1 /* Definitions for POSIX spawn interface.
2    Copyright (C) 2000, 2003-2004, 2008-2020 Free Software Foundation, Inc.
3    This file is part of the GNU C Library.
4 
5    This program is free software: you can redistribute it and/or modify
6    it under the terms of the GNU General Public License as published by
7    the Free Software Foundation; either version 3 of the License, or
8    (at your option) any later version.
9 
10    This program 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 General Public License for more details.
14 
15    You should have received a copy of the GNU General Public License
16    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
17 
18 #ifndef _@GUARD_PREFIX@_SPAWN_H
19 
20 #if __GNUC__ >= 3
21 @PRAGMA_SYSTEM_HEADER@
22 #endif
23 @PRAGMA_COLUMNS@
24 
25 /* The include_next requires a split double-inclusion guard.  */
26 #if @HAVE_SPAWN_H@
27 # @INCLUDE_NEXT@ @NEXT_SPAWN_H@
28 #endif
29 
30 #ifndef _@GUARD_PREFIX@_SPAWN_H
31 #define _@GUARD_PREFIX@_SPAWN_H
32 
33 /* Get definitions of 'struct sched_param' and 'sigset_t'.
34    But avoid namespace pollution on glibc systems.  */
35 #if !(defined __GLIBC__ && !defined __UCLIBC__)
36 # include <sched.h>
37 # include <signal.h>
38 #endif
39 
40 #include <sys/types.h>
41 
42 #ifndef __THROW
43 # define __THROW
44 #endif
45 
46 /* For plain 'restrict', use glibc's __restrict if defined.
47    Otherwise, GCC 2.95 and later have "__restrict"; C99 compilers have
48    "restrict", and "configure" may have defined "restrict".
49    Other compilers use __restrict, __restrict__, and _Restrict, and
50    'configure' might #define 'restrict' to those words, so pick a
51    different name.  */
52 #ifndef _Restrict_
53 # if defined __restrict || 2 < __GNUC__ + (95 <= __GNUC_MINOR__)
54 #  define _Restrict_ __restrict
55 # elif 199901L <= __STDC_VERSION__ || defined restrict
56 #  define _Restrict_ restrict
57 # else
58 #  define _Restrict_
59 # endif
60 #endif
61 /* For [restrict], use glibc's __restrict_arr if available.
62    Otherwise, GCC 3.1 (not in C++ mode) and C99 support [restrict].  */
63 #ifndef _Restrict_arr_
64 # ifdef __restrict_arr
65 #  define _Restrict_arr_ __restrict_arr
66 # elif ((199901L <= __STDC_VERSION__ || 3 < __GNUC__ + (1 <= __GNUC_MINOR__)) \
67         && !defined __GNUG__)
68 #  define _Restrict_arr_ _Restrict_
69 # else
70 #  define _Restrict_arr_
71 # endif
72 #endif
73 
74 /* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */
75 
76 /* The definition of _GL_ARG_NONNULL is copied here.  */
77 
78 /* The definition of _GL_WARN_ON_USE is copied here.  */
79 
80 
81 /* Data structure to contain attributes for thread creation.  */
82 #if @REPLACE_POSIX_SPAWN@ || (@HAVE_POSIX_SPAWNATTR_T@ && !@HAVE_POSIX_SPAWN@)
83 # define posix_spawnattr_t rpl_posix_spawnattr_t
84 #endif
85 #if @REPLACE_POSIX_SPAWN@ || !@HAVE_POSIX_SPAWNATTR_T@ || !@HAVE_POSIX_SPAWN@
86 # if !GNULIB_defined_posix_spawnattr_t
87 typedef struct
88 {
89   short int _flags;
90   pid_t _pgrp;
91   sigset_t _sd;
92   sigset_t _ss;
93   struct sched_param _sp;
94   int _policy;
95   int __pad[16];
96 } posix_spawnattr_t;
97 #  define GNULIB_defined_posix_spawnattr_t 1
98 # endif
99 #endif
100 
101 
102 /* Data structure to contain information about the actions to be
103    performed in the new process with respect to file descriptors.  */
104 #if @REPLACE_POSIX_SPAWN@ || (@HAVE_POSIX_SPAWN_FILE_ACTIONS_T@ && !@HAVE_POSIX_SPAWN@)
105 # define posix_spawn_file_actions_t rpl_posix_spawn_file_actions_t
106 #endif
107 #if @REPLACE_POSIX_SPAWN@ || !@HAVE_POSIX_SPAWN_FILE_ACTIONS_T@ || !@HAVE_POSIX_SPAWN@
108 # if !GNULIB_defined_posix_spawn_file_actions_t
109 typedef struct
110 {
111   int _allocated;
112   int _used;
113   struct __spawn_action *_actions;
114   int __pad[16];
115 } posix_spawn_file_actions_t;
116 #  define GNULIB_defined_posix_spawn_file_actions_t 1
117 # endif
118 #endif
119 
120 
121 /* Flags to be set in the 'posix_spawnattr_t'.  */
122 #if @HAVE_POSIX_SPAWN@
123 /* Use the values from the system, but provide the missing ones.  */
124 # ifndef POSIX_SPAWN_SETSCHEDPARAM
125 #  define POSIX_SPAWN_SETSCHEDPARAM 0
126 # endif
127 # ifndef POSIX_SPAWN_SETSCHEDULER
128 #  define POSIX_SPAWN_SETSCHEDULER 0
129 # endif
130 #else
131 # if @REPLACE_POSIX_SPAWN@
132 /* Use the values from the system, for better compatibility.  */
133 /* But this implementation does not support AIX extensions.  */
134 #  undef POSIX_SPAWN_FORK_HANDLERS
135 # else
136 #  define POSIX_SPAWN_RESETIDS           0x01
137 #  define POSIX_SPAWN_SETPGROUP          0x02
138 #  define POSIX_SPAWN_SETSIGDEF          0x04
139 #  define POSIX_SPAWN_SETSIGMASK         0x08
140 #  define POSIX_SPAWN_SETSCHEDPARAM      0x10
141 #  define POSIX_SPAWN_SETSCHEDULER       0x20
142 # endif
143 #endif
144 /* A GNU extension.  Use the next free bit position.  */
145 #ifndef POSIX_SPAWN_USEVFORK
146 # define POSIX_SPAWN_USEVFORK \
147   ((POSIX_SPAWN_RESETIDS | (POSIX_SPAWN_RESETIDS - 1)                     \
148     | POSIX_SPAWN_SETPGROUP | (POSIX_SPAWN_SETPGROUP - 1)                 \
149     | POSIX_SPAWN_SETSIGDEF | (POSIX_SPAWN_SETSIGDEF - 1)                 \
150     | POSIX_SPAWN_SETSIGMASK | (POSIX_SPAWN_SETSIGMASK - 1)               \
151     | POSIX_SPAWN_SETSCHEDPARAM                                           \
152     | (POSIX_SPAWN_SETSCHEDPARAM > 0 ? POSIX_SPAWN_SETSCHEDPARAM - 1 : 0) \
153     | POSIX_SPAWN_SETSCHEDULER                                            \
154     | (POSIX_SPAWN_SETSCHEDULER > 0 ? POSIX_SPAWN_SETSCHEDULER - 1 : 0))  \
155    + 1)
156 #endif
157 #if !GNULIB_defined_verify_POSIX_SPAWN_USEVFORK_no_overlap
158 typedef int verify_POSIX_SPAWN_USEVFORK_no_overlap
159             [(((POSIX_SPAWN_RESETIDS | POSIX_SPAWN_SETPGROUP
160                 | POSIX_SPAWN_SETSIGDEF | POSIX_SPAWN_SETSIGMASK
161                 | POSIX_SPAWN_SETSCHEDPARAM | POSIX_SPAWN_SETSCHEDULER)
162                & POSIX_SPAWN_USEVFORK)
163               == 0)
164              ? 1 : -1];
165 # define GNULIB_defined_verify_POSIX_SPAWN_USEVFORK_no_overlap 1
166 #endif
167 
168 
169 #if @GNULIB_POSIX_SPAWN@
170 /* Spawn a new process executing PATH with the attributes describes in *ATTRP.
