* Makefile.in: Build wincap.o.

        * wincap.cc: New file.
        * wincap.h: Ditto.
        * autoload.cc: Add dynamic load statement for `CreateHardLinkA'.
        * dcrt0.cc (os_being_run): Eliminated.
        (osname): Ditto.
        (iswinnt): Ditto.
        (set_os_type): Ditto.
        (dll_crt0_1): Call wincap.init() instead of set_os_type().
        (_dll_crt0): Ditto.
        * environ.cc (set_chunksize): New function.
        (parse_thing): `forkchunk' setting now invokes function `set_chunksize'.
        * fork.cc (chunksize): Eliminated. Moved to be member of wincap.
        * host_dependent.h: Removed.
        * syscalls.cc (_link): Try using `CreateHardLinkA' first, if available.
        * cygheap.cc, dcrt0.cc, delqueue.cc, dir.cc,
        environ.cc, fhandler.cc, fhandler.h, fhandler_console.cc,
        fhandler_mem.cc, fork.cc, mmap.cc, net.cc, pinfo.cc, pinfo.h,
        security.cc, syscalls.cc, sysconf.cc, syslog.cc, thread.cc,
        times.cc, tty.cc, uinfo.cc, uname.cc, winsup.h: Use new wincap
        capability check throughout.
        * winsup.h: Include wincap.h. Eliminate extern declarations of
        `os_being_run' and `iswinnt'. Eliminate `os_type" definition.
        * include/cygwin/version.h: Bump version to 1.3.4.

1 files changed, 462 insertions, 0 deletions

diff --git a/winsup/cygwin/wincap.cc b/winsup/cygwin/wincap.cc
new file mode 100644
index 000000000..208f08972
--- /dev/null
+++ b/winsup/cygwin/wincap.cc
@@ -0,0 +1,462 @@
+/* wincap.cc -- figure out on which OS we're running. Set the
+		capability class to the appropriate values.
+
+   Copyright 2001 Red Hat, Inc.
+
+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. */
+
+#include "winsup.h"
+
+static wincaps wincap_unknown = {
+  lock_file_highword:0x0,
+  chunksize:0x0,
+  shared:FILE_SHARE_READ | FILE_SHARE_WRITE,
+  is_winnt:false,
+  access_denied_on_delete:false,
+  has_delete_on_close:false,
+  has_page_guard:false,
+  has_security:false,
+  has_security_descriptor_control:false,
+  has_get_process_times:false,
+  has_specific_access_rights:false,
+  has_lseek_bug:false,
+  has_lock_file_ex:false,
+  has_signal_object_and_wait:false,
+  has_eventlog:false,
+  has_ip_helper_lib:false,
+  has_set_handle_information:false,
+  supports_smp:false,
+  map_view_of_file_ex_sucks:false,
+  altgr_is_ctrl_alt:false,
+  has_physical_mem_access:false,
+  has_working_copy_on_write:false,
+  share_mmaps_only_by_name:false,
+  virtual_protect_works_on_shared_pages:false,
+  has_hard_links:false,
+  can_open_directories:false,
+  has_move_file_ex:false,
+  has_negative_pids:false,
+  has_unreliable_pipes:false,
+  has_try_enter_critical_section:false,
+};
+
+static wincaps wincap_95 = {
+  lock_file_highword:0x0,
+  chunksize:32 * 1024 * 1024,
+  shared:FILE_SHARE_READ | FILE_SHARE_WRITE,
+  is_winnt:false,
+  access_denied_on_delete:true,
+  has_delete_on_close:false,
+  has_page_guard:false,
+  has_security:false,
+  has_security_descriptor_control:false,
+  has_get_process_times:false,
+  has_specific_access_rights:false,
+  has_lseek_bug:true,
+  has_lock_file_ex:false,
+  has_signal_object_and_wait:false,
+  has_eventlog:false,
+  has_ip_helper_lib:false,
+  has_set_handle_information:false,
+  supports_smp:false,
+  map_view_of_file_ex_sucks:true,
+  altgr_is_ctrl_alt:false,
+  has_physical_mem_access:false,
+  has_working_copy_on_write:false,
+  share_mmaps_only_by_name:true,
+  virtual_protect_works_on_shared_pages:false,
+  has_hard_links:false,
+  can_open_directories:false,
