root/nt/inc/ms-w32.h

INCLUDED FROM

     1 /* System description file for Windows NT.
     2 
     3 Copyright (C) 1993-1995, 2001-2023 Free Software Foundation, Inc.
     4 
     5 This file is part of GNU Emacs.
     6 
     7 GNU Emacs is free software: you can redistribute it and/or modify
     8 it under the terms of the GNU General Public License as published by
     9 the Free Software Foundation, either version 3 of the License, or (at
    10 your option) any later version.
    11 
    12 GNU Emacs is distributed in the hope that it will be useful,
    13 but WITHOUT ANY WARRANTY; without even the implied warranty of
    14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    15 GNU General Public License for more details.
    16 
    17 You should have received a copy of the GNU General Public License
    18 along with GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.  */
    19 
    20 /* Define symbols to identify the version of Unix this is.
    21    Define all the symbols that apply correctly.  */
    22 
    23 #ifndef WINDOWSNT
    24 #define WINDOWSNT
    25 #endif
    26 
    27 #include <mingw_time.h>
    28 
    29 /* MinGW-w64 gcc does not automotically define a macro for
    30    differentiating it from MinGW gcc. We need to test the presence of
    31    __MINGW64_VERSION_MAJOR in _mingw.h: */
    32 #ifdef __MINGW32__
    33 # include <_mingw.h>
    34 # ifdef __MINGW64_VERSION_MAJOR
    35 #  define MINGW_W64
    36 # endif
    37 # if defined __MINGW32_VERSION && __MINGW32_VERSION >= 5001000L
    38 /* Avoid warnings about gettimeofday being deprecated.  */
    39 #  undef __POSIX_2008_DEPRECATED
    40 #  define __POSIX_2008_DEPRECATED
    41 # endif
    42 /* Old versions of MinGW don't have these in the w32api headers, and
    43    Gnulib uses them in some files.  */
    44 # ifndef _WIN32_WINNT_WIN2K
    45 #  define _WIN32_WINNT_WIN2K    0x0500
    46 # endif
    47 # ifndef _WIN32_WINNT_WINXP
    48 #  define _WIN32_WINNT_WINXP    0x0501
    49 # endif
    50 # ifndef _WIN32_WINNT_WS03
    51 #  define _WIN32_WINNT_WS03     0x0502
    52 # endif
    53 # ifndef _WIN32_WINNT_VISTA
    54 #  define _WIN32_WINNT_VISTA    0x0600
    55 # endif
    56 # ifndef _WIN32_WINNT_WIN7
    57 #  define _WIN32_WINNT_WIN7     0x0601
    58 # endif
    59 # ifndef _WIN32_WINNT_WIN8
    60 #  define _WIN32_WINNT_WIN8     0x0602
    61 # endif
    62 # ifndef _WIN32_WINNT_WINBLUE
    63 #  define _WIN32_WINNT_WINBLUE  0x0603
    64 # endif
    65 # ifndef _WIN32_WINNT_WIN10
    66 #  define _WIN32_WINNT_WIN10    0x0A00
    67 # endif
    68 #endif
    69 
    70 /* #undef const */
    71 
    72 /* Number of chars of output in the buffer of a stdio stream. */
    73 #ifdef __GNU_LIBRARY__
    74 #define PENDING_OUTPUT_COUNT(FILE) ((FILE)->__bufp - (FILE)->__buffer)
    75 #else
    76 #define PENDING_OUTPUT_COUNT(FILE) ((FILE)->_ptr - (FILE)->_base)
    77 #endif
    78 
    79 /* If you are compiling with a non-C calling convention but need to
    80    declare vararg routines differently, put it here.  */
    81 #define _VARARGS_ __cdecl
    82 
    83 /* If you are providing a function to something that will call the
    84    function back (like a signal handler and signal, or main) its calling
    85    convention must be whatever standard the libraries expect.  */
    86 #define _CALLBACK_ __cdecl
    87 
    88 /* Define HAVE_TIMEVAL if the system supports the BSD style clock values.
