wget/lib/spawn.in.h

/* Definitions for POSIX spawn interface.
   Copyright (C) 2000, 2003-2004, 2008-2023 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   This file is free software: you can redistribute it and/or modify
   it under the terms of the GNU Lesser General Public License as
   published by the Free Software Foundation; either version 2.1 of the
   License, or (at your option) any later version.

   This file is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License
   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */

#if __GNUC__ >= 3
@PRAGMA_SYSTEM_HEADER@
#endif
@PRAGMA_COLUMNS@

#if defined _GL_ALREADY_INCLUDING_SPAWN_H
/* Special invocation convention:
   On OS/2 kLIBC, <spawn.h> includes <signal.h>. Then <signal.h> ->
   <pthread.h> -> <sched.h> -> <spawn.h> are included by GNULIB.
   In this situation, struct sched_param is not yet defined.  */

#@INCLUDE_NEXT@ @NEXT_SPAWN_H@

#else

#ifndef _@GUARD_PREFIX@_SPAWN_H
/* Normal invocation convention.  */

/* The include_next requires a split double-inclusion guard.  */
#if @HAVE_SPAWN_H@

# define _GL_ALREADY_INCLUDING_SPAWN_H

# @INCLUDE_NEXT@ @NEXT_SPAWN_H@

# define _GL_ALREADY_INCLUDING_SPAWN_H

#endif

#ifndef _@GUARD_PREFIX@_SPAWN_H
#define _@GUARD_PREFIX@_SPAWN_H

/* This file uses GNULIB_POSIXCHECK, HAVE_RAW_DECL_*.  */
#if !_GL_CONFIG_H_INCLUDED
 #error "Please include config.h first."
#endif

/* Get definitions of 'struct sched_param' and 'sigset_t'.
   But avoid namespace pollution on glibc systems.  */
#if !(defined __GLIBC__ && !defined __UCLIBC__)
# include <sched.h>
# include <signal.h>
#endif

#include <sys/types.h>

#ifndef __THROW
# define __THROW
#endif

/* For plain 'restrict', use glibc's __restrict if defined.
   Otherwise, GCC 2.95 and later have "__restrict"; C99 compilers have
   "restrict", and "configure" may have defined "restrict".
   Other compilers use __restrict, __restrict__, and _Restrict, and
   'configure' might #define 'restrict' to those words, so pick a
   different name.  */
#ifndef _Restrict_
# if defined __restrict \
     || 2 < __GNUC__ + (95 <= __GNUC_MINOR__) \
     || __clang_major__ >= 3
#  define _Restrict_ __restrict
# elif 199901L <= __STDC_VERSION__ || defined restrict
#  define _Restrict_ restrict
# else
#  define _Restrict_
# endif
#endif
/* For the ISO C99 syntax
     array_name[restrict]
   use glibc's __restrict_arr if available.
   Otherwise, GCC 3.1 and clang support this syntax (but not in C++ mode).
   Other ISO C99 compilers support it as well.  */
#ifndef _Restrict_arr_
# ifdef __restrict_arr
#  define _Restrict_arr_ __restrict_arr
# elif ((199901L <= __STDC_VERSION__ \
         || 3 < __GNUC__ + (1 <= __GNUC_MINOR__) \
         || __clang_major__ >= 3) \
        && !defined __cplusplus)
#  define _Restrict_arr_ _Restrict_
# else
#  define _Restrict_arr_
# endif
#endif

/* The definitions of _GL_FUNCDECL_RPL etc. are copied here.  */

/* The definition of _GL_ARG_NONNULL is copied here.  */

/* The definition of _GL_WARN_ON_USE is copied here.  */


/* Data structure to contain attributes for thread creation.  */
#if @REPLACE_POSIX_SPAWN@ || (@HAVE_POSIX_SPAWNATTR_T@ && !@HAVE_POSIX_SPAWN@)
# define posix_spawnattr_t rpl_posix_spawnattr_t
#endif
#if @REPLACE_POSIX_SPAWN@ || !@HAVE_POSIX_SPAWNATTR_T@ || !@HAVE_POSIX_SPAWN@
# if !GNULIB_defined_posix_spawnattr_t
typedef struct
{
  short int _flags;
  pid_t _pgrp;
  sigset_t _sd;
  sigset_t _ss;
  struct sched_param _sp;
  int _policy;
  int __pad[16];
} posix_spawnattr_t;
#  define GNULIB_defined_posix_spawnattr_t 1
# endif
#endif


/* Data structure to contain information about the actions to be
   performed in the new process with respect to file descriptors.  */
#if @REPLACE_POSIX_SPAWN@ || (@HAVE_POSIX_SPAWN_FILE_ACTIONS_T@ && !@HAVE_POSIX_SPAWN@)
# define posix_spawn_file_actions_t rpl_posix_spawn_file_actions_t
#endif
#if @REPLACE_POSIX_SPAWN@ || !@HAVE_POSIX_SPAWN_FILE_ACTIONS_T@ || !@HAVE_POSIX_SPAWN@
# if !GNULIB_defined_posix_spawn_file_actions_t
typedef struct
{
  int _allocated;
  int _used;
  struct __spawn_action *_actions;
  int __pad[16];
} posix_spawn_file_actions_t;
#  define GNULIB_defined_posix_spawn_file_actions_t 1
# endif
#endif


