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Diffstat (limited to 'gl/fcntl.in.h')
-rw-r--r-- | gl/fcntl.in.h | 445 |
1 files changed, 445 insertions, 0 deletions
diff --git a/gl/fcntl.in.h b/gl/fcntl.in.h new file mode 100644 index 00000000..e034eaf9 --- /dev/null +++ b/gl/fcntl.in.h | |||
@@ -0,0 +1,445 @@ | |||
1 | /* Like <fcntl.h>, but with non-working flags defined to 0. | ||
2 | |||
3 | Copyright (C) 2006-2023 Free Software Foundation, Inc. | ||
4 | |||
5 | This file is free software: you can redistribute it and/or modify | ||
6 | it under the terms of the GNU Lesser General Public License as | ||
7 | published by the Free Software Foundation; either version 2.1 of the | ||
8 | License, or (at your option) any later version. | ||
9 | |||
10 | This file is distributed in the hope that it will be useful, | ||
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
13 | GNU Lesser General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU Lesser General Public License | ||
16 | along with this program. If not, see <https://www.gnu.org/licenses/>. */ | ||
17 | |||
18 | /* written by Paul Eggert */ | ||
19 | |||
20 | #if __GNUC__ >= 3 | ||
21 | @PRAGMA_SYSTEM_HEADER@ | ||
22 | #endif | ||
23 | @PRAGMA_COLUMNS@ | ||
24 | |||
25 | #if defined __need_system_fcntl_h | ||
26 | /* Special invocation convention. */ | ||
27 | |||
28 | /* Needed before <sys/stat.h>. | ||
29 | May also define off_t to a 64-bit type on native Windows. */ | ||
30 | #include <sys/types.h> | ||
31 | /* On some systems other than glibc, <sys/stat.h> is a prerequisite of | ||
32 | <fcntl.h>. On glibc systems, we would like to avoid namespace pollution. | ||
33 | But on glibc systems, <fcntl.h> includes <sys/stat.h> inside an | ||
34 | extern "C" { ... } block, which leads to errors in C++ mode with the | ||
35 | overridden <sys/stat.h> from gnulib. These errors are known to be gone | ||
36 | with g++ version >= 4.3. */ | ||
37 | #if !(defined __GLIBC__ || defined __UCLIBC__) || (defined __cplusplus && defined GNULIB_NAMESPACE && (defined __ICC || !(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)))) | ||
38 | # include <sys/stat.h> | ||
39 | #endif | ||
40 | #@INCLUDE_NEXT@ @NEXT_FCNTL_H@ | ||
41 | |||
42 | /* Native Windows platforms declare open(), creat() in <io.h>. */ | ||
43 | #if (@GNULIB_CREAT@ || @GNULIB_OPEN@ || defined GNULIB_POSIXCHECK) \ | ||
44 | && (defined _WIN32 && ! defined __CYGWIN__) | ||
45 | # include <io.h> | ||
46 | #endif | ||
47 | |||
48 | #else | ||
49 | /* Normal invocation convention. */ | ||
50 | |||
51 | #ifndef _@GUARD_PREFIX@_FCNTL_H | ||
52 | |||
53 | /* Needed before <sys/stat.h>. | ||
54 | May also define off_t to a 64-bit type on native Windows. */ | ||
55 | #include <sys/types.h> | ||
56 | /* On some systems other than glibc, <sys/stat.h> is a prerequisite of | ||
57 | <fcntl.h>. On glibc systems, we would like to avoid namespace pollution. | ||
