1 /* System description file for Windows NT.
3 Copyright (C) 1993-1995, 2001-2013 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
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
10 (at your option) any later version.
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.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
20 /* Define symbols to identify the version of Unix this is.
21 Define all the symbols that apply correctly. */
29 /* Number of chars of output in the buffer of a stdio stream. */
30 #ifdef __GNU_LIBRARY__
31 #define PENDING_OUTPUT_COUNT(FILE) ((FILE)->__bufp - (FILE)->__buffer)
33 #define PENDING_OUTPUT_COUNT(FILE) ((FILE)->_ptr - (FILE)->_base)
36 /* If you are compiling with a non-C calling convention but need to
37 declare vararg routines differently, put it here. */
38 #define _VARARGS_ __cdecl
40 /* If you are providing a function to something that will call the
41 function back (like a signal handler and signal, or main) its calling
42 convention must be whatever standard the libraries expect. */
43 #define _CALLBACK_ __cdecl
45 /* Define HAVE_TIMEVAL if the system supports the BSD style clock values.
46 Look in <sys/time.h> for a timeval structure. */
47 #define HAVE_TIMEVAL 1
49 /* But our select implementation doesn't allow us to make non-blocking
50 connects. So until that is fixed, this is necessary: */
51 #define BROKEN_NON_BLOCKING_CONNECT 1
53 /* And the select implementation does 1-byte read-ahead waiting
54 for received packets, so datagrams are broken too. */
55 #define BROKEN_DATAGRAM_SOCKETS 1
57 #define MAIL_USE_SYSTEM_LOCK 1
59 /* Define to 1 if GCC-style __attribute__ ((__aligned__ (expr))) works. */
61 #define HAVE_ATTRIBUTE_ALIGNED 1
64 /* Define to 1 if strtold conforms to C99. */
66 #define HAVE_C99_STRTOLD 1
69 #if (__GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 8))
70 # ifndef HAVE___BUILTIN_UNWIND_INIT
71 # define HAVE___BUILTIN_UNWIND_INIT 1
75 /* This isn't perfect, as some systems might have the page file in
76 another place. Also, I suspect that the time stamp of that file
77 might also change when Windows enlarges the file due to
78 insufficient VM. Still, this seems to be the most reliable way;
79 the alternative (of using GetSystemTimes) won't work on laptops
80 that hibernate, because the system clock is stopped then. Other
81 possibility would be to run "net statistics workstation" and parse
82 the output, but that's gross. So this should do; if the file is
83 not there, the boot time will be returned as zero, and filelock.c
84 already handles that. */
85 #define BOOT_TIME_FILE "C:/pagefile.sys"
87 /* ============================================================ */
89 /* Here, add any special hacks needed to make Emacs work on this
90 system. For example, you might define certain system call names
91 that don't exist on your system, or that do different things on
92 your system and must be used only through an encapsulation (which
93 you should place, by convention, in sysdep.c). */
100 #define inline __inline
104 /* config.h may have defined already. */
106 # define restrict __restrict__
109 /* FIXME: should we define to __restrict, which MSVC supports? */
113 /* `mode_t' is not defined for MSVC. Define. */
115 typedef unsigned short mode_t
;
118 /* A va_copy replacement for MSVC. */
121 # ifndef va_copy /* Need to be checked (?) */
122 # define va_copy(d,s) ((d) = (s))
124 # else /* not _WIN64 */
125 # define va_copy(d,s) ((d) = (s))
126 # endif /* not _WIN64 */
