Merge from origin/emacs-25

[gnu-emacs] / nt / inc / ms-w32.h

diff --git a/nt/inc/ms-w32.h b/nt/inc/ms-w32.h
index e54ab87c7eb0a44ac0648ee3583665d24c048a0d..5fd54e2f926d8ba7e8cfd277057cb96c540395f3 100644 (file)
--- a/nt/inc/ms-w32.h
+++ b/nt/inc/ms-w32.h
@@ -1,13 +1,13 @@
 /* System description file for Windows NT.
 
-Copyright (C) 1993-1995, 2001-2014 Free Software Foundation, Inc.
+Copyright (C) 1993-1995, 2001-2016 Free Software Foundation, Inc.
 
 This file is part of GNU Emacs.
 
 GNU Emacs 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 3 of the License, or
-(at your option) any later version.
+the Free Software Foundation, either version 3 of the License, or (at
+your option) any later version.
 
 GNU Emacs is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -58,10 +58,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
    Look in <sys/time.h> for a timeval structure.  */
 #define HAVE_TIMEVAL 1
 
-/* But our select implementation doesn't allow us to make non-blocking
-   connects.  So until that is fixed, this is necessary:  */
-#define BROKEN_NON_BLOCKING_CONNECT 1
-
 /* And the select implementation does 1-byte read-ahead waiting
    for received packets, so datagrams are broken too.  */
 #define BROKEN_DATAGRAM_SOCKETS 1
@@ -189,7 +185,28 @@ extern struct tm * sys_localtime (const time_t *);
    supply the 2nd arg correctly, so don't use _setjmp directly in that
    case.  */
 #undef HAVE__SETJMP
+
+/* Unlike MS and mingw.org, MinGW64 doesn't define gai_strerror as an
+   inline function in a system header file, and instead seems to
+   require to link against ws2_32.a.  But we don't want to link with
+   -lws2_32, as that would make Emacs dependent on the respective DLL.
+   So MinGW64 is amply punished here by the following:  */
+#undef HAVE_GAI_STRERROR
+#endif
+
+/* The following is needed for recovery from C stack overflows.  */
+#include <setjmp.h>
+typedef jmp_buf sigjmp_buf;
+#ifdef MINGW_W64
+/* Evidently, MinGW64's longjmp crashes when invoked from an exception
+   handler, see https://sourceforge.net/p/mingw-w64/mailman/message/32421953/.
+   This seems to be an unsolved problem in the MinGW64 runtime.  So we
+   use the GCC intrinsics instead.  FIXME.  */
+#define sigsetjmp(j,m) __builtin_setjmp(j)
+#else
+#define sigsetjmp(j,m) setjmp(j)
 #endif
+extern void w32_reset_stack_overflow_guard (void);
 
 #ifdef _MSC_VER
 #include <sys/timeb.h>
@@ -310,18 +327,6 @@ int _getpid (void);
 #include <time.h>
 #define tzname    _tzname
 
-/* 'struct timespec' is used by time-related functions in lib/ and
-   elsewhere, but we don't use lib/time.h where the structure is
-   defined.  */
-/* MinGW64 defines 'struct timespec' and _TIMESPEC_DEFINED in sys/types.h.  */
-#ifndef _TIMESPEC_DEFINED
-struct timespec
-{
-  time_t       tv_sec;         /* seconds */
-  long int     tv_nsec;        /* nanoseconds */
-};
-#endif
-
 /* Required for functions in lib/time_r.c, since we don't use lib/time.h.  */
 extern struct tm *gmtime_r (time_t const * restrict, struct tm * restrict);
 extern struct tm *localtime_r (time_t const * restrict, struct tm * restrict);
@@ -459,6 +464,10 @@ extern void *malloc_after_dump(size_t);
 extern void *realloc_after_dump(void *, size_t);
 extern void free_after_dump(void *);
 
+extern void *malloc_after_dump_9x(size_t);
+extern void *realloc_after_dump_9x(void *, size_t);
+extern void free_after_dump_9x(void *);
+
 extern malloc_fn the_malloc_fn;
 extern realloc_fn the_realloc_fn;
 extern free_fn the_free_fn;
@@ -597,5 +606,7 @@ extern void _DebPrint (const char *fmt, ...);
 #endif
 #endif
 
+/* Event name for when emacsclient starts the Emacs daemon on Windows.  */
+#define W32_DAEMON_EVENT "EmacsServerEvent"
 
 /* ============================================================ */