/usr/include/x86_64-linux-gnu/sys/wait.h is in libc6-dev 2.23-0ubuntu10.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 | /* Copyright (C) 1991-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library 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.
The GNU C Library 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 the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
/*
* POSIX Standard: 3.2.1 Wait for Process Termination <sys/wait.h>
*/
#ifndef _SYS_WAIT_H
#define _SYS_WAIT_H 1
#include <features.h>
__BEGIN_DECLS
#include <signal.h>
/* These macros could also be defined in <stdlib.h>. */
#if !defined _STDLIB_H || (!defined __USE_XOPEN && !defined __USE_XOPEN2K8)
/* This will define the `W*' macros for the flag
bits to `waitpid', `wait3', and `wait4'. */
# include <bits/waitflags.h>
# ifdef __USE_MISC
/* Lots of hair to allow traditional BSD use of `union wait'
as well as POSIX.1 use of `int' for the status word. */
# if defined __GNUC__ && !defined __cplusplus
# define __WAIT_INT(status) \
(__extension__ (((union { __typeof(status) __in; int __i; }) \
{ .__in = (status) }).__i))
# else
# define __WAIT_INT(status) (*(const int *) &(status))
# endif
/* This is the type of the argument to `wait'. The funky union
causes redeclarations with either `int *' or `union wait *' to be
allowed without complaint. __WAIT_STATUS_DEFN is the type used in
the actual function definitions. */
# if !defined __GNUC__ || __GNUC__ < 2 || defined __cplusplus
# define __WAIT_STATUS void *
# define __WAIT_STATUS_DEFN void *
# else
/* This works in GCC 2.6.1 and later. */
typedef union
{
union wait *__uptr;
int *__iptr;
} __WAIT_STATUS __attribute__ ((__transparent_union__));
# define __WAIT_STATUS_DEFN int *
# endif
# else /* Don't use misc. */
# define __WAIT_INT(status) (status)
# define __WAIT_STATUS int *
# define __WAIT_STATUS_DEFN int *
# endif /* Use misc. */
/* This will define all the `__W*' macros. */
# include <bits/waitstatus.h>
# define WEXITSTATUS(status) __WEXITSTATUS (__WAIT_INT (status))
# define WTERMSIG(status) __WTERMSIG (__WAIT_INT (status))
# define WSTOPSIG(status) __WSTOPSIG (__WAIT_INT (status))
# define WIFEXITED(status) __WIFEXITED (__WAIT_INT (status))
# define WIFSIGNALED(status) __WIFSIGNALED (__WAIT_INT (status))
# define WIFSTOPPED(status) __WIFSTOPPED (__WAIT_INT (status))
# ifdef __WIFCONTINUED
# define WIFCONTINUED(status) __WIFCONTINUED (__WAIT_INT (status))
# endif
#endif /* <stdlib.h> not included. */
#ifdef __USE_MISC
# define WCOREFLAG __WCOREFLAG
# define WCOREDUMP(status) __WCOREDUMP (__WAIT_INT (status))
# define W_EXITCODE(ret, sig) __W_EXITCODE (ret, sig)
# define W_STOPCODE(sig) __W_STOPCODE (sig)
#endif
/* Wait for a child to die. When one does, put its status in *STAT_LOC
and return its process ID. For errors, return (pid_t) -1.
This function is a cancellation point and therefore not marked with
__THROW. */
extern __pid_t wait (__WAIT_STATUS __stat_loc);
#ifdef __USE_MISC
/* Special values for the PID argument to `waitpid' and `wait4'. */
# define WAIT_ANY (-1) /* Any process. */
# define WAIT_MYPGRP 0 /* Any process in my process group. */
#endif
/* Wait for a child matching PID to die.
If PID is greater than 0, match any process whose process ID is PID.
If PID is (pid_t) -1, match any process.
If PID is (pid_t) 0, match any process with the
same process group as the current process.
If PID is less than -1, match any process whose
process group is the absolute value of PID.
If the WNOHANG bit is set in OPTIONS, and that child
is not already dead, return (pid_t) 0. If successful,
return PID and store the dead child's status in STAT_LOC.
Return (pid_t) -1 for errors. If the WUNTRACED bit is
set in OPTIONS, return status for stopped children; otherwise don't.
This function is a cancellation point and therefore not marked with
__THROW. */
extern __pid_t waitpid (__pid_t __pid, int *__stat_loc, int __options);
#if defined __USE_XOPEN || defined __USE_XOPEN2K8
# ifndef __id_t_defined
# include <bits/types.h>
typedef __id_t id_t;
# define __id_t_defined
# endif
# define __need_siginfo_t
# include <bits/siginfo.h>
/* Wait for a childing matching IDTYPE and ID to change the status and
place appropriate information in *INFOP.
If IDTYPE is P_PID, match any process whose process ID is ID.
If IDTYPE is P_PGID, match any process whose process group is ID.
If IDTYPE is P_ALL, match any process.
If the WNOHANG bit is set in OPTIONS, and that child
is not already dead, clear *INFOP and return 0. If successful, store
exit code and status in *INFOP.
This function is a cancellation point and therefore not marked with
__THROW. */
extern int waitid (idtype_t __idtype, __id_t __id, siginfo_t *__infop,
int __options);
#endif
#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED
/* This being here makes the prototypes valid whether or not
we have already included <sys/resource.h> to define `struct rusage'. */
struct rusage;
/* Wait for a child to exit. When one does, put its status in *STAT_LOC and
return its process ID. For errors return (pid_t) -1. If USAGE is not
nil, store information about the child's resource usage there. If the
WUNTRACED bit is set in OPTIONS, return status for stopped children;
otherwise don't. */
extern __pid_t wait3 (__WAIT_STATUS __stat_loc, int __options,
struct rusage * __usage) __THROWNL;
#endif
#ifdef __USE_MISC
/* PID is like waitpid. Other args are like wait3. */
extern __pid_t wait4 (__pid_t __pid, __WAIT_STATUS __stat_loc, int __options,
struct rusage *__usage) __THROWNL;
#endif /* Use misc. */
__END_DECLS
#endif /* sys/wait.h */
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