58 | But on glibc systems, <fcntl.h> includes <sys/stat.h> inside an | ||
59 | extern "C" { ... } block, which leads to errors in C++ mode with the | ||
60 | overridden <sys/stat.h> from gnulib. These errors are known to be gone | ||
61 | with g++ version >= 4.3. */ | ||
62 | #if !(defined __GLIBC__ || defined __UCLIBC__) || (defined __cplusplus && defined GNULIB_NAMESPACE && (defined __ICC || !(__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 3)))) | ||
63 | # include <sys/stat.h> | ||
64 | #endif | ||
65 | /* The include_next requires a split double-inclusion guard. */ | ||
66 | #@INCLUDE_NEXT@ @NEXT_FCNTL_H@ | ||
67 | |||
68 | /* Native Windows platforms declare open(), creat() in <io.h>. */ | ||
69 | #if (@GNULIB_CREAT@ || @GNULIB_OPEN@ || defined GNULIB_POSIXCHECK) \ | ||
70 | && (defined _WIN32 && ! defined __CYGWIN__) | ||
71 | # include <io.h> | ||
72 | #endif | ||
73 | |||
74 | #ifndef _@GUARD_PREFIX@_FCNTL_H | ||
75 | #define _@GUARD_PREFIX@_FCNTL_H | ||
76 | |||
77 | #ifndef __GLIBC__ /* Avoid namespace pollution on glibc systems. */ | ||
78 | # include <unistd.h> | ||
79 | #endif | ||
80 | |||
81 | |||
82 | /* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ | ||
83 | |||
84 | /* The definition of _GL_ARG_NONNULL is copied here. */ | ||
85 | |||
86 | /* The definition of _GL_WARN_ON_USE is copied here. */ | ||
87 | |||
88 | |||
89 | /* Declare overridden functions. */ | ||
90 | |||
91 | #if @GNULIB_CREAT@ | ||
92 | # if @REPLACE_CREAT@ | ||
93 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | ||
94 | # undef creat | ||
95 | # define creat rpl_creat | ||
96 | # endif | ||
97 | _GL_FUNCDECL_RPL (creat, int, (const char *filename, mode_t mode) | ||
98 | _GL_ARG_NONNULL ((1))); | ||
99 | _GL_CXXALIAS_RPL (creat, int, (const char *filename, mode_t mode)); | ||
100 | # elif defined _WIN32 && !defined __CYGWIN__ | ||
101 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | ||
102 | # undef creat | ||
103 | # define creat _creat | ||
104 | # endif | ||
105 | _GL_CXXALIAS_MDA (creat, int, (const char *filename, mode_t mode)); | ||
106 | # else | ||
107 | _GL_CXXALIAS_SYS (creat, int, (const char *filename, mode_t mode)); | ||
108 | # endif | ||
109 | _GL_CXXALIASWARN (creat); | ||
110 | #elif defined GNULIB_POSIXCHECK | ||
111 | # undef creat | ||
112 | /* Assume creat is always declared. */ | ||
113 | _GL_WARN_ON_USE (creat, "creat is not always POSIX compliant - " | ||
114 | "use gnulib module creat for portability"); | ||
115 | #elif @GNULIB_MDA_CREAT@ | ||
116 | /* On native Windows, map 'creat' to '_creat', so that -loldnames is not | ||
117 | required. In C++ with GNULIB_NAMESPACE, avoid differences between | ||
118 | platforms by defining GNULIB_NAMESPACE::creat always. */ | ||
119 | # if defined _WIN32 && !defined __CYGWIN__ | ||
120 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | ||