/* Flags to be set in the 'posix_spawnattr_t'.  */
#if @HAVE_POSIX_SPAWN@
# if @REPLACE_POSIX_SPAWN@
/* Use the values from the system, for better compatibility.  */
/* But this implementation does not support AIX extensions.  */
#   undef POSIX_SPAWN_FORK_HANDLERS
# endif
/* Provide the values that the system is lacking.  */
# ifndef POSIX_SPAWN_SETSCHEDPARAM
#  define POSIX_SPAWN_SETSCHEDPARAM 0
# endif
# ifndef POSIX_SPAWN_SETSCHEDULER
#  define POSIX_SPAWN_SETSCHEDULER 0
# endif
#else /* !@HAVE_POSIX_SPAWN@ */
# define POSIX_SPAWN_RESETIDS           0x01
# define POSIX_SPAWN_SETPGROUP          0x02
# define POSIX_SPAWN_SETSIGDEF          0x04
# define POSIX_SPAWN_SETSIGMASK         0x08
# define POSIX_SPAWN_SETSCHEDPARAM      0x10
# define POSIX_SPAWN_SETSCHEDULER       0x20
#endif
/* A GNU extension.  Use the next free bit position.  */
#ifndef POSIX_SPAWN_USEVFORK
# define POSIX_SPAWN_USEVFORK \
  ((POSIX_SPAWN_RESETIDS | (POSIX_SPAWN_RESETIDS - 1)                     \
    | POSIX_SPAWN_SETPGROUP | (POSIX_SPAWN_SETPGROUP - 1)                 \
    | POSIX_SPAWN_SETSIGDEF | (POSIX_SPAWN_SETSIGDEF - 1)                 \
    | POSIX_SPAWN_SETSIGMASK | (POSIX_SPAWN_SETSIGMASK - 1)               \
    | POSIX_SPAWN_SETSCHEDPARAM                                           \
    | (POSIX_SPAWN_SETSCHEDPARAM > 0 ? POSIX_SPAWN_SETSCHEDPARAM - 1 : 0) \
    | POSIX_SPAWN_SETSCHEDULER                                            \
    | (POSIX_SPAWN_SETSCHEDULER > 0 ? POSIX_SPAWN_SETSCHEDULER - 1 : 0))  \
   + 1)
#endif
#if !GNULIB_defined_verify_POSIX_SPAWN_USEVFORK_no_overlap
typedef int verify_POSIX_SPAWN_USEVFORK_no_overlap
            [(((POSIX_SPAWN_RESETIDS | POSIX_SPAWN_SETPGROUP
                | POSIX_SPAWN_SETSIGDEF | POSIX_SPAWN_SETSIGMASK
                | POSIX_SPAWN_SETSCHEDPARAM | POSIX_SPAWN_SETSCHEDULER)
               & POSIX_SPAWN_USEVFORK)
              == 0)
             ? 1 : -1];
# define GNULIB_defined_verify_POSIX_SPAWN_USEVFORK_no_overlap 1
#endif


#if @GNULIB_POSIX_SPAWN@
/* Spawn a new process executing PATH with the attributes describes in *ATTRP.
   Before running the process perform the actions described in FILE-ACTIONS.

   This function is a possible cancellation points and therefore not
   marked with __THROW. */
# if @REPLACE_POSIX_SPAWN@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   define posix_spawn rpl_posix_spawn
#  endif
_GL_FUNCDECL_RPL (posix_spawn, int,
                  (pid_t *_Restrict_ __pid,
                   const char *_Restrict_ __path,
                   const posix_spawn_file_actions_t *_Restrict_ __file_actions,
                   const posix_spawnattr_t *_Restrict_ __attrp,
                   char *const argv[_Restrict_arr_],
                   char *const envp[_Restrict_arr_])
                  _GL_ARG_NONNULL ((2, 5, 6)));
_GL_CXXALIAS_RPL (posix_spawn, int,
                  (pid_t *_Restrict_ __pid,
                   const char *_Restrict_ __path,
                   const posix_spawn_file_actions_t *_Restrict_ __file_actions,
                   const posix_spawnattr_t *_Restrict_ __attrp,
                   char *const argv[_Restrict_arr_],
                   char *const envp[_Restrict_arr_]));
# else
#  if !@HAVE_POSIX_SPAWN@
_GL_FUNCDECL_SYS (posix_spawn, int,
                  (pid_t *_Restrict_ __pid,
                   const char *_Restrict_ __path,
                   const posix_spawn_file_actions_t *_Restrict_ __file_actions,
                   const posix_spawnattr_t *_Restrict_ __attrp,
                   char *const argv[_Restrict_arr_],
                   char *const envp[_Restrict_arr_])
                  _GL_ARG_NONNULL ((2, 5, 6)));
#  endif
_GL_CXXALIAS_SYS (posix_spawn, int,
                  (pid_t *_Restrict_ __pid,
                   const char *_Restrict_ __path,
                   const posix_spawn_file_actions_t *_Restrict_ __file_actions,
                   const posix_spawnattr_t *_Restrict_ __attrp,
                   char *const argv[_Restrict_arr_],
                   char *const envp[_Restrict_arr_]));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (posix_spawn);
# endif
#elif defined GNULIB_POSIXCHECK
# undef posix_spawn
# if HAVE_RAW_DECL_POSIX_SPAWN
_GL_WARN_ON_USE (posix_spawn, "posix_spawn is unportable - "
                 "use gnulib module posix_spawn for portability");
# endif
#endif

#if @GNULIB_POSIX_SPAWNP@
/* Similar to 'posix_spawn' but search for FILE in the PATH.

   This function is a possible cancellation points and therefore not
   marked with __THROW.  */
# if @REPLACE_POSIX_SPAWN@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   define posix_spawnp rpl_posix_spawnp
#  endif
_GL_FUNCDECL_RPL (posix_spawnp, int,
                  (pid_t *__pid, const char *__file,
                   const posix_spawn_file_actions_t *__file_actions,
                   const posix_spawnattr_t *__attrp,
                   char *const argv[], char *const envp[])
                  _GL_ARG_NONNULL ((2, 5, 6)));
_GL_CXXALIAS_RPL (posix_spawnp, int,
                  (pid_t *__pid, const char *__file,
                   const posix_spawn_file_actions_t *__file_actions,
                   const posix_spawnattr_t *__attrp,
                   char *const argv[], char *const envp[]));
# else
#  if !@HAVE_POSIX_SPAWN@
_GL_FUNCDECL_SYS (posix_spawnp, int,
                  (pid_t *__pid, const char *__file,
                   const posix_spawn_file_actions_t *__file_actions,
                   const posix_spawnattr_t *__attrp,
                   char *const argv[], char *const envp[])
                  _GL_ARG_NONNULL ((2, 5, 6)));
#  endif
_GL_CXXALIAS_SYS (posix_spawnp, int,
                  (pid_t *__pid, const char *__file,
                   const posix_spawn_file_actions_t *__file_actions,
                   const posix_spawnattr_t *__attrp,
                   char *const argv[], char *const envp[]));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (posix_spawnp);
# endif
#elif defined GNULIB_POSIXCHECK
# undef posix_spawnp
# if HAVE_RAW_DECL_POSIX_SPAWNP
_GL_WARN_ON_USE (posix_spawnp, "posix_spawnp is unportable - "
                 "use gnulib module posix_spawnp for portability");
# endif
#endif


