XOrg/headers/native/src/X11/Xos.h

   1 /*
   2  * $XdotOrg: proto/X11/Xos.h,v 1.9 2006/04/20 01:24:25 alanc Exp $
   3  * $Xorg: Xos.h,v 1.6 2001/02/09 02:03:22 xorgcvs Exp $
   4  *
   5  *
   6 Copyright 1987, 1998  The Open Group
   7
   8 Permission to use, copy, modify, distribute, and sell this software and its
   9 documentation for any purpose is hereby granted without fee, provided that
  10 the above copyright notice appear in all copies and that both that
  11 copyright notice and this permission notice appear in supporting
  12 documentation.
  13
  14 The above copyright notice and this permission notice shall be included in
  15 all copies or substantial portions of the Software.
  16
  17 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
  20 OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22 CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23
  24 Except as contained in this notice, the name of The Open Group shall not be
  25 used in advertising or otherwise to promote the sale, use or other dealings
  26 in this Software without prior written authorization from The Open Group.
  27  *
  28  * The X Window System is a Trademark of The Open Group.
  29  *
  30  */
  31 /* $XFree86: xc/include/Xos.h,v 3.41tsi Exp $ */
  32
  33 /* This is a collection of things to try and minimize system dependencies
  34  * in a "significant" number of source files.
  35  */
  36
  37 #ifndef _XOS_H_
  38 #define _XOS_H_
  39
  40 #include <X11/Xosdefs.h>
  41
  42 /*
  43  * Get major data types (esp. caddr_t)
  44  */
  45
  46 #ifdef USG
  47 #ifndef __TYPES__
  48 #ifdef CRAY
  49 #define word word_t
  50 #endif /* CRAY */
  51 #include <sys/types.h>                  /* forgot to protect it... */
  52 #define __TYPES__
  53 #endif /* __TYPES__ */
  54 #else /* USG */
  55 #if defined(_POSIX_SOURCE) && defined(MOTOROLA)
  56 #undef _POSIX_SOURCE
  57 #include <sys/types.h>
  58 #define _POSIX_SOURCE
  59 #else
  60 # include <sys/types.h>
  61 #endif
  62 #endif /* USG */
  63
  64 #ifndef sgi
  65 #if defined(__SCO__) || defined(__UNIXWARE__)
  66 #include <stdint.h>
  67 #endif
  68 #endif
  69
  70 #ifdef _SEQUENT_
  71 /*
  72  * in_systm.h compatibility between SysV and BSD types u_char u_short u_long
  73  * select.h  for typedef of args to select, fd_set, may use SVR4 later
  74  */
  75 #include <netinet/in_systm.h>
  76 #include <sys/select.h>
  77 #endif /* _SEQUENT_ */
  78
  79 /*
  80  * Just about everyone needs the strings routines.  We provide both forms here,
  81  * index/rindex and strchr/strrchr, so any systems that don't provide them all
  82  * need to have #defines here.
  83  *
  84  * These macros are defined this way, rather than, e.g.:
  85  *    #defined index(s,c) strchr(s,c)
  86  * because someone might be using them as function pointers, and such
  87  * a change would break compatibility for anyone who's relying on them
  88  * being the way they currently are. So we're stuck with them this way,
  89  * which can be really inconvenient. :-(
  90  */
  91
  92 #ifndef X_NOT_STDC_ENV
  93
  94 #include <string.h>
  95 #if defined(__SCO__) || defined(__UNIXWARE__)
  96 #include <strings.h>
  97 #else
  98 #if (defined(sun) && defined(__SVR4))
  99 #include <strings.h>
 100 #endif
 101 #ifdef __STDC__
 102 #ifndef index
 103 #define index(s,c) (strchr((s),(c)))
 104 #endif
 105 #ifndef rindex
 106 #define rindex(s,c) (strrchr((s),(c)))
 107 #endif
 108 #else
 109 #ifndef index
 110 #define index strchr
 111 #endif
 112 #ifndef rindex
 113 #define rindex strrchr
 114 #endif
 115 #endif
 116 #endif
 117
 118 #else
 119
 120 #ifdef SYSV
 121 #if defined(clipper) || defined(__clipper__)
 122 #include <malloc.h>
 123 #endif
 124 #include <string.h>
 125 #define index strchr
 126 #define rindex strrchr
 127 #else
 128 #include <strings.h>
 129 #define strchr index
 130 #define strrchr rindex
 131 #endif
 132
 133 #endif /* X_NOT_STDC_ENV */
 134
 135 /*
 136  * strerror()
 137  */
 138 #if (defined(X_NOT_STDC_ENV) || (defined(sun) && !defined(SVR4)) || defined(macII)) && !defined(__GLIBC__)
 139 #ifndef strerror
 140 extern char *sys_errlist[];
 141 extern int sys_nerr;
 142 #define strerror(n) \