171    Before running the process perform the actions described in FILE-ACTIONS.
172 
173    This function is a possible cancellation points and therefore not
174    marked with __THROW. */
175 # if @REPLACE_POSIX_SPAWN@
176 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
177 #   define posix_spawn rpl_posix_spawn
178 #  endif
179 _GL_FUNCDECL_RPL (posix_spawn, int,
180                   (pid_t *_Restrict_ __pid,
181                    const char *_Restrict_ __path,
182                    const posix_spawn_file_actions_t *_Restrict_ __file_actions,
183                    const posix_spawnattr_t *_Restrict_ __attrp,
184                    char *const argv[_Restrict_arr_],
185                    char *const envp[_Restrict_arr_])
186                   _GL_ARG_NONNULL ((2, 5, 6)));
187 _GL_CXXALIAS_RPL (posix_spawn, int,
188                   (pid_t *_Restrict_ __pid,
189                    const char *_Restrict_ __path,
190                    const posix_spawn_file_actions_t *_Restrict_ __file_actions,
191                    const posix_spawnattr_t *_Restrict_ __attrp,
192                    char *const argv[_Restrict_arr_],
193                    char *const envp[_Restrict_arr_]));
194 # else
195 #  if !@HAVE_POSIX_SPAWN@
196 _GL_FUNCDECL_SYS (posix_spawn, int,
197                   (pid_t *_Restrict_ __pid,
198                    const char *_Restrict_ __path,
199                    const posix_spawn_file_actions_t *_Restrict_ __file_actions,
200                    const posix_spawnattr_t *_Restrict_ __attrp,
201                    char *const argv[_Restrict_arr_],
202                    char *const envp[_Restrict_arr_])
203                   _GL_ARG_NONNULL ((2, 5, 6)));
204 #  endif
205 _GL_CXXALIAS_SYS (posix_spawn, int,
206                   (pid_t *_Restrict_ __pid,
207                    const char *_Restrict_ __path,
208                    const posix_spawn_file_actions_t *_Restrict_ __file_actions,
209                    const posix_spawnattr_t *_Restrict_ __attrp,
210                    char *const argv[_Restrict_arr_],
211                    char *const envp[_Restrict_arr_]));
212 # endif
213 _GL_CXXALIASWARN (posix_spawn);
214 #elif defined GNULIB_POSIXCHECK
215 # undef posix_spawn
216 # if HAVE_RAW_DECL_POSIX_SPAWN
217 _GL_WARN_ON_USE (posix_spawn, "posix_spawn is unportable - "
218                  "use gnulib module posix_spawn for portability");
219 # endif
220 #endif
221 
222 #if @GNULIB_POSIX_SPAWNP@
223 /* Similar to 'posix_spawn' but search for FILE in the PATH.
224 
225    This function is a possible cancellation points and therefore not
226    marked with __THROW.  */
227 # if @REPLACE_POSIX_SPAWN@
228 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
229 #   define posix_spawnp rpl_posix_spawnp
230 #  endif
231 _GL_FUNCDECL_RPL (posix_spawnp, int,
232                   (pid_t *__pid, const char *__file,
233                    const posix_spawn_file_actions_t *__file_actions,
234                    const posix_spawnattr_t *__attrp,
235                    char *const argv[], char *const envp[])
236                   _GL_ARG_NONNULL ((2, 5, 6)));
237 _GL_CXXALIAS_RPL (posix_spawnp, int,
238                   (pid_t *__pid, const char *__file,
239                    const posix_spawn_file_actions_t *__file_actions,
240                    const posix_spawnattr_t *__attrp,
241                    char *const argv[], char *const envp[]));
242 # else
243 #  if !@HAVE_POSIX_SPAWN@
244 _GL_FUNCDECL_SYS (posix_spawnp, int,
245                   (pid_t *__pid, const char *__file,
246                    const posix_spawn_file_actions_t *__file_actions,
247                    const posix_spawnattr_t *__attrp,
248                    char *const argv[], char *const envp[])
249                   _GL_ARG_NONNULL ((2, 5, 6)));
250 #  endif
251 _GL_CXXALIAS_SYS (posix_spawnp, int,
252                   (pid_t *__pid, const char *__file,
253                    const posix_spawn_file_actions_t *__file_actions,
254                    const posix_spawnattr_t *__attrp,
255                    char *const argv[], char *const envp[]));
256 # endif
257 _GL_CXXALIASWARN (posix_spawnp);
258 #elif defined GNULIB_POSIXCHECK
259 # undef posix_spawnp
260 # if HAVE_RAW_DECL_POSIX_SPAWNP
261 _GL_WARN_ON_USE (posix_spawnp, "posix_spawnp is unportable - "
262                  "use gnulib module posix_spawnp for portability");
263 # endif
264 #endif
265 
266 
267 #if @GNULIB_POSIX_SPAWNATTR_INIT@
268 /* Initialize data structure with attributes for 'spawn' to default values.  */
269 # if @REPLACE_POSIX_SPAWN@
270 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
271 #   define posix_spawnattr_init rpl_posix_spawnattr_init
272 #  endif
273 _GL_FUNCDECL_RPL (posix_spawnattr_init, int, (posix_spawnattr_t *__attr)
274                                              __THROW _GL_ARG_NONNULL ((1)));
275 _GL_CXXALIAS_RPL (posix_spawnattr_init, int, (posix_spawnattr_t *__attr));
276 # else
277 #  if !@HAVE_POSIX_SPAWN@
278 _GL_FUNCDECL_SYS (posix_spawnattr_init, int, (posix_spawnattr_t *__attr)
279                                              __THROW _GL_ARG_NONNULL ((1)));
280 #  endif
281 _GL_CXXALIAS_SYS (posix_spawnattr_init, int, (posix_spawnattr_t *__attr));
282 # endif
283 _GL_CXXALIASWARN (posix_spawnattr_init);
284 #elif defined GNULIB_POSIXCHECK
285 # undef posix_spawnattr_init
286 # if HAVE_RAW_DECL_POSIX_SPAWNATTR_INIT
287 _GL_WARN_ON_USE (posix_spawnattr_init, "posix_spawnattr_init is unportable - "