121 | # undef creat | ||
122 | # define creat _creat | ||
123 | # endif | ||
124 | /* Need to cast, because in mingw the last argument is 'int mode'. */ | ||
125 | _GL_CXXALIAS_MDA_CAST (creat, int, (const char *filename, mode_t mode)); | ||
126 | # else | ||
127 | _GL_CXXALIAS_SYS (creat, int, (const char *filename, mode_t mode)); | ||
128 | # endif | ||
129 | _GL_CXXALIASWARN (creat); | ||
130 | #endif | ||
131 | |||
132 | #if @GNULIB_FCNTL@ | ||
133 | # if @REPLACE_FCNTL@ | ||
134 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | ||
135 | # undef fcntl | ||
136 | # define fcntl rpl_fcntl | ||
137 | # endif | ||
138 | _GL_FUNCDECL_RPL (fcntl, int, (int fd, int action, ...)); | ||
139 | _GL_CXXALIAS_RPL (fcntl, int, (int fd, int action, ...)); | ||
140 | # if !GNULIB_defined_rpl_fcntl | ||
141 | # define GNULIB_defined_rpl_fcntl 1 | ||
142 | # endif | ||
143 | # else | ||
144 | # if !@HAVE_FCNTL@ | ||
145 | _GL_FUNCDECL_SYS (fcntl, int, (int fd, int action, ...)); | ||
146 | # if !GNULIB_defined_fcntl | ||
147 | # define GNULIB_defined_fcntl 1 | ||
148 | # endif | ||
149 | # endif | ||
150 | _GL_CXXALIAS_SYS (fcntl, int, (int fd, int action, ...)); | ||
151 | # endif | ||
152 | _GL_CXXALIASWARN (fcntl); | ||
153 | #elif defined GNULIB_POSIXCHECK | ||
154 | # undef fcntl | ||
155 | # if HAVE_RAW_DECL_FCNTL | ||
156 | _GL_WARN_ON_USE (fcntl, "fcntl is not always POSIX compliant - " | ||
157 | "use gnulib module fcntl for portability"); | ||
158 | # endif | ||
159 | #endif | ||
160 | |||
161 | #if @GNULIB_OPEN@ | ||
162 | # if @REPLACE_OPEN@ | ||
163 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | ||
164 | # undef open | ||
165 | # define open rpl_open | ||
166 | # endif | ||
167 | _GL_FUNCDECL_RPL (open, int, (const char *filename, int flags, ...) | ||
168 | _GL_ARG_NONNULL ((1))); | ||
169 | _GL_CXXALIAS_RPL (open, int, (const char *filename, int flags, ...)); | ||
170 | # elif defined _WIN32 && !defined __CYGWIN__ | ||
171 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | ||
172 | # undef open | ||
173 | # define open _open | ||
174 | # endif | ||
175 | _GL_CXXALIAS_MDA (open, int, (const char *filename, int flags, ...)); | ||
176 | # else | ||
177 | _GL_CXXALIAS_SYS (open, int, (const char *filename, int flags, ...)); | ||
178 | # endif | ||
179 | /* On HP-UX 11, in C++ mode, open() is defined as an inline function with a | ||
180 | default argument. _GL_CXXALIASWARN does not work in this case. */ | ||
181 | # if !defined __hpux | ||
182 | _GL_CXXALIASWARN (open); | ||
183 | # endif | ||
184 | #elif defined GNULIB_POSIXCHECK | ||
185 | # undef open | ||
186 | /* Assume open is always declared. */ | ||
187 | _GL_WARN_ON_USE (open, "open is not always POSIX compliant - " | ||
188 | "use gnulib module open for portability"); | ||
189 | #elif @GNULIB_MDA_OPEN@ | ||
190 | /* On native Windows, map 'open' to '_open', so that -loldnames is not | ||
