lib/spawn.in.h

   1 /* Definitions for POSIX spawn interface.
   2    Copyright (C) 2000, 2003-2004, 2008-2019 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 /* GCC 2.95 and later have "__restrict"; C99 compilers have
  47    "restrict", and "configure" may have defined "restrict".
  48    Other compilers use __restrict, __restrict__, and _Restrict, and
  49    'configure' might #define 'restrict' to those words, so pick a
  50    different name.  */
  51 #ifndef _Restrict_
  52 # if 199901L <= __STDC_VERSION__
  53 #  define _Restrict_ restrict
  54 # elif 2 < __GNUC__ || (2 == __GNUC__ && 95 <= __GNUC_MINOR__)
  55 #  define _Restrict_ __restrict
  56 # else
  57 #  define _Restrict_
  58 # endif
  59 #endif
  60 /* gcc 3.1 and up support the [restrict] syntax.  Don't trust
  61    sys/cdefs.h's definition of __restrict_arr, though, as it
  62    mishandles gcc -ansi -pedantic.  */
  63 #ifndef _Restrict_arr_
  64 # if ((199901L <= __STDC_VERSION__                                      \
  65        || ((3 < __GNUC__ || (3 == __GNUC__ && 1 <= __GNUC_MINOR__))     \
  66            && !defined __STRICT_ANSI__))                                        \
  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 _GL_CXXALIASWARN (posix_spawnattr_getschedpolicy);
 608 #elif defined GNULIB_POSIXCHECK
 609 # undef posix_spawnattr_getschedpolicy
 610 # if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETSCHEDPOLICY
 611 _GL_WARN_ON_USE (posix_spawnattr_getschedpolicy,
 612                  "posix_spawnattr_getschedpolicy is unportable - "
 613                  "use gnulib module posix_spawnattr_getschedpolicy for portability");
 614 # endif
 615 #endif
 616
 617 #if @GNULIB_POSIX_SPAWNATTR_SETSCHEDPOLICY@
 618 /* Store scheduling policy in the attribute structure.  */
 619 # if @REPLACE_POSIX_SPAWN@
 620 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 621 #   define posix_spawnattr_setschedpolicy rpl_posix_spawnattr_setschedpolicy
 622 #  endif
 623 _GL_FUNCDECL_RPL (posix_spawnattr_setschedpolicy, int,
 624                   (posix_spawnattr_t *__attr, int __schedpolicy)
 625                   __THROW _GL_ARG_NONNULL ((1)));
 626 _GL_CXXALIAS_RPL (posix_spawnattr_setschedpolicy, int,
 627                   (posix_spawnattr_t *__attr, int __schedpolicy));
 628 # else
 629 #  if !@HAVE_POSIX_SPAWN@ || POSIX_SPAWN_SETSCHEDULER == 0
 630 _GL_FUNCDECL_SYS (posix_spawnattr_setschedpolicy, int,
 631                   (posix_spawnattr_t *__attr, int __schedpolicy)
 632                   __THROW _GL_ARG_NONNULL ((1)));
 633 #  endif
 634 _GL_CXXALIAS_SYS (posix_spawnattr_setschedpolicy, int,
 635                   (posix_spawnattr_t *__attr, int __schedpolicy));
 636 # endif
 637 _GL_CXXALIASWARN (posix_spawnattr_setschedpolicy);
 638 #elif defined GNULIB_POSIXCHECK
 639 # undef posix_spawnattr_setschedpolicy
 640 # if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETSCHEDPOLICY
 641 _GL_WARN_ON_USE (posix_spawnattr_setschedpolicy,
 642                  "posix_spawnattr_setschedpolicy is unportable - "
 643                  "use gnulib module posix_spawnattr_setschedpolicy for portability");
 644 # endif
 645 #endif
 646
 647 #if @GNULIB_POSIX_SPAWNATTR_GETSCHEDPARAM@
 648 /* Get scheduling parameters from the attribute structure.  */
 649 # if @REPLACE_POSIX_SPAWN@
 650 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 651 #   define posix_spawnattr_getschedparam rpl_posix_spawnattr_getschedparam