    89    Look in <sys/time.h> for a timeval structure.  */
    90 #define HAVE_TIMEVAL 1
    91 
    92 /* Our select emulation does 1-byte read-ahead waiting for received
    93    packets, so datagrams are broken.  */
    94 #define BROKEN_DATAGRAM_SOCKETS 1
    95 
    96 #define MAIL_USE_SYSTEM_LOCK 1
    97 
    98 /* Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works. */
    99 #ifdef __GNUC__
   100 #define HAVE_ATTRIBUTE_ALIGNED 1
   101 #endif
   102 
   103 /* Define to 1 if strtold conforms to C99. */
   104 #ifdef __GNUC__
   105 #define HAVE_C99_STRTOLD 1
   106 #endif
   107 
   108 #if (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8))
   109 # ifndef HAVE___BUILTIN_UNWIND_INIT
   110 #  define HAVE___BUILTIN_UNWIND_INIT 1
   111 # endif
   112 #endif
   113 
   114 /* ============================================================ */
   115 
   116 /* Here, add any special hacks needed to make Emacs work on this
   117    system.  For example, you might define certain system call names
   118    that don't exist on your system, or that do different things on
   119    your system and must be used only through an encapsulation (which
   120    you should place, by convention, in sysdep.c).  */
   121 
   122 #ifdef __GNUC__
   123 #ifndef __cplusplus
   124 #undef inline
   125 #endif
   126 #else  /* MSVC */
   127 #define inline __inline
   128 #endif
   129 
   130 #ifdef __GNUC__
   131 /* config.h may have defined already.  */
   132 # ifndef restrict
   133 #  define restrict __restrict__
   134 # endif
   135 #else
   136   /* FIXME: should we define to __restrict, which MSVC supports? */
   137 # define restrict
   138 #endif
   139 
   140 /* `mode_t' is not defined for MSVC. Define. */
   141 #ifdef _MSC_VER
   142 typedef unsigned short mode_t;
   143 #endif
   144 
   145 /* A va_copy replacement for MSVC.  */
   146 #ifdef _MSC_VER
   147 # ifdef _WIN64
   148 #  ifndef va_copy               /* Need to be checked (?) */
   149 #   define va_copy(d,s) ((d) = (s))
   150 #  endif
   151 # else  /* not _WIN64 */
   152 #  define va_copy(d,s) ((d) = (s))
   153 # endif  /* not _WIN64 */
   154 #endif   /* _MSC_VER */
   155 
   156 #ifndef WINDOWSNT
   157 /* Some of the files of Emacs which are intended for use with other
   158    programs assume that if you have a config.h file, you must declare
   159    the type of getenv.  */
   160 extern char *getenv ();
   161 #endif
   162 
   163 /* Prevent accidental use of features unavailable in older Windows
   164    versions we still support.  MinGW64 defines this to a higher value
   165    in its system headers, and is not really compatible with values
   166    lower than 0x0500, so leave it alone.  */
   167 #ifndef MINGW_W64
   168 # undef _WIN32_WINNT
   169 # define _WIN32_WINNT 0x0400
   170 #endif
   171 
   172 /* Make a leaner executable.  */
   173 #define WIN32_LEAN_AND_MEAN
   174 
   175 #include <sys/types.h>
   176 
   177 #ifndef MAXPATHLEN
   178 #define MAXPATHLEN      _MAX_PATH
   179 #endif
   180 
   181 /* This is used to hold UTF-8 encoded file names.  */
   182 #define MAX_UTF8_PATH   (MAXPATHLEN * 4)
   183 
   184 #ifdef HAVE_NTGUI
   185 # ifndef HAVE_WINDOW_SYSTEM
   186 #  define HAVE_WINDOW_SYSTEM 1
   187 #  define POLL_FOR_INPUT 1
   188 # endif
   189 #endif
   190 
   191 /* Get some redefinitions in place.  */
   192 
   193 #ifdef emacs
   194 
   195 #ifdef MINGW_W64
   196 /* MinGW64 specific stuff.  */
   197 /* Make sure 'struct timespec' and 'struct timezone' are defined.  */
   198 #include <sys/types.h>
   199 #include <time.h>
   200 /* This prototype avoids MinGW64 compiler warnings due to the fact
   201    that time.h is included before localtime is redirected to
   202    sys_localtime below.  */
   203 extern struct tm * sys_localtime (const time_t *);
   204 /* MinGW64 uses a 2-argument _setjmp, and setjmp is a macro defined to
   205    supply the 2nd arg correctly, so don't use _setjmp directly in that
   206    case.  */
   207 #undef HAVE__SETJMP
   208 
   209 /* Unlike MS and mingw.org, MinGW64 doesn't define gai_strerror as an
   210    inline function in a system header file, and instead seems to
   211    require to link against ws2_32.a.  But we don't want to link with
   212    -lws2_32, as that would make Emacs dependent on the respective DLL.
