1 /*
2 * Wine porting definitions
3 *
4 * Copyright 1996 Alexandre Julliard
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21 #ifndef __WINE_WINE_PORT_H
22 #define __WINE_WINE_PORT_H
23
24 #ifndef __WINE_CONFIG_H
25 # error You must include config.h to use this header
26 #endif
27
28 #ifdef __WINE_BASETSD_H
29 # error You must include port.h before all other headers
30 #endif
31
32 #define _GNU_SOURCE /* for pread/pwrite */
33 #include <fcntl.h>
34 #include <math.h>
35 #include <sys/types.h>
36 #include <sys/stat.h>
37 #ifdef HAVE_DIRECT_H
38 # include <direct.h>
39 #endif
40 #ifdef HAVE_IO_H
41 # include <io.h>
42 #endif
43 #ifdef HAVE_PROCESS_H
44 # include <process.h>
45 #endif
46 #include <string.h>
47 #ifdef HAVE_UNISTD_H
48 # include <unistd.h>
49 #endif
50
51
52 /****************************************************************
53 * Type definitions
54 */
55
56 #if !defined(_MSC_VER) && !defined(__int64)
57 # if defined(__x86_64__) || defined(_WIN64)
58 # define __int64 long
59 # else
60 # define __int64 long long
61 # endif
62 #endif
63
64 #ifndef HAVE_MODE_T
65 typedef int mode_t;
66 #endif
67 #ifndef HAVE_OFF_T
68 typedef long off_t;
69 #endif
70 #ifndef HAVE_PID_T
71 typedef int pid_t;
72 #endif
73 #ifndef HAVE_SIZE_T
74 typedef unsigned int size_t;
75 #endif
76 #ifndef HAVE_SSIZE_T
77 typedef int ssize_t;
78 #endif
79 #ifndef HAVE_FSBLKCNT_T
80 typedef unsigned long fsblkcnt_t;
81 #endif
82 #ifndef HAVE_FSFILCNT_T
83 typedef unsigned long fsfilcnt_t;
84 #endif
85
86 #ifndef HAVE_STRUCT_STATVFS_F_BLOCKS
87 struct statvfs
88 {
89 unsigned long f_bsize;
90 unsigned long f_frsize;
91 fsblkcnt_t f_blocks;
92 fsblkcnt_t f_bfree;
93 fsblkcnt_t f_bavail;
94 fsfilcnt_t f_files;
95 fsfilcnt_t f_ffree;
96 fsfilcnt_t f_favail;
97 unsigned long f_fsid;
98 unsigned long f_flag;
99 unsigned long f_namemax;
100 };
101 #endif /* HAVE_STRUCT_STATVFS_F_BLOCKS */
102
103
104 /****************************************************************
105 * Macro definitions
106 */
107
108 #ifdef HAVE_DLFCN_H
109 #include <dlfcn.h>
110 #else
111 #define RTLD_LAZY 0x001
112 #define RTLD_NOW 0x002
113 #define RTLD_GLOBAL 0x100
114 #endif
115
116 #ifdef HAVE_ONE_ARG_MKDIR
117 #define mkdir(path,mode) mkdir(path)
118 #endif
119
120 #if !defined(HAVE_FTRUNCATE) && defined(HAVE_CHSIZE)
121 #define ftruncate chsize
122 #endif
123
124 #if !defined(HAVE_POPEN) && defined(HAVE__POPEN)
125 #define popen _popen
126 #endif
127
128 #if !defined(HAVE_PCLOSE) && defined(HAVE__PCLOSE)
129 #define pclose _pclose
130 #endif
131
132 #if !defined(HAVE_STRDUP) && defined(HAVE__STRDUP)
133 #define strdup _strdup
134 #endif
135
136 #if !defined(HAVE_SNPRINTF) && defined(HAVE__SNPRINTF)
137 #define snprintf _snprintf
138 #endif
139
140 #if !defined(HAVE_VSNPRINTF) && defined(HAVE__VSNPRINTF)
141 #define vsnprintf _vsnprintf
142 #endif
143
144 #if !defined(HAVE_STRTOLL) && defined(HAVE__STRTOI64)
145 #define strtoll _strtoi64
146 #endif
147
148 #if !defined(HAVE_STRTOULL) && defined(HAVE__STRTOUI64)
149 #define strtoull _strtoui64
150 #endif
151
152 #ifndef S_ISLNK
153 # define S_ISLNK(mod) (0)
154 #endif
155
156 #ifndef S_ISSOCK
157 # define S_ISSOCK(mod) (0)