 652 #  endif
 653 _GL_FUNCDECL_RPL (posix_spawnattr_getschedparam, int,
 654                   (const posix_spawnattr_t *_Restrict_ __attr,
 655                    struct sched_param *_Restrict_ __schedparam)
 656                   __THROW _GL_ARG_NONNULL ((1, 2)));
 657 _GL_CXXALIAS_RPL (posix_spawnattr_getschedparam, int,
 658                   (const posix_spawnattr_t *_Restrict_ __attr,
 659                    struct sched_param *_Restrict_ __schedparam));
 660 # else
 661 #  if !@HAVE_POSIX_SPAWN@ || POSIX_SPAWN_SETSCHEDPARAM == 0
 662 _GL_FUNCDECL_SYS (posix_spawnattr_getschedparam, int,
 663                   (const posix_spawnattr_t *_Restrict_ __attr,
 664                    struct sched_param *_Restrict_ __schedparam)
 665                   __THROW _GL_ARG_NONNULL ((1, 2)));
 666 #  endif
 667 _GL_CXXALIAS_SYS (posix_spawnattr_getschedparam, int,
 668                   (const posix_spawnattr_t *_Restrict_ __attr,
 669                    struct sched_param *_Restrict_ __schedparam));
 670 # endif
 671 _GL_CXXALIASWARN (posix_spawnattr_getschedparam);
 672 #elif defined GNULIB_POSIXCHECK
 673 # undef posix_spawnattr_getschedparam
 674 # if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETSCHEDPARAM
 675 _GL_WARN_ON_USE (posix_spawnattr_getschedparam,
 676                  "posix_spawnattr_getschedparam is unportable - "
 677                  "use gnulib module posix_spawnattr_getschedparam for portability");
 678 # endif
 679 #endif
 680
 681 #if @GNULIB_POSIX_SPAWNATTR_SETSCHEDPARAM@
 682 /* Store scheduling parameters in the attribute structure.  */
 683 # if @REPLACE_POSIX_SPAWN@
 684 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 685 #   define posix_spawnattr_setschedparam rpl_posix_spawnattr_setschedparam
 686 #  endif
 687 _GL_FUNCDECL_RPL (posix_spawnattr_setschedparam, int,
 688                   (posix_spawnattr_t *_Restrict_ __attr,
 689                    const struct sched_param *_Restrict_ __schedparam)
 690                   __THROW _GL_ARG_NONNULL ((1, 2)));
 691 _GL_CXXALIAS_RPL (posix_spawnattr_setschedparam, int,
 692                   (posix_spawnattr_t *_Restrict_ __attr,
 693                    const struct sched_param *_Restrict_ __schedparam));
 694 # else
 695 #  if !@HAVE_POSIX_SPAWN@ || POSIX_SPAWN_SETSCHEDPARAM == 0
 696 _GL_FUNCDECL_SYS (posix_spawnattr_setschedparam, int,
 697                   (posix_spawnattr_t *_Restrict_ __attr,
 698                    const struct sched_param *_Restrict_ __schedparam)
 699                   __THROW _GL_ARG_NONNULL ((1, 2)));
 700 #  endif
 701 _GL_CXXALIAS_SYS (posix_spawnattr_setschedparam, int,
 702                   (posix_spawnattr_t *_Restrict_ __attr,
 703                    const struct sched_param *_Restrict_ __schedparam));
 704 # endif
 705 _GL_CXXALIASWARN (posix_spawnattr_setschedparam);
 706 #elif defined GNULIB_POSIXCHECK
 707 # undef posix_spawnattr_setschedparam
 708 # if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETSCHEDPARAM
 709 _GL_WARN_ON_USE (posix_spawnattr_setschedparam,
 710                  "posix_spawnattr_setschedparam is unportable - "
 711                  "use gnulib module posix_spawnattr_setschedparam for portability");
 712 # endif
 713 #endif
 714
 715
 716 #if @GNULIB_POSIX_SPAWN_FILE_ACTIONS_INIT@
 717 /* Initialize data structure for file attribute for 'spawn' call.  */
 718 # if @REPLACE_POSIX_SPAWN@