288                  "use gnulib module posix_spawnattr_init for portability");
289 # endif
290 #endif
291 
292 #if @GNULIB_POSIX_SPAWNATTR_DESTROY@
293 /* Free resources associated with ATTR.  */
294 # if @REPLACE_POSIX_SPAWN@
295 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
296 #   define posix_spawnattr_destroy rpl_posix_spawnattr_destroy
297 #  endif
298 _GL_FUNCDECL_RPL (posix_spawnattr_destroy, int, (posix_spawnattr_t *__attr)
299                                                 __THROW _GL_ARG_NONNULL ((1)));
300 _GL_CXXALIAS_RPL (posix_spawnattr_destroy, int, (posix_spawnattr_t *__attr));
301 # else
302 #  if !@HAVE_POSIX_SPAWN@
303 _GL_FUNCDECL_SYS (posix_spawnattr_destroy, int, (posix_spawnattr_t *__attr)
304                                                 __THROW _GL_ARG_NONNULL ((1)));
305 #  endif
306 _GL_CXXALIAS_SYS (posix_spawnattr_destroy, int, (posix_spawnattr_t *__attr));
307 # endif
308 _GL_CXXALIASWARN (posix_spawnattr_destroy);
309 #elif defined GNULIB_POSIXCHECK
310 # undef posix_spawnattr_destroy
311 # if HAVE_RAW_DECL_POSIX_SPAWNATTR_DESTROY
312 _GL_WARN_ON_USE (posix_spawnattr_destroy,
313                  "posix_spawnattr_destroy is unportable - "
314                  "use gnulib module posix_spawnattr_destroy for portability");
315 # endif
316 #endif
317 
318 #if @GNULIB_POSIX_SPAWNATTR_GETSIGDEFAULT@
319 /* Store signal mask for signals with default handling from ATTR in
320    SIGDEFAULT.  */
321 # if @REPLACE_POSIX_SPAWN@
322 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
323 #   define posix_spawnattr_getsigdefault rpl_posix_spawnattr_getsigdefault
324 #  endif
325 _GL_FUNCDECL_RPL (posix_spawnattr_getsigdefault, int,
326                   (const posix_spawnattr_t *_Restrict_ __attr,
327                    sigset_t *_Restrict_ __sigdefault)
328                   __THROW _GL_ARG_NONNULL ((1, 2)));
329 _GL_CXXALIAS_RPL (posix_spawnattr_getsigdefault, int,
330                   (const posix_spawnattr_t *_Restrict_ __attr,
331                    sigset_t *_Restrict_ __sigdefault));
332 # else
333 #  if !@HAVE_POSIX_SPAWN@
334 _GL_FUNCDECL_SYS (posix_spawnattr_getsigdefault, int,
335                   (const posix_spawnattr_t *_Restrict_ __attr,
336                    sigset_t *_Restrict_ __sigdefault)
337                   __THROW _GL_ARG_NONNULL ((1, 2)));
338 #  endif
339 _GL_CXXALIAS_SYS (posix_spawnattr_getsigdefault, int,
340                   (const posix_spawnattr_t *_Restrict_ __attr,
341                    sigset_t *_Restrict_ __sigdefault));
342 # endif
343 _GL_CXXALIASWARN (posix_spawnattr_getsigdefault);
344 #elif defined GNULIB_POSIXCHECK
345 # undef posix_spawnattr_getsigdefault
346 # if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETSIGDEFAULT
347 _GL_WARN_ON_USE (posix_spawnattr_getsigdefault,
348                  "posix_spawnattr_getsigdefault is unportable - "
349                  "use gnulib module posix_spawnattr_getsigdefault for portability");
350 # endif
351 #endif
352 
353 #if @GNULIB_POSIX_SPAWNATTR_SETSIGDEFAULT@
354 /* Set signal mask for signals with default handling in ATTR to SIGDEFAULT.  */
355 # if @REPLACE_POSIX_SPAWN@
356 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
357 #   define posix_spawnattr_setsigdefault rpl_posix_spawnattr_setsigdefault
358 #  endif
359 _GL_FUNCDECL_RPL (posix_spawnattr_setsigdefault, int,
360                   (posix_spawnattr_t *_Restrict_ __attr,
361                    const sigset_t *_Restrict_ __sigdefault)
362                   __THROW _GL_ARG_NONNULL ((1, 2)));
363 _GL_CXXALIAS_RPL (posix_spawnattr_setsigdefault, int,
364                   (posix_spawnattr_t *_Restrict_ __attr,
365                    const sigset_t *_Restrict_ __sigdefault));
366 # else
367 #  if !@HAVE_POSIX_SPAWN@
368 _GL_FUNCDECL_SYS (posix_spawnattr_setsigdefault, int,
369                   (posix_spawnattr_t *_Restrict_ __attr,
370                    const sigset_t *_Restrict_ __sigdefault)
371                   __THROW _GL_ARG_NONNULL ((1, 2)));
372 #  endif
373 _GL_CXXALIAS_SYS (posix_spawnattr_setsigdefault, int,
374                   (posix_spawnattr_t *_Restrict_ __attr,
375                    const sigset_t *_Restrict_ __sigdefault));
376 # endif
377 _GL_CXXALIASWARN (posix_spawnattr_setsigdefault);
378 #elif defined GNULIB_POSIXCHECK
379 # undef posix_spawnattr_setsigdefault
380 # if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETSIGDEFAULT
381 _GL_WARN_ON_USE (posix_spawnattr_setsigdefault,
382                  "posix_spawnattr_setsigdefault is unportable - "
383                  "use gnulib module posix_spawnattr_setsigdefault for portability");
384 # endif
385 #endif
386 
387 #if @GNULIB_POSIX_SPAWNATTR_GETSIGMASK@
388 /* Store signal mask for the new process from ATTR in SIGMASK.  */
389 # if @REPLACE_POSIX_SPAWN@
390 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
391 #   define posix_spawnattr_getsigmask rpl_posix_spawnattr_getsigmask
392 #  endif
393 _GL_FUNCDECL_RPL (posix_spawnattr_getsigmask, int,
394                   (const posix_spawnattr_t *_Restrict_ __attr,
395                    sigset_t *_Restrict_ __sigmask)
396                   __THROW _GL_ARG_NONNULL ((1, 2)));
397 _GL_CXXALIAS_RPL (posix_spawnattr_getsigmask, int,
398                   (const posix_spawnattr_t *_Restrict_ __attr,
399                    sigset_t *_Restrict_ __sigmask));
400 # else
401 #  if !@HAVE_POSIX_SPAWN@
