nt/inc/ms-w32.h

   1 /* System description file for Windows NT.
   2
   3 Copyright (C) 1993-1995, 2001-2019 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 fom 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 #endif
  43
  44 /* #undef const */
  45
  46 /* Number of chars of output in the buffer of a stdio stream. */
  47 #ifdef __GNU_LIBRARY__
  48 #define PENDING_OUTPUT_COUNT(FILE) ((FILE)->__bufp - (FILE)->__buffer)
  49 #else
  50 #define PENDING_OUTPUT_COUNT(FILE) ((FILE)->_ptr - (FILE)->_base)
  51 #endif
  52
  53 /* If you are compiling with a non-C calling convention but need to
  54    declare vararg routines differently, put it here.  */
  55 #define _VARARGS_ __cdecl
  56
  57 /* If you are providing a function to something that will call the
  58    function back (like a signal handler and signal, or main) its calling
  59    convention must be whatever standard the libraries expect.  */
  60 #define _CALLBACK_ __cdecl
  61
  62 /* Define HAVE_TIMEVAL if the system supports the BSD style clock values.
  63    Look in <sys/time.h> for a timeval structure.  */
  64 #define HAVE_TIMEVAL 1
  65
  66 /* And the select implementation does 1-byte read-ahead waiting
  67    for received packets, so datagrams are broken too.  */
  68 #define BROKEN_DATAGRAM_SOCKETS 1
  69
  70 #define MAIL_USE_SYSTEM_LOCK 1
  71
  72 /* Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works. */
  73 #ifdef __GNUC__
  74 #define HAVE_ATTRIBUTE_ALIGNED 1
  75 #endif
  76
  77 /* Define to 1 if strtold conforms to C99. */
  78 #ifdef __GNUC__
  79 #define HAVE_C99_STRTOLD 1
  80 #endif
  81
  82 #if (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8))
  83 # ifndef HAVE___BUILTIN_UNWIND_INIT
  84 #  define HAVE___BUILTIN_UNWIND_INIT 1
  85 # endif
  86 #endif
  87
  88 /* This isn't perfect, as some systems might have the page file in
  89    another place.  Also, I suspect that the time stamp of that file
  90    might also change when Windows enlarges the file due to
  91    insufficient VM.  Still, this seems to be the most reliable way;
  92    the alternative (of using GetSystemTimes) won't work on laptops
  93    that hibernate, because the system clock is stopped then.  Other
  94    possibility would be to run "net statistics workstation" and parse
  95    the output, but that's gross.  So this should do; if the file is
  96    not there, the boot time will be returned as zero, and filelock.c
  97    already handles that.  */
  98 #define BOOT_TIME_FILE "C:/pagefile.sys"
  99
 100 /* ============================================================ */
 101
 102 /* Here, add any special hacks needed to make Emacs work on this
 103    system.  For example, you might define certain system call names
 104    that don't exist on your system, or that do different things on
 105    your system and must be used only through an encapsulation (which
 106    you should place, by convention, in sysdep.c).  */
 107
 108 #ifdef __GNUC__
 109 #ifndef __cplusplus
 110 #undef inline
 111 #endif
 112 #else  /* MSVC */
 113 #define inline __inline
 114 #endif
 115
 116 #ifdef __GNUC__
 117 /* config.h may have defined already.  */