   213    So MinGW64 is amply punished here by the following:  */
   214 #undef HAVE_GAI_STRERROR
   215 #endif
   216 
   217 /* The following is needed for recovery from C stack overflows.  */
   218 #include <setjmp.h>
   219 typedef jmp_buf sigjmp_buf;
   220 #ifdef MINGW_W64
   221 /* Evidently, MinGW64's longjmp crashes when invoked from an exception
   222    handler, see https://sourceforge.net/p/mingw-w64/mailman/message/32421953/.
   223    This seems to be an unsolved problem in the MinGW64 runtime.  So we
   224    use the GCC intrinsics instead.  FIXME.  */
   225 #define sigsetjmp(j,m) __builtin_setjmp(j)
   226 #else
   227 #define sigsetjmp(j,m) setjmp(j)
   228 #endif
   229 extern void w32_reset_stack_overflow_guard (void);
   230 
   231 #ifdef _MSC_VER
   232 #include <sys/timeb.h>
   233 #include <sys/stat.h>
   234 #include <signal.h>
   235 
   236 /* MSVC gets link-time errors without these redirections.  */
   237 #define fstat(a, b) sys_fstat(a, b)
   238 #define stat(a, b)  sys_stat(a, b)
   239 #define utime       sys_utime
   240 #endif
   241 
   242 /* Calls that are emulated or shadowed.  */
   243 #undef chdir
   244 #define chdir   sys_chdir
   245 #undef chmod
   246 #define chmod   sys_chmod
   247 #undef close
   248 #define close   sys_close
   249 #undef creat
   250 #define creat   sys_creat
   251 #define ctime   sys_ctime
   252 #undef dup
   253 #define dup     sys_dup
   254 #undef dup2
   255 #define dup2    sys_dup2
   256 #define fopen   sys_fopen
   257 #define link    sys_link
   258 #define localtime sys_localtime
   259 #undef read
   260 #define read    sys_read
   261 #define rename  sys_rename
   262 #define rmdir   sys_rmdir
   263 #define select  sys_select
   264 #define pselect sys_select
   265 #define sleep   sys_sleep
   266 #define strerror sys_strerror
   267 #undef unlink
   268 #define unlink  sys_unlink
   269 #undef opendir
   270 #define opendir sys_opendir
   271 #undef closedir
   272 #define closedir sys_closedir
   273 #undef readdir
   274 #define readdir sys_readdir
   275 #undef seekdir
   276 #define seekdir sys_seekdir
   277 /* This prototype is needed because some files include config.h
   278    _after_ the standard headers, so sys_unlink gets no prototype from
   279    stdio.h or io.h.  */
   280 extern int sys_unlink (const char *);
   281 #undef write
   282 #define write   sys_write
   283 #undef umask
   284 #define umask   sys_umask
   285 extern int sys_umask (int);
   286 #define clock   sys_clock
   287 
   288 /* Subprocess calls that are emulated.  */
   289 #define spawnve sys_spawnve
   290 #define kill    sys_kill
   291 #define signal  sys_signal
   292 
   293 /* Internal signals.  */
   294 #define emacs_raise(sig) emacs_abort()
   295 
   296 /* termcap.c calls that are emulated.  */
   297 #define tputs   sys_tputs
   298 #define tgetstr sys_tgetstr
   299 
   300 /* cm.c calls that are emulated.  */
   301 #define chcheckmagic sys_chcheckmagic
   302 #define cmcostinit   sys_cmcostinit
   303 #define cmgoto       sys_cmgoto
   304 #define cmputc       sys_cmputc
   305 #define Wcm_clear    sys_Wcm_clear
   306 
   307 #endif /* emacs */
   308 
   309 /* Used both in Emacs, in lib-src, and in Gnulib.  */
   310 #undef open
   311 #define open    sys_open
   312 
   313 /* Map to MSVC names.  */
   314 #define execlp    _execlp
   315 #define execvp    _execvp
   316 #include <stdint.h>             /* for intptr_t */
   317 extern intptr_t _execvp (const char *, char **);
   318 #define tcdrain _commit
   319 #define fdopen    _fdopen
   320 #define fsync     _commit
   321 #define ftruncate _chsize
   322 #define getpid    _getpid
   323 #ifdef _MSC_VER
   324 typedef int pid_t;
   325 #define snprintf  _snprintf
   326 #define strtoll   _strtoi64
   327 #define copysign  _copysign
   328 #endif
   329 #define isatty    _isatty
   330 #define _longjmp  longjmp
   331 /* MinGW64 defines lseek to invoke lseek64.  */
   332 #ifndef lseek
   333 #define lseek     _lseek
   334 #endif
   335 #define popen     _popen
   336 #define pclose    _pclose
   337 #define strdup    _strdup
   338 #define strupr    _strupr
   339 #define strnicmp  _strnicmp
