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Diffstat (limited to 'winsup/cygwin/winsup.h')
| -rw-r--r-- | winsup/cygwin/winsup.h | 593 |
1 files changed, 0 insertions, 593 deletions
diff --git a/winsup/cygwin/winsup.h b/winsup/cygwin/winsup.h deleted file mode 100644 index 76688a743..000000000 --- a/winsup/cygwin/winsup.h +++ /dev/null @@ -1,593 +0,0 @@ -/* winsup.h: main Cygwin header file. - - Copyright 1996, 1997, 1998, 1999, 2000 Cygnus Solutions. - -This file is part of Cygwin. - -This software is a copyrighted work licensed under the terms of the -Cygwin license. Please consult the file "CYGWIN_LICENSE" for -details. */ - -#ifdef HAVE_CONFIG_H -# include "config.h" -#endif - -#define __INSIDE_CYGWIN__ - -#define alloca(x) __builtin_alloca (x) -#define strlen __builtin_strlen -#define strcpy __builtin_strcpy -#define memcpy __builtin_memcpy -#define memcmp __builtin_memcmp -#ifdef HAVE_BUILTIN_MEMSET -# define memset __builtin_memset -#endif - -#include <sys/types.h> -#include <sys/strace.h> -#include <sys/resource.h> -#include <setjmp.h> -#include <signal.h> -#include <string.h> - -#undef strchr -#define strchr cygwin_strchr -extern inline char * strchr(const char * s, int c) -{ -register char * __res; -__asm__ __volatile__( - "movb %%al,%%ah\n" - "1:\tmovb (%1),%%al\n\t" - "cmpb %%ah,%%al\n\t" - "je 2f\n\t" - "incl %1\n\t" - "testb %%al,%%al\n\t" - "jne 1b\n\t" - "xorl %1,%1\n" - "2:\tmovl %1,%0\n\t" - :"=a" (__res), "=r" (s) - :"0" (c), "1" (s)); -return __res; -} - -#include <windows.h> -#include <wincrypt.h> - -/* Used for runtime OS check/decisions. */ -enum os_type {winNT = 1, win95, win98, win32s, unknown}; -extern os_type os_being_run; - -/* Used to check if Cygwin DLL is dynamically loaded. */ -extern int dynamically_loaded; - -#include <cygwin/version.h> - -#define TITLESIZE 1024 -#define MAX_USER_NAME 20 -#define DEFAULT_UID 500 -#define DEFAULT_GID 544 - -/* status bit manipulation */ -#define __ISSETF(what, x, prefix) \ - ((what)->status & prefix##_##x) -#define __SETF(what, x, prefix) \ - ((what)->status |= prefix##_##x) -#define __CLEARF(what, x, prefix) \ - ((what)->status &= ~prefix##_##x) -#define __CONDSETF(n, what, x, prefix) \ - ((n) ? __SETF (what, x, prefix) : __CLEARF (what, x, prefix)) - -#include "thread.h" -#include "shared.h" - -extern HANDLE hMainThread; -extern HANDLE hMainProc; - -/* Now that pinfo has been defined, include... */ -#include "debug.h" -#include "sigproc.h" -#include "fhandler.h" -#include "path.h" -#include <sys/cygwin.h> - -/********************** Application Interface **************************/ - -/* This lives in the app and is initialized before jumping into the DLL. - It should only contain stuff which the user's process needs to see, or - which is needed before the user pointer is initialized, or is needed to - carry inheritance information from parent to child. Note that it cannot - be used to carry inheritance information across exec! - - Remember, this structure is linked into the application's executable. - Changes to this can invalidate existing executables, so we go to extra - lengths to avoid having to do it. - - When adding/deleting members, remember to adjust {public,internal}_reserved. - The size of the class shouldn't change [unless you really are prepared to - invalidate all existing executables]. The program does a check (using - SIZEOF_PER_PROCESS) to make sure you remember to make the adjustment. -*/ - -class per_process -{ - public: - char *initial_sp; - - /* The offset of these 3 values can never change. */ - /* magic_biscuit is the size of this class and should never change. */ - DWORD