = "--python-exit-code";
+	if (argc > 1) {
+		const char *err_msg = NULL;
+		const int min = 0, max = 255;
+		int exit_code;
+		if (!parse_int_strict_range(argv[1], min, max, &exit_code, &err_msg)) {
+			printf("\nError: %s '%s %s', expected number in [%d..%d].\n", err_msg, arg_id, argv[1], min, max);
+			return 1;
+		}
+
+		app_state.exit_code_on_error.python = (unsigned char)exit_code;
+		return 1;
+	}
+	else {
+		printf("\nError: you must specify an exit code number '%s'.\n", arg_id);
+		return 0;
+	}
+}
+
+static const char arg_handle_addons_set_doc[] =
+"\n\tComma separated list of addons (no spaces)"
+;
+static int arg_handle_addons_set(int argc, const char **argv, void *data)
+{
+	/* workaround for scripts not getting a bpy.context.scene, causes internal errors elsewhere */
+	if (argc > 1) {
+#ifdef WITH_PYTHON
+		const char script_str[] =
+		        "from addon_utils import check, enable\n"
+		        "for m in '%s'.split(','):\n"
+		        "    if check(m)[1] is False:\n"
+		        "        enable(m, persistent=True)";
+		const int slen = strlen(argv[1]) + (sizeof(script_str) - 2);
+		char *str = malloc(slen);
+		bContext *C = data;
+		BLI_snprintf(str, slen, script_str, argv[1]);
+
+		BLI_assert(strlen(str) + 1 == slen);
+		BPY_CTX_SETUP(BPY_execute_string_ex(C, str, false));
+		free(str);
+#else
+		UNUSED_VARS(argv, data);
+#endif /* WITH_PYTHON */
+		return 1;
+	}
+	else {
+		printf("\nError: you must specify a comma separated list after '--addons'.\n");
+		return 0;
+	}
+}
+
+static int arg_handle_load_file(int UNUSED(argc), const char **argv, void *data)
+{
+	bContext *C = data;
+	ReportList reports;
+	bool success;
+
+	/* Make the path absolute because its needed for relative linked blends to be found */
+	char filename[FILE_MAX];
+
+	/* note, we could skip these, but so far we always tried to load these files */
+	if (argv[0][0] == '-') {
+		fprintf(stderr, "unknown argument, loading as file: %s\n", argv[0]);
+	}
+
+	BLI_strncpy(filename, argv[0], sizeof(filename));
+	BLI_path_cwd(filename, sizeof(filename));
+
+	/* load the file */
+	BKE_reports_init(&reports, RPT_PRINT);
+	WM_file_autoexec_init(filename);
+	success = WM_file_read(C, filename, &reports);
+	BKE_reports_clear(&reports);
+
+	if (success) {
+		if (G.background) {
+			/* ensuer we use 'C->data.scene' for background render */
+			CTX_wm_window_set(C, NULL);
+		}
+	}
+	else {
+		/* failed to load file, stop processing arguments if running in background mode */
+		if (G.background) {
+			/* Set is_break if running in the background mode so
+			 * blender will return non-zero exit code which then
+			 * could be used in automated script to control how
+			 * good or bad things are.