158 #endif
159
160 #ifndef S_ISDIR
161 # define S_ISDIR(mod) (((mod) & _S_IFMT) == _S_IFDIR)
162 #endif
163
164 #ifndef S_ISCHR
165 # define S_ISCHR(mod) (((mod) & _S_IFMT) == _S_IFCHR)
166 #endif
167
168 #ifndef S_ISFIFO
169 # define S_ISFIFO(mod) (((mod) & _S_IFMT) == _S_IFIFO)
170 #endif
171
172 #ifndef S_ISREG
173 # define S_ISREG(mod) (((mod) & _S_IFMT) == _S_IFREG)
174 #endif
175
176 /* So we open files in 64 bit access mode on Linux */
177 #ifndef O_LARGEFILE
178 # define O_LARGEFILE 0
179 #endif
180
181 #ifndef O_NONBLOCK
182 # define O_NONBLOCK 0
183 #endif
184
185 #ifndef O_BINARY
186 # define O_BINARY 0
187 #endif
188
189
190 /****************************************************************
191 * Constants
192 */
193
194 #ifndef M_PI
195 #define M_PI 3.14159265358979323846
196 #endif
197
198 #ifndef M_PI_2
199 #define M_PI_2 1.570796326794896619
200 #endif
201
202
203 /****************************************************************
204 * Function definitions (only when using libwine_port)
205 */
206
207 #ifndef NO_LIBWINE_PORT
208
209 #ifndef HAVE_FSTATVFS
210 int fstatvfs( int fd, struct statvfs *buf );
211 #endif
212
213 #ifndef HAVE_GETOPT_LONG
214 extern char *optarg;
215 extern int optind;
216 extern int opterr;
217 extern int optopt;
218 struct option;
219
220 #ifndef HAVE_STRUCT_OPTION_NAME
221 struct option
222 {
223 const char *name;
224 int has_arg;
225 int *flag;
226 int val;
227 };
228 #endif
229
230 extern int getopt_long (int ___argc, char *const *___argv,
231 const char *__shortopts,
232 const struct option *__longopts, int *__longind);
233 extern int getopt_long_only (int ___argc, char *const *___argv,
234 const char *__shortopts,
235 const struct option *__longopts, int *__longind);
236 #endif /* HAVE_GETOPT_LONG */
237
238 #ifndef HAVE_FFS
239 int ffs( int x );
240 #endif
241
242 #ifndef HAVE_FUTIMES
243 struct timeval;
244 int futimes(int fd, const struct timeval *tv);
245 #endif
246
247 #ifndef HAVE_GETPAGESIZE
248 size_t getpagesize(void);
249 #endif /* HAVE_GETPAGESIZE */
250
251 #ifndef HAVE_GETTID
252 pid_t gettid(void);
253 #endif /* HAVE_GETTID */
254
255 #ifndef HAVE_ISINF
256 int isinf(double x);
257 #endif
258
259 #ifndef HAVE_ISNAN
260 int isnan(double x);
261 #endif
262
263 #ifndef HAVE_LSTAT
264 int lstat(const char *file_name, struct stat *buf);
265 #endif /* HAVE_LSTAT */
266
267 #ifndef HAVE_MEMMOVE
268 void *memmove(void *dest, const void *src, size_t len);
269 #endif /* !defined(HAVE_MEMMOVE) */
270
271 #ifndef HAVE_POLL
272 struct pollfd
273 {
274 int fd;
275 short events;
276 short revents;
277 };
278 #define POLLIN 0x01
279 #define POLLPRI 0x02
280 #define POLLOUT 0x04
281 #define POLLERR 0x08
282 #define POLLHUP 0x10
283 #define POLLNVAL 0x20
284 int poll( struct pollfd *fds, unsigned int count, int timeout );
285 #endif /* HAVE_POLL */
286
287 #ifndef HAVE_PREAD
288 ssize_t pread( int fd, void *buf, size_t count, off_t offset );
289 #endif /* HAVE_PREAD */
290
291 #ifndef HAVE_PWRITE
292 ssize_t pwrite( int fd, const void *buf, size_t count, off_t offset );
293 #endif /* HAVE_PWRITE */
294
295 #ifndef HAVE_READLINK
296 int readlink( const char *path, char *buf, size_t size );