magic_biscuit; - DWORD dll_major; - DWORD dll_minor; - - struct _reent **impure_ptr_ptr; - char ***envptr; - - /* Used to point to the memory machine we should use. Usually these - point back into the dll, but they can be overridden by the user. */ - void *(*malloc)(size_t); - void (*free)(void *); - void *(*realloc)(void *, size_t); - - int *fmode_ptr; - - int (*main)(int, char **, char **); - void (**ctors)(void); - void (**dtors)(void); - - /* For fork */ - void *data_start; - void *data_end; - void *bss_start; - void *bss_end; - - void *(*calloc)(size_t, size_t); - /* For future expansion of values set by the app. */ - void *public_reserved[4]; - - /* The rest are *internal* to cygwin.dll. - Those that are here because we want the child to inherit the value from - the parent (which happens when bss is copied) are marked as such. */ - - /* non-zero of ctors have been run. Inherited from parent. */ - int run_ctors_p; - - /* These will be non-zero if the above (malloc,free,realloc) have been - overridden. */ - /* FIXME: not currently used */ - int __imp_malloc; - int __imp_free; - int __imp_realloc; - - /* Heap management. Inherited from parent. */ - void *heapbase; /* bottom of the heap */ - void *heapptr; /* current index into heap */ - void *heaptop; /* current top of heap */ - - HANDLE reserved1; /* unused */ - - /* Non-zero means the task was forked. The value is the pid. - Inherited from parent. */ - int forkee; - - HMODULE hmodule; - - DWORD api_major; /* API version that this program was */ - DWORD api_minor; /* linked with */ - /* For future expansion, so apps won't have to be relinked if we - add an item. */ -#ifdef _MT_SAFE - ResourceLocks *resourcelocks; - MTinterface *threadinterface; - void *internal_reserved[6]; -#else - void *internal_reserved[8]; -#endif -}; - -extern per_process *user_data; /* Pointer into application's static data */ - -/* We use the following to test that sizeof hasn't changed. When adding - or deleting members, insert fillers or use the reserved entries. - Do not change this value. */ -#define SIZEOF_PER_PROCESS (42 * 4) - -class hinfo -{ - fhandler_base **fds; - fhandler_base **fds_on_hold; - int first_fd_for_open; -public: - size_t size; - hinfo () {first_fd_for_open = 3;} - int vfork_child_dup (); - void vfork_parent_restore (); - fhandler_base *dup_worker (fhandler_base *oldfh); - int extend (int howmuch); - void fixup_after_fork (HANDLE parent); - fhandler_base *build_fhandler (int fd, DWORD dev, const char *name, - int unit = -1); - fhandler_base *build_fhandler (int fd, const char *name, HANDLE h); - int not_open (int n); - int find_unused_handle (int start); - int find_unused_handle () { return find_unused_handle (first_fd_for_open);} - void release (int fd); - void init_std_file_from_handle (int fd, HANDLE handle, DWORD access, const char *name); - int dup2 (int oldfd, int newfd); - int linearize_fd_array (unsigned char *buf, int buflen); - LPBYTE de_linearize_fd_array (LPBYTE buf); - fhandler_base *operator [](int fd) { return fds[fd]; } - select_record *select_read (int fd, select_record *s); - select_record *select_write (int fd, select_record *s); - select_record *select_except (int fd, select_record *s); -}; - -/******************* Host-dependent constants **********************/ -/* Portions of the cygwin DLL require special constants whose values - are dependent on the host system. Rather than dynamically - determine those values whenever they are required, initialize these - values once at process start-up. */ - -class host_dependent_constants -{ - public: - void init (void); - - /* Used by fhandler_disk_file::lock