#if @GNULIB_POSIX_SPAWNATTR_INIT@
/* Initialize data structure with attributes for 'spawn' to default values.  */
# if @REPLACE_POSIX_SPAWN@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   define posix_spawnattr_init rpl_posix_spawnattr_init
#  endif
_GL_FUNCDECL_RPL (posix_spawnattr_init, int, (posix_spawnattr_t *__attr)
                                             __THROW _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (posix_spawnattr_init, int, (posix_spawnattr_t *__attr));
# else
#  if !@HAVE_POSIX_SPAWN@
_GL_FUNCDECL_SYS (posix_spawnattr_init, int, (posix_spawnattr_t *__attr)
                                             __THROW _GL_ARG_NONNULL ((1)));
#  endif
_GL_CXXALIAS_SYS (posix_spawnattr_init, int, (posix_spawnattr_t *__attr));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (posix_spawnattr_init);
# endif
#elif defined GNULIB_POSIXCHECK
# undef posix_spawnattr_init
# if HAVE_RAW_DECL_POSIX_SPAWNATTR_INIT
_GL_WARN_ON_USE (posix_spawnattr_init, "posix_spawnattr_init is unportable - "
                 "use gnulib module posix_spawnattr_init for portability");
# endif
#endif

#if @GNULIB_POSIX_SPAWNATTR_DESTROY@
/* Free resources associated with ATTR.  */
# if @REPLACE_POSIX_SPAWN@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   define posix_spawnattr_destroy rpl_posix_spawnattr_destroy
#  endif
_GL_FUNCDECL_RPL (posix_spawnattr_destroy, int, (posix_spawnattr_t *__attr)
                                                __THROW _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (posix_spawnattr_destroy, int, (posix_spawnattr_t *__attr));
# else
#  if !@HAVE_POSIX_SPAWN@
_GL_FUNCDECL_SYS (posix_spawnattr_destroy, int, (posix_spawnattr_t *__attr)
                                                __THROW _GL_ARG_NONNULL ((1)));
#  endif
_GL_CXXALIAS_SYS (posix_spawnattr_destroy, int, (posix_spawnattr_t *__attr));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (posix_spawnattr_destroy);
# endif
#elif defined GNULIB_POSIXCHECK
# undef posix_spawnattr_destroy
# if HAVE_RAW_DECL_POSIX_SPAWNATTR_DESTROY
_GL_WARN_ON_USE (posix_spawnattr_destroy,
                 "posix_spawnattr_destroy is unportable - "
                 "use gnulib module posix_spawnattr_destroy for portability");
# endif
#endif

#if @GNULIB_POSIX_SPAWNATTR_GETSIGDEFAULT@
/* Store signal mask for signals with default handling from ATTR in
   SIGDEFAULT.  */
# if @REPLACE_POSIX_SPAWN@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   define posix_spawnattr_getsigdefault rpl_posix_spawnattr_getsigdefault
#  endif
_GL_FUNCDECL_RPL (posix_spawnattr_getsigdefault, int,
                  (const posix_spawnattr_t *_Restrict_ __attr,
                   sigset_t *_Restrict_ __sigdefault)
                  __THROW _GL_ARG_NONNULL ((1, 2)));
_GL_CXXALIAS_RPL (posix_spawnattr_getsigdefault, int,
                  (const posix_spawnattr_t *_Restrict_ __attr,
                   sigset_t *_Restrict_ __sigdefault));
# else
#  if !@HAVE_POSIX_SPAWN@
_GL_FUNCDECL_SYS (posix_spawnattr_getsigdefault, int,
                  (const posix_spawnattr_t *_Restrict_ __attr,
                   sigset_t *_Restrict_ __sigdefault)
                  __THROW _GL_ARG_NONNULL ((1, 2)));
#  endif
_GL_CXXALIAS_SYS (posix_spawnattr_getsigdefault, int,
                  (const posix_spawnattr_t *_Restrict_ __attr,
                   sigset_t *_Restrict_ __sigdefault));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (posix_spawnattr_getsigdefault);
# endif
#elif defined GNULIB_POSIXCHECK
# undef posix_spawnattr_getsigdefault
# if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETSIGDEFAULT
_GL_WARN_ON_USE (posix_spawnattr_getsigdefault,
                 "posix_spawnattr_getsigdefault is unportable - "
                 "use gnulib module posix_spawnattr_getsigdefault for portability");
# endif
#endif