402 _GL_FUNCDECL_SYS (posix_spawnattr_getsigmask, int,
403                   (const posix_spawnattr_t *_Restrict_ __attr,
404                    sigset_t *_Restrict_ __sigmask)
405                   __THROW _GL_ARG_NONNULL ((1, 2)));
406 #  endif
407 _GL_CXXALIAS_SYS (posix_spawnattr_getsigmask, int,
408                   (const posix_spawnattr_t *_Restrict_ __attr,
409                    sigset_t *_Restrict_ __sigmask));
410 # endif
411 _GL_CXXALIASWARN (posix_spawnattr_getsigmask);
412 #elif defined GNULIB_POSIXCHECK
413 # undef posix_spawnattr_getsigmask
414 # if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETSIGMASK
415 _GL_WARN_ON_USE (posix_spawnattr_getsigmask,
416                  "posix_spawnattr_getsigmask is unportable - "
417                  "use gnulib module posix_spawnattr_getsigmask for portability");
418 # endif
419 #endif
420 
421 #if @GNULIB_POSIX_SPAWNATTR_SETSIGMASK@
422 /* Set signal mask for the new process in ATTR to SIGMASK.  */
423 # if @REPLACE_POSIX_SPAWN@
424 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
425 #   define posix_spawnattr_setsigmask rpl_posix_spawnattr_setsigmask
426 #  endif
427 _GL_FUNCDECL_RPL (posix_spawnattr_setsigmask, int,
428                   (posix_spawnattr_t *_Restrict_ __attr,
429                    const sigset_t *_Restrict_ __sigmask)
430                   __THROW _GL_ARG_NONNULL ((1, 2)));
431 _GL_CXXALIAS_RPL (posix_spawnattr_setsigmask, int,
432                   (posix_spawnattr_t *_Restrict_ __attr,
433                    const sigset_t *_Restrict_ __sigmask));
434 # else
435 #  if !@HAVE_POSIX_SPAWN@
436 _GL_FUNCDECL_SYS (posix_spawnattr_setsigmask, int,
437                   (posix_spawnattr_t *_Restrict_ __attr,
438                    const sigset_t *_Restrict_ __sigmask)
439                   __THROW _GL_ARG_NONNULL ((1, 2)));
440 #  endif
441 _GL_CXXALIAS_SYS (posix_spawnattr_setsigmask, int,
442                   (posix_spawnattr_t *_Restrict_ __attr,
443                    const sigset_t *_Restrict_ __sigmask));
444 # endif
445 _GL_CXXALIASWARN (posix_spawnattr_setsigmask);
446 #elif defined GNULIB_POSIXCHECK
447 # undef posix_spawnattr_setsigmask
448 # if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETSIGMASK
449 _GL_WARN_ON_USE (posix_spawnattr_setsigmask,
450                  "posix_spawnattr_setsigmask is unportable - "
451                  "use gnulib module posix_spawnattr_setsigmask for portability");
452 # endif
453 #endif
454 
455 #if @GNULIB_POSIX_SPAWNATTR_GETFLAGS@
456 /* Get flag word from the attribute structure.  */
457 # if @REPLACE_POSIX_SPAWN@
458 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
459 #   define posix_spawnattr_getflags rpl_posix_spawnattr_getflags
460 #  endif
461 _GL_FUNCDECL_RPL (posix_spawnattr_getflags, int,
462                   (const posix_spawnattr_t *_Restrict_ __attr,
463                    short int *_Restrict_ __flags)
464                   __THROW _GL_ARG_NONNULL ((1, 2)));
465 _GL_CXXALIAS_RPL (posix_spawnattr_getflags, int,
466                   (const posix_spawnattr_t *_Restrict_ __attr,
467                    short int *_Restrict_ __flags));
468 # else
469 #  if !@HAVE_POSIX_SPAWN@
470 _GL_FUNCDECL_SYS (posix_spawnattr_getflags, int,
471                   (const posix_spawnattr_t *_Restrict_ __attr,
472                    short int *_Restrict_ __flags)
473                   __THROW _GL_ARG_NONNULL ((1, 2)));
474 #  endif
475 _GL_CXXALIAS_SYS (posix_spawnattr_getflags, int,
476                   (const posix_spawnattr_t *_Restrict_ __attr,
477                    short int *_Restrict_ __flags));
478 # endif
479 _GL_CXXALIASWARN (posix_spawnattr_getflags);
480 #elif defined GNULIB_POSIXCHECK
481 # undef posix_spawnattr_getflags
482 # if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETFLAGS
483 _GL_WARN_ON_USE (posix_spawnattr_getflags,
484                  "posix_spawnattr_getflags is unportable - "
485                  "use gnulib module posix_spawnattr_getflags for portability");
486 # endif
487 #endif
488 
489 #if @GNULIB_POSIX_SPAWNATTR_SETFLAGS@
490 /* Store flags in the attribute structure.  */
491 # if @REPLACE_POSIX_SPAWN@
492 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
493 #   define posix_spawnattr_setflags rpl_posix_spawnattr_setflags
494 #  endif
495 _GL_FUNCDECL_RPL (posix_spawnattr_setflags, int,
496                   (posix_spawnattr_t *__attr, short int __flags)
497                   __THROW _GL_ARG_NONNULL ((1)));
498 _GL_CXXALIAS_RPL (posix_spawnattr_setflags, int,
499                   (posix_spawnattr_t *__attr, short int __flags));
500 # else
501 #  if !@HAVE_POSIX_SPAWN@
502 _GL_FUNCDECL_SYS (posix_spawnattr_setflags, int,
503                   (posix_spawnattr_t *__attr, short int __flags)
504                   __THROW _GL_ARG_NONNULL ((1)));
505 #  endif
506 _GL_CXXALIAS_SYS (posix_spawnattr_setflags, int,
507                   (posix_spawnattr_t *__attr, short int __flags));
508 # endif
509 _GL_CXXALIASWARN (posix_spawnattr_setflags);
510 #elif defined GNULIB_POSIXCHECK
511 # undef posix_spawnattr_setflags
512 # if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETFLAGS
513 _GL_WARN_ON_USE (posix_spawnattr_setflags,
514                  "posix_spawnattr_setflags is unportable - "
515                  "use gnulib module posix_spawnattr_setflags for portability");
516 # endif
517 #endif
518 
519 #if @GNULIB_POSIX_SPAWNATTR_GETPGROUP@
520 /* Get process group ID from the attribute structure.  */