 118 # ifndef restrict
 119 #  define restrict __restrict__
 120 # endif
 121 #else
 122   /* FIXME: should we define to __restrict, which MSVC supports? */
 123 # define restrict
 124 #endif
 125
 126 /* `mode_t' is not defined for MSVC. Define. */
 127 #ifdef _MSC_VER
 128 typedef unsigned short mode_t;
 129 #endif
 130
 131 /* A va_copy replacement for MSVC.  */
 132 #ifdef _MSC_VER
 133 # ifdef _WIN64
 134 #  ifndef va_copy               /* Need to be checked (?) */
 135 #   define va_copy(d,s) ((d) = (s))
 136 #  endif
 137 # else  /* not _WIN64 */
 138 #  define va_copy(d,s) ((d) = (s))
 139 # endif  /* not _WIN64 */
 140 #endif   /* _MSC_VER */
 141
 142 #ifndef WINDOWSNT
 143 /* Some of the files of Emacs which are intended for use with other
 144    programs assume that if you have a config.h file, you must declare
 145    the type of getenv.  */
 146 extern char *getenv ();
 147 #endif
 148
 149 /* Prevent accidental use of features unavailable in older Windows
 150    versions we still support.  MinGW64 defines this to a higher value
 151    in its system headers, and is not really compatible with values
 152    lower than 0x0500, so leave it alone.  */
 153 #ifndef MINGW_W64
 154 # undef _WIN32_WINNT
 155 # define _WIN32_WINNT 0x0400
 156 #endif
 157
 158 /* Make a leaner executable.  */
 159 #define WIN32_LEAN_AND_MEAN
 160
 161 #include <sys/types.h>
 162
 163 #ifndef MAXPATHLEN
 164 #define MAXPATHLEN      _MAX_PATH
 165 #endif
 166
 167 /* This is used to hold UTF-8 encoded file names.  */
 168 #define MAX_UTF8_PATH   (MAXPATHLEN * 4)
 169
 170 #ifdef HAVE_NTGUI
 171 # ifndef HAVE_WINDOW_SYSTEM
 172 #  define HAVE_WINDOW_SYSTEM 1
 173 #  define POLL_FOR_INPUT 1
 174 # endif
 175 #endif
 176
 177 /* Get some redefinitions in place.  */
 178
 179 #ifdef emacs
 180
 181 #ifdef MINGW_W64
 182 /* MinGW64 specific stuff.  */
 183 /* Make sure 'struct timespec' and 'struct timezone' are defined.  */
 184 #include <sys/types.h>
 185 #include <time.h>
 186 /* This prototype avoids MinGW64 compiler warnings due to the fact
 187    that time.h is included before localtime is redirected to
 188    sys_localtime below.  */
 189 extern struct tm * sys_localtime (const time_t *);
 190 /* MinGW64 uses a 2-argument _setjmp, and setjmp is a macro defined to
 191    supply the 2nd arg correctly, so don't use _setjmp directly in that
 192    case.  */
 193 #undef HAVE__SETJMP
 194
 195 /* Unlike MS and mingw.org, MinGW64 doesn't define gai_strerror as an
 196    inline function in a system header file, and instead seems to
 197    require to link against ws2_32.a.  But we don't want to link with
 198    -lws2_32, as that would make Emacs dependent on the respective DLL.
 199    So MinGW64 is amply punished here by the following:  */
 200 #undef HAVE_GAI_STRERROR
 201 #endif
 202
 203 /* The following is needed for recovery from C stack overflows.  */
 204 #include <setjmp.h>
 205 typedef jmp_buf sigjmp_buf;
 206 #ifdef MINGW_W64
 207 /* Evidently, MinGW64's longjmp crashes when invoked from an exception
 208    handler, see https://sourceforge.net/p/mingw-w64/mailman/message/32421953/.