#if @GNULIB_POSIX_SPAWNATTR_SETSIGDEFAULT@
/* Set signal mask for signals with default handling in ATTR to SIGDEFAULT.  */
# if @REPLACE_POSIX_SPAWN@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   define posix_spawnattr_setsigdefault rpl_posix_spawnattr_setsigdefault
#  endif
_GL_FUNCDECL_RPL (posix_spawnattr_setsigdefault, int,
                  (posix_spawnattr_t *_Restrict_ __attr,
                   const sigset_t *_Restrict_ __sigdefault)
                  __THROW _GL_ARG_NONNULL ((1, 2)));
_GL_CXXALIAS_RPL (posix_spawnattr_setsigdefault, int,
                  (posix_spawnattr_t *_Restrict_ __attr,
                   const sigset_t *_Restrict_ __sigdefault));
# else
#  if !@HAVE_POSIX_SPAWN@
_GL_FUNCDECL_SYS (posix_spawnattr_setsigdefault, int,
                  (posix_spawnattr_t *_Restrict_ __attr,
                   const sigset_t *_Restrict_ __sigdefault)
                  __THROW _GL_ARG_NONNULL ((1, 2)));
#  endif
_GL_CXXALIAS_SYS (posix_spawnattr_setsigdefault, int,
                  (posix_spawnattr_t *_Restrict_ __attr,
                   const sigset_t *_Restrict_ __sigdefault));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (posix_spawnattr_setsigdefault);
# endif
#elif defined GNULIB_POSIXCHECK
# undef posix_spawnattr_setsigdefault
# if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETSIGDEFAULT
_GL_WARN_ON_USE (posix_spawnattr_setsigdefault,
                 "posix_spawnattr_setsigdefault is unportable - "
                 "use gnulib module posix_spawnattr_setsigdefault for portability");
# endif
#endif

#if @GNULIB_POSIX_SPAWNATTR_GETSIGMASK@
/* Store signal mask for the new process from ATTR in SIGMASK.  */
# if @REPLACE_POSIX_SPAWN@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   define posix_spawnattr_getsigmask rpl_posix_spawnattr_getsigmask
#  endif
_GL_FUNCDECL_RPL (posix_spawnattr_getsigmask, int,
                  (const posix_spawnattr_t *_Restrict_ __attr,
                   sigset_t *_Restrict_ __sigmask)
                  __THROW _GL_ARG_NONNULL ((1, 2)));
_GL_CXXALIAS_RPL (posix_spawnattr_getsigmask, int,
                  (const posix_spawnattr_t *_Restrict_ __attr,
                   sigset_t *_Restrict_ __sigmask));
# else
#  if !@HAVE_POSIX_SPAWN@
_GL_FUNCDECL_SYS (posix_spawnattr_getsigmask, int,
                  (const posix_spawnattr_t *_Restrict_ __attr,
                   sigset_t *_Restrict_ __sigmask)
                  __THROW _GL_ARG_NONNULL ((1, 2)));
#  endif
_GL_CXXALIAS_SYS (posix_spawnattr_getsigmask, int,
                  (const posix_spawnattr_t *_Restrict_ __attr,
                   sigset_t *_Restrict_ __sigmask));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (posix_spawnattr_getsigmask);
# endif
#elif defined GNULIB_POSIXCHECK
# undef posix_spawnattr_getsigmask
# if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETSIGMASK
_GL_WARN_ON_USE (posix_spawnattr_getsigmask,
                 "posix_spawnattr_getsigmask is unportable - "
                 "use gnulib module posix_spawnattr_getsigmask for portability");
# endif
#endif

#if @GNULIB_POSIX_SPAWNATTR_SETSIGMASK@
/* Set signal mask for the new process in ATTR to SIGMASK.  */
# if @REPLACE_POSIX_SPAWN@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   define posix_spawnattr_setsigmask rpl_posix_spawnattr_setsigmask
#  endif
_GL_FUNCDECL_RPL (posix_spawnattr_setsigmask, int,
                  (posix_spawnattr_t *_Restrict_ __attr,
                   const sigset_t *_Restrict_ __sigmask)
                  __THROW _GL_ARG_NONNULL ((1, 2)));
_GL_CXXALIAS_RPL (posix_spawnattr_setsigmask, int,
                  (posix_spawnattr_t *_Restrict_ __attr,
                   const sigset_t *_Restrict_ __sigmask));
# else
#  if !@HAVE_POSIX_SPAWN@
_GL_FUNCDECL_SYS (posix_spawnattr_setsigmask, int,
                  (posix_spawnattr_t *_Restrict_ __attr,
                   const sigset_t *_Restrict_ __sigmask)
                  __THROW _GL_ARG_NONNULL ((1, 2)));
#  endif
_GL_CXXALIAS_SYS (posix_spawnattr_setsigmask, int,
                  (posix_spawnattr_t *_Restrict_ __attr,
                   const sigset_t *_Restrict_ __sigmask));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (posix_spawnattr_setsigmask);
# endif
#elif defined GNULIB_POSIXCHECK
# undef posix_spawnattr_setsigmask
# if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETSIGMASK
_GL_WARN_ON_USE (posix_spawnattr_setsigmask,
                 "posix_spawnattr_setsigmask is unportable - "
                 "use gnulib module posix_spawnattr_setsigmask for portability");
# endif
#endif

#if @GNULIB_POSIX_SPAWNATTR_GETFLAGS@
/* Get flag word from the attribute structure.  */
# if @REPLACE_POSIX_SPAWN@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   define posix_spawnattr_getflags rpl_posix_spawnattr_getflags
#  endif
_GL_FUNCDECL_RPL (posix_spawnattr_getflags, int,
                  (const posix_spawnattr_t *_Restrict_ __attr,
                   short int *_Restrict_ __flags)
                  __THROW _GL_ARG_NONNULL ((1, 2)));
_GL_CXXALIAS_RPL (posix_spawnattr_getflags, int,
                  (const posix_spawnattr_t *_Restrict_ __attr,
                   short int *_Restrict_ __flags));
# else
#  if !@HAVE_POSIX_SPAWN@
_GL_FUNCDECL_SYS (posix_spawnattr_getflags, int,
                  (const posix_spawnattr_t *_Restrict_ __attr,
                   short int *_Restrict_ __flags)
                  __THROW _GL_ARG_NONNULL ((1, 2)));
#  endif
_GL_CXXALIAS_SYS (posix_spawnattr_getflags, int,
                  (const posix_spawnattr_t *_Restrict_ __attr,
                   short int *_Restrict_ __flags));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (posix_spawnattr_getflags);
# endif
#elif defined GNULIB_POSIXCHECK
# undef posix_spawnattr_getflags
# if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETFLAGS
_GL_WARN_ON_USE (posix_spawnattr_getflags,
                 "posix_spawnattr_getflags is unportable - "
                 "use gnulib module posix_spawnattr_getflags for portability");
# endif
#endif