521 # if @REPLACE_POSIX_SPAWN@
522 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
523 #   define posix_spawnattr_getpgroup rpl_posix_spawnattr_getpgroup
524 #  endif
525 _GL_FUNCDECL_RPL (posix_spawnattr_getpgroup, int,
526                   (const posix_spawnattr_t *_Restrict_ __attr,
527                    pid_t *_Restrict_ __pgroup)
528                   __THROW _GL_ARG_NONNULL ((1, 2)));
529 _GL_CXXALIAS_RPL (posix_spawnattr_getpgroup, int,
530                   (const posix_spawnattr_t *_Restrict_ __attr,
531                    pid_t *_Restrict_ __pgroup));
532 # else
533 #  if !@HAVE_POSIX_SPAWN@
534 _GL_FUNCDECL_SYS (posix_spawnattr_getpgroup, int,
535                   (const posix_spawnattr_t *_Restrict_ __attr,
536                    pid_t *_Restrict_ __pgroup)
537                   __THROW _GL_ARG_NONNULL ((1, 2)));
538 #  endif
539 _GL_CXXALIAS_SYS (posix_spawnattr_getpgroup, int,
540                   (const posix_spawnattr_t *_Restrict_ __attr,
541                    pid_t *_Restrict_ __pgroup));
542 # endif
543 _GL_CXXALIASWARN (posix_spawnattr_getpgroup);
544 #elif defined GNULIB_POSIXCHECK
545 # undef posix_spawnattr_getpgroup
546 # if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETPGROUP
547 _GL_WARN_ON_USE (posix_spawnattr_getpgroup,
548                  "posix_spawnattr_getpgroup is unportable - "
549                  "use gnulib module posix_spawnattr_getpgroup for portability");
550 # endif
551 #endif
552 
553 #if @GNULIB_POSIX_SPAWNATTR_SETPGROUP@
554 /* Store process group ID in the attribute structure.  */
555 # if @REPLACE_POSIX_SPAWN@
556 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
557 #   define posix_spawnattr_setpgroup rpl_posix_spawnattr_setpgroup
558 #  endif
559 _GL_FUNCDECL_RPL (posix_spawnattr_setpgroup, int,
560                   (posix_spawnattr_t *__attr, pid_t __pgroup)
561                   __THROW _GL_ARG_NONNULL ((1)));
562 _GL_CXXALIAS_RPL (posix_spawnattr_setpgroup, int,
563                   (posix_spawnattr_t *__attr, pid_t __pgroup));
564 # else
565 #  if !@HAVE_POSIX_SPAWN@
566 _GL_FUNCDECL_SYS (posix_spawnattr_setpgroup, int,
567                   (posix_spawnattr_t *__attr, pid_t __pgroup)
568                   __THROW _GL_ARG_NONNULL ((1)));
569 #  endif
570 _GL_CXXALIAS_SYS (posix_spawnattr_setpgroup, int,
571                   (posix_spawnattr_t *__attr, pid_t __pgroup));
572 # endif
573 _GL_CXXALIASWARN (posix_spawnattr_setpgroup);
574 #elif defined GNULIB_POSIXCHECK
575 # undef posix_spawnattr_setpgroup
576 # if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETPGROUP
577 _GL_WARN_ON_USE (posix_spawnattr_setpgroup,
578                  "posix_spawnattr_setpgroup is unportable - "
579                  "use gnulib module posix_spawnattr_setpgroup for portability");
580 # endif
581 #endif
582 
583 #if @GNULIB_POSIX_SPAWNATTR_GETSCHEDPOLICY@
584 /* Get scheduling policy from the attribute structure.  */
585 # if @REPLACE_POSIX_SPAWN@
586 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
587 #   define posix_spawnattr_getschedpolicy rpl_posix_spawnattr_getschedpolicy
588 #  endif
589 _GL_FUNCDECL_RPL (posix_spawnattr_getschedpolicy, int,
590                   (const posix_spawnattr_t *_Restrict_ __attr,
591                    int *_Restrict_ __schedpolicy)
592                   __THROW _GL_ARG_NONNULL ((1, 2)));
593 _GL_CXXALIAS_RPL (posix_spawnattr_getschedpolicy, int,
594                   (const posix_spawnattr_t *_Restrict_ __attr,
595                    int *_Restrict_ __schedpolicy));
596 # else
597 #  if !@HAVE_POSIX_SPAWN@ || POSIX_SPAWN_SETSCHEDULER == 0
598 _GL_FUNCDECL_SYS (posix_spawnattr_getschedpolicy, int,
599                   (const posix_spawnattr_t *_Restrict_ __attr,
600                    int *_Restrict_ __schedpolicy)
601                   __THROW _GL_ARG_NONNULL ((1, 2)));
602 #  endif
603 _GL_CXXALIAS_SYS (posix_spawnattr_getschedpolicy, int,
604                   (const posix_spawnattr_t *_Restrict_ __attr,
605                    int *_Restrict_ __schedpolicy));
606 # endif
607 # if __GLIBC__ >= 2
608 _GL_CXXALIASWARN (posix_spawnattr_getschedpolicy);
609 # endif
610 #elif defined GNULIB_POSIXCHECK
611 # undef posix_spawnattr_getschedpolicy
612 # if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETSCHEDPOLICY
613 _GL_WARN_ON_USE (posix_spawnattr_getschedpolicy,
614                  "posix_spawnattr_getschedpolicy is unportable - "
615                  "use gnulib module posix_spawnattr_getschedpolicy for portability");
616 # endif
617 #endif
618 
619 #if @GNULIB_POSIX_SPAWNATTR_SETSCHEDPOLICY@
620 /* Store scheduling policy in the attribute structure.  */
621 # if @REPLACE_POSIX_SPAWN@
622 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
623 #   define posix_spawnattr_setschedpolicy rpl_posix_spawnattr_setschedpolicy
624 #  endif
625 _GL_FUNCDECL_RPL (posix_spawnattr_setschedpolicy, int,
626                   (posix_spawnattr_t *__attr, int __schedpolicy)
627                   __THROW _GL_ARG_NONNULL ((1)));
628 _GL_CXXALIAS_RPL (posix_spawnattr_setschedpolicy, int,
629                   (posix_spawnattr_t *__attr, int __schedpolicy));
630 # else
631 #  if !@HAVE_POSIX_SPAWN@ || POSIX_SPAWN_SETSCHEDULER == 0
632 _GL_FUNCDECL_SYS (posix_spawnattr_setschedpolicy, int,
633                   (posix_spawnattr_t *__attr, int __schedpolicy)
634                   __THROW _GL_ARG_NONNULL ((1)));
635 #  endif