+			 */
+			G.is_break = true;
+			return -1;
+		}
+
+		/* Just pretend a file was loaded, so the user can press Save and it'll save at the filename from the CLI. */
+		BLI_strncpy(G.main->name, filename, FILE_MAX);
+		G.relbase_valid = true;
+		G.save_over = true;
+		printf("... opened default scene instead; saving will write to %s\n", filename);
+	}
+
+	G.file_loaded = 1;
+
+	return 0;
+}
+
+
+void main_args_setup(bContext *C, bArgs *ba, SYS_SystemHandle *syshandle)
+{
+
+#define CB(a) a##_doc, a
+#define CB_EX(a, b) a##_doc_##b, a
+
+	//BLI_argsAdd(ba, pass, short_arg, long_arg, doc, cb, C);
+
+	/* end argument processing after -- */
+	BLI_argsAdd(ba, -1, "--", NULL, arg_handle_arguments_end_doc, arg_handle_arguments_end, NULL);
+
+	/* first pass: background mode, disable python and commands that exit after usage */
+	BLI_argsAdd(ba, 1, "-h", "--help", CB(arg_handle_print_help), ba);
+	/* Windows only */
+	BLI_argsAdd(ba, 1, "/?", NULL, CB_EX(arg_handle_print_help, win32), ba);
+
+	BLI_argsAdd(ba, 1, "-v", "--version", CB(arg_handle_print_version), NULL);
+
+	BLI_argsAdd(ba, 1, "-y", "--enable-autoexec", CB_EX(arg_handle_python_set, enable), (void *)true);
+	BLI_argsAdd(ba, 1, "-Y", "--disable-autoexec", CB_EX(arg_handle_python_set, disable), (void *)false);
+
+	BLI_argsAdd(ba, 1, NULL, "--disable-crash-handler", CB(arg_handle_crash_handler_disable), NULL);
+	BLI_argsAdd(ba, 1, NULL, "--disable-abort-handler", CB(arg_handle_abort_handler_disable), NULL);
+
+	BLI_argsAdd(ba, 1, "-b", "--background", CB(arg_handle_background_mode_set), NULL);
+
+	BLI_argsAdd(ba, 1, "-a", NULL, CB(arg_handle_playback_mode), NULL);
+
+	BLI_argsAdd(ba, 1, "-d", "--debug", CB(arg_handle_debug_mode_set), ba);
+
+#ifdef WITH_FFMPEG
+	BLI_argsAdd(ba, 1, NULL, "--debug-ffmpeg",
+	            CB_EX(arg_handle_debug_mode_generic_set, ffmpeg), (void *)G_DEBUG_FFMPEG);
+#endif
+
+#ifdef WITH_FREESTYLE
+	BLI_argsAdd(ba, 1, NULL, "--debug-freestyle",
+	            CB_EX(arg_handle_debug_mode_generic_set, freestyle), (void *)G_DEBUG_FREESTYLE);
+#endif
+
+	BLI_argsAdd(ba, 1, NULL, "--debug-python",
+	            CB_EX(arg_handle_debug_mode_generic_set, python), (void *)G_DEBUG_PYTHON);
+	BLI_argsAdd(ba, 1, NULL, "--debug-events",
+	            CB_EX(arg_handle_debug_mode_generic_set, events), (void *)G_DEBUG_EVENTS);
+	BLI_argsAdd(ba, 1, NULL, "--debug-handlers",
+	            CB_EX(arg_handle_debug_mode_generic_set, handlers), (void *)G_DEBUG_HANDLERS);
+	BLI_argsAdd(ba, 1, NULL, "--debug-wm",
+	            CB_EX(arg_handle_debug_mode_generic_set, wm), (void *)G_DEBUG_WM);
+	BLI_argsAdd(ba, 1, NULL, "--debug-all",
+	            CB_EX(arg_handle_debug_mode_generic_set, all), (void *)G_DEBUG_ALL);
+
+	BLI_argsAdd(ba, 1, NULL, "--debug-fpe",
+	            CB(arg_handle_debug_fpe_set), NULL);
+
+#ifdef WITH_LIBMV
+	BLI_argsAdd(ba, 1, NULL, "--debug-libmv", CB(arg_handle_debug_mode_libmv), NULL);
+#endif
+#ifdef WITH_CYCLES_LOGGING
+	BLI_argsAdd(ba, 1, NULL, "--debug-cycles", CB(arg_handle_debug_mode_cycles), NULL);