 209    This seems to be an unsolved problem in the MinGW64 runtime.  So we
 210    use the GCC intrinsics instead.  FIXME.  */
 211 #define sigsetjmp(j,m) __builtin_setjmp(j)
 212 #else
 213 #define sigsetjmp(j,m) setjmp(j)
 214 #endif
 215 extern void w32_reset_stack_overflow_guard (void);
 216
 217 #ifdef _MSC_VER
 218 #include <sys/timeb.h>
 219 #include <sys/stat.h>
 220 #include <signal.h>
 221
 222 /* MSVC gets link-time errors without these redirections.  */
 223 #define fstat(a, b) sys_fstat(a, b)
 224 #define stat(a, b)  sys_stat(a, b)
 225 #define utime       sys_utime
 226 #endif
 227
 228 /* Calls that are emulated or shadowed.  */
 229 #undef chdir
 230 #define chdir   sys_chdir
 231 #undef chmod
 232 #define chmod   sys_chmod
 233 #undef close
 234 #define close   sys_close
 235 #undef creat
 236 #define creat   sys_creat
 237 #define ctime   sys_ctime
 238 #undef dup
 239 #define dup     sys_dup
 240 #undef dup2
 241 #define dup2    sys_dup2
 242 #define fopen   sys_fopen
 243 #define link    sys_link
 244 #define localtime sys_localtime
 245 #undef read
 246 #define read    sys_read
 247 #define rename  sys_rename
 248 #define rmdir   sys_rmdir
 249 #define select  sys_select
 250 #define pselect sys_select
 251 #define sleep   sys_sleep
 252 #define strerror sys_strerror
 253 #undef unlink
 254 #define unlink  sys_unlink
 255 #undef opendir
 256 #define opendir sys_opendir
 257 #undef closedir
 258 #define closedir sys_closedir
 259 #undef readdir
 260 #define readdir sys_readdir
 261 #undef seekdir
 262 #define seekdir sys_seekdir
 263 /* This prototype is needed because some files include config.h
 264    _after_ the standard headers, so sys_unlink gets no prototype from
 265    stdio.h or io.h.  */
 266 extern int sys_unlink (const char *);
 267 #undef write
 268 #define write   sys_write
 269 #undef umask
 270 #define umask   sys_umask
 271 extern int sys_umask (int);
 272
 273 /* Subprocess calls that are emulated.  */
 274 #define spawnve sys_spawnve
 275 #define kill    sys_kill
 276 #define signal  sys_signal
 277
 278 /* Internal signals.  */
 279 #define emacs_raise(sig) emacs_abort()
 280
 281 /* termcap.c calls that are emulated.  */
 282 #define tputs   sys_tputs
 283 #define tgetstr sys_tgetstr
 284
 285 /* cm.c calls that are emulated.  */
 286 #define chcheckmagic sys_chcheckmagic
 287 #define cmcostinit   sys_cmcostinit
 288 #define cmgoto       sys_cmgoto
 289 #define cmputc       sys_cmputc
 290 #define Wcm_clear    sys_Wcm_clear
 291
 292 #endif /* emacs */
 293
 294 /* Used both in Emacs, in lib-src, and in Gnulib.  */
 295 #undef open
 296 #define open    sys_open
 297
 298 /* Map to MSVC names.  */
 299 #define execlp    _execlp
 300 #define execvp    _execvp
 301 #include <stdint.h>             /* for intptr_t */
 302 extern intptr_t _execvp (const char *, char **);
 303 #ifdef MINGW_W64
 304 /* GCC 6 has a builtin execve with the prototype shown below.  MinGW64
 305    changed the prototype in its process.h to match that, although the
 306    library function still calls _execve, which still returns intptr_t.
 307    However, using the prototype with intptr_t causes GCC to emit
 308    warnings.  Fortunately, execve is not used in the MinGW build, but
 309    the code that references it is still compiled.  */
 310 extern int execve (const char *, char * const *, char * const *);
 311 #else
 312 extern intptr_t execve (const char *, char * const *, char * const *);
 313 #endif
 314 #define tcdrain _commit
 315 #define fdopen    _fdopen
 316 #define fsync     _commit
 317 #define ftruncate _chsize
 318 #define getpid    _getpid
 319 #ifdef _MSC_VER
 320 typedef int pid_t;
 321 #define snprintf  _snprintf
 322 #define strtoll   _strtoi64
 323 #define copysign  _copysign
 324 #endif
 325 #define isatty    _isatty
 326 #define _longjmp  longjmp
 327 /* MinGW64 defines lseek to invoke lseek64.  */
 328 #ifndef lseek
 329 #define lseek     _lseek