127 #endif /* _MSC_VER */
130 /* Some of the files of Emacs which are intended for use with other
131 programs assume that if you have a config.h file, you must declare
132 the type of getenv. */
133 extern char *getenv ();
136 /* Prevent accidental use of features unavailable in older Windows
137 versions we still support. MinGW64 defines this to a higher value
138 in its system headers, and is not really compatible with values
139 lower than 0x0500, so leave it alone. */
141 # define _WIN32_WINNT 0x0400
144 /* Make a leaner executable. */
145 #define WIN32_LEAN_AND_MEAN 1
147 #include <sys/types.h>
150 #define MAXPATHLEN _MAX_PATH
154 # ifndef HAVE_WINDOW_SYSTEM
155 # define HAVE_WINDOW_SYSTEM 1
158 # define HAVE_MENUS 1
162 /* Get some redefinitions in place. */
167 /* MinGW64 specific stuff. */
168 /* Make sure 'struct timespec' and 'struct timezone' are defined. */
169 #include <sys/types.h>
171 /* This prototype avoids MinGW64 compiler warnings due to the fact
172 that time.h is included before localtime is redirected to
173 sys_localtime below. */
174 extern struct tm
* sys_localtime (const time_t *);
175 /* MinGW64 uses a 2-argument _setjmp, and setjmp is a macro defined to
176 supply the 2nd arg correctly, so don't use _setjmp directly in that
182 #include <sys/timeb.h>
183 #include <sys/stat.h>
186 /* MSVC gets link-time errors without these redirections. */
187 #define fstat(a, b) sys_fstat(a, b)
188 #define stat(a, b) sys_stat(a, b)
189 #define utime sys_utime
192 /* Calls that are emulated or shadowed. */
194 #define chdir sys_chdir
196 #define chmod sys_chmod
198 #define close sys_close
200 #define creat sys_creat
201 #define ctime sys_ctime
205 #define dup2 sys_dup2
206 #define fopen sys_fopen
207 #define link sys_link
208 #define localtime sys_localtime
209 #define mkdir sys_mkdir
211 #define open sys_open
213 #define read sys_read
214 #define rename sys_rename
215 #define rmdir sys_rmdir
216 #define select sys_select
217 #define pselect sys_select
218 #define sleep sys_sleep
219 #define strerror sys_strerror
221 #define unlink sys_unlink
222 /* This prototype is needed because some files include config.h
223 _after_ the standard headers, so sys_unlink gets no prototype from
225 extern int sys_unlink (const char *);
227 #define write sys_write
229 /* Subprocess calls that are emulated. */
230 #define spawnve sys_spawnve
231 #define kill sys_kill
232 #define signal sys_signal
234 /* Internal signals. */
235 #define emacs_raise(sig) emacs_abort()
237 /* termcap.c calls that are emulated. */
238 #define tputs sys_tputs
239 #define tgetstr sys_tgetstr
241 /* cm.c calls that are emulated. */
242 #define chcheckmagic sys_chcheckmagic
243 #define cmcostinit sys_cmcostinit
244 #define cmgoto sys_cmgoto
245 #define cmputc sys_cmputc
246 #define Wcm_clear sys_Wcm_clear
250 /* Map to MSVC names. */
251 #define execlp _execlp
252 #define execvp _execvp
253 #define fdatasync _commit
254 #define fdopen _fdopen
255 #define fsync _commit
256 #define ftruncate _chsize
257 #define getpid _getpid
260 #define snprintf _snprintf
261 #define strtoll _strtoi64
262 #define copysign _copysign
264 #define isatty _isatty
265 #define _longjmp longjmp
268 #define pclose _pclose
270 #define strdup _strdup
271 #define strupr _strupr
272 #define strnicmp _strnicmp
273 #define stricmp _stricmp
276 /* We cannot include system header process.h, since there's src/process.h. */
279 /* Include time.h before redirecting tzname, since MSVC's time.h
280 defines _tzname to call a function, but also declares tzname a