+#endif
+	BLI_argsAdd(ba, 1, NULL, "--debug-memory", CB(arg_handle_debug_mode_memory_set), NULL);
+
+	BLI_argsAdd(ba, 1, NULL, "--debug-value",
+	            CB(arg_handle_debug_value_set), NULL);
+	BLI_argsAdd(ba, 1, NULL, "--debug-jobs",
+	            CB_EX(arg_handle_debug_mode_generic_set, jobs), (void *)G_DEBUG_JOBS);
+	BLI_argsAdd(ba, 1, NULL, "--debug-gpu",
+	            CB_EX(arg_handle_debug_mode_generic_set, gpu), (void *)G_DEBUG_GPU);
+	BLI_argsAdd(ba, 1, NULL, "--debug-depsgraph",
+	            CB_EX(arg_handle_debug_mode_generic_set, depsgraph), (void *)G_DEBUG_DEPSGRAPH);
+	BLI_argsAdd(ba, 1, NULL, "--debug-depsgraph-no-threads",
+	            CB_EX(arg_handle_debug_mode_generic_set, depsgraph_no_threads), (void *)G_DEBUG_DEPSGRAPH_NO_THREADS);
+	BLI_argsAdd(ba, 1, NULL, "--debug-gpumem",
+	            CB_EX(arg_handle_debug_mode_generic_set, gpumem), (void *)G_DEBUG_GPU_MEM);
+
+	BLI_argsAdd(ba, 1, NULL, "--enable-new-depsgraph", CB(arg_handle_depsgraph_use_new), NULL);
+
+	BLI_argsAdd(ba, 1, NULL, "--verbose", CB(arg_handle_verbosity_set), NULL);
+
+	BLI_argsAdd(ba, 1, NULL, "--factory-startup", CB(arg_handle_factory_startup_set), NULL);
+
+	/* TODO, add user env vars? */
+	BLI_argsAdd(ba, 1, NULL, "--env-system-datafiles", CB_EX(arg_handle_env_system_set, datafiles), NULL);
+	BLI_argsAdd(ba, 1, NULL, "--env-system-scripts", CB_EX(arg_handle_env_system_set, scripts), NULL);
+	BLI_argsAdd(ba, 1, NULL, "--env-system-python", CB_EX(arg_handle_env_system_set, python), NULL);
+
+	/* second pass: custom window stuff */
+	BLI_argsAdd(ba, 2, "-p", "--window-geometry", CB(arg_handle_window_geometry), NULL);
+	BLI_argsAdd(ba, 2, "-w", "--window-border", CB(arg_handle_with_borders), NULL);
+	BLI_argsAdd(ba, 2, "-W", "--window-borderless", CB(arg_handle_without_borders), NULL);
+	BLI_argsAdd(ba, 2, "-con", "--start-console", CB(arg_handle_start_with_console), NULL);
+	BLI_argsAdd(ba, 2, "-R", NULL, CB(arg_handle_register_extension), NULL);
+	BLI_argsAdd(ba, 2, "-r", NULL, CB_EX(arg_handle_register_extension, silent), ba);
+	BLI_argsAdd(ba, 2, NULL, "--no-native-pixels", CB(arg_handle_native_pixels_set), ba);
+
+	/* third pass: disabling things and forcing settings */
+	BLI_argsAddCase(ba, 3, "-nojoystick", 1, NULL, 0, CB(arg_handle_joystick_disable), syshandle);
+	BLI_argsAddCase(ba, 3, "-noglsl", 1, NULL, 0, CB(arg_handle_glsl_disable), NULL);
+	BLI_argsAddCase(ba, 3, "-noaudio", 1, NULL, 0, CB(arg_handle_audio_disable), NULL);
+	BLI_argsAddCase(ba, 3, "-setaudio", 1, NULL, 0, CB(arg_handle_audio_set), NULL);
+
+	/* fourth pass: processing arguments */
+	BLI_argsAdd(ba, 4, "-g", NULL, CB(arg_handle_ge_parameters_set), syshandle);
+	BLI_argsAdd(ba, 4, "-f", "--render-frame", CB(arg_handle_render_frame), C);
+	BLI_argsAdd(ba, 4, "-a", "--render-anim", CB(arg_handle_render_animation), C);
+	BLI_argsAdd(ba, 4, "-S", "--scene", CB(arg_handle_scene_set), C);
+	BLI_argsAdd(ba, 4, "-s", "--frame-start", CB(arg_handle_frame_start_set), C);