636 _GL_CXXALIAS_SYS (posix_spawnattr_setschedpolicy, int,
637                   (posix_spawnattr_t *__attr, int __schedpolicy));
638 # endif
639 # if __GLIBC__ >= 2
640 _GL_CXXALIASWARN (posix_spawnattr_setschedpolicy);
641 # endif
642 #elif defined GNULIB_POSIXCHECK
643 # undef posix_spawnattr_setschedpolicy
644 # if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETSCHEDPOLICY
645 _GL_WARN_ON_USE (posix_spawnattr_setschedpolicy,
646                  "posix_spawnattr_setschedpolicy is unportable - "
647                  "use gnulib module posix_spawnattr_setschedpolicy for portability");
648 # endif
649 #endif
650 
651 #if @GNULIB_POSIX_SPAWNATTR_GETSCHEDPARAM@
652 /* Get scheduling parameters from the attribute structure.  */
653 # if @REPLACE_POSIX_SPAWN@
654 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
655 #   define posix_spawnattr_getschedparam rpl_posix_spawnattr_getschedparam
656 #  endif
657 _GL_FUNCDECL_RPL (posix_spawnattr_getschedparam, int,
658                   (const posix_spawnattr_t *_Restrict_ __attr,
659                    struct sched_param *_Restrict_ __schedparam)
660                   __THROW _GL_ARG_NONNULL ((1, 2)));
661 _GL_CXXALIAS_RPL (posix_spawnattr_getschedparam, int,
662                   (const posix_spawnattr_t *_Restrict_ __attr,
663                    struct sched_param *_Restrict_ __schedparam));
664 # else
665 #  if !@HAVE_POSIX_SPAWN@ || POSIX_SPAWN_SETSCHEDPARAM == 0
666 _GL_FUNCDECL_SYS (posix_spawnattr_getschedparam, int,
667                   (const posix_spawnattr_t *_Restrict_ __attr,
668                    struct sched_param *_Restrict_ __schedparam)
669                   __THROW _GL_ARG_NONNULL ((1, 2)));
670 #  endif
671 _GL_CXXALIAS_SYS (posix_spawnattr_getschedparam, int,
672                   (const posix_spawnattr_t *_Restrict_ __attr,
673                    struct sched_param *_Restrict_ __schedparam));
674 # endif
675 # if __GLIBC__ >= 2
676 _GL_CXXALIASWARN (posix_spawnattr_getschedparam);
677 # endif
678 #elif defined GNULIB_POSIXCHECK
679 # undef posix_spawnattr_getschedparam
680 # if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETSCHEDPARAM
681 _GL_WARN_ON_USE (posix_spawnattr_getschedparam,
682                  "posix_spawnattr_getschedparam is unportable - "
683                  "use gnulib module posix_spawnattr_getschedparam for portability");
684 # endif
685 #endif
686 
687 #if @GNULIB_POSIX_SPAWNATTR_SETSCHEDPARAM@
688 /* Store scheduling parameters in the attribute structure.  */
689 # if @REPLACE_POSIX_SPAWN@
690 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
691 #   define posix_spawnattr_setschedparam rpl_posix_spawnattr_setschedparam
692 #  endif
693 _GL_FUNCDECL_RPL (posix_spawnattr_setschedparam, int,
694                   (posix_spawnattr_t *_Restrict_ __attr,
695                    const struct sched_param *_Restrict_ __schedparam)
696                   __THROW _GL_ARG_NONNULL ((1, 2)));
697 _GL_CXXALIAS_RPL (posix_spawnattr_setschedparam, int,
698                   (posix_spawnattr_t *_Restrict_ __attr,
699                    const struct sched_param *_Restrict_ __schedparam));
700 # else
701 #  if !@HAVE_POSIX_SPAWN@ || POSIX_SPAWN_SETSCHEDPARAM == 0
702 _GL_FUNCDECL_SYS (posix_spawnattr_setschedparam, int,
703                   (posix_spawnattr_t *_Restrict_ __attr,
704                    const struct sched_param *_Restrict_ __schedparam)
705                   __THROW _GL_ARG_NONNULL ((1, 2)));
706 #  endif
707 _GL_CXXALIAS_SYS (posix_spawnattr_setschedparam, int,
708                   (posix_spawnattr_t *_Restrict_ __attr,
709                    const struct sched_param *_Restrict_ __schedparam));
710 # endif
711 # if __GLIBC__ >= 2
712 _GL_CXXALIASWARN (posix_spawnattr_setschedparam);
713 # endif
714 #elif defined GNULIB_POSIXCHECK
715 # undef posix_spawnattr_setschedparam
716 # if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETSCHEDPARAM
717 _GL_WARN_ON_USE (posix_spawnattr_setschedparam,
718                  "posix_spawnattr_setschedparam is unportable - "
719                  "use gnulib module posix_spawnattr_setschedparam for portability");
720 # endif
721 #endif
722 
723 
724 #if @GNULIB_POSIX_SPAWN_FILE_ACTIONS_INIT@
725 /* Initialize data structure for file attribute for 'spawn' call.  */
726 # if @REPLACE_POSIX_SPAWN@
727 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
728 #   define posix_spawn_file_actions_init rpl_posix_spawn_file_actions_init
729 #  endif
730 _GL_FUNCDECL_RPL (posix_spawn_file_actions_init, int,
731                   (posix_spawn_file_actions_t *__file_actions)
732                   __THROW _GL_ARG_NONNULL ((1)));
733 _GL_CXXALIAS_RPL (posix_spawn_file_actions_init, int,
734                   (posix_spawn_file_actions_t *__file_actions));
735 # else
736 #  if !@HAVE_POSIX_SPAWN@
737 _GL_FUNCDECL_SYS (posix_spawn_file_actions_init, int,
738                   (posix_spawn_file_actions_t *__file_actions)
739                   __THROW _GL_ARG_NONNULL ((1)));
740 #  endif
741 _GL_CXXALIAS_SYS (posix_spawn_file_actions_init, int,
742                   (posix_spawn_file_actions_t *__file_actions));
743 # endif
744 _GL_CXXALIASWARN (posix_spawn_file_actions_init);
745 #elif defined GNULIB_POSIXCHECK
746 # undef posix_spawn_file_actions_init
747 # if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_INIT
748 _GL_WARN_ON_USE (posix_spawn_file_actions_init,
749                  "posix_spawn_file_actions_init is unportable - "