297 #endif /* HAVE_READLINK */
298
299 #ifndef HAVE_STATVFS
300 int statvfs( const char *path, struct statvfs *buf );
301 #endif
302
303 #ifndef HAVE_STRNCASECMP
304 # ifndef HAVE__STRNICMP
305 int strncasecmp(const char *str1, const char *str2, size_t n);
306 # else
307 # define strncasecmp _strnicmp
308 # endif
309 #endif /* !defined(HAVE_STRNCASECMP) */
310
311 #ifndef HAVE_STRERROR
312 const char *strerror(int err);
313 #endif /* !defined(HAVE_STRERROR) */
314
315 #ifndef HAVE_STRCASECMP
316 # ifndef HAVE__STRICMP
317 int strcasecmp(const char *str1, const char *str2);
318 # else
319 # define strcasecmp _stricmp
320 # endif
321 #endif /* !defined(HAVE_STRCASECMP) */
322
323 #ifndef HAVE_SYMLINK
324 int symlink(const char *from, const char *to);
325 #endif
326
327 #ifndef HAVE_USLEEP
328 int usleep (unsigned int useconds);
329 #endif /* !defined(HAVE_USLEEP) */
330
331 #ifdef __i386__
332 static inline void *memcpy_unaligned( void *dst, const void *src, size_t size )
333 {
334 return memcpy( dst, src, size );
335 }
336 #else
337 extern void *memcpy_unaligned( void *dst, const void *src, size_t size );
338 #endif /* __i386__ */
339
340 extern int mkstemps(char *template, int suffix_len);
341
342 /* Process creation flags */
343 #ifndef _P_WAIT
344 # define _P_WAIT 0
345 # define _P_NOWAIT 1
346 # define _P_OVERLAY 2
347 # define _P_NOWAITO 3
348 # define _P_DETACH 4
349 #endif
350 #ifndef HAVE_SPAWNVP
351 extern int spawnvp(int mode, const char *cmdname, const char * const argv[]);
352 #endif
353
354 /* Interlocked functions */
355
356 #if defined(__GNUC__) && (defined(__i386__) || defined(__x86_64__))
357
358 extern inline int interlocked_cmpxchg( int *dest, int xchg, int compare );
359 extern inline void *interlocked_cmpxchg_ptr( void **dest, void *xchg, void *compare );
360 extern __int64 interlocked_cmpxchg64( __int64 *dest, __int64 xchg, __int64 compare );
361 extern inline int interlocked_xchg( int *dest, int val );
362 extern inline void *interlocked_xchg_ptr( void **dest, void *val );
363 extern inline int interlocked_xchg_add( int *dest, int incr );
364
365 extern inline int interlocked_cmpxchg( int *dest, int xchg, int compare )
366 {
367 int ret;
368 __asm__ __volatile__( "lock; cmpxchgl %2,(%1)"
369 : "=a" (ret) : "r" (dest), "r" (xchg), "" (compare) : "memory" );
370 return ret;
371 }
372
373 extern inline void *interlocked_cmpxchg_ptr( void **dest, void *xchg, void *compare )
374 {
375 void *ret;
376 #ifdef __x86_64__
377 __asm__ __volatile__( "lock; cmpxchgq %2,(%1)"
378 : "=a" (ret) : "r" (dest), "r" (xchg), "" (compare) : "memory" );
379 #else
380 __asm__ __volatile__( "lock; cmpxchgl %2,(%1)"
381 : "=a" (ret) : "r" (dest), "r" (xchg), "" (compare) : "memory" );
382 #endif
383 return ret;
384 }
385
386 extern inline int interlocked_xchg( int *dest, int val )
387 {
388 int ret;
389 __asm__ __volatile__( "lock; xchgl %0,(%1)"
390 : "=r" (ret) : "r" (dest), "" (val) : "memory" );
391 return ret;
392 }
393
394 extern inline void *interlocked_xchg_ptr( void **dest, void *val )
395 {
396 void *ret;
397 #ifdef __x86_64__
398 __asm__ __volatile__( "lock; xchgq %0,(%1)"
399 : "=r" (ret) :"r" (dest), "" (val) : "memory" );