 719 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 720 #   define posix_spawn_file_actions_init rpl_posix_spawn_file_actions_init
 721 #  endif
 722 _GL_FUNCDECL_RPL (posix_spawn_file_actions_init, int,
 723                   (posix_spawn_file_actions_t *__file_actions)
 724                   __THROW _GL_ARG_NONNULL ((1)));
 725 _GL_CXXALIAS_RPL (posix_spawn_file_actions_init, int,
 726                   (posix_spawn_file_actions_t *__file_actions));
 727 # else
 728 #  if !@HAVE_POSIX_SPAWN@
 729 _GL_FUNCDECL_SYS (posix_spawn_file_actions_init, int,
 730                   (posix_spawn_file_actions_t *__file_actions)
 731                   __THROW _GL_ARG_NONNULL ((1)));
 732 #  endif
 733 _GL_CXXALIAS_SYS (posix_spawn_file_actions_init, int,
 734                   (posix_spawn_file_actions_t *__file_actions));
 735 # endif
 736 _GL_CXXALIASWARN (posix_spawn_file_actions_init);
 737 #elif defined GNULIB_POSIXCHECK
 738 # undef posix_spawn_file_actions_init
 739 # if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_INIT
 740 _GL_WARN_ON_USE (posix_spawn_file_actions_init,
 741                  "posix_spawn_file_actions_init is unportable - "
 742                  "use gnulib module posix_spawn_file_actions_init for portability");
 743 # endif
 744 #endif
 745
 746 #if @GNULIB_POSIX_SPAWN_FILE_ACTIONS_DESTROY@
 747 /* Free resources associated with FILE-ACTIONS.  */
 748 # if @REPLACE_POSIX_SPAWN@
 749 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 750 #   define posix_spawn_file_actions_destroy rpl_posix_spawn_file_actions_destroy
 751 #  endif
 752 _GL_FUNCDECL_RPL (posix_spawn_file_actions_destroy, int,
 753                   (posix_spawn_file_actions_t *__file_actions)
 754                   __THROW _GL_ARG_NONNULL ((1)));
 755 _GL_CXXALIAS_RPL (posix_spawn_file_actions_destroy, int,
 756                   (posix_spawn_file_actions_t *__file_actions));
 757 # else
 758 #  if !@HAVE_POSIX_SPAWN@
 759 _GL_FUNCDECL_SYS (posix_spawn_file_actions_destroy, int,
 760                   (posix_spawn_file_actions_t *__file_actions)
 761                   __THROW _GL_ARG_NONNULL ((1)));
 762 #  endif
 763 _GL_CXXALIAS_SYS (posix_spawn_file_actions_destroy, int,
 764                   (posix_spawn_file_actions_t *__file_actions));
 765 # endif
 766 _GL_CXXALIASWARN (posix_spawn_file_actions_destroy);
 767 #elif defined GNULIB_POSIXCHECK
 768 # undef posix_spawn_file_actions_destroy
 769 # if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_DESTROY
 770 _GL_WARN_ON_USE (posix_spawn_file_actions_destroy,
 771                  "posix_spawn_file_actions_destroy is unportable - "
 772                  "use gnulib module posix_spawn_file_actions_destroy for portability");
 773 # endif
 774 #endif
 775
 776 #if @GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN@
 777 /* Add an action to FILE-ACTIONS which tells the implementation to call
 778    'open' for the given file during the 'spawn' call.  */
 779 # if @REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN@
 780 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 781 #   define posix_spawn_file_actions_addopen rpl_posix_spawn_file_actions_addopen
 782 #  endif
 783 _GL_FUNCDECL_RPL (posix_spawn_file_actions_addopen, int,
 784                   (posix_spawn_file_actions_t *_Restrict_ __file_actions,
 785                    int __fd,
 786                    const char *_Restrict_ __path, int __oflag, mode_t __mode)