191 | required. In C++ with GNULIB_NAMESPACE, avoid differences between | ||
192 | platforms by defining GNULIB_NAMESPACE::open always. */ | ||
193 | # if defined _WIN32 && !defined __CYGWIN__ | ||
194 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | ||
195 | # undef open | ||
196 | # define open _open | ||
197 | # endif | ||
198 | _GL_CXXALIAS_MDA (open, int, (const char *filename, int flags, ...)); | ||
199 | # else | ||
200 | _GL_CXXALIAS_SYS (open, int, (const char *filename, int flags, ...)); | ||
201 | # endif | ||
202 | # if !defined __hpux | ||
203 | _GL_CXXALIASWARN (open); | ||
204 | # endif | ||
205 | #endif | ||
206 | |||
207 | #if @GNULIB_OPENAT@ | ||
208 | # if @REPLACE_OPENAT@ | ||
209 | # if !(defined __cplusplus && defined GNULIB_NAMESPACE) | ||
210 | # undef openat | ||
211 | # define openat rpl_openat | ||
212 | # endif | ||
213 | _GL_FUNCDECL_RPL (openat, int, | ||
214 | (int fd, char const *file, int flags, /* mode_t mode */ ...) | ||
215 | _GL_ARG_NONNULL ((2))); | ||
216 | _GL_CXXALIAS_RPL (openat, int, | ||
217 | (int fd, char const *file, int flags, /* mode_t mode */ ...)); | ||
218 | # else | ||
219 | # if !@HAVE_OPENAT@ | ||
220 | _GL_FUNCDECL_SYS (openat, int, | ||
221 | (int fd, char const *file, int flags, /* mode_t mode */ ...) | ||
222 | _GL_ARG_NONNULL ((2))); | ||
223 | # endif | ||
224 | _GL_CXXALIAS_SYS (openat, int, | ||
225 | (int fd, char const *file, int flags, /* mode_t mode */ ...)); | ||
226 | # endif | ||
227 | _GL_CXXALIASWARN (openat); | ||
228 | #elif defined GNULIB_POSIXCHECK | ||
229 | # undef openat | ||
230 | # if HAVE_RAW_DECL_OPENAT | ||
231 | _GL_WARN_ON_USE (openat, "openat is not portable - " | ||
232 | "use gnulib module openat for portability"); | ||
233 | # endif | ||
234 | #endif | ||
235 | |||
236 | |||
237 | /* Fix up the FD_* macros, only known to be missing on mingw. */ | ||
238 | |||
239 | #ifndef FD_CLOEXEC | ||
240 | # define FD_CLOEXEC 1 | ||
241 | #endif | ||
242 | |||
243 | /* Fix up the supported F_* macros. Intentionally leave other F_* | ||
244 | macros undefined. Only known to be missing on mingw. */ | ||
245 | |||
246 | #ifndef F_DUPFD_CLOEXEC | ||
247 | # define F_DUPFD_CLOEXEC 0x40000000 | ||
248 | /* Witness variable: 1 if gnulib defined F_DUPFD_CLOEXEC, 0 otherwise. */ | ||
249 | # define GNULIB_defined_F_DUPFD_CLOEXEC 1 | ||
250 | #else | ||
251 | # define GNULIB_defined_F_DUPFD_CLOEXEC 0 | ||
252 | #endif | ||
253 | |||
254 | #ifndef F_DUPFD | ||
255 | # define F_DUPFD 1 | ||
256 | #endif | ||
257 | |||
258 | #ifndef F_GETFD | ||
259 | # define F_GETFD 2 | ||
260 | #endif | ||
261 | |||
262 | /* Fix up the O_* macros. */ | ||
263 | |||
264 | /* AIX 7.1 with XL C 12.1 defines O_CLOEXEC, O_NOFOLLOW, and O_TTY_INIT | ||
265 | to values outside 'int' range, so omit these misdefinitions. | ||
