src/s/ms-w32.h

   1 /* System description file for Windows NT.
   2
   3 Copyright (C) 1993-1995, 2001-2011  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
  10 (at 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 <http://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 #ifndef DOS_NT
  27 #define DOS_NT  /* MSDOS or WINDOWSNT */
  28 #endif
  29
  30 /* If you are compiling with a non-C calling convention but need to
  31    declare vararg routines differently, put it here.  */
  32 #define _VARARGS_ __cdecl
  33
  34 /* If you are providing a function to something that will call the
  35    function back (like a signal handler and signal, or main) its calling
  36    convention must be whatever standard the libraries expect.  */
  37 #define _CALLBACK_ __cdecl
  38
  39 /* SYSTEM_TYPE should indicate the kind of system you are using.
  40    It sets the Lisp variable system-type.  */
  41 #define SYSTEM_TYPE "windows-nt"
  42
  43 #define NO_MATHERR 1
  44
  45 /* Letter to use in finding device name of first pty,
  46    if system supports pty's.  'a' means it is /dev/ptya0  */
  47 #define FIRST_PTY_LETTER 'a'
  48
  49 /* Define HAVE_TIMEVAL if the system supports the BSD style clock values.
  50    Look in <sys/time.h> for a timeval structure.  */
  51 #define HAVE_TIMEVAL 1
  52
  53 /* NT supports Winsock which is close enough (with some hacks).  */
  54 #define HAVE_SOCKETS 1
  55
  56 /* But our select implementation doesn't allow us to make non-blocking
  57    connects.  So until that is fixed, this is necessary:  */
  58 #define BROKEN_NON_BLOCKING_CONNECT 1
  59
  60 /* And the select implementation does 1-byte read-ahead waiting
  61    for received packets, so datagrams are broken too.  */
  62 #define BROKEN_DATAGRAM_SOCKETS 1
  63
  64 #define MAIL_USE_POP 1
  65 #define MAIL_USE_SYSTEM_LOCK 1
  66
  67 /* If the character used to separate elements of the executable path
  68    is not ':', #define this to be the appropriate character constant.  */
  69 #define SEPCHAR ';'
  70
  71 #define ORDINARY_LINK 1
  72
  73 /* ============================================================ */
  74
  75 /* Here, add any special hacks needed to make Emacs work on this
  76    system.  For example, you might define certain system call names
  77    that don't exist on your system, or that do different things on
  78    your system and must be used only through an encapsulation (which
  79    you should place, by convention, in sysdep.c).  */
  80
  81 /* Define this to be the separator between devices and paths.  */
  82 #define DEVICE_SEP ':'
  83
  84 /* We'll support either convention on NT.  */
  85 #define IS_DIRECTORY_SEP(_c_) ((_c_) == '/' || (_c_) == '\\')
  86 #define IS_ANY_SEP(_c_) (IS_DIRECTORY_SEP (_c_) || IS_DEVICE_SEP (_c_))
  87
  88 #include <sys/types.h>
  89 struct sigaction {
  90   int sa_flags;
  91   void (*sa_handler)(int);
  92   sigset_t sa_mask;
  93 };
  94 #define SIG_BLOCK       1
  95 #define SIG_SETMASK     2
  96 #define SIG_UNBLOCK     3
  97
  98 /* The null device on Windows NT.  */
  99 #define NULL_DEVICE     "NUL:"
 100
 101 #ifndef MAXPATHLEN
 102 #define MAXPATHLEN      _MAX_PATH
 103 #endif
 104
 105 #define HAVE_SOUND  1
 106 #define LISP_FLOAT_TYPE 1
 107
 108 #define HAVE_SYS_TIMEB_H 1
 109 #define HAVE_SYS_TIME_H 1
 110 #define HAVE_UNISTD_H 1
 111 #undef  HAVE_UTIME_H
 112 #undef  HAVE_LINUX_VERSION_H
 113 #undef  HAVE_SYS_SYSTEMINFO_H
 114 #define HAVE_PWD_H 1
 115 #define TIME_WITH_SYS_TIME 1
 116
 117 #define HAVE_GETTIMEOFDAY 1
 118 #define HAVE_GETHOSTNAME 1
 119 #undef  HAVE_GETDOMAINNAME
 120 #define HAVE_DUP2 1
 121 #define HAVE_RENAME 1
 122 #define HAVE_CLOSEDIR 1
 123 #define HAVE_FSYNC 1            /* fsync is called _commit in MSVC.  */
 124
 125 #undef  TM_IN_SYS_TIME
 126 #undef  HAVE_TM_ZONE
 127
 128 #define HAVE_LONG_FILE_NAMES 1
 129