 787                   __THROW _GL_ARG_NONNULL ((1, 3)));
 788 _GL_CXXALIAS_RPL (posix_spawn_file_actions_addopen, int,
 789                   (posix_spawn_file_actions_t *_Restrict_ __file_actions,
 790                    int __fd,
 791                    const char *_Restrict_ __path, int __oflag, mode_t __mode));
 792 # else
 793 #  if !@HAVE_POSIX_SPAWN@
 794 _GL_FUNCDECL_SYS (posix_spawn_file_actions_addopen, int,
 795                   (posix_spawn_file_actions_t *_Restrict_ __file_actions,
 796                    int __fd,
 797                    const char *_Restrict_ __path, int __oflag, mode_t __mode)
 798                   __THROW _GL_ARG_NONNULL ((1, 3)));
 799 #  endif
 800 _GL_CXXALIAS_SYS (posix_spawn_file_actions_addopen, int,
 801                   (posix_spawn_file_actions_t *_Restrict_ __file_actions,
 802                    int __fd,
 803                    const char *_Restrict_ __path, int __oflag, mode_t __mode));
 804 # endif
 805 _GL_CXXALIASWARN (posix_spawn_file_actions_addopen);
 806 #elif defined GNULIB_POSIXCHECK
 807 # undef posix_spawn_file_actions_addopen
 808 # if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN
 809 _GL_WARN_ON_USE (posix_spawn_file_actions_addopen,
 810                  "posix_spawn_file_actions_addopen is unportable - "
 811                  "use gnulib module posix_spawn_file_actions_addopen for portability");
 812 # endif
 813 #endif
 814
 815 #if @GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE@
 816 /* Add an action to FILE-ACTIONS which tells the implementation to call
 817    'close' for the given file descriptor during the 'spawn' call.  */
 818 # if @REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE@
 819 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 820 #   define posix_spawn_file_actions_addclose rpl_posix_spawn_file_actions_addclose
 821 #  endif
 822 _GL_FUNCDECL_RPL (posix_spawn_file_actions_addclose, int,
 823                   (posix_spawn_file_actions_t *__file_actions, int __fd)
 824                   __THROW _GL_ARG_NONNULL ((1)));
 825 _GL_CXXALIAS_RPL (posix_spawn_file_actions_addclose, int,
 826                   (posix_spawn_file_actions_t *__file_actions, int __fd));
 827 # else
 828 #  if !@HAVE_POSIX_SPAWN@
 829 _GL_FUNCDECL_SYS (posix_spawn_file_actions_addclose, int,
 830                   (posix_spawn_file_actions_t *__file_actions, int __fd)
 831                   __THROW _GL_ARG_NONNULL ((1)));
 832 #  endif
 833 _GL_CXXALIAS_SYS (posix_spawn_file_actions_addclose, int,
 834                   (posix_spawn_file_actions_t *__file_actions, int __fd));
 835 # endif
 836 _GL_CXXALIASWARN (posix_spawn_file_actions_addclose);
 837 #elif defined GNULIB_POSIXCHECK
 838 # undef posix_spawn_file_actions_addclose
 839 # if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE
 840 _GL_WARN_ON_USE (posix_spawn_file_actions_addclose,
 841                  "posix_spawn_file_actions_addclose is unportable - "
 842                  "use gnulib module posix_spawn_file_actions_addclose for portability");
 843 # endif
 844 #endif
 845
 846 #if @GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2@
 847 /* Add an action to FILE-ACTIONS which tells the implementation to call
 848    'dup2' for the given file descriptors during the 'spawn' call.  */
 849 # if @REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2@
 850 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 851 #   define posix_spawn_file_actions_adddup2 rpl_posix_spawn_file_actions_adddup2