+  has_move_file_ex:false,
+  has_negative_pids:true,
+  has_unreliable_pipes:true,
+  has_try_enter_critical_section:false,
+};
+
+static wincaps wincap_95osr2 = {
+  lock_file_highword:0x0,
+  chunksize:32 * 1024 * 1024,
+  shared:FILE_SHARE_READ | FILE_SHARE_WRITE,
+  is_winnt:false,
+  access_denied_on_delete:true,
+  has_delete_on_close:false,
+  has_page_guard:false,
+  has_security:false,
+  has_security_descriptor_control:false,
+  has_get_process_times:false,
+  has_specific_access_rights:false,
+  has_lseek_bug:true,
+  has_lock_file_ex:false,
+  has_signal_object_and_wait:false,
+  has_eventlog:false,
+  has_ip_helper_lib:false,
+  has_set_handle_information:false,
+  supports_smp:false,
+  map_view_of_file_ex_sucks:true,
+  altgr_is_ctrl_alt:false,
+  has_physical_mem_access:false,
+  has_working_copy_on_write:false,
+  share_mmaps_only_by_name:true,
+  virtual_protect_works_on_shared_pages:false,
+  has_hard_links:false,
+  can_open_directories:false,
+  has_move_file_ex:false,
+  has_negative_pids:true,
+  has_unreliable_pipes:true,
+  has_try_enter_critical_section:false,
+};
+
+static wincaps wincap_98 = {
+  lock_file_highword:0x0,
+  chunksize:32 * 1024 * 1024,
+  shared:FILE_SHARE_READ | FILE_SHARE_WRITE,
+  is_winnt:false,
+  access_denied_on_delete:true,
+  has_delete_on_close:false,
+  has_page_guard:false,
+  has_security:false,
+  has_security_descriptor_control:false,
+  has_get_process_times:false,
+  has_specific_access_rights:false,
+  has_lseek_bug:true,
+  has_lock_file_ex:false,
+  has_signal_object_and_wait:false,
+  has_eventlog:false,
+  has_ip_helper_lib:true,
+  has_set_handle_information:false,
+  supports_smp:false,
+  map_view_of_file_ex_sucks:true,
+  altgr_is_ctrl_alt:false,
+  has_physical_mem_access:false,
+  has_working_copy_on_write:false,
+  share_mmaps_only_by_name:true,
+  virtual_protect_works_on_shared_pages:false,
+  has_hard_links:false,
+  can_open_directories:false,
+  has_move_file_ex:false,
+  has_negative_pids:true,
+  has_unreliable_pipes:true,
+  has_try_enter_critical_section:false,
+};
+
+static wincaps wincap_98se = {
+  lock_file_highword:0x0,
+  chunksize:32 * 1024 * 1024,
+  shared:FILE_SHARE_READ | FILE_SHARE_WRITE,
+  is_winnt:false,
+  access_denied_on_delete:true,
+  has_delete_on_close:false,
+  has_page_guard:false,
+  has_security:false,
+  has_security_descriptor_control:false,
+  has_get_process_times:false,
+  has_specific_access_rights:false,
+  has_lseek_bug:true,
+  has_lock_file_ex:false,
+  has_signal_object_and_wait:false,
+  has_eventlog:false,
+  has_ip_helper_lib:true,
+  has_set_handle_information:false,
+  supports_smp:false,
+  map_view_of_file_ex_sucks:true,
+  altgr_is_ctrl_alt:false,
+  has_physical_mem_access:false,
+  has_working_copy_on_write:false,
+  share_mmaps_only_by_name:true,
+  virtual_protect_works_on_shared_pages:false,
+  has_hard_links:false,
+  can_open_directories:false,
+  has_move_file_ex:false,
+  has_negative_pids:true,
+  has_unreliable_pipes:true,
+  has_try_enter_critical_section:false,
+};
+
+static wincaps wincap_me = {
+  lock_file_highword:0x0,
+  chunksize:32 * 1024 * 1024,
+  shared:FILE_SHARE_READ | FILE_SHARE_WRITE,
+  is_winnt:false,
+  access_denied_on_delete:true,
+  has_delete_on_close:false,
+  has_page_guard:false,
+  has_security:false,
+  has_security_descriptor_control:false,
+  has_get_process_times:false,
+  has_specific_access_rights:false,
+  has_lseek_bug:true,
+  has_lock_file_ex:false,
+  has_signal_object_and_wait:false,
+  has_eventlog:false,