266 | But avoid namespace pollution on non-AIX systems. */ | ||
267 | #ifdef _AIX | ||
268 | # include <limits.h> | ||
269 | # if defined O_CLOEXEC && ! (INT_MIN <= O_CLOEXEC && O_CLOEXEC <= INT_MAX) | ||
270 | # undef O_CLOEXEC | ||
271 | # endif | ||
272 | # if defined O_NOFOLLOW && ! (INT_MIN <= O_NOFOLLOW && O_NOFOLLOW <= INT_MAX) | ||
273 | # undef O_NOFOLLOW | ||
274 | # endif | ||
275 | # if defined O_TTY_INIT && ! (INT_MIN <= O_TTY_INIT && O_TTY_INIT <= INT_MAX) | ||
276 | # undef O_TTY_INIT | ||
277 | # endif | ||
278 | #endif | ||
279 | |||
280 | #if !defined O_DIRECT && defined O_DIRECTIO | ||
281 | /* Tru64 spells it 'O_DIRECTIO'. */ | ||
282 | # define O_DIRECT O_DIRECTIO | ||
283 | #endif | ||
284 | |||
285 | #if !defined O_CLOEXEC && defined O_NOINHERIT | ||
286 | /* Mingw spells it 'O_NOINHERIT'. */ | ||
287 | # define O_CLOEXEC O_NOINHERIT | ||
288 | #endif | ||
289 | |||
290 | #ifndef O_CLOEXEC | ||
291 | # define O_CLOEXEC 0x40000000 /* Try to not collide with system O_* flags. */ | ||
292 | # define GNULIB_defined_O_CLOEXEC 1 | ||
293 | #else | ||
294 | # define GNULIB_defined_O_CLOEXEC 0 | ||
295 | #endif | ||
296 | |||
297 | #ifndef O_DIRECT | ||
298 | # define O_DIRECT 0 | ||
299 | #endif | ||
300 | |||
301 | #ifndef O_DIRECTORY | ||
302 | # define O_DIRECTORY 0 | ||
303 | #endif | ||
304 | |||
305 | #ifndef O_DSYNC | ||
306 | # define O_DSYNC 0 | ||
307 | #endif | ||
308 | |||
309 | #ifndef O_EXEC | ||
310 | # define O_EXEC O_RDONLY /* This is often close enough in older systems. */ | ||
311 | #endif | ||
312 | |||
313 | #ifndef O_IGNORE_CTTY | ||
314 | # define O_IGNORE_CTTY 0 | ||
315 | #endif | ||
316 | |||
317 | #ifndef O_NDELAY | ||
318 | # define O_NDELAY 0 | ||
319 | #endif | ||
320 | |||
321 | #ifndef O_NOATIME | ||
322 | # define O_NOATIME 0 | ||
323 | #endif | ||
324 | |||
325 | #ifndef O_NONBLOCK | ||
326 | # define O_NONBLOCK O_NDELAY | ||
327 | #endif | ||
328 | |||
329 | /* If the gnulib module 'nonblocking' is in use, guarantee a working non-zero | ||
330 | value of O_NONBLOCK. Otherwise, O_NONBLOCK is defined (above) to O_NDELAY | ||
331 | or to 0 as fallback. */ | ||
332 | #if @GNULIB_NONBLOCKING@ | ||
333 | # if O_NONBLOCK | ||
334 | # define GNULIB_defined_O_NONBLOCK 0 | ||
335 | # else | ||
336 | # define GNULIB_defined_O_NONBLOCK 1 | ||
337 | # undef O_NONBLOCK | ||
338 | # define O_NONBLOCK 0x40000000 | ||
339 | # endif | ||
340 | #endif | ||
341 | |||
342 | #ifndef O_NOCTTY | ||
343 | # define O_NOCTTY 0 | ||
344 | #endif | ||
345 | |||
346 | #ifndef O_NOFOLLOW | ||
347 | # define O_NOFOLLOW 0 | ||
348 | #endif | ||
349 | |||
350 | #ifndef O_NOLINK | ||
351 | # define O_NOLINK 0 | ||
352 | #endif | ||
353 | |||
354 | #ifndef O_NOLINKS | ||
355 | # define O_NOLINKS 0 | ||
356 | #endif | ||
357 | |||
358 | #ifndef O_NOTRANS | ||
359 | # define O_NOTRANS 0 | ||
360 | #endif | ||
361 | |||
362 | #ifndef O_RSYNC | ||