 852 #  endif
 853 _GL_FUNCDECL_RPL (posix_spawn_file_actions_adddup2, int,
 854                   (posix_spawn_file_actions_t *__file_actions,
 855                    int __fd, int __newfd)
 856                   __THROW _GL_ARG_NONNULL ((1)));
 857 _GL_CXXALIAS_RPL (posix_spawn_file_actions_adddup2, int,
 858                   (posix_spawn_file_actions_t *__file_actions,
 859                    int __fd, int __newfd));
 860 # else
 861 #  if !@HAVE_POSIX_SPAWN@
 862 _GL_FUNCDECL_SYS (posix_spawn_file_actions_adddup2, int,
 863                   (posix_spawn_file_actions_t *__file_actions,
 864                    int __fd, int __newfd)
 865                   __THROW _GL_ARG_NONNULL ((1)));
 866 #  endif
 867 _GL_CXXALIAS_SYS (posix_spawn_file_actions_adddup2, int,
 868                   (posix_spawn_file_actions_t *__file_actions,
 869                    int __fd, int __newfd));
 870 # endif
 871 _GL_CXXALIASWARN (posix_spawn_file_actions_adddup2);
 872 #elif defined GNULIB_POSIXCHECK
 873 # undef posix_spawn_file_actions_adddup2
 874 # if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2
 875 _GL_WARN_ON_USE (posix_spawn_file_actions_adddup2,
 876                  "posix_spawn_file_actions_adddup2 is unportable - "
 877                  "use gnulib module posix_spawn_file_actions_adddup2 for portability");
 878 # endif
 879 #endif
 880
 881 #if @GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDCHDIR@
 882 /* Add an action to FILE-ACTIONS which tells the implementation to call
 883    'chdir' to the given directory during the 'spawn' call.  */
 884 # if @REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDCHDIR@
 885 #  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
 886 #   define posix_spawn_file_actions_addchdir rpl_posix_spawn_file_actions_addchdir
 887 #  endif
 888 _GL_FUNCDECL_RPL (posix_spawn_file_actions_addchdir, int,
 889                   (posix_spawn_file_actions_t *_Restrict_ __file_actions,
 890                    const char *_Restrict_ __path)
 891                   __THROW _GL_ARG_NONNULL ((1, 2)));
 892 _GL_CXXALIAS_RPL (posix_spawn_file_actions_addchdir, int,
 893                   (posix_spawn_file_actions_t *_Restrict_ __file_actions,
 894                    const char *_Restrict_ __path));
 895 # else
 896 #  if !@HAVE_POSIX_SPAWN_FILE_ACTIONS_ADDCHDIR@
 897 _GL_FUNCDECL_SYS (posix_spawn_file_actions_addchdir, int,
 898                   (posix_spawn_file_actions_t *_Restrict_ __file_actions,
 899                    const char *_Restrict_ __path)
 900                   __THROW _GL_ARG_NONNULL ((1, 2)));
 901 #  endif
 902 _GL_CXXALIAS_SYS (posix_spawn_file_actions_addchdir, int,
 903                   (posix_spawn_file_actions_t *_Restrict_ __file_actions,
 904                    const char *_Restrict_ __path));
 905 # endif
 906 _GL_CXXALIASWARN (posix_spawn_file_actions_addchdir);
 907 #elif defined GNULIB_POSIXCHECK
 908 # undef posix_spawn_file_actions_addchdir
 909 # if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_ADDCHDIR
 910 _GL_WARN_ON_USE (posix_spawn_file_actions_addchdir,
 911                  "posix_spawn_file_actions_addchdir is unportable - "
 912                  "use gnulib module posix_spawn_file_actions_addchdir for portability");
 913 # endif
 914 #endif
 915
 916
 917 #endif /* _@GUARD_PREFIX@_SPAWN_H */
 918 #endif /* _@GUARD_PREFIX@_SPAWN_H */