which needs a platform-specific - upper word value for locking entire files. */ - DWORD win32_upper; - - /* fhandler_base::open requires host dependent file sharing - attributes. */ - int shared; -}; - -extern host_dependent_constants host_dependent; - -/* Events/mutexes */ -extern HANDLE pinfo_mutex; -extern HANDLE title_mutex; - - - -/*************************** Per Thread ******************************/ - -#define PER_THREAD_FORK_CLEAR ((void *)0xffffffff) -class per_thread -{ - DWORD tls; - int clear_on_fork_p; -public: - per_thread (int forkval = 1) {tls = TlsAlloc (); clear_on_fork_p = forkval;} - DWORD get_tls () {return tls;} - int clear_on_fork () {return clear_on_fork_p;} - - virtual void *get () {return TlsGetValue (get_tls ());} - virtual size_t size () {return 0;} - virtual void set (void *s = NULL); - virtual void set (int n) {TlsSetValue (get_tls (), (void *)n);} - virtual void *create () - { - void *s = new char [size ()]; - memset (s, 0, size ()); - set (s); - return s; - } -}; - -class per_thread_waitq : public per_thread -{ -public: - per_thread_waitq () : per_thread (0) {} - void *get () {return (waitq *) this->per_thread::get ();} - void *create () {return (waitq *) this->per_thread::create ();} - size_t size () {return sizeof (waitq);} -}; - -struct vfork_save -{ - int pid; - jmp_buf j; - char **vfork_ebp; - char *caller_ebp; - char *retaddr; - int is_active () { return pid < 0; } -}; - -class per_thread_vfork : public per_thread -{ -public: - vfork_save *val () { return (vfork_save *) this->per_thread::get (); } - vfork_save *create () {return (vfork_save *) this->per_thread::create ();} - size_t size () {return sizeof (vfork_save);} -}; - -extern "C" { -struct signal_dispatch -{ - int arg; - void (*func) (int); - int sig; - int saved_errno; - DWORD ebp; - DWORD oldmask; - DWORD retaddr; - DWORD *retaddr_on_stack; -}; -}; - -struct per_thread_signal_dispatch : public per_thread -{ - signal_dispatch *get () { return (signal_dispatch *) this->per_thread::get (); } - signal_dispatch *create () {return (signal_dispatch *) this->per_thread::create ();} - size_t size () {return sizeof (signal_dispatch);} -}; - -extern per_thread_waitq waitq_storage; -extern per_thread_vfork vfork_storage; -extern per_thread_signal_dispatch signal_dispatch_storage; - -extern per_thread *threadstuff[]; - -/**************************** Convenience ******************************/ - -#define NO_COPY __attribute__((section(".data_cygwin_nocopy"))) - -/* Used when treating / and \ as equivalent. */ -#define SLASH_P(ch) \ - ({ \ - char __c = (ch); \ - ((__c) == '/' || (__c) == '\\'); \ - }) - -/* Convert a signal to a signal mask */ -#define SIGTOMASK(sig) (1<<((sig) - signal_shift_subtract)) -extern unsigned int signal_shift_subtract; - -#ifdef NOSTRACE -#define MARK() 0 -#else -#define MARK() mark (__FILE__,__LINE__) -#endif - -#define api_fatal(fmt, args...) \ - __api_fatal ("%P: *** " fmt, ## args) - -#undef issep -#define issep(ch) (strchr (" \t\n\r", (ch)) != NULL) - -#define isdirsep SLASH_P -#define isabspath(p) \ - (isdirsep (*(p)) || (isalpha (*(p)) && (p)[1] == ':')) - -/******************** Initialization/Termination **********************/ - -/* cygwin .dll initialization */ -void dll_crt0 (per_process *); - -/* dynamically loaded dll initialization */ -extern "C" int dll_dllcrt0 (HMODULE,per_process*); - -/* dynamically loaded dll initialization for non-cygwin apps */ -extern "C" int dll_noncygwin_dllcrt0 (HMODULE, per_process *); - -/* exit the program */ -extern "C" void __stdcall do_exit (int) __attribute__ ((noreturn)); - -/* Initialize the environment */ -void