+	BLI_argsAdd(ba, 4, "-e", "--frame-end", CB(arg_handle_frame_end_set), C);
+	BLI_argsAdd(ba, 4, "-j", "--frame-jump", CB(arg_handle_frame_skip_set), C);
+	BLI_argsAdd(ba, 4, "-P", "--python", CB(arg_handle_python_file_run), C);
+	BLI_argsAdd(ba, 4, NULL, "--python-text", CB(arg_handle_python_text_run), C);
+	BLI_argsAdd(ba, 4, NULL, "--python-expr", CB(arg_handle_python_expr_run), C);
+	BLI_argsAdd(ba, 4, NULL, "--python-console", CB(arg_handle_python_console_run), C);
+	BLI_argsAdd(ba, 4, NULL, "--python-exit-code", CB(arg_handle_python_exit_code_set), NULL);
+	BLI_argsAdd(ba, 4, NULL, "--addons", CB(arg_handle_addons_set), C);
+
+	BLI_argsAdd(ba, 4, "-o", "--render-output", CB(arg_handle_output_set), C);
+	BLI_argsAdd(ba, 4, "-E", "--engine", CB(arg_handle_engine_set), C);
+
+	BLI_argsAdd(ba, 4, "-F", "--render-format", CB(arg_handle_image_type_set), C);
+	BLI_argsAdd(ba, 4, "-t", "--threads", CB(arg_handle_threads_set), NULL);
+	BLI_argsAdd(ba, 4, "-x", "--use-extension", CB(arg_handle_extension_set), C);
+
+#undef CB
+#undef CB_EX
+
+}
+
+/**
+ * Needs to be added separately.
+ */
+void main_args_setup_post(bContext *C, bArgs *ba)
+{
+	BLI_argsParse(ba, 4, arg_handle_load_file, C);
+}
+
+/** \} */
+
+#endif /* WITH_PYTHON_MODULE */
diff --git a/source/creator/creator_intern.h b/source/creator/creator_intern.h
new file mode 100644
index 00000000000..a972a926677
--- /dev/null
+++ b/source/creator/creator_intern.h
@@ -0,0 +1,95 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+#ifndef __CREATOR_INTERN_H__
+#define __CREATOR_INTERN_H__
+
+/** \file creator/creator_intern.h
+ *  \ingroup creator
+ *
+ * Functionality for main() initialization.
+ */
+
+struct bArgs;
+struct bContext;
+
+#ifndef WITH_PYTHON_MODULE
+
+/* creator_args.c */
+void main_args_setup(struct bContext *C, struct bArgs *ba, SYS_SystemHandle *syshandle);
+void main_args_setup_post(struct bContext *C, struct bArgs *ba);
+
+
+/* creator_signals.c */
+void main_signal_setup(void);
+void main_signal_setup_background(void);
+void main_signal_setup_fpe(void);
+
+#endif  /* WITH_PYTHON_MODULE */
+
+
+/* Shared data for argument handlers to store state in */
+struct ApplicationState {
+	struct {
+		bool use_crash_handler;
+		bool use_abort_handler;
+	} signal;
+
+	/* we may want to set different exit codes for other kinds of errors */
+	struct {
+		unsigned char python;
+	} exit_code_on_error;
+
+};
+extern struct ApplicationState app_state;  /* creator.c */
+
+/* for the callbacks: */
+#ifndef WITH_PYTHON_MODULE
+#define BLEND_VERSION_FMT         "Blender %d.%02d (sub %d)"
+#define BLEND_VERSION_ARG         BLENDER_VERSION / 100, BLENDER_VERSION % 100, BLENDER_SUBVERSION
+/* pass directly to printf */
+#define BLEND_VERSION_STRING_FMT  BLEND_VERSION_FMT "\n", BLEND_VERSION_ARG
+#endif
+
+#ifdef WITH_BUILDINFO_HEADER
+#  define BUILD_DATE
+#endif
+
+/* from buildinfo.c */
+#ifdef BUILD_DATE
+ extern char build_date[];
+extern char build_time[];
+extern char build_hash[];
+extern unsigned long build_commit_timestamp;