#if @GNULIB_POSIX_SPAWNATTR_SETFLAGS@
/* Store flags in the attribute structure.  */
# if @REPLACE_POSIX_SPAWN@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   define posix_spawnattr_setflags rpl_posix_spawnattr_setflags
#  endif
_GL_FUNCDECL_RPL (posix_spawnattr_setflags, int,
                  (posix_spawnattr_t *__attr, short int __flags)
                  __THROW _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (posix_spawnattr_setflags, int,
                  (posix_spawnattr_t *__attr, short int __flags));
# else
#  if !@HAVE_POSIX_SPAWN@
_GL_FUNCDECL_SYS (posix_spawnattr_setflags, int,
                  (posix_spawnattr_t *__attr, short int __flags)
                  __THROW _GL_ARG_NONNULL ((1)));
#  endif
_GL_CXXALIAS_SYS (posix_spawnattr_setflags, int,
                  (posix_spawnattr_t *__attr, short int __flags));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (posix_spawnattr_setflags);
# endif
#elif defined GNULIB_POSIXCHECK
# undef posix_spawnattr_setflags
# if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETFLAGS
_GL_WARN_ON_USE (posix_spawnattr_setflags,
                 "posix_spawnattr_setflags is unportable - "
                 "use gnulib module posix_spawnattr_setflags for portability");
# endif
#endif

#if @GNULIB_POSIX_SPAWNATTR_GETPGROUP@
/* Get process group ID from the attribute structure.  */
# if @REPLACE_POSIX_SPAWN@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   define posix_spawnattr_getpgroup rpl_posix_spawnattr_getpgroup
#  endif
_GL_FUNCDECL_RPL (posix_spawnattr_getpgroup, int,
                  (const posix_spawnattr_t *_Restrict_ __attr,
                   pid_t *_Restrict_ __pgroup)
                  __THROW _GL_ARG_NONNULL ((1, 2)));
_GL_CXXALIAS_RPL (posix_spawnattr_getpgroup, int,
                  (const posix_spawnattr_t *_Restrict_ __attr,
                   pid_t *_Restrict_ __pgroup));
# else
#  if !@HAVE_POSIX_SPAWN@
_GL_FUNCDECL_SYS (posix_spawnattr_getpgroup, int,
                  (const posix_spawnattr_t *_Restrict_ __attr,
                   pid_t *_Restrict_ __pgroup)
                  __THROW _GL_ARG_NONNULL ((1, 2)));
#  endif
_GL_CXXALIAS_SYS (posix_spawnattr_getpgroup, int,
                  (const posix_spawnattr_t *_Restrict_ __attr,
                   pid_t *_Restrict_ __pgroup));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (posix_spawnattr_getpgroup);
# endif
#elif defined GNULIB_POSIXCHECK
# undef posix_spawnattr_getpgroup
# if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETPGROUP
_GL_WARN_ON_USE (posix_spawnattr_getpgroup,
                 "posix_spawnattr_getpgroup is unportable - "
                 "use gnulib module posix_spawnattr_getpgroup for portability");
# endif
#endif

#if @GNULIB_POSIX_SPAWNATTR_SETPGROUP@
/* Store process group ID in the attribute structure.  */
# if @REPLACE_POSIX_SPAWN@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   define posix_spawnattr_setpgroup rpl_posix_spawnattr_setpgroup
#  endif
_GL_FUNCDECL_RPL (posix_spawnattr_setpgroup, int,
                  (posix_spawnattr_t *__attr, pid_t __pgroup)
                  __THROW _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (posix_spawnattr_setpgroup, int,
                  (posix_spawnattr_t *__attr, pid_t __pgroup));
# else
#  if !@HAVE_POSIX_SPAWN@
_GL_FUNCDECL_SYS (posix_spawnattr_setpgroup, int,
                  (posix_spawnattr_t *__attr, pid_t __pgroup)
                  __THROW _GL_ARG_NONNULL ((1)));
#  endif
_GL_CXXALIAS_SYS (posix_spawnattr_setpgroup, int,
                  (posix_spawnattr_t *__attr, pid_t __pgroup));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (posix_spawnattr_setpgroup);
# endif
#elif defined GNULIB_POSIXCHECK
# undef posix_spawnattr_setpgroup
# if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETPGROUP
_GL_WARN_ON_USE (posix_spawnattr_setpgroup,
                 "posix_spawnattr_setpgroup is unportable - "
                 "use gnulib module posix_spawnattr_setpgroup for portability");
# endif
#endif

#if @GNULIB_POSIX_SPAWNATTR_GETSCHEDPOLICY@
/* Get scheduling policy from the attribute structure.  */
# if @REPLACE_POSIX_SPAWN@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   define posix_spawnattr_getschedpolicy rpl_posix_spawnattr_getschedpolicy
#  endif
_GL_FUNCDECL_RPL (posix_spawnattr_getschedpolicy, int,
                  (const posix_spawnattr_t *_Restrict_ __attr,
                   int *_Restrict_ __schedpolicy)
                  __THROW _GL_ARG_NONNULL ((1, 2)));
_GL_CXXALIAS_RPL (posix_spawnattr_getschedpolicy, int,
                  (const posix_spawnattr_t *_Restrict_ __attr,
                   int *_Restrict_ __schedpolicy));
# else
#  if !@HAVE_POSIX_SPAWN@ || POSIX_SPAWN_SETSCHEDULER == 0
_GL_FUNCDECL_SYS (posix_spawnattr_getschedpolicy, int,
                  (const posix_spawnattr_t *_Restrict_ __attr,
                   int *_Restrict_ __schedpolicy)
                  __THROW _GL_ARG_NONNULL ((1, 2)));
#  endif
_GL_CXXALIAS_SYS (posix_spawnattr_getschedpolicy, int,
                  (const posix_spawnattr_t *_Restrict_ __attr,
                   int *_Restrict_ __schedpolicy));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (posix_spawnattr_getschedpolicy);
# endif
#elif defined GNULIB_POSIXCHECK
# undef posix_spawnattr_getschedpolicy
# if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETSCHEDPOLICY
_GL_WARN_ON_USE (posix_spawnattr_getschedpolicy,
                 "posix_spawnattr_getschedpolicy is unportable - "
                 "use gnulib module posix_spawnattr_getschedpolicy for portability");
# endif
#endif