 143     (((n) >= 0 && (n) < sys_nerr) ? sys_errlist[n] : "unknown error")
 144 #endif
 145 #endif
 146
 147 /*
 148  * Get open(2) constants
 149  */
 150 #if defined(X_NOT_POSIX)
 151 #include <fcntl.h>
 152 #if defined(USL) || defined(CRAY) || defined(MOTOROLA) || (defined(i386) && (defined(SYSV) || defined(SVR4))) || defined(__sxg__)
 153 #include <unistd.h>
 154 #endif
 155 #ifdef WIN32
 156 #include <X11/Xw32defs.h>
 157 #else
 158 #include <sys/file.h>
 159 #endif
 160 #else /* X_NOT_POSIX */
 161 #if !defined(_POSIX_SOURCE) && defined(macII)
 162 #define _POSIX_SOURCE
 163 #include <fcntl.h>
 164 #include <unistd.h>
 165 #undef _POSIX_SOURCE
 166 #else
 167 #include <fcntl.h>
 168 #include <unistd.h>
 169 #endif
 170 #endif /* X_NOT_POSIX else */
 171
 172 /*
 173  * Get struct timeval and struct tm
 174  */
 175
 176 #if defined(SYSV) && !defined(_SEQUENT_)
 177
 178 #ifndef USL
 179 #include <sys/time.h>
 180 #endif
 181 #include <time.h>
 182 #ifdef CRAY
 183 #undef word
 184 #endif /* CRAY */
 185 #if defined(USG) && !defined(CRAY) && !defined(MOTOROLA) && !defined(uniosu) && !defined(__sxg__) && !defined(clipper) && !defined(__clipper__)
 186 struct timeval {
 187     long tv_sec;
 188     long tv_usec;
 189 };
 190 #ifndef USL_SHARELIB
 191 struct timezone {
 192     int tz_minuteswest;
 193     int tz_dsttime;
 194 };
 195 #endif /* USL_SHARELIB */
 196 #endif /* USG */
 197
 198 #ifdef _SEQUENT_
 199 struct timezone {
 200     int tz_minuteswest;
 201     int tz_dsttime;
 202 };
 203 #endif /* _SEQUENT_ */
 204
 205 #else /* not SYSV */
 206
 207 #if defined(_POSIX_SOURCE) && defined(SVR4)
 208 /* need to omit _POSIX_SOURCE in order to get what we want in SVR4 */
 209 #undef _POSIX_SOURCE
 210 #include <sys/time.h>
 211 #define _POSIX_SOURCE
 212 #elif defined(WIN32)
 213 #include <time.h>
 214 #if !defined(_WINSOCKAPI_) && !defined(_WILLWINSOCK_) && !defined(_TIMEVAL_DEFINED) && !defined(_STRUCT_TIMEVAL)
 215 struct timeval {
 216     long    tv_sec;         /* seconds */
 217     long    tv_usec;        /* and microseconds */
 218 };
 219 #define _TIMEVAL_DEFINED
 220 #endif
 221 #include <sys/timeb.h>
 222 #define gettimeofday(t) \
 223 { \
 224     struct _timeb _gtodtmp; \
 225     _ftime (&_gtodtmp); \
 226     (t)->tv_sec = _gtodtmp.time; \
 227     (t)->tv_usec = _gtodtmp.millitm * 1000; \
 228 }
 229 #elif defined(_SEQUENT_) || defined(Lynx)
 230 #include <time.h>
 231 #elif defined (__QNX__)
 232 typedef unsigned long fd_mask;
 233 /* Make sure we get 256 bit select masks */
 234 #define FD_SETSIZE 256
 235 #include <sys/select.h>
 236 #include <sys/time.h>
 237 #include <time.h>
 238 #else
 239 #include <sys/time.h>
 240 #include <time.h>
 241 #endif /* defined(_POSIX_SOURCE) && defined(SVR4) */
 242
 243 #endif /* SYSV */
 244
 245 /* define X_GETTIMEOFDAY macro, a portable gettimeofday() */
 246 #if defined(_XOPEN_XPG4) || defined(_XOPEN_UNIX) /* _XOPEN_UNIX is XPG4.2 */
 247 #define X_GETTIMEOFDAY(t) gettimeofday(t, (struct timezone*)0)
 248 #else
 249 #if defined(SVR4) || defined(VMS) || defined(WIN32)
 250 #define X_GETTIMEOFDAY(t) gettimeofday(t)
 251 #else
 252 #define X_GETTIMEOFDAY(t) gettimeofday(t, (struct timezone*)0)
 253 #endif
 254 #endif /* XPG4 else */
 255
 256 #ifdef __UNIXOS2__
 257 typedef unsigned long fd_mask;
 258 #include <limits.h>
 259 #define MAX_PATH _POSIX_PATH_MAX
 260 #endif
 261
 262 #ifdef __GNU__
 263 #define PATH_MAX 4096
 264 #define MAXPATHLEN 4096
 265 #define OPEN_MAX 256 /* We define a reasonable limit.  */
 266 #endif
 267
 268 /* use POSIX name for signal */
 269 #if defined(X_NOT_POSIX) && defined(SYSV) && !defined(SIGCHLD) && !defined(ISC)
 270 #define SIGCHLD SIGCLD
 271 #endif
 272
 273 #ifdef ISC
 274 #include <sys/bsdtypes.h>
 275 #include <sys/limits.h>
 276 #define NGROUPS 16
 277 #endif
 278
 279 #if defined(ISC) || defined(__UNIXOS2__) || \
 280     (defined(__linux__) && !defined(__GLIBC__)) || \
 281     (defined(__QNX__) && !defined(UNIXCONN))
 282 /*
 283  *      Some OS's may not have this
 284  */
 285
 286 #define X_NO_SYS_UN 1
 287
 288 struct sockaddr_un {
 289         short   sun_family;
 290         char    sun_path[108];
 291 };
 292 #endif
 293
 294 #include <X11/Xarch.h>
 295
 296 #endif /* _XOS_H_ */