281 2-element array. Having the redirection before including the
282 header thus has the effect of declaring a function that returns an
283 array, and triggers an error message. */
285 #define tzname _tzname
287 /* 'struct timespec' is used by time-related functions in lib/ and
288 elsewhere, but we don't use lib/time.h where the structure is
290 /* MinGW64 defines 'struct timespec' and _TIMESPEC_DEFINED in sys/types.h. */
291 #ifndef _TIMESPEC_DEFINED
294 time_t tv_sec
; /* seconds */
295 long int tv_nsec
; /* nanoseconds */
299 /* Required for functions in lib/time_r.c, since we don't use lib/time.h. */
300 extern struct tm
*gmtime_r (time_t const * restrict
, struct tm
* restrict
);
301 extern struct tm
*localtime_r (time_t const * restrict
, struct tm
* restrict
);
304 /* This is hacky, but is necessary to avoid warnings about macro
305 redefinitions using the MSVC compilers, since, when __STDC__ is
306 undefined or zero, those compilers declare functions like fileno,
307 lseek, and chdir, for which we defined macros above. */
310 #define MUST_UNDEF__STDC__
315 #ifdef MUST_UNDEF__STDC__
317 #undef MUST_UNDEF__STDC__
319 #else /* !_MSC_VER */
323 #endif /* !_MSC_VER */
325 #define fileno _fileno
328 /* Defines that we need that aren't in the standard signal.h. */
329 #define SIGHUP 1 /* Hang up */
330 #define SIGQUIT 3 /* Quit process */
331 #define SIGTRAP 5 /* Trace trap */
332 #define SIGKILL 9 /* Die, die die */
333 #define SIGPIPE 13 /* Write on pipe with no readers */
334 #define SIGALRM 14 /* Alarm */
335 #define SIGCHLD 18 /* Death of child */
336 #define SIGPROF 19 /* Profiling */
343 #define ENOTSUP ENOSYS
346 /* In case lib/errno.h is not used. */
348 #define EOPNOTSUPP 130
352 typedef int sigset_t
;
356 #ifdef _W64 /* MinGW64 */
358 typedef _sigset_t sigset_t
;
362 typedef void (_CALLBACK_
*signal_handler
) (int);
363 extern signal_handler
sys_signal (int, signal_handler
);
367 void (_CALLBACK_
*sa_handler
)(int);
372 #define SIG_SETMASK 2
373 #define SIG_UNBLOCK 3
375 extern int sigemptyset (sigset_t
*);
376 extern int sigaddset (sigset_t
*, int);
377 extern int sigfillset (sigset_t
*);
378 extern int sigprocmask (int, const sigset_t
*, sigset_t
*);
379 extern int pthread_sigmask (int, const sigset_t
*, sigset_t
*);
380 extern int sigismember (const sigset_t
*, int);
381 extern int setpgrp (int, int);
382 extern int sigaction (int, const struct sigaction
*, struct sigaction
*);
383 extern int alarm (int);
385 extern int sys_kill (int, int);
388 /* For integration with MSDOS support. */
389 #define getdisk() (_getdrive () - 1)
391 #define getdefdir(_drv, _buf) ((_buf[0] = (_drv + 'A' - 1), _buf[1] = ':', _buf[2] = '/', _buf[3] = 0), 1)
393 #define getdefdir(_drv, _buf) _getdcwd (_drv, _buf, MAXPATHLEN)
396 #ifndef EMACS_CONFIGURATION
397 extern char *get_emacs_configuration (void);
398 extern char *get_emacs_configuration_options (void);
399 #define EMACS_CONFIGURATION get_emacs_configuration ()
400 #define EMACS_CONFIG_OPTIONS get_emacs_configuration_options ()
403 /* Define this so that winsock.h definitions don't get included with
404 windows.h. For this to have proper effect, config.h must always be
405 included before windows.h. */
406 #define _WINSOCKAPI_ 1
409 /* Defines size_t and alloca (). */
411 #define malloc e_malloc
413 #define realloc e_realloc
414 #define calloc e_calloc
417 #define alloca _alloca
423 #include <sys/stat.h>
425 /* Define for those source files that do not include enough NT system files. */