400 #else
401 __asm__ __volatile__( "lock; xchgl %0,(%1)"
402 : "=r" (ret) : "r" (dest), "" (val) : "memory" );
403 #endif
404 return ret;
405 }
406
407 extern inline int interlocked_xchg_add( int *dest, int incr )
408 {
409 int ret;
410 __asm__ __volatile__( "lock; xaddl %0,(%1)"
411 : "=r" (ret) : "r" (dest), "" (incr) : "memory" );
412 return ret;
413 }
414
415 #ifdef __x86_64__
416 extern inline unsigned char interlocked_cmpxchg128( __int64 *dest, __int64 xchg_high,
417 __int64 xchg_low, __int64 *compare );
418 extern inline unsigned char interlocked_cmpxchg128( __int64 *dest, __int64 xchg_high,
419 __int64 xchg_low, __int64 *compare )
420 {
421 unsigned char ret;
422 __asm__ __volatile__( "lock cmpxchg16b %0; setz %b2"
423 : "=m" (dest[0]), "=m" (dest[1]), "=r" (ret),
424 "=a" (compare[0]), "=d" (compare[1])
425 : "m" (dest[0]), "m" (dest[1]), "3" (compare[0]), "4" (compare[1]),
426 "c" (xchg_high), "b" (xchg_low) );
427 return ret;
428 }
429 #endif
430
431 #else /* __GNUC__ */
432
433 extern int interlocked_cmpxchg( int *dest, int xchg, int compare );
434 extern void *interlocked_cmpxchg_ptr( void **dest, void *xchg, void *compare );
435 extern __int64 interlocked_cmpxchg64( __int64 *dest, __int64 xchg, __int64 compare );
436 extern int interlocked_xchg( int *dest, int val );
437 extern void *interlocked_xchg_ptr( void **dest, void *val );
438 extern int interlocked_xchg_add( int *dest, int incr );
439 #ifdef _WIN64
440 extern unsigned char interlocked_cmpxchg128( __int64 *dest, __int64 xchg_high,
441 __int64 xchg_low, __int64 *compare );
442 #endif
443
444 #endif /* __GNUC__ */
445
446 #else /* NO_LIBWINE_PORT */
447
448 #define __WINE_NOT_PORTABLE(func) func##_is_not_portable func##_is_not_portable
449
450 #define ffs __WINE_NOT_PORTABLE(ffs)
451 #define fstatvfs __WINE_NOT_PORTABLE(fstatvfs)
452 #define futimes __WINE_NOT_PORTABLE(futimes)
453 #define getopt_long __WINE_NOT_PORTABLE(getopt_long)
454 #define getopt_long_only __WINE_NOT_PORTABLE(getopt_long_only)
455 #define getpagesize __WINE_NOT_PORTABLE(getpagesize)
456 #define interlocked_cmpxchg __WINE_NOT_PORTABLE(interlocked_cmpxchg)
457 #define interlocked_cmpxchg_ptr __WINE_NOT_PORTABLE(interlocked_cmpxchg_ptr)
458 #define interlocked_xchg __WINE_NOT_PORTABLE(interlocked_xchg)
459 #define interlocked_xchg_ptr __WINE_NOT_PORTABLE(interlocked_xchg_ptr)
460 #define interlocked_xchg_add __WINE_NOT_PORTABLE(interlocked_xchg_add)
461 #define lstat __WINE_NOT_PORTABLE(lstat)
462 #define memcpy_unaligned __WINE_NOT_PORTABLE(memcpy_unaligned)
463 #undef memmove
464 #define memmove __WINE_NOT_PORTABLE(memmove)
465 #define pread __WINE_NOT_PORTABLE(pread)
466 #define pwrite __WINE_NOT_PORTABLE(pwrite)
467 #define spawnvp __WINE_NOT_PORTABLE(spawnvp)
468 #define statvfs __WINE_NOT_PORTABLE(statvfs)
469 #define strcasecmp __WINE_NOT_PORTABLE(strcasecmp)
470 #define strerror __WINE_NOT_PORTABLE(strerror)
471 #define strncasecmp __WINE_NOT_PORTABLE(strncasecmp)
472 #define usleep __WINE_NOT_PORTABLE(usleep)
473
474 #endif /* NO_LIBWINE_PORT */
475
476 #endif /* !defined(__WINE_WINE_PORT_H) */
477
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