   340 #define stricmp   _stricmp
   341 #define tzset     _tzset
   342 
   343 /* We cannot include system header process.h, since there's src/process.h.  */
   344 int _getpid (void);
   345 
   346 /* Include time.h before redirecting tzname, since MSVC's time.h
   347    defines _tzname to call a function, but also declares tzname a
   348    2-element array.  Having the redirection before including the
   349    header thus has the effect of declaring a function that returns an
   350    array, and triggers an error message.  */
   351 #include <time.h>
   352 #define tzname    _tzname
   353 
   354 /* Required for functions in lib/time_r.c, since we don't use lib/time.h.  */
   355 extern struct tm *gmtime_r (time_t const * restrict, struct tm * restrict);
   356 extern struct tm *localtime_r (time_t const * restrict, struct tm * restrict);
   357 
   358 #ifdef _MSC_VER
   359 /* This is hacky, but is necessary to avoid warnings about macro
   360    redefinitions using the MSVC compilers, since, when __STDC__ is
   361    undefined or zero, those compilers declare functions like fileno,
   362    lseek, and chdir, for which we defined macros above.  */
   363 #ifndef __STDC__
   364 #define __STDC__ 1
   365 #define MUST_UNDEF__STDC__
   366 #endif
   367 #include <direct.h>
   368 #include <io.h>
   369 #include <stdio.h>
   370 #ifdef MUST_UNDEF__STDC__
   371 #undef __STDC__
   372 #undef MUST_UNDEF__STDC__
   373 #endif
   374 #else  /* !_MSC_VER */
   375 #include <direct.h>
   376 #include <io.h>
   377 #include <stdio.h>
   378 #endif  /* !_MSC_VER */
   379 #ifndef fileno
   380 #define fileno    _fileno
   381 #endif
   382 
   383 /* Defines that we need that aren't in the standard signal.h.  */
   384 #define SIGHUP  1               /* Hang up */
   385 #define SIGQUIT 3               /* Quit process */
   386 #define SIGTRAP 5               /* Trace trap */
   387 #define SIGKILL 9               /* Die, die die */
   388 #define SIGPIPE 13              /* Write on pipe with no readers */
   389 #define SIGALRM 14              /* Alarm */
   390 #define SIGCHLD 18              /* Death of child */
   391 #define SIGPROF 19              /* Profiling */
   392 
   393 #ifndef NSIG
   394 #define NSIG 23
   395 #endif
   396 
   397 #ifndef ENOTSUP
   398 #define ENOTSUP ENOSYS
   399 #endif
   400 
   401 /* In case lib/errno.h is not used.  */
   402 #ifndef EOPNOTSUPP
   403 #define EOPNOTSUPP 130
   404 #endif
   405 
   406 #ifdef _MSC_VER
   407 typedef int sigset_t;
   408 typedef int ssize_t;
   409 #endif
   410 
   411 #ifdef MINGW_W64
   412 #ifndef _POSIX
   413 typedef _sigset_t sigset_t;
   414 #endif
   415 #endif
   416 
   417 typedef void (_CALLBACK_ *signal_handler) (int);
   418 extern signal_handler sys_signal (int, signal_handler);
   419 
   420 struct sigaction {
   421   int sa_flags;
   422   void (_CALLBACK_ *sa_handler)(int);
   423   sigset_t sa_mask;
   424 };
   425 #define SA_RESTART      0
   426 #define SIG_BLOCK       1
   427 #define SIG_SETMASK     2
   428 #define SIG_UNBLOCK     3
   429 
   430 extern int sigemptyset (sigset_t *);
   431 extern int sigaddset (sigset_t *, int);
   432 extern int sigfillset (sigset_t *);
   433 extern int sigprocmask (int, const sigset_t *, sigset_t *);
   434 /* MinGW64 defines pthread_sigmask as zero in its pthread_signal.h
   435    header, but we have an implementation for that function in w32proc.c.  */
   436 #ifdef pthread_sigmask
   437 #undef pthread_sigmask
   438 #endif
   439 extern int pthread_sigmask (int, const sigset_t *, sigset_t *);
   440 extern int sigismember (const sigset_t *, int);
   441 extern int setpgrp (int, int);
   442 extern int sigaction (int, const struct sigaction *, struct sigaction *);
   443 extern int alarm (int);
   444 
   445 extern int sys_kill (pid_t, int);
   446 
   447 extern void explicit_bzero (void *, size_t);
   448 
   449 /* For integration with MSDOS support.  */
   450 #define getdisk()               (_getdrive () - 1)
   451 #ifdef emacs
   452 #define getdefdir(_drv, _buf)   ((_buf[0] = (_drv + 'A' - 1), _buf[1] = ':', _buf[2] = '/', _buf[3] = 0), 1)
   453 #else