#if @GNULIB_POSIX_SPAWNATTR_SETSCHEDPOLICY@
/* Store scheduling policy in the attribute structure.  */
# if @REPLACE_POSIX_SPAWN@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   define posix_spawnattr_setschedpolicy rpl_posix_spawnattr_setschedpolicy
#  endif
_GL_FUNCDECL_RPL (posix_spawnattr_setschedpolicy, int,
                  (posix_spawnattr_t *__attr, int __schedpolicy)
                  __THROW _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (posix_spawnattr_setschedpolicy, int,
                  (posix_spawnattr_t *__attr, int __schedpolicy));
# else
#  if !@HAVE_POSIX_SPAWN@ || POSIX_SPAWN_SETSCHEDULER == 0
_GL_FUNCDECL_SYS (posix_spawnattr_setschedpolicy, int,
                  (posix_spawnattr_t *__attr, int __schedpolicy)
                  __THROW _GL_ARG_NONNULL ((1)));
#  endif
_GL_CXXALIAS_SYS (posix_spawnattr_setschedpolicy, int,
                  (posix_spawnattr_t *__attr, int __schedpolicy));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (posix_spawnattr_setschedpolicy);
# endif
#elif defined GNULIB_POSIXCHECK
# undef posix_spawnattr_setschedpolicy
# if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETSCHEDPOLICY
_GL_WARN_ON_USE (posix_spawnattr_setschedpolicy,
                 "posix_spawnattr_setschedpolicy is unportable - "
                 "use gnulib module posix_spawnattr_setschedpolicy for portability");
# endif
#endif

#if @GNULIB_POSIX_SPAWNATTR_GETSCHEDPARAM@
/* Get scheduling parameters from the attribute structure.  */
# if @REPLACE_POSIX_SPAWN@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   define posix_spawnattr_getschedparam rpl_posix_spawnattr_getschedparam
#  endif
_GL_FUNCDECL_RPL (posix_spawnattr_getschedparam, int,
                  (const posix_spawnattr_t *_Restrict_ __attr,
                   struct sched_param *_Restrict_ __schedparam)
                  __THROW _GL_ARG_NONNULL ((1, 2)));
_GL_CXXALIAS_RPL (posix_spawnattr_getschedparam, int,
                  (const posix_spawnattr_t *_Restrict_ __attr,
                   struct sched_param *_Restrict_ __schedparam));
# else
#  if !@HAVE_POSIX_SPAWN@ || POSIX_SPAWN_SETSCHEDPARAM == 0
_GL_FUNCDECL_SYS (posix_spawnattr_getschedparam, int,
                  (const posix_spawnattr_t *_Restrict_ __attr,
                   struct sched_param *_Restrict_ __schedparam)
                  __THROW _GL_ARG_NONNULL ((1, 2)));
#  endif
_GL_CXXALIAS_SYS (posix_spawnattr_getschedparam, int,
                  (const posix_spawnattr_t *_Restrict_ __attr,
                   struct sched_param *_Restrict_ __schedparam));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (posix_spawnattr_getschedparam);
# endif
#elif defined GNULIB_POSIXCHECK
# undef posix_spawnattr_getschedparam
# if HAVE_RAW_DECL_POSIX_SPAWNATTR_GETSCHEDPARAM
_GL_WARN_ON_USE (posix_spawnattr_getschedparam,
                 "posix_spawnattr_getschedparam is unportable - "
                 "use gnulib module posix_spawnattr_getschedparam for portability");
# endif
#endif

#if @GNULIB_POSIX_SPAWNATTR_SETSCHEDPARAM@
/* Store scheduling parameters in the attribute structure.  */
# if @REPLACE_POSIX_SPAWN@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   define posix_spawnattr_setschedparam rpl_posix_spawnattr_setschedparam
#  endif
_GL_FUNCDECL_RPL (posix_spawnattr_setschedparam, int,
                  (posix_spawnattr_t *_Restrict_ __attr,
                   const struct sched_param *_Restrict_ __schedparam)
                  __THROW _GL_ARG_NONNULL ((1, 2)));
_GL_CXXALIAS_RPL (posix_spawnattr_setschedparam, int,
                  (posix_spawnattr_t *_Restrict_ __attr,
                   const struct sched_param *_Restrict_ __schedparam));
# else
#  if !@HAVE_POSIX_SPAWN@ || POSIX_SPAWN_SETSCHEDPARAM == 0
_GL_FUNCDECL_SYS (posix_spawnattr_setschedparam, int,
                  (posix_spawnattr_t *_Restrict_ __attr,
                   const struct sched_param *_Restrict_ __schedparam)
                  __THROW _GL_ARG_NONNULL ((1, 2)));
#  endif
_GL_CXXALIAS_SYS (posix_spawnattr_setschedparam, int,
                  (posix_spawnattr_t *_Restrict_ __attr,
                   const struct sched_param *_Restrict_ __schedparam));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (posix_spawnattr_setschedparam);
# endif
#elif defined GNULIB_POSIXCHECK
# undef posix_spawnattr_setschedparam
# if HAVE_RAW_DECL_POSIX_SPAWNATTR_SETSCHEDPARAM
_GL_WARN_ON_USE (posix_spawnattr_setschedparam,
                 "posix_spawnattr_setschedparam is unportable - "
                 "use gnulib module posix_spawnattr_setschedparam for portability");
# endif
#endif