363 | # define O_RSYNC 0 | ||
364 | #endif | ||
365 | |||
366 | #ifndef O_SEARCH | ||
367 | # define O_SEARCH O_RDONLY /* This is often close enough in older systems. */ | ||
368 | #endif | ||
369 | |||
370 | #ifndef O_SYNC | ||
371 | # define O_SYNC 0 | ||
372 | #endif | ||
373 | |||
374 | #ifndef O_TTY_INIT | ||
375 | # define O_TTY_INIT 0 | ||
376 | #endif | ||
377 | |||
378 | #if ~O_ACCMODE & (O_RDONLY | O_WRONLY | O_RDWR | O_EXEC | O_SEARCH) | ||
379 | # undef O_ACCMODE | ||
380 | # define O_ACCMODE (O_RDONLY | O_WRONLY | O_RDWR | O_EXEC | O_SEARCH) | ||
381 | #endif | ||
382 | |||
383 | /* For systems that distinguish between text and binary I/O. | ||
384 | O_BINARY is usually declared in fcntl.h */ | ||
385 | #if !defined O_BINARY && defined _O_BINARY | ||
386 | /* For MSC-compatible compilers. */ | ||
387 | # define O_BINARY _O_BINARY | ||
388 | # define O_TEXT _O_TEXT | ||
389 | #endif | ||
390 | |||
391 | #if defined __BEOS__ || defined __HAIKU__ | ||
392 | /* BeOS 5 and Haiku have O_BINARY and O_TEXT, but they have no effect. */ | ||
393 | # undef O_BINARY | ||
394 | # undef O_TEXT | ||
395 | #endif | ||
396 | |||
397 | #ifndef O_BINARY | ||
398 | # define O_BINARY 0 | ||
399 | # define O_TEXT 0 | ||
400 | #endif | ||
401 | |||
402 | /* Fix up the AT_* macros. */ | ||
403 | |||
404 | /* Work around a bug in Solaris 9 and 10: AT_FDCWD is positive. Its | ||
405 | value exceeds INT_MAX, so its use as an int doesn't conform to the | ||
406 | C standard, and GCC and Sun C complain in some cases. If the bug | ||
407 | is present, undef AT_FDCWD here, so it can be redefined below. */ | ||
408 | #if 0 < AT_FDCWD && AT_FDCWD == 0xffd19553 | ||
409 | # undef AT_FDCWD | ||
410 | #endif | ||
411 | |||
412 | /* Use the same bit pattern as Solaris 9, but with the proper | ||
413 | signedness. The bit pattern is important, in case this actually is | ||
414 | Solaris with the above workaround. */ | ||
415 | #ifndef AT_FDCWD | ||
416 | # define AT_FDCWD (-3041965) | ||
417 | #endif | ||
418 | |||
419 | /* Use the same values as Solaris 9. This shouldn't matter, but | ||
420 | there's no real reason to differ. */ | ||
421 | #ifndef AT_SYMLINK_NOFOLLOW | ||
422 | # define AT_SYMLINK_NOFOLLOW 4096 | ||
423 | #endif | ||
424 | |||
425 | #ifndef AT_REMOVEDIR | ||
426 | # define AT_REMOVEDIR 1 | ||
427 | #endif | ||
428 | |||
429 | /* Solaris 9 lacks these two, so just pick unique values. */ | ||
430 | #ifndef AT_SYMLINK_FOLLOW | ||
431 | # define AT_SYMLINK_FOLLOW 2 | ||
432 | #endif | ||
433 | |||
434 | #ifndef AT_EACCESS | ||
435 | # define AT_EACCESS 4 | ||
436 | #endif | ||
437 | |||
438 | /* Ignore this flag if not supported. */ | ||
439 | #ifndef AT_NO_AUTOMOUNT | ||
440 | # define AT_NO_AUTOMOUNT 0 | ||
441 | #endif | ||
442 | |||
443 | #endif /* _@GUARD_PREFIX@_FCNTL_H */ | ||
444 | #endif /* _@GUARD_PREFIX@_FCNTL_H */ | ||
445 | #endif | ||