 330 #endif
 331 #define popen     _popen
 332 #define pclose    _pclose
 333 #define strdup    _strdup
 334 #define strupr    _strupr
 335 #define strnicmp  _strnicmp
 336 #define stricmp   _stricmp
 337 #define tzset     _tzset
 338
 339 /* We cannot include system header process.h, since there's src/process.h.  */
 340 int _getpid (void);
 341
 342 /* Include time.h before redirecting tzname, since MSVC's time.h
 343    defines _tzname to call a function, but also declares tzname a
 344    2-element array.  Having the redirection before including the
 345    header thus has the effect of declaring a function that returns an
 346    array, and triggers an error message.  */
 347 #include <time.h>
 348 #define tzname    _tzname
 349
 350 /* Required for functions in lib/time_r.c, since we don't use lib/time.h.  */
 351 extern struct tm *gmtime_r (time_t const * restrict, struct tm * restrict);
 352 extern struct tm *localtime_r (time_t const * restrict, struct tm * restrict);
 353
 354 #ifdef _MSC_VER
 355 /* This is hacky, but is necessary to avoid warnings about macro
 356    redefinitions using the MSVC compilers, since, when __STDC__ is
 357    undefined or zero, those compilers declare functions like fileno,
 358    lseek, and chdir, for which we defined macros above.  */
 359 #ifndef __STDC__
 360 #define __STDC__ 1
 361 #define MUST_UNDEF__STDC__
 362 #endif
 363 #include <direct.h>
 364 #include <io.h>
 365 #include <stdio.h>
 366 #ifdef MUST_UNDEF__STDC__
 367 #undef __STDC__
 368 #undef MUST_UNDEF__STDC__
 369 #endif
 370 #else  /* !_MSC_VER */
 371 #include <direct.h>
 372 #include <io.h>
 373 #include <stdio.h>
 374 #endif  /* !_MSC_VER */
 375 #ifndef fileno
 376 #define fileno    _fileno
 377 #endif
 378
 379 /* Defines that we need that aren't in the standard signal.h.  */
 380 #define SIGHUP  1               /* Hang up */
 381 #define SIGQUIT 3               /* Quit process */
 382 #define SIGTRAP 5               /* Trace trap */
 383 #define SIGKILL 9               /* Die, die die */
 384 #define SIGPIPE 13              /* Write on pipe with no readers */
 385 #define SIGALRM 14              /* Alarm */
 386 #define SIGCHLD 18              /* Death of child */
 387 #define SIGPROF 19              /* Profiling */
 388
 389 #ifndef NSIG
 390 #define NSIG 23
 391 #endif
 392
 393 #ifndef ENOTSUP
 394 #define ENOTSUP ENOSYS
 395 #endif
 396
 397 /* In case lib/errno.h is not used.  */
 398 #ifndef EOPNOTSUPP
 399 #define EOPNOTSUPP 130
 400 #endif
 401
 402 #ifdef _MSC_VER
 403 typedef int sigset_t;
 404 typedef int ssize_t;
 405 #endif
 406
 407 #ifdef MINGW_W64
 408 #ifndef _POSIX
 409 typedef _sigset_t sigset_t;
 410 #endif
 411 #endif
 412
 413 typedef void (_CALLBACK_ *signal_handler) (int);
 414 extern signal_handler sys_signal (int, signal_handler);
 415
 416 struct sigaction {
 417   int sa_flags;
 418   void (_CALLBACK_ *sa_handler)(int);
 419   sigset_t sa_mask;
 420 };
 421 #define SA_RESTART      0
 422 #define SIG_BLOCK       1
 423 #define SIG_SETMASK     2
 424 #define SIG_UNBLOCK     3
 425
 426 extern int sigemptyset (sigset_t *);
 427 extern int sigaddset (sigset_t *, int);
 428 extern int sigfillset (sigset_t *);
 429 extern int sigprocmask (int, const sigset_t *, sigset_t *);
 430 /* MinGW64 defines pthread_sigmask as zero in its pthread_signal.h
 431    header, but we have an implementation for that function in w32proc.c.  */
 432 #ifdef pthread_sigmask
 433 #undef pthread_sigmask
 434 #endif
 435 extern int pthread_sigmask (int, const sigset_t *, sigset_t *);
 436 extern int sigismember (const sigset_t *, int);
 437 extern int setpgrp (int, int);
 438 extern int sigaction (int, const struct sigaction *, struct sigaction *);
 439 extern int alarm (int);
 440
 441 extern int sys_kill (pid_t, int);
 442
 443
 444 /* For integration with MSDOS support.  */
 445 #define getdisk()               (_getdrive () - 1)
 446 #ifdef emacs