   454 #define getdefdir(_drv, _buf)   _getdcwd (_drv, _buf, MAXPATHLEN)
   455 #endif
   456 
   457 #ifndef EMACS_CONFIGURATION
   458 extern char *get_emacs_configuration (void);
   459 extern char *get_emacs_configuration_options (void);
   460 #define EMACS_CONFIGURATION     get_emacs_configuration ()
   461 #define EMACS_CONFIG_OPTIONS    get_emacs_configuration_options ()
   462 #endif
   463 
   464 /* Define this so that winsock.h definitions don't get included with
   465    windows.h.  For this to have proper effect, config.h must always be
   466    included before windows.h.  */
   467 #define _WINSOCKAPI_    1
   468 #if !(defined __MINGW32_VERSION && __MINGW32_VERSION >= 5000002L)
   469 /* mingw.org's MinGW 5.x changed how it includes winsock.h and time.h,
   470    and now defining _WINSOCK_H skips the definition of struct timeval,
   471    which we don't want.  */
   472 # define _WINSOCK_H
   473 #endif
   474 
   475 /* Defines size_t and alloca ().  */
   476 #include <stdlib.h>
   477 #include <sys/stat.h>
   478 #ifdef _MSC_VER
   479 #define alloca _alloca
   480 #else
   481 #include <malloc.h>
   482 #endif
   483 
   484 /* Needed in Emacs and in Gnulib.  */
   485 /* This must be after including sys/stat.h, because we need mode_t.  */
   486 #undef mkdir
   487 #define mkdir(d,f)   sys_mkdir(d,f)
   488 int sys_mkdir (const char *, mode_t);
   489 
   490 #ifdef emacs
   491 
   492 typedef void * (* malloc_fn)(size_t);
   493 typedef void * (* realloc_fn)(void *, size_t);
   494 typedef void (* free_fn)(void *);
   495 
   496 extern void *malloc_before_dump(size_t);
   497 extern void *realloc_before_dump(void *, size_t);
   498 extern void free_before_dump(void *);
   499 extern void *malloc_after_dump(size_t);
   500 extern void *realloc_after_dump(void *, size_t);
   501 extern void free_after_dump(void *);
   502 
   503 extern void *malloc_after_dump_9x(size_t);
   504 extern void *realloc_after_dump_9x(void *, size_t);
   505 extern void free_after_dump_9x(void *);
   506 
   507 extern void *sys_calloc(size_t, size_t);
   508 
   509 extern malloc_fn the_malloc_fn;
   510 extern realloc_fn the_realloc_fn;
   511 extern free_fn the_free_fn;
   512 
   513 #define malloc(size) (*the_malloc_fn)(size)
   514 #define free(ptr)   (*the_free_fn)(ptr)
   515 #define realloc(ptr, size) (*the_realloc_fn)(ptr, size)
   516 #define calloc(num, size) sys_calloc(num, size)
   517 
   518 #endif
   519 
   520 /* Define for those source files that do not include enough NT system files.  */
   521 #ifndef NULL
   522 #ifdef __cplusplus
   523 #define NULL    0
   524 #else
   525 #define NULL    ((void *)0)
   526 #endif
   527 #endif
   528 
   529 /* For proper declaration of environ.  */
   530 #ifndef sys_nerr
   531 #define sys_nerr _sys_nerr
   532 #endif
   533 
   534 /* This must be after including stdlib.h, which defines putenv on MinGW.  */
   535 #ifdef putenv
   536 # undef putenv
   537 #endif
   538 #define putenv    sys_putenv
   539 extern int sys_putenv (char *);
   540 
   541 extern int getloadavg (double *, int);
   542 extern int getpagesize (void);
   543 
   544 extern void * memrchr (void const *, int, size_t);
   545 
   546 /* Declared here, since we don't use Gnulib's stdlib.h.  */
   547 extern int mkostemp (char *, int);
   548 
   549 #if defined (__MINGW32__)
   550 
   551 /* Define to 1 if the system has the type `long long int'. */
   552 # ifndef HAVE_LONG_LONG_INT
   553 #  define HAVE_LONG_LONG_INT 1
   554 # endif
   555 
   556 /* Define to 1 if the system has the type `unsigned long long int'. */
   557 # ifndef HAVE_UNSIGNED_LONG_LONG_INT
   558 #  define HAVE_UNSIGNED_LONG_LONG_INT 1
   559 # endif
   560 
   561 #endif
   562 
   563 #ifdef _MSC_VER
   564 # if defined(_WIN64)
   565 typedef __int64 EMACS_INT;
   566 typedef unsigned __int64 EMACS_UINT;
   567 #  define EMACS_INT_MAX           LLONG_MAX
   568 #  define PRIuMAX                 "llu"
   569 #  define pI                      "ll"
   570 /* Fix a bug in MSVC headers : stdint.h */
   571 #  define _INTPTR 2
   572 # elif defined(_WIN32)
   573 /* Temporarily disable wider-than-pointer integers until they're tested more.