+
+/* TODO(sergey): ideally size need to be in sync with buildinfo.c */
+extern char build_commit_date[16];
+extern char build_commit_time[16];
+
+extern char build_branch[];
+extern char build_platform[];
+extern char build_type[];
+extern char build_cflags[];
+extern char build_cxxflags[];
+extern char build_linkflags[];
+extern char build_system[];
+#endif
+
+#endif  /* __CREATOR_INTERN_H__ */
diff --git a/source/creator/creator_signals.c b/source/creator/creator_signals.c
new file mode 100644
index 00000000000..b25d7c56f6e
--- /dev/null
+++ b/source/creator/creator_signals.c
@@ -0,0 +1,328 @@
+/*
+ * ***** BEGIN GPL LICENSE BLOCK *****
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ *
+ * ***** END GPL LICENSE BLOCK *****
+ */
+
+/** \file creator/creator_signals.c
+ *  \ingroup creator
+ */
+
+#ifndef WITH_PYTHON_MODULE
+
+#if defined(__linux__) && defined(__GNUC__)
+#  define _GNU_SOURCE
+#  include <fenv.h>
+#endif
+
+#if (defined(__APPLE__) && (defined(__i386__) || defined(__x86_64__)))
+#  define OSX_SSE_FPE
+#  include <xmmintrin.h>
+#endif
+
+#ifdef WIN32
+#  if defined(_MSC_VER) && defined(_M_X64)
+#    include <math.h> /* needed for _set_FMA3_enable */
+#  endif
+#  include <windows.h>
+#  include <float.h>
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+
+#include "BLI_sys_types.h"
+
+#ifdef WIN32
+#  include "BLI_winstuff.h"
+#endif
+#include "BLI_utildefines.h"
+#include "BLI_string.h"
+#include "BLI_path_util.h"
+#include "BLI_fileops.h"
+#include "BLI_system.h"
+#include BLI_SYSTEM_PID_H
+
+#include "BKE_appdir.h"  /* BKE_tempdir_base */
+#include "BKE_blender.h"
+#include "BKE_global.h"
+#include "BKE_main.h"
+#include "BKE_report.h"
+
+/* for passing information between creator and gameengine */
+#ifdef WITH_GAMEENGINE
+#  include "BL_System.h"
+#else /* dummy */
+#  define SYS_SystemHandle int
+#endif
+
+#include <signal.h>
+
+#include "creator_intern.h"  /* own include */
+
+/* set breakpoints here when running in debug mode, useful to catch floating point errors */
+#if defined(__linux__) || defined(_WIN32) || defined(OSX_SSE_FPE)
+static void sig_handle_fpe(int UNUSED(sig))
+{
+	fprintf(stderr, "debug: SIGFPE trapped\n");
+}
+#endif
+
+/* handling ctrl-c event in console */
+#if !defined(WITH_HEADLESS)
+static void sig_handle_blender_esc(int sig)
+{
+	static int count = 0;
+
+	G.is_break = true;  /* forces render loop to read queue, not sure if its needed */
+
+	if (sig == 2) {
+		if (count) {
+			printf("\nBlender killed\n");
+			exit(2);
+		}
+		printf("\nSent an internal break event. Press ^C again to kill Blender\n");
+		count++;
+	}
+}
+#endif
+
+static void sig_handle_crash_backtrace(FILE *fp)
+{
+	fputs("\n# backtrace\n", fp);
+	BLI_system_backtrace(fp);
+}
+
+static void sig_handle_crash(int signum)
+{
+
+#if 0
+	{
+		char fname[FILE_MAX];
+
+		if (!G.main->name[0]) {
+			BLI_make_file_string("/", fname, BKE_tempdir_base(), "crash.blend");
+		}
+		else {
+			BLI_strncpy(fname, G.main->name, sizeof(fname));