 130 #define HAVE_MKDIR 1
 131 #define HAVE_RMDIR 1
 132 #define HAVE_RANDOM 1
 133 #undef  HAVE_SYSINFO
 134 #undef  HAVE_LRAND48
 135 #define HAVE_MEMCMP 1
 136 #define HAVE_MEMCPY 1
 137 #define HAVE_MEMMOVE 1
 138 #define HAVE_MEMSET 1
 139 #define HAVE_LOGB 1
 140 #define HAVE_FREXP 1
 141 #define HAVE_FMOD 1
 142 #undef  HAVE_RINT
 143 #undef  HAVE_CBRT
 144 #define HAVE_FTIME 1
 145 #undef  HAVE_RES_INIT /* For -lresolv on Suns.  */
 146 #undef  HAVE_SETSID
 147 #undef  HAVE_FPATHCONF
 148 #define HAVE_SELECT 1
 149 #undef  HAVE_EUIDACCESS
 150 #define HAVE_GETPAGESIZE 1
 151 #define HAVE_TZSET 1
 152 #define HAVE_SETLOCALE 1
 153 #undef  HAVE_UTIMES
 154 #undef  HAVE_SETRLIMIT
 155 #undef  HAVE_SETPGID
 156 #undef  HAVE_GETCWD
 157 #define HAVE_SHUTDOWN 1
 158
 159 #define LOCALTIME_CACHE
 160 #define HAVE_INET_SOCKETS 1
 161
 162 #undef  HAVE_AIX_SMT_EXP
 163 #define USE_TOOLKIT_SCROLL_BARS 1
 164
 165 /* Define if you have the ANSI `strerror' function.
 166    Otherwise you must have the variable `char *sys_errlist[]'.  */
 167 #define HAVE_STRERROR 1
 168
 169 /* Define if `struct utimbuf' is declared by <utime.h>.  */
 170 #undef  HAVE_STRUCT_UTIMBUF
 171
 172 #define HAVE_MOUSE 1
 173 #define HAVE_H_ERRNO 1
 174
 175 #ifdef HAVE_NTGUI
 176 #define HAVE_WINDOW_SYSTEM 1
 177 #define HAVE_MENUS 1
 178 #endif
 179
 180 /* Get some redefinitions in place.  */
 181
 182 #ifdef emacs
 183
 184 /* Calls that are emulated or shadowed.  */
 185 #undef access
 186 #define access  sys_access
 187 #undef chdir
 188 #define chdir   sys_chdir
 189 #undef chmod
 190 #define chmod   sys_chmod
 191 #define chown   sys_chown
 192 #undef close
 193 #define close   sys_close
 194 #undef creat
 195 #define creat   sys_creat
 196 #define ctime   sys_ctime
 197 #undef dup
 198 #define dup     sys_dup
 199 #undef dup2
 200 #define dup2    sys_dup2
 201 #define fopen   sys_fopen
 202 #define link    sys_link
 203 #define localtime sys_localtime
 204 #define mkdir   sys_mkdir
 205 #undef mktemp
 206 #define mktemp  sys_mktemp
 207 #undef open
 208 #define open    sys_open
 209 #define pipe    sys_pipe
 210 #undef read
 211 #define read    sys_read
 212 #define rename  sys_rename
 213 #define rmdir   sys_rmdir
 214 #define select  sys_select
 215 #define sleep   sys_sleep
 216 #define strerror sys_strerror
 217 #undef unlink
 218 #define unlink  sys_unlink
 219 #undef write
 220 #define write   sys_write
 221
 222 /* Subprocess calls that are emulated.  */
 223 #define spawnve sys_spawnve
 224 #define wait    sys_wait
 225 #define kill    sys_kill
 226 #define signal  sys_signal
 227
 228 /* termcap.c calls that are emulated.  */
 229 #define tputs   sys_tputs
 230 #define tgetstr sys_tgetstr
 231
 232 /* cm.c calls that are emulated.  */
 233 #define chcheckmagic sys_chcheckmagic
 234 #define cmcostinit   sys_cmcostinit
 235 #define cmgoto       sys_cmgoto
 236 #define cmputc       sys_cmputc
 237 #define Wcm_clear    sys_Wcm_clear
 238
 239 #endif /* emacs */
 240
 241 /* Map to MSVC names.  */
 242 #define execlp    _execlp
 243 #define execvp    _execvp
 244 #define fdopen    _fdopen
 245 #ifndef fileno
 246 #define fileno    _fileno
 247 #endif
 248 #define fsync     _commit
 249 #define ftruncate _chsize
 250 #define getpid    _getpid
 251 #ifdef _MSC_VER
 252 typedef int pid_t;
 253 #endif
 254 #define isatty    _isatty
 255 #define logb      _logb
 256 #define _longjmp  longjmp
 257 #define lseek     _lseek
 258 #define popen     _popen
 259 #define pclose    _pclose
 260 #define umask     _umask
 261 #define utimbuf   _utimbuf
 262 #define strdup    _strdup
 263 #define strupr    _strupr
 264 #define strnicmp  _strnicmp
 265 #define stricmp   _stricmp
 266 #define tzset     _tzset
 267
 268 #if !defined (_MSC_VER) || (_MSC_VER < 1400)
 269 #define tzname    _tzname
 270 #define utime     _utime
 271 #endif
 272