750                  "use gnulib module posix_spawn_file_actions_init for portability");
751 # endif
752 #endif
753 
754 #if @GNULIB_POSIX_SPAWN_FILE_ACTIONS_DESTROY@
755 /* Free resources associated with FILE-ACTIONS.  */
756 # if @REPLACE_POSIX_SPAWN@
757 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
758 #   define posix_spawn_file_actions_destroy rpl_posix_spawn_file_actions_destroy
759 #  endif
760 _GL_FUNCDECL_RPL (posix_spawn_file_actions_destroy, int,
761                   (posix_spawn_file_actions_t *__file_actions)
762                   __THROW _GL_ARG_NONNULL ((1)));
763 _GL_CXXALIAS_RPL (posix_spawn_file_actions_destroy, int,
764                   (posix_spawn_file_actions_t *__file_actions));
765 # else
766 #  if !@HAVE_POSIX_SPAWN@
767 _GL_FUNCDECL_SYS (posix_spawn_file_actions_destroy, int,
768                   (posix_spawn_file_actions_t *__file_actions)
769                   __THROW _GL_ARG_NONNULL ((1)));
770 #  endif
771 _GL_CXXALIAS_SYS (posix_spawn_file_actions_destroy, int,
772                   (posix_spawn_file_actions_t *__file_actions));
773 # endif
774 _GL_CXXALIASWARN (posix_spawn_file_actions_destroy);
775 #elif defined GNULIB_POSIXCHECK
776 # undef posix_spawn_file_actions_destroy
777 # if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_DESTROY
778 _GL_WARN_ON_USE (posix_spawn_file_actions_destroy,
779                  "posix_spawn_file_actions_destroy is unportable - "
780                  "use gnulib module posix_spawn_file_actions_destroy for portability");
781 # endif
782 #endif
783 
784 #if @GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN@
785 /* Add an action to FILE-ACTIONS which tells the implementation to call
786    'open' for the given file during the 'spawn' call.  */
787 # if @REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN@
788 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
789 #   define posix_spawn_file_actions_addopen rpl_posix_spawn_file_actions_addopen
790 #  endif
791 _GL_FUNCDECL_RPL (posix_spawn_file_actions_addopen, int,
792                   (posix_spawn_file_actions_t *_Restrict_ __file_actions,
793                    int __fd,
794                    const char *_Restrict_ __path, int __oflag, mode_t __mode)
795                   __THROW _GL_ARG_NONNULL ((1, 3)));
796 _GL_CXXALIAS_RPL (posix_spawn_file_actions_addopen, int,
797                   (posix_spawn_file_actions_t *_Restrict_ __file_actions,
798                    int __fd,
799                    const char *_Restrict_ __path, int __oflag, mode_t __mode));
800 # else
801 #  if !@HAVE_POSIX_SPAWN@
802 _GL_FUNCDECL_SYS (posix_spawn_file_actions_addopen, int,
803                   (posix_spawn_file_actions_t *_Restrict_ __file_actions,
804                    int __fd,
805                    const char *_Restrict_ __path, int __oflag, mode_t __mode)
806                   __THROW _GL_ARG_NONNULL ((1, 3)));
807 #  endif
808 _GL_CXXALIAS_SYS (posix_spawn_file_actions_addopen, int,
809                   (posix_spawn_file_actions_t *_Restrict_ __file_actions,
810                    int __fd,
811                    const char *_Restrict_ __path, int __oflag, mode_t __mode));
812 # endif
813 # if __GLIBC__ >= 2
814 _GL_CXXALIASWARN (posix_spawn_file_actions_addopen);
815 # endif
816 #elif defined GNULIB_POSIXCHECK
817 # undef posix_spawn_file_actions_addopen
818 # if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN
819 _GL_WARN_ON_USE (posix_spawn_file_actions_addopen,
820                  "posix_spawn_file_actions_addopen is unportable - "
821                  "use gnulib module posix_spawn_file_actions_addopen for portability");
822 # endif
823 #endif
824 
825 #if @GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE@
826 /* Add an action to FILE-ACTIONS which tells the implementation to call
827    'close' for the given file descriptor during the 'spawn' call.  */
828 # if @REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE@
829 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
830 #   define posix_spawn_file_actions_addclose rpl_posix_spawn_file_actions_addclose
831 #  endif
832 _GL_FUNCDECL_RPL (posix_spawn_file_actions_addclose, int,
833                   (posix_spawn_file_actions_t *__file_actions, int __fd)
834                   __THROW _GL_ARG_NONNULL ((1)));
835 _GL_CXXALIAS_RPL (posix_spawn_file_actions_addclose, int,
836                   (posix_spawn_file_actions_t *__file_actions, int __fd));
837 # else
838 #  if !@HAVE_POSIX_SPAWN@
839 _GL_FUNCDECL_SYS (posix_spawn_file_actions_addclose, int,
840                   (posix_spawn_file_actions_t *__file_actions, int __fd)
841                   __THROW _GL_ARG_NONNULL ((1)));
842 #  endif
843 _GL_CXXALIAS_SYS (posix_spawn_file_actions_addclose, int,
844                   (posix_spawn_file_actions_t *__file_actions, int __fd));
845 # endif
846 # if __GLIBC__ >= 2
847 _GL_CXXALIASWARN (posix_spawn_file_actions_addclose);
848 # endif
849 #elif defined GNULIB_POSIXCHECK
850 # undef posix_spawn_file_actions_addclose
851 # if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE
852 _GL_WARN_ON_USE (posix_spawn_file_actions_addclose,
853                  "posix_spawn_file_actions_addclose is unportable - "
854                  "use gnulib module posix_spawn_file_actions_addclose for portability");
855 # endif
856 #endif
857 
858 #if @GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2@
859 /* Add an action to FILE-ACTIONS which tells the implementation to call