+  has_ip_helper_lib:true,
+  has_set_handle_information:false,
+  supports_smp:false,
+  map_view_of_file_ex_sucks:true,
+  altgr_is_ctrl_alt:false,
+  has_physical_mem_access:false,
+  has_working_copy_on_write:false,
+  share_mmaps_only_by_name:true,
+  virtual_protect_works_on_shared_pages:false,
+  has_hard_links:false,
+  can_open_directories:false,
+  has_move_file_ex:false,
+  has_negative_pids:true,
+  has_unreliable_pipes:true,
+  has_try_enter_critical_section:false,
+};
+
+static wincaps wincap_nt3 = {
+  lock_file_highword:0xffffffff,
+  chunksize:0,
+  shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
+  is_winnt:true,
+  access_denied_on_delete:false,
+  has_delete_on_close:true,
+  has_page_guard:true,
+  has_security:true,
+  has_security_descriptor_control:false,
+  has_get_process_times:true,
+  has_specific_access_rights:true,
+  has_lseek_bug:false,
+  has_lock_file_ex:true,
+  has_signal_object_and_wait:false,
+  has_eventlog:true,
+  has_ip_helper_lib:false,
+  has_set_handle_information:true,
+  supports_smp:false,
+  map_view_of_file_ex_sucks:false,
+  altgr_is_ctrl_alt:true,
+  has_physical_mem_access:true,
+  has_working_copy_on_write:true,
+  share_mmaps_only_by_name:false,
+  virtual_protect_works_on_shared_pages:true,
+  has_hard_links:true,
+  can_open_directories:true,
+  has_move_file_ex:true,
+  has_negative_pids:false,
+  has_unreliable_pipes:false,
+  has_try_enter_critical_section:false,
+};
+
+static wincaps wincap_nt4 = {
+  lock_file_highword:0xffffffff,
+  chunksize:0,
+  shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
+  is_winnt:true,
+  access_denied_on_delete:false,
+  has_delete_on_close:true,
+  has_page_guard:true,
+  has_security:true,
+  has_security_descriptor_control:false,
+  has_get_process_times:true,
+  has_specific_access_rights:true,
+  has_lseek_bug:false,
+  has_lock_file_ex:true,
+  has_signal_object_and_wait:true,
+  has_eventlog:true,
+  has_ip_helper_lib:false,
+  has_set_handle_information:true,
+  supports_smp:true,
+  map_view_of_file_ex_sucks:false,
+  altgr_is_ctrl_alt:true,
+  has_physical_mem_access:true,
+  has_working_copy_on_write:true,
+  share_mmaps_only_by_name:false,
+  virtual_protect_works_on_shared_pages:true,
+  has_hard_links:true,
+  can_open_directories:true,
+  has_move_file_ex:true,
+  has_negative_pids:false,
+  has_unreliable_pipes:false,
+  has_try_enter_critical_section:true,
+};
+
+static wincaps wincap_nt4sp4 = {
+  lock_file_highword:0xffffffff,
+  chunksize:0,
+  shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
+  is_winnt:true,
+  access_denied_on_delete:false,
+  has_delete_on_close:true,
+  has_page_guard:true,
+  has_security:true,
+  has_security_descriptor_control:false,
+  has_get_process_times:true,
+  has_specific_access_rights:true,
+  has_lseek_bug:false,
+  has_lock_file_ex:true,
+  has_signal_object_and_wait:true,
+  has_eventlog:true,
+  has_ip_helper_lib:true,
+  has_set_handle_information:true,
+  supports_smp:true,
+  map_view_of_file_ex_sucks:false,
+  altgr_is_ctrl_alt:true,
+  has_physical_mem_access:true,
+  has_working_copy_on_write:true,
+  share_mmaps_only_by_name:false,
+  virtual_protect_works_on_shared_pages:true,
+  has_hard_links:true,
+  can_open_directories:true,
+  has_move_file_ex:true,
+  has_negative_pids:false,
+  has_unreliable_pipes:false,
+  has_try_enter_critical_section:true,
+};
+
+static wincaps wincap_2000 = {
+  lock_file_highword:0xffffffff,
+  chunksize:0,
+  shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