   574    Build with CFLAGS='-DWIDE_EMACS_INT' to try them out.  */
   575 
   576 #  ifdef WIDE_EMACS_INT
   577 
   578 /* Use pre-C99-style 64-bit integers.  */
   579 typedef __int64 EMACS_INT;
   580 typedef unsigned __int64 EMACS_UINT;
   581 #   define EMACS_INT_MAX           LLONG_MAX
   582 #   define PRIuMAX                 "llu"
   583 #   define pI                     "I64"
   584 #  else
   585 typedef int EMACS_INT;
   586 typedef unsigned int EMACS_UINT;
   587 #   define EMACS_INT_MAX           LONG_MAX
   588 #   define PRIuMAX                 "lu"
   589 #   define pI                     "l"
   590 #  endif
   591 # endif
   592 #endif
   593 
   594 /* We need a little extra space, see ../../lisp/loadup.el.  */
   595 #define SYSTEM_PURESIZE_EXTRA 50000
   596 
   597 #define DATA_START      get_data_start ()
   598 
   599 /* For unexec to work on Alpha systems, we need to put Emacs'
   600    initialized data into a separate section from the CRT initialized
   601    data (because the Alpha linker freely reorders data variables, even
   602    across libraries, so our data and the CRT data get intermingled).
   603 
   604    Starting with MSVC 5.0, we must also place the uninitialized data
   605    into its own section.  VC5 intermingles uninitialized data from the CRT
   606    between Emacs' static uninitialized data and its public uninitialized
   607    data.  A separate .bss section for Emacs groups both static and
   608    public uninitialized together.
   609 
   610    Note that unexw32.c relies on this fact, and must be modified
   611    accordingly if this section name is changed, or if this pragma is
   612    removed.  Also, obviously, all files that define initialized data
   613    must include config.h to pick up this pragma.  */
   614 
   615 /* Names must be < 8 bytes.  */
   616 #ifdef _MSC_VER
   617 #pragma data_seg("EMDATA")
   618 #pragma bss_seg("EMBSS")
   619 #endif
   620 
   621 /* #define FULL_DEBUG */
   622 /* #define EMACSDEBUG */
   623 
   624 #ifdef _MSC_VER
   625 #if _MSC_VER >= 800 && !defined(__cplusplus)
   626 /* Unnamed type definition in parentheses.
   627    A structure, union, or enumerated type with no name is defined in a
   628    parenthetical expression.  The type definition is meaningless.  */
   629 #pragma warning(disable:4116)
   630 /* 'argument' : conversion from 'type1' to 'type2', possible loss of
   631    data A floating point type was converted to an integer type.  A
   632    possible loss of data may have occurred.  */
   633 #pragma warning(disable:4244)
   634 /* Negative integral constant converted to unsigned type.
   635    An expression converts a negative integer constant to an unsigned type.
   636    The result of the expression is probably meaningless.  */
   637 #pragma warning(disable:4308)
   638 #endif
   639 #endif
   640 
   641 /* Event name for when emacsclient starts the Emacs daemon on Windows.  */
   642 #define W32_DAEMON_EVENT "EmacsServerEvent"
   643 
   644 /* ============================================================ */