860    'dup2' for the given file descriptors during the 'spawn' call.  */
861 # if @REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2@
862 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
863 #   define posix_spawn_file_actions_adddup2 rpl_posix_spawn_file_actions_adddup2
864 #  endif
865 _GL_FUNCDECL_RPL (posix_spawn_file_actions_adddup2, int,
866                   (posix_spawn_file_actions_t *__file_actions,
867                    int __fd, int __newfd)
868                   __THROW _GL_ARG_NONNULL ((1)));
869 _GL_CXXALIAS_RPL (posix_spawn_file_actions_adddup2, int,
870                   (posix_spawn_file_actions_t *__file_actions,
871                    int __fd, int __newfd));
872 # else
873 #  if !@HAVE_POSIX_SPAWN@
874 _GL_FUNCDECL_SYS (posix_spawn_file_actions_adddup2, int,
875                   (posix_spawn_file_actions_t *__file_actions,
876                    int __fd, int __newfd)
877                   __THROW _GL_ARG_NONNULL ((1)));
878 #  endif
879 _GL_CXXALIAS_SYS (posix_spawn_file_actions_adddup2, int,
880                   (posix_spawn_file_actions_t *__file_actions,
881                    int __fd, int __newfd));
882 # endif
883 # if __GLIBC__ >= 2
884 _GL_CXXALIASWARN (posix_spawn_file_actions_adddup2);
885 # endif
886 #elif defined GNULIB_POSIXCHECK
887 # undef posix_spawn_file_actions_adddup2
888 # if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2
889 _GL_WARN_ON_USE (posix_spawn_file_actions_adddup2,
890                  "posix_spawn_file_actions_adddup2 is unportable - "
891                  "use gnulib module posix_spawn_file_actions_adddup2 for portability");
892 # endif
893 #endif
894 
895 #if @GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDCHDIR@
896 /* Add an action to FILE-ACTIONS which tells the implementation to call
897    'chdir' to the given directory during the 'spawn' call.  */
898 # if @REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDCHDIR@
899 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
900 #   define posix_spawn_file_actions_addchdir rpl_posix_spawn_file_actions_addchdir
901 #  endif
902 _GL_FUNCDECL_RPL (posix_spawn_file_actions_addchdir, int,
903                   (posix_spawn_file_actions_t *_Restrict_ __file_actions,
904                    const char *_Restrict_ __path)
905                   __THROW _GL_ARG_NONNULL ((1, 2)));
906 _GL_CXXALIAS_RPL (posix_spawn_file_actions_addchdir, int,
907                   (posix_spawn_file_actions_t *_Restrict_ __file_actions,
908                    const char *_Restrict_ __path));
909 # else
910 #  if !@HAVE_POSIX_SPAWN_FILE_ACTIONS_ADDCHDIR@
911 _GL_FUNCDECL_SYS (posix_spawn_file_actions_addchdir, int,
912                   (posix_spawn_file_actions_t *_Restrict_ __file_actions,
913                    const char *_Restrict_ __path)
914                   __THROW _GL_ARG_NONNULL ((1, 2)));
915 #  endif
916 _GL_CXXALIAS_SYS (posix_spawn_file_actions_addchdir, int,
917                   (posix_spawn_file_actions_t *_Restrict_ __file_actions,
918                    const char *_Restrict_ __path));
919 # endif
920 _GL_CXXALIASWARN (posix_spawn_file_actions_addchdir);
921 #elif defined GNULIB_POSIXCHECK
922 # undef posix_spawn_file_actions_addchdir
923 # if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_ADDCHDIR
924 _GL_WARN_ON_USE (posix_spawn_file_actions_addchdir,
925                  "posix_spawn_file_actions_addchdir is unportable - "
926                  "use gnulib module posix_spawn_file_actions_addchdir for portability");
927 # endif
928 #endif
929 
930 #if @GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDFCHDIR@
931 /* Add an action to FILE-ACTIONS which tells the implementation to call
932    'fchdir' to the given directory during the 'spawn' call.  */
933 # if @REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDFCHDIR@
934 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
935 #   define posix_spawn_file_actions_addfchdir rpl_posix_spawn_file_actions_addfchdir
936 #  endif
937 _GL_FUNCDECL_RPL (posix_spawn_file_actions_addfchdir, int,
938                   (posix_spawn_file_actions_t *_Restrict_ __file_actions,
939                    int __fd)
940                   __THROW _GL_ARG_NONNULL ((1)));
941 _GL_CXXALIAS_RPL (posix_spawn_file_actions_addfchdir, int,
942                   (posix_spawn_file_actions_t *_Restrict_ __file_actions,
943                    int __fd));
944 # else
945 #  if !@HAVE_POSIX_SPAWN_FILE_ACTIONS_ADDFCHDIR@
946 _GL_FUNCDECL_SYS (posix_spawn_file_actions_addfchdir, int,
947                   (posix_spawn_file_actions_t *_Restrict_ __file_actions,
948                    int __fd)
949                   __THROW _GL_ARG_NONNULL ((1)));
950 #  endif
951 _GL_CXXALIAS_SYS (posix_spawn_file_actions_addfchdir, int,
952                   (posix_spawn_file_actions_t *_Restrict_ __file_actions,
953                    int __fd));
954 # endif
955 _GL_CXXALIASWARN (posix_spawn_file_actions_addfchdir);
956 #elif defined GNULIB_POSIXCHECK
957 # undef posix_spawn_file_actions_addfchdir
958 # if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_ADDFCHDIR
959 _GL_WARN_ON_USE (posix_spawn_file_actions_addfchdir,
960                  "posix_spawn_file_actions_addfchdir is unportable - "
961                  "use gnulib module posix_spawn_file_actions_addfchdir for portability");
962 # endif
963 #endif
964 
965 
966 #endif /* _@GUARD_PREFIX@_SPAWN_H */
967 #endif /* _@GUARD_PREFIX@_SPAWN_H */
968