+  is_winnt:true,
+  access_denied_on_delete:false,
+  has_delete_on_close:true,
+  has_page_guard:true,
+  has_security:true,
+  has_security_descriptor_control:true,
+  has_get_process_times:true,
+  has_specific_access_rights:true,
+  has_lseek_bug:false,
+  has_lock_file_ex:true,
+  has_signal_object_and_wait:true,
+  has_eventlog:true,
+  has_ip_helper_lib:true,
+  has_set_handle_information:true,
+  supports_smp:true,
+  map_view_of_file_ex_sucks:false,
+  altgr_is_ctrl_alt:true,
+  has_physical_mem_access:true,
+  has_working_copy_on_write:true,
+  share_mmaps_only_by_name:false,
+  virtual_protect_works_on_shared_pages:true,
+  has_hard_links:true,
+  can_open_directories:true,
+  has_move_file_ex:true,
+  has_negative_pids:false,
+  has_unreliable_pipes:false,
+  has_try_enter_critical_section:true,
+};
+
+static wincaps wincap_xp = {
+  lock_file_highword:0xffffffff,
+  chunksize:0,
+  shared:FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
+  is_winnt:true,
+  access_denied_on_delete:false,
+  has_delete_on_close:true,
+  has_page_guard:true,
+  has_security:true,
+  has_security_descriptor_control:true,
+  has_get_process_times:true,
+  has_specific_access_rights:true,
+  has_lseek_bug:false,
+  has_lock_file_ex:true,
+  has_signal_object_and_wait:true,
+  has_eventlog:true,
+  has_ip_helper_lib:true,
+  has_set_handle_information:true,
+  supports_smp:true,
+  map_view_of_file_ex_sucks:false,
+  altgr_is_ctrl_alt:true,
+  has_physical_mem_access:true,
+  has_working_copy_on_write:true,
+  share_mmaps_only_by_name:false,
+  virtual_protect_works_on_shared_pages:true,
+  has_hard_links:true,
+  can_open_directories:true,
+  has_move_file_ex:true,
+  has_negative_pids:false,
+  has_unreliable_pipes:false,
+  has_try_enter_critical_section:true,
+};
+
+wincapc NO_COPY wincap;
+
+void
+wincapc::init ()
+{
+  const char *os;
+
+  memset (&version, 0, sizeof version);
+  version.dwOSVersionInfoSize = sizeof version;
+  GetVersionEx (&version);
+
+  switch (version.dwPlatformId)
+    {
+      case VER_PLATFORM_WIN32_NT:
+	switch (version.dwMajorVersion)
+	  {
+	    case 3:
+	      os = "NT";
+	      caps = &wincap_nt3;
+	      break;
+	    case 4:
+	      os = "NT";
+	      if (strcmp (version.szCSDVersion, "Service Pack 4") < 0)
+	        caps = &wincap_nt4;
+	      else
+	        caps = &wincap_nt4sp4;
+	      break;
+	    case 5:
+	      if (version.dwMinorVersion == 0)
+	        {
+		  os = "NT";
+		  caps = &wincap_2000;
+		}
+	      else
+	        {
+		  os = "XP";
+		  caps = &wincap_xp;
+		}
+	      break;
+	    default:
+	      os = "??";
+	      caps = &wincap_unknown;
+	      break;
+	  }
+        break;
+      case VER_PLATFORM_WIN32_WINDOWS:
+	switch (version.dwMinorVersion)
+	  {
+	    case 0:
+	      os = "95";
+	      if (strchr(version.szCSDVersion, 'C'))
+		caps = &wincap_95osr2;
+	      else
+		caps = &wincap_95;
+	      break;
+	    case 10:
+	      os = "98";
+	      if (strchr(version.szCSDVersion, 'A'))
+	        caps = &wincap_98se;
+	      else
+	        caps = &wincap_98;
+	      break;
+	    case 90:
+	      os = "ME";
+	      caps = &wincap_me;
+	      break;
+	    default:
+	      os = "??";
+	      caps = &wincap_unknown;
+	      break;
+	  }
+        break;
+      default:
+        os = "??";
+	caps = &wincap_unknown;
+	break;
+    }
+  __small_sprintf (osnam, "%s-%d.%d", os, version.dwMajorVersion,
+		   version.dwMinorVersion);
+}
+
+void
+wincapc::set_chunksize (DWORD nchunksize)
+{
+  ((wincaps *)this->caps)->chunksize = nchunksize;
+}