 447 #define getdefdir(_drv, _buf)   ((_buf[0] = (_drv + 'A' - 1), _buf[1] = ':', _buf[2] = '/', _buf[3] = 0), 1)
 448 #else
 449 #define getdefdir(_drv, _buf)   _getdcwd (_drv, _buf, MAXPATHLEN)
 450 #endif
 451
 452 #ifndef EMACS_CONFIGURATION
 453 extern char *get_emacs_configuration (void);
 454 extern char *get_emacs_configuration_options (void);
 455 #define EMACS_CONFIGURATION     get_emacs_configuration ()
 456 #define EMACS_CONFIG_OPTIONS    get_emacs_configuration_options ()
 457 #endif
 458
 459 /* Define this so that winsock.h definitions don't get included with
 460    windows.h.  For this to have proper effect, config.h must always be
 461    included before windows.h.  */
 462 #define _WINSOCKAPI_    1
 463 #if !(defined __MINGW32_VERSION && __MINGW32_VERSION >= 5000002L)
 464 /* mingw.org's MinGW 5.x changed how it includes winsock.h and time.h,
 465    and now defining _WINSOCK_H skips the definition of struct timeval,
 466    which we don't want.  */
 467 # define _WINSOCK_H
 468 #endif
 469
 470 /* Defines size_t and alloca ().  */
 471 #include <stdlib.h>
 472 #include <sys/stat.h>
 473 #ifdef _MSC_VER
 474 #define alloca _alloca
 475 #else
 476 #include <malloc.h>
 477 #endif
 478
 479 /* Needed in Emacs and in Gnulib.  */
 480 /* This must be after including sys/stat.h, because we need mode_t.  */
 481 #undef mkdir
 482 #define mkdir(d,f)   sys_mkdir(d,f)
 483 int sys_mkdir (const char *, mode_t);
 484
 485 #ifdef emacs
 486
 487 typedef void * (* malloc_fn)(size_t);
 488 typedef void * (* realloc_fn)(void *, size_t);
 489 typedef void (* free_fn)(void *);
 490
 491 extern void *malloc_before_dump(size_t);
 492 extern void *realloc_before_dump(void *, size_t);
 493 extern void free_before_dump(void *);
 494 extern void *malloc_after_dump(size_t);
 495 extern void *realloc_after_dump(void *, size_t);
 496 extern void free_after_dump(void *);
 497
 498 extern void *malloc_after_dump_9x(size_t);
 499 extern void *realloc_after_dump_9x(void *, size_t);
 500 extern void free_after_dump_9x(void *);
 501
 502 extern malloc_fn the_malloc_fn;
 503 extern realloc_fn the_realloc_fn;
 504 extern free_fn the_free_fn;
 505
 506 #define malloc(size) (*the_malloc_fn)(size)
 507 #define free(ptr)   (*the_free_fn)(ptr)
 508 #define realloc(ptr, size) (*the_realloc_fn)(ptr, size)
 509
 510 #endif
 511
 512 /* Define for those source files that do not include enough NT system files.  */
 513 #ifndef NULL
 514 #ifdef __cplusplus
 515 #define NULL    0
 516 #else
 517 #define NULL    ((void *)0)
 518 #endif
 519 #endif
 520
 521 /* For proper declaration of environ.  */
 522 #ifndef sys_nerr
 523 #define sys_nerr _sys_nerr
 524 #endif
 525
 526 /* This must be after including stdlib.h, which defines putenv on MinGW.  */
 527 #ifdef putenv
 528 # undef putenv
 529 #endif
 530 #define putenv    sys_putenv
 531 extern int sys_putenv (char *);
 532
 533 extern int getloadavg (double *, int);
 534 extern int getpagesize (void);
 535
 536 extern void * memrchr (void const *, int, size_t);
 537
 538 /* Declared here, since we don't use Gnulib's stdlib.h.  */
 539 extern int mkostemp (char *, int);
 540
 541 #if defined (__MINGW32__)
 542
 543 /* Define to 1 if the system has the type `long long int'. */
 544 # ifndef HAVE_LONG_LONG_INT
 545 #  define HAVE_LONG_LONG_INT 1
 546 # endif
 547
 548 /* Define to 1 if the system has the type `unsigned long long int'. */
 549 # ifndef HAVE_UNSIGNED_LONG_LONG_INT
 550 #  define HAVE_UNSIGNED_LONG_LONG_INT 1
 551 # endif
 552
 553 #endif
 554
 555 #ifdef _MSC_VER
 556 # if defined(_WIN64)
 557 typedef __int64 EMACS_INT;
 558 typedef unsigned __int64 EMACS_UINT;
 559 #  define EMACS_INT_MAX           LLONG_MAX
 560 #  define PRIuMAX                 "llu"
 561 #  define pI                      "ll"
 562 /* Fix a bug in MSVC headers : stdint.h */
 563 #  define _INTPTR 2
 564 # elif defined(_WIN32)
 565 /* Temporarily disable wider-than-pointer integers until they're tested more.