#if @GNULIB_POSIX_SPAWN_FILE_ACTIONS_INIT@
/* Initialize data structure for file attribute for 'spawn' call.  */
# if @REPLACE_POSIX_SPAWN@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   define posix_spawn_file_actions_init rpl_posix_spawn_file_actions_init
#  endif
_GL_FUNCDECL_RPL (posix_spawn_file_actions_init, int,
                  (posix_spawn_file_actions_t *__file_actions)
                  __THROW _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (posix_spawn_file_actions_init, int,
                  (posix_spawn_file_actions_t *__file_actions));
# else
#  if !@HAVE_POSIX_SPAWN@
_GL_FUNCDECL_SYS (posix_spawn_file_actions_init, int,
                  (posix_spawn_file_actions_t *__file_actions)
                  __THROW _GL_ARG_NONNULL ((1)));
#  endif
_GL_CXXALIAS_SYS (posix_spawn_file_actions_init, int,
                  (posix_spawn_file_actions_t *__file_actions));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (posix_spawn_file_actions_init);
# endif
#elif defined GNULIB_POSIXCHECK
# undef posix_spawn_file_actions_init
# if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_INIT
_GL_WARN_ON_USE (posix_spawn_file_actions_init,
                 "posix_spawn_file_actions_init is unportable - "
                 "use gnulib module posix_spawn_file_actions_init for portability");
# endif
#endif

#if @GNULIB_POSIX_SPAWN_FILE_ACTIONS_DESTROY@
/* Free resources associated with FILE-ACTIONS.  */
# if @REPLACE_POSIX_SPAWN@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   define posix_spawn_file_actions_destroy rpl_posix_spawn_file_actions_destroy
#  endif
_GL_FUNCDECL_RPL (posix_spawn_file_actions_destroy, int,
                  (posix_spawn_file_actions_t *__file_actions)
                  __THROW _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (posix_spawn_file_actions_destroy, int,
                  (posix_spawn_file_actions_t *__file_actions));
# else
#  if !@HAVE_POSIX_SPAWN@
_GL_FUNCDECL_SYS (posix_spawn_file_actions_destroy, int,
                  (posix_spawn_file_actions_t *__file_actions)
                  __THROW _GL_ARG_NONNULL ((1)));
#  endif
_GL_CXXALIAS_SYS (posix_spawn_file_actions_destroy, int,
                  (posix_spawn_file_actions_t *__file_actions));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (posix_spawn_file_actions_destroy);
# endif
#elif defined GNULIB_POSIXCHECK
# undef posix_spawn_file_actions_destroy
# if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_DESTROY
_GL_WARN_ON_USE (posix_spawn_file_actions_destroy,
                 "posix_spawn_file_actions_destroy is unportable - "
                 "use gnulib module posix_spawn_file_actions_destroy for portability");
# endif
#endif

#if @GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN@
/* Add an action to FILE-ACTIONS which tells the implementation to call
   'open' for the given file during the 'spawn' call.  */
# if @REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   define posix_spawn_file_actions_addopen rpl_posix_spawn_file_actions_addopen
#  endif
_GL_FUNCDECL_RPL (posix_spawn_file_actions_addopen, int,
                  (posix_spawn_file_actions_t *_Restrict_ __file_actions,
                   int __fd,
                   const char *_Restrict_ __path, int __oflag, mode_t __mode)
                  __THROW _GL_ARG_NONNULL ((1, 3)));
_GL_CXXALIAS_RPL (posix_spawn_file_actions_addopen, int,
                  (posix_spawn_file_actions_t *_Restrict_ __file_actions,
                   int __fd,
                   const char *_Restrict_ __path, int __oflag, mode_t __mode));
# else
#  if !@HAVE_POSIX_SPAWN@
_GL_FUNCDECL_SYS (posix_spawn_file_actions_addopen, int,
                  (posix_spawn_file_actions_t *_Restrict_ __file_actions,
                   int __fd,
                   const char *_Restrict_ __path, int __oflag, mode_t __mode)
                  __THROW _GL_ARG_NONNULL ((1, 3)));
#  endif
_GL_CXXALIAS_SYS (posix_spawn_file_actions_addopen, int,
                  (posix_spawn_file_actions_t *_Restrict_ __file_actions,
                   int __fd,
                   const char *_Restrict_ __path, int __oflag, mode_t __mode));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (posix_spawn_file_actions_addopen);
# endif
#elif defined GNULIB_POSIXCHECK
# undef posix_spawn_file_actions_addopen
# if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_ADDOPEN
_GL_WARN_ON_USE (posix_spawn_file_actions_addopen,
                 "posix_spawn_file_actions_addopen is unportable - "
                 "use gnulib module posix_spawn_file_actions_addopen for portability");
# endif
#endif

#if @GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE@
/* Add an action to FILE-ACTIONS which tells the implementation to call
   'close' for the given file descriptor during the 'spawn' call.  */
# if @REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   define posix_spawn_file_actions_addclose rpl_posix_spawn_file_actions_addclose
#  endif
_GL_FUNCDECL_RPL (posix_spawn_file_actions_addclose, int,
                  (posix_spawn_file_actions_t *__file_actions, int __fd)
                  __THROW _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (posix_spawn_file_actions_addclose, int,
                  (posix_spawn_file_actions_t *__file_actions, int __fd));
# else
#  if !@HAVE_POSIX_SPAWN@
_GL_FUNCDECL_SYS (posix_spawn_file_actions_addclose, int,
                  (posix_spawn_file_actions_t *__file_actions, int __fd)
                  __THROW _GL_ARG_NONNULL ((1)));
#  endif
_GL_CXXALIAS_SYS (posix_spawn_file_actions_addclose, int,
                  (posix_spawn_file_actions_t *__file_actions, int __fd));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (posix_spawn_file_actions_addclose);
# endif
#elif defined GNULIB_POSIXCHECK
# undef posix_spawn_file_actions_addclose
# if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_ADDCLOSE
_GL_WARN_ON_USE (posix_spawn_file_actions_addclose,
                 "posix_spawn_file_actions_addclose is unportable - "
                 "use gnulib module posix_spawn_file_actions_addclose for portability");
# endif
#endif