 273 /* This is hacky, but is necessary to avoid warnings about macro
 274    redefinitions using the SDK compilers.  */
 275 #ifndef __STDC__
 276 #define __STDC__ 1
 277 #define MUST_UNDEF__STDC__
 278 #endif
 279 #include <direct.h>
 280 #include <io.h>
 281 #include <stdio.h>
 282 #ifdef MUST_UNDEF__STDC__
 283 #undef __STDC__
 284 #undef MUST_UNDEF__STDC__
 285 #endif
 286
 287 /* Defines that we need that aren't in the standard signal.h.  */
 288 #define SIGHUP  1               /* Hang up */
 289 #define SIGQUIT 3               /* Quit process */
 290 #define SIGTRAP 5               /* Trace trap */
 291 #define SIGKILL 9               /* Die, die die */
 292 #define SIGPIPE 13              /* Write on pipe with no readers */
 293 #define SIGALRM 14              /* Alarm */
 294 #define SIGCHLD 18              /* Death of child */
 295
 296 #ifndef NSIG
 297 #define NSIG 23
 298 #endif
 299
 300 /* For integration with MSDOS support.  */
 301 #define getdisk()               (_getdrive () - 1)
 302 #ifdef emacs
 303 #define getdefdir(_drv, _buf)   ((_buf[0] = (_drv + 'A' - 1), _buf[1] = ':', _buf[2] = '/', _buf[3] = 0), 1)
 304 #else
 305 #define getdefdir(_drv, _buf)   _getdcwd (_drv, _buf, MAXPATHLEN)
 306 #endif
 307
 308 extern char *get_emacs_configuration (void);
 309 extern char *get_emacs_configuration_options (void);
 310 #define EMACS_CONFIGURATION     get_emacs_configuration ()
 311 #define EMACS_CONFIG_OPTIONS    get_emacs_configuration_options ()
 312
 313 /* Define this so that winsock.h definitions don't get included with
 314    windows.h.  For this to have proper effect, config.h must always be
 315    included before windows.h.  */
 316 #define _WINSOCKAPI_    1
 317 #define _WINSOCK_H
 318
 319 /* Defines size_t and alloca ().  */
 320 #ifdef USE_CRT_DLL
 321 #define malloc e_malloc
 322 #define free   e_free
 323 #define realloc e_realloc
 324 #define calloc e_calloc
 325 #endif
 326 #include <malloc.h>
 327
 328 #include <sys/stat.h>
 329
 330 /* Define for those source files that do not include enough NT system files.  */
 331 #ifndef NULL
 332 #ifdef __cplusplus
 333 #define NULL    0
 334 #else
 335 #define NULL    ((void *)0)
 336 #endif
 337 #endif
 338
 339 /* For proper declaration of environ.  */
 340 #include <stdlib.h>
 341 #ifndef sys_nerr
 342 #define sys_nerr _sys_nerr
 343 #endif
 344 #include <string.h>
 345
 346 extern int getloadavg (double *, int);
 347
 348 /* We need a little extra space, see ../../lisp/loadup.el.  */
 349 #define SYSTEM_PURESIZE_EXTRA 50000
 350
 351 /* For unexec to work on Alpha systems, we need to put Emacs'
 352    initialized data into a separate section from the CRT initialized
 353    data (because the Alpha linker freely reorders data variables, even
 354    across libraries, so our data and the CRT data get intermingled).
 355
 356    Starting with MSVC 5.0, we must also place the uninitialized data
 357    into its own section.  VC5 intermingles uninitialized data from the CRT
 358    between Emacs' static uninitialized data and its public uninitialized
 359    data.  A separate .bss section for Emacs groups both static and
 360    public uninitialized together.
 361
 362    Note that unexw32.c relies on this fact, and must be modified
 363    accordingly if this section name is changed, or if this pragma is
 364    removed.  Also, obviously, all files that define initialized data
 365    must include config.h to pick up this pragma.  */
 366
 367 /* Names must be < 8 bytes.  */
 368 #ifdef _MSC_VER
 369 #pragma data_seg("EMDATA")
 370 #pragma bss_seg("EMBSS")
 371 #endif
 372
 373 /* #define FULL_DEBUG */
 374 /* #define EMACSDEBUG */
 375
 376 #ifdef EMACSDEBUG
 377 extern void _DebPrint (const char *fmt, ...);
 378 #define DebPrint(stuff) _DebPrint stuff
 379 #else
 380 #define DebPrint(stuff)
 381 #endif
 382
 383
 384 /* ============================================================ */