 566    Build with CFLAGS='-DWIDE_EMACS_INT' to try them out.  */
 567
 568 #  ifdef WIDE_EMACS_INT
 569
 570 /* Use pre-C99-style 64-bit integers.  */
 571 typedef __int64 EMACS_INT;
 572 typedef unsigned __int64 EMACS_UINT;
 573 #   define EMACS_INT_MAX           LLONG_MAX
 574 #   define PRIuMAX                 "llu"
 575 #   define pI                     "I64"
 576 #  else
 577 typedef int EMACS_INT;
 578 typedef unsigned int EMACS_UINT;
 579 #   define EMACS_INT_MAX           LONG_MAX
 580 #   define PRIuMAX                 "lu"
 581 #   define pI                     "l"
 582 #  endif
 583 # endif
 584 #endif
 585
 586 /* We need a little extra space, see ../../lisp/loadup.el.  */
 587 #define SYSTEM_PURESIZE_EXTRA 50000
 588
 589 #define DATA_START      get_data_start ()
 590
 591 /* For unexec to work on Alpha systems, we need to put Emacs'
 592    initialized data into a separate section from the CRT initialized
 593    data (because the Alpha linker freely reorders data variables, even
 594    across libraries, so our data and the CRT data get intermingled).
 595
 596    Starting with MSVC 5.0, we must also place the uninitialized data
 597    into its own section.  VC5 intermingles uninitialized data from the CRT
 598    between Emacs' static uninitialized data and its public uninitialized
 599    data.  A separate .bss section for Emacs groups both static and
 600    public uninitialized together.
 601
 602    Note that unexw32.c relies on this fact, and must be modified
 603    accordingly if this section name is changed, or if this pragma is
 604    removed.  Also, obviously, all files that define initialized data
 605    must include config.h to pick up this pragma.  */
 606
 607 /* Names must be < 8 bytes.  */
 608 #ifdef _MSC_VER
 609 #pragma data_seg("EMDATA")
 610 #pragma bss_seg("EMBSS")
 611 #endif
 612
 613 /* #define FULL_DEBUG */
 614 /* #define EMACSDEBUG */
 615
 616 #ifdef _MSC_VER
 617 #if _MSC_VER >= 800 && !defined(__cplusplus)
 618 /* Unnamed type definition in parentheses.
 619    A structure, union, or enumerated type with no name is defined in a
 620    parenthetical expression.  The type definition is meaningless.  */
 621 #pragma warning(disable:4116)
 622 /* 'argument' : conversion from 'type1' to 'type2', possible loss of
 623    data A floating point type was converted to an integer type.  A
 624    possible loss of data may have occurred.  */
 625 #pragma warning(disable:4244)
 626 /* Negative integral constant converted to unsigned type.
 627    An expression converts a negative integer constant to an unsigned type.
 628    The result of the expression is probably meaningless.  */
 629 #pragma warning(disable:4308)
 630 #endif
 631 #endif
 632
 633 /* Event name for when emacsclient starts the Emacs daemon on Windows.  */
 634 #define W32_DAEMON_EVENT "EmacsServerEvent"
 635
 636 /* ============================================================ */