+			BLI_replace_extension(fname, sizeof(fname), ".crash.blend");
+		}
+
+		printf("Writing: %s\n", fname);
+		fflush(stdout);
+
+		BKE_undo_save_file(fname);
+	}
+#endif
+
+	FILE *fp;
+	char header[512];
+	wmWindowManager *wm = G.main->wm.first;
+
+	char fname[FILE_MAX];
+
+	if (!G.main->name[0]) {
+		BLI_join_dirfile(fname, sizeof(fname), BKE_tempdir_base(), "blender.crash.txt");
+	}
+	else {
+		BLI_join_dirfile(fname, sizeof(fname), BKE_tempdir_base(), BLI_path_basename(G.main->name));
+		BLI_replace_extension(fname, sizeof(fname), ".crash.txt");
+	}
+
+	printf("Writing: %s\n", fname);
+	fflush(stdout);
+
+#ifndef BUILD_DATE
+	BLI_snprintf(header, sizeof(header), "# " BLEND_VERSION_FMT ", Unknown revision\n", BLEND_VERSION_ARG);
+#else
+	BLI_snprintf(header, sizeof(header), "# " BLEND_VERSION_FMT ", Commit date: %s %s, Hash %s\n",
+	             BLEND_VERSION_ARG, build_commit_date, build_commit_time, build_hash);
+#endif
+
+	/* open the crash log */
+	errno = 0;
+	fp = BLI_fopen(fname, "wb");
+	if (fp == NULL) {
+		fprintf(stderr, "Unable to save '%s': %s\n",
+		        fname, errno ? strerror(errno) : "Unknown error opening file");
+	}
+	else {
+		if (wm) {
+			BKE_report_write_file_fp(fp, &wm->reports, header);
+		}
+
+		sig_handle_crash_backtrace(fp);
+
+		fclose(fp);
+	}
+
+	/* Delete content of temp dir! */
+	BKE_tempdir_session_purge();
+
+	/* really crash */
+	signal(signum, SIG_DFL);
+#ifndef WIN32
+	kill(getpid(), signum);
+#else
+	TerminateProcess(GetCurrentProcess(), signum);
+#endif
+}
+
+#ifdef WIN32
+LONG WINAPI windows_exception_handler(EXCEPTION_POINTERS *ExceptionInfo)
+{
+	switch (ExceptionInfo->ExceptionRecord->ExceptionCode) {
+		case EXCEPTION_ACCESS_VIOLATION:
+			fputs("Error: EXCEPTION_ACCESS_VIOLATION\n", stderr);
+			break;
+		case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
+			fputs("Error: EXCEPTION_ARRAY_BOUNDS_EXCEEDED\n", stderr);
+			break;
+		case EXCEPTION_BREAKPOINT:
+			fputs("Error: EXCEPTION_BREAKPOINT\n", stderr);
+			break;
+		case EXCEPTION_DATATYPE_MISALIGNMENT:
+			fputs("Error: EXCEPTION_DATATYPE_MISALIGNMENT\n", stderr);
+			break;
+		case EXCEPTION_FLT_DENORMAL_OPERAND:
+			fputs("Error: EXCEPTION_FLT_DENORMAL_OPERAND\n", stderr);
+			break;
+		case EXCEPTION_FLT_DIVIDE_BY_ZERO:
+			fputs("Error: EXCEPTION_FLT_DIVIDE_BY_ZERO\n", stderr);
+			break;
+		case EXCEPTION_FLT_INEXACT_RESULT:
+			fputs("Error: EXCEPTION_FLT_INEXACT_RESULT\n", stderr);
+			break;
+		case EXCEPTION_FLT_INVALID_OPERATION:
+			fputs("Error: EXCEPTION_FLT_INVALID_OPERATION\n", stderr);
+			break;
+		case EXCEPTION_FLT_OVERFLOW:
+			fputs("Error: EXCEPTION_FLT_OVERFLOW\n", stderr);
+			break;
+		case EXCEPTION_FLT_STACK_CHECK:
+			fputs("Error: EXCEPTION_FLT_STACK_CHECK\n", stderr);
+			break;
+		case EXCEPTION_FLT_UNDERFLOW:
+			fputs("Error: EXCEPTION_FLT_UNDERFLOW\n", stderr);
+			break;
+		case EXCEPTION_ILLEGAL_INSTRUCTION:
+			fputs("Error: EXCEPTION_ILLEGAL_INSTRUCTION\n", stderr);
+			break;
+		case EXCEPTION_IN_PAGE_ERROR:
+			fputs("Error: EXCEPTION_IN_PAGE_ERROR\n", stderr);
+			break;
+		case EXCEPTION_INT_DIVIDE_BY_ZERO:
+			fputs("Error: EXCEPTION_INT_DIVIDE_BY_ZERO\n", stderr);
+			break;
+		case EXCEPTION_INT_OVERFLOW:
+			fputs("Error: EXCEPTION_INT_OVERFLOW\n", stderr);
+			break;
+		case EXCEPTION_INVALID_DISPOSITION:
+			fputs("Error: EXCEPTION_INVALID_DISPOSITION\n", stderr);
+			break;
+		case EXCEPTION_NONCONTINUABLE_EXCEPTION:
+			fputs("Error: EXCEPTION_NONCONTINUABLE_EXCEPTION\n", stderr);
+			break;
+		case EXCEPTION_PRIV_INSTRUCTION:
+			fputs("Error: EXCEPTION_PRIV_INSTRUCTION\n", stderr);
+			break;
+		case EXCEPTION_SINGLE_STEP:
+			fputs("Error: EXCEPTION_SINGLE_STEP\n", stderr);
+			break;
+		case EXCEPTION_STACK_OVERFLOW:
+			fputs("Error: EXCEPTION_STACK_OVERFLOW\n", stderr);
+			break;
+		default:
+			fputs("Error: Unrecognized Exception\n", stderr);
+			break;
+	}
+
+	fflush(stderr);
+
+	/* If this is a stack overflow then we can't walk the stack, so just show
+	 * where the error happened */
+	if (EXCEPTION_STACK_OVERFLOW != ExceptionInfo->ExceptionRecord->ExceptionCode) {
+#ifdef NDEBUG
+		TerminateProcess(GetCurrentProcess(), SIGSEGV);
+#else
+		sig_handle_crash(SIGSEGV);
+#endif
+	}
+
+	return EXCEPTION_EXECUTE_HANDLER;
+}
+#endif
+
+static void sig_handle_abort(int UNUSED(signum))
+{
+	/* Delete content of temp dir! */
+	BKE_tempdir_session_purge();
+}
+
+
+void main_signal_setup(void)
+{
+	if (app_state.signal.use_crash_handler) {
+#ifdef WIN32
+		SetUnhandledExceptionFilter(windows_exception_handler);
+#else
+		/* after parsing args */
+		signal(SIGSEGV, sig_handle_crash);
+#endif
+	}
+
+	if (app_state.signal.use_abort_handler) {
+		signal(SIGABRT, sig_handle_abort);
+	}
+}
+
+void main_signal_setup_background(void)
+{
+	/* for all platforms, even windos has it! */
+	BLI_assert(G.background);
+
+#if !defined(WITH_HEADLESS)
+	signal(SIGINT, sig_handle_blender_esc);  /* ctrl c out bg render */
+#endif
+}
+
+
+void main_signal_setup_fpe(void)
+{
+#if defined(__linux__) || defined(_WIN32) || defined(OSX_SSE_FPE)
+	/* zealous but makes float issues a heck of a lot easier to find!
+	 * set breakpoints on sig_handle_fpe */
+	signal(SIGFPE, sig_handle_fpe);
+
+# if defined(__linux__) && defined(__GNUC__)
+	feenableexcept(FE_DIVBYZERO | FE_INVALID | FE_OVERFLOW);
+# endif /* defined(__linux__) && defined(__GNUC__) */
+# if defined(OSX_SSE_FPE)
+	/* OSX uses SSE for floating point by default, so here
+	 * use SSE instructions to throw floating point exceptions */
+	_MM_SET_EXCEPTION_MASK(_MM_MASK_MASK & ~
+	                       (_MM_MASK_OVERFLOW | _MM_MASK_INVALID | _MM_MASK_DIV_ZERO));
+# endif /* OSX_SSE_FPE */
+# if defined(_WIN32) && defined(_MSC_VER)
+	_controlfp_s(NULL, 0, _MCW_EM); /* enables all fp exceptions */
+	_controlfp_s(NULL, _EM_DENORMAL | _EM_UNDERFLOW | _EM_INEXACT, _MCW_EM); /* hide the ones we don't care about */
+# endif /* _WIN32 && _MSC_VER */
+#endif
+}
+
+#endif  /* WITH_PYTHON_MODULE */
\ No newline at end of file