environ_init (int); - -/* Heap management. */ -void heap_init (void); -void malloc_init (void); - -/* fd table */ -void dtable_init (void); -void hinfo_init (void); -extern hinfo dtable; - -/* UID/GID */ -void uinfo_init (void); - -/* various events */ -void events_init (void); -void events_terminate (void); - -void __stdcall close_all_files (void); - -extern class strace strace; - -/* Invisible window initialization/termination. */ -HWND __stdcall gethwnd (void); -void __stdcall window_terminate (void); - -/* Globals that handle initialization of winsock in a child process. */ -extern HANDLE wsock32_handle; - -/* Globals that handle initialization of netapi in a child process. */ -extern HANDLE netapi32_handle; - -/* debug_on_trap support. see exceptions.cc:try_to_debug() */ -extern "C" void error_start_init (const char*); -extern "C" int try_to_debug (); - -/**************************** Miscellaneous ******************************/ - -const char * __stdcall find_exec (const char *name, path_conv& buf, const char *winenv = "PATH=", - int null_if_notfound = 0, const char **known_suffix = NULL); - -/* File manipulation */ -int __stdcall set_process_privileges (); -int __stdcall get_file_attribute (int, const char *, int *, - uid_t * = NULL, gid_t * = NULL); -int __stdcall set_file_attribute (int, const char *, int); -int __stdcall set_file_attribute (int, const char *, uid_t, gid_t, int, const char *); -void __stdcall set_std_handle (int); -int __stdcall writable_directory (const char *file); -int __stdcall stat_dev (DWORD, int, unsigned long, struct stat *); -extern BOOL allow_ntsec; - -/* `lookup_name' should be called instead of LookupAccountName. - * logsrv may be NULL, in this case only the local system is used for lookup. - * The buffer for ret_sid (40 Bytes) has to be allocated by the caller! */ -BOOL __stdcall lookup_name (const char *name, const char *logsrv, PSID ret_sid); - -unsigned long __stdcall hash_path_name (unsigned long hash, const char *name); -void __stdcall nofinalslash (const char *src, char *dst); -extern "C" char *__stdcall rootdir (char *full_path); - -void __stdcall mark (const char *, int); - -extern "C" int _spawnve (HANDLE hToken, int mode, const char *path, - const char *const *argv, const char *const *envp); -int __stdcall spawn_guts (HANDLE hToken, const char *prog_arg, - const char *const *argv, const char *const envp[], - pinfo *child, int mode); - -/* For mmaps across fork(). */ -int __stdcall recreate_mmaps_after_fork (void *); -void __stdcall set_child_mmap_ptr (pinfo *); - -/* String manipulation */ -char *__stdcall strccpy (char *s1, const char **s2, char c); -int __stdcall strcasematch (const char *s1, const char *s2); -int __stdcall strncasematch (const char *s1, const char *s2, size_t n); -char *__stdcall strcasestr (const char *searchee, const char *lookfor); - -/* Time related */ -void __stdcall totimeval (struct timeval *dst, FILETIME * src, int sub, int flag); -long __stdcall to_time_t (FILETIME * ptr); - -/* pinfo table manipulation */ -#ifndef lock_pinfo_for_update -int __stdcall lock_pinfo_for_update (DWORD timeout); -#endif -void unlock_pinfo (void); -pinfo *__stdcall set_myself (pinfo *); - -/* Retrieve a security descriptor that allows all access */ -SECURITY_DESCRIPTOR *__stdcall get_null_sd (void); - -int __stdcall get_id_from_sid (PSID, BOOL); -extern inline int get_uid_from_sid (PSID psid) { return get_id_from_sid (psid, FALSE);} -extern inline int get_gid_from_sid (PSID psid) { return get_id_from_sid (psid, TRUE); } - -int __stdcall NTReadEA (const char *file, const char *attrname, char *buf, int len); -BOOL __stdcall NTWriteEA (const char *file, const char *attrname, char *buf, int len); - -void __stdcall set_console_title (char *); -void set_console_handler (); - -void __stdcall fill_rusage (struct rusage *, HANDLE); -void __stdcall add_rusage (struct rusage *, struct rusage *); - -void set_winsock_errno (); - -/**************************** Exports ******************************/ - -extern "C" { -int cygwin_select (int , fd_set *, fd_set *, fd_set *, - struct timeval *to); -int cygwin_gethostname (char *__name, size_t __len); - -int kill_pgrp (pid_t, int); -int _kill (int, int); -int _raise (int sig); - -int getdtablesize (); -void setdtablesize (int); - -extern char _data_start__, _data_end__, _bss_start__, _bss_end__; -extern void (*__CTOR_LIST__) (void); -extern void (*__DTOR_LIST__) (void); -}; - -/*************************** Unsorted ******************************/ - -#define WM_ASYNCIO 0x8000 // WM_APP - -/* Note that MAX_PATH is defined in the windows headers */ -/* There is also PATH_MAX and MAXPATHLEN. - PATH_MAX is from Posix and does *not* include the trailing NUL. - MAXPATHLEN is from Unix. - - Thou shalt use MAX_PATH throughout. It avoids the NUL vs no-NUL - issue and is neither of the Unixy ones [so we can punt on which - one is the right one to use]. */ - -/* Initial and increment values for cygwin's fd table */ -#define NOFILE_INCR 32 - -#ifdef __cplusplus -extern "C" { -#endif -#include <sys/reent.h> - -#define STD_RBITS (S_IRUSR | S_IRGRP | S_IROTH) -#define STD_WBITS (S_IWUSR) -#define STD_XBITS (S_IXUSR | S_IXGRP | S_IXOTH) - -#define O_NOSYMLINK 0x080000 -#define O_DIROPEN 0x100000 - -#ifdef __cplusplus -} -#endif - -/*************************** Environment ******************************/ - -/* The structure below is used to control conversion to/from posix-style - * file specs. Currently, only PATH and HOME are converted, but PATH - * needs to use a "convert path list" function while HOME needs a simple - * "convert to posix/win32". For the simple case, where a calculated length - * is required, just return MAX_PATH. *FIXME* - */ -struct win_env - { - const char *name; - size_t namelen; - char *posix; - char *native; - int (*toposix) (const char *, char *); - int (*towin32) (const char *, char *); - int (*posix_len) (const char *); - int (*win32_len) (const char *); - void add_cache (const char *in_posix, const char *in_native = NULL); - const char * get_native () {return native ? native + namelen : NULL;} - }; - -win_env * __stdcall getwinenv (const char *name, const char *posix = NULL); - -char * __stdcall winenv (const char * const *, int); -extern char **__cygwin_environ; - -/* The title on program start. */ -extern char *old_title; -extern BOOL display_title; - - -/*************************** errno manipulation ******************************/ - -void seterrno_from_win_error (const char *file, int line, int code); -void seterrno (const char *, int line); - -#define __seterrno() seterrno (__FILE__, __LINE__) -#define __seterrno_from_win_error(val) seterrno_from_win_error (__FILE__, __LINE__, val) -#undef errno -#define errno dont_use_this_since_were_in_a_shared library -#define set_errno(val) (_impure_ptr->_errno = (val)) -#define get_errno() (_impure_ptr->_errno) -extern "C" void __stdcall set_sig_errno (int e); - -class save_errno - { - int saved; - public: - save_errno () {saved = get_errno ();} - save_errno (int what) {saved = get_errno (); set_errno (what); } - void set (int what) {set_errno (what); saved = what;} - void reset () {saved = get_errno ();} - ~save_errno () {set_errno (saved);} - }; - -extern const char *__sp_fn; -extern int __sp_ln; |