#if @GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2@
/* Add an action to FILE-ACTIONS which tells the implementation to call
   'dup2' for the given file descriptors during the 'spawn' call.  */
# if @REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   define posix_spawn_file_actions_adddup2 rpl_posix_spawn_file_actions_adddup2
#  endif
_GL_FUNCDECL_RPL (posix_spawn_file_actions_adddup2, int,
                  (posix_spawn_file_actions_t *__file_actions,
                   int __fd, int __newfd)
                  __THROW _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (posix_spawn_file_actions_adddup2, int,
                  (posix_spawn_file_actions_t *__file_actions,
                   int __fd, int __newfd));
# else
#  if !@HAVE_POSIX_SPAWN@
_GL_FUNCDECL_SYS (posix_spawn_file_actions_adddup2, int,
                  (posix_spawn_file_actions_t *__file_actions,
                   int __fd, int __newfd)
                  __THROW _GL_ARG_NONNULL ((1)));
#  endif
_GL_CXXALIAS_SYS (posix_spawn_file_actions_adddup2, int,
                  (posix_spawn_file_actions_t *__file_actions,
                   int __fd, int __newfd));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (posix_spawn_file_actions_adddup2);
# endif
#elif defined GNULIB_POSIXCHECK
# undef posix_spawn_file_actions_adddup2
# if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_ADDDUP2
_GL_WARN_ON_USE (posix_spawn_file_actions_adddup2,
                 "posix_spawn_file_actions_adddup2 is unportable - "
                 "use gnulib module posix_spawn_file_actions_adddup2 for portability");
# endif
#endif

#if @GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDCHDIR@
/* Add an action to FILE-ACTIONS which tells the implementation to call
   'chdir' to the given directory during the 'spawn' call.  */
# if @REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDCHDIR@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   define posix_spawn_file_actions_addchdir rpl_posix_spawn_file_actions_addchdir
#  endif
_GL_FUNCDECL_RPL (posix_spawn_file_actions_addchdir, int,
                  (posix_spawn_file_actions_t *_Restrict_ __file_actions,
                   const char *_Restrict_ __path)
                  __THROW _GL_ARG_NONNULL ((1, 2)));
_GL_CXXALIAS_RPL (posix_spawn_file_actions_addchdir, int,
                  (posix_spawn_file_actions_t *_Restrict_ __file_actions,
                   const char *_Restrict_ __path));
# else
#  if !@HAVE_POSIX_SPAWN_FILE_ACTIONS_ADDCHDIR@
_GL_FUNCDECL_SYS (posix_spawn_file_actions_addchdir, int,
                  (posix_spawn_file_actions_t *_Restrict_ __file_actions,
                   const char *_Restrict_ __path)
                  __THROW _GL_ARG_NONNULL ((1, 2)));
#  endif
_GL_CXXALIAS_SYS (posix_spawn_file_actions_addchdir, int,
                  (posix_spawn_file_actions_t *_Restrict_ __file_actions,
                   const char *_Restrict_ __path));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (posix_spawn_file_actions_addchdir);
# endif
#elif defined GNULIB_POSIXCHECK
# undef posix_spawn_file_actions_addchdir
# if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_ADDCHDIR
_GL_WARN_ON_USE (posix_spawn_file_actions_addchdir,
                 "posix_spawn_file_actions_addchdir is unportable - "
                 "use gnulib module posix_spawn_file_actions_addchdir for portability");
# endif
#endif

#if @GNULIB_POSIX_SPAWN_FILE_ACTIONS_ADDFCHDIR@
/* Add an action to FILE-ACTIONS which tells the implementation to call
   'fchdir' to the given directory during the 'spawn' call.  */
# if @REPLACE_POSIX_SPAWN_FILE_ACTIONS_ADDFCHDIR@
#  if !(defined __cplusplus && defined GNULIB_NAMESPACE)
#   define posix_spawn_file_actions_addfchdir rpl_posix_spawn_file_actions_addfchdir
#  endif
_GL_FUNCDECL_RPL (posix_spawn_file_actions_addfchdir, int,
                  (posix_spawn_file_actions_t *_Restrict_ __file_actions,
                   int __fd)
                  __THROW _GL_ARG_NONNULL ((1)));
_GL_CXXALIAS_RPL (posix_spawn_file_actions_addfchdir, int,
                  (posix_spawn_file_actions_t *_Restrict_ __file_actions,
                   int __fd));
# else
#  if !@HAVE_POSIX_SPAWN_FILE_ACTIONS_ADDFCHDIR@
_GL_FUNCDECL_SYS (posix_spawn_file_actions_addfchdir, int,
                  (posix_spawn_file_actions_t *_Restrict_ __file_actions,
                   int __fd)
                  __THROW _GL_ARG_NONNULL ((1)));
#  endif
_GL_CXXALIAS_SYS (posix_spawn_file_actions_addfchdir, int,
                  (posix_spawn_file_actions_t *_Restrict_ __file_actions,
                   int __fd));
# endif
# if __GLIBC__ >= 2
_GL_CXXALIASWARN (posix_spawn_file_actions_addfchdir);
# endif
#elif defined GNULIB_POSIXCHECK
# undef posix_spawn_file_actions_addfchdir
# if HAVE_RAW_DECL_POSIX_SPAWN_FILE_ACTIONS_ADDFCHDIR
_GL_WARN_ON_USE (posix_spawn_file_actions_addfchdir,
                 "posix_spawn_file_actions_addfchdir is unportable - "
                 "use gnulib module posix_spawn_file_actions_addfchdir for portability");
# endif
#endif


#endif /* _@GUARD_PREFIX@_SPAWN_H */
#endif /* _@GUARD_PREFIX@_SPAWN_H */
#endif