430 #define NULL ((void *)0)
434 /* For proper declaration of environ. */
436 #define sys_nerr _sys_nerr
439 /* This must be after including stdlib.h, which defines putenv on MinGW. */
443 #define putenv sys_putenv
444 extern int sys_putenv (char *);
446 extern int getloadavg (double *, int);
447 extern int getpagesize (void);
449 extern void * memrchr (void const *, int, size_t);
451 extern int mkostemp (char *, int);
454 #if defined (__MINGW32__)
456 /* Define to 1 if the system has the type `long long int'. */
457 # ifndef HAVE_LONG_LONG_INT
458 # define HAVE_LONG_LONG_INT 1
461 /* Define to 1 if the system has the type `unsigned long long int'. */
462 # ifndef HAVE_UNSIGNED_LONG_LONG_INT
463 # define HAVE_UNSIGNED_LONG_LONG_INT 1
470 typedef __int64 EMACS_INT
;
471 typedef unsigned __int64 EMACS_UINT
;
472 # define EMACS_INT_MAX LLONG_MAX
473 # define PRIuMAX "llu"
475 /* Fix a bug in MSVC headers : stdint.h */
477 # elif defined(_WIN32)
478 /* Temporarily disable wider-than-pointer integers until they're tested more.
479 Build with CFLAGS='-DWIDE_EMACS_INT' to try them out. */
481 # ifdef WIDE_EMACS_INT
483 /* Use pre-C99-style 64-bit integers. */
484 typedef __int64 EMACS_INT
;
485 typedef unsigned __int64 EMACS_UINT
;
486 # define EMACS_INT_MAX LLONG_MAX
487 # define PRIuMAX "llu"
490 typedef int EMACS_INT
;
491 typedef unsigned int EMACS_UINT
;
492 # define EMACS_INT_MAX LONG_MAX
493 # define PRIuMAX "lu"
499 /* We need a little extra space, see ../../lisp/loadup.el. */
500 #define SYSTEM_PURESIZE_EXTRA 50000
502 #define DATA_START get_data_start ()
504 /* For unexec to work on Alpha systems, we need to put Emacs'
505 initialized data into a separate section from the CRT initialized
506 data (because the Alpha linker freely reorders data variables, even
507 across libraries, so our data and the CRT data get intermingled).
509 Starting with MSVC 5.0, we must also place the uninitialized data
510 into its own section. VC5 intermingles uninitialized data from the CRT
511 between Emacs' static uninitialized data and its public uninitialized
512 data. A separate .bss section for Emacs groups both static and
513 public uninitialized together.
515 Note that unexw32.c relies on this fact, and must be modified
516 accordingly if this section name is changed, or if this pragma is
517 removed. Also, obviously, all files that define initialized data
518 must include config.h to pick up this pragma. */
520 /* Names must be < 8 bytes. */
522 #pragma data_seg("EMDATA")
523 #pragma bss_seg("EMBSS")
526 /* #define FULL_DEBUG */
527 /* #define EMACSDEBUG */
530 extern void _DebPrint (const char *fmt
, ...);
531 #define DebPrint(stuff) _DebPrint stuff
533 #define DebPrint(stuff)
537 #if _MSC_VER >= 800 && !defined(__cplusplus)
538 /* Unnamed type definition in parentheses.
539 A structure, union, or enumerated type with no name is defined in a
540 parenthetical expression. The type definition is meaningless. */
541 #pragma warning(disable:4116)
542 /* 'argument' : conversion from 'type1' to 'type2', possible loss of
543 data A floating point type was converted to an integer type. A
544 possible loss of data may have occurred. */
545 #pragma warning(disable:4244)
546 /* Negative integral constant converted to unsigned type.
547 An expression converts a negative integer constant to an unsigned type.
548 The result of the expression is probably meaningless. */
549 #pragma warning(disable:4308)
554 /* ============================================================ */