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b0d20a87b5
* Makerules (no-whole-archive): Test $(have-no-whole-archive), not $(libc_cv_ld_no_whole_archive). Sat Apr 20 17:07:17 1996 Ulrich Drepper <drepper@cygnus.com> * assert/assert.h, ctype/ctype.h, dirent/dirent.h, errno.h, grp/grp.h, io/fcntl.h, io/sys/stat.h, io/utime.h, locale/locale.h, math/math.h, misc/nlist.h, misc/sgtty.h, misc/sys/file.h, misc/sys/ioctl.h, misc/sys/uio.h, posix/sys/times.h, posix/sys/types.h, posix/sys/utsname.h, posix/sys/wait.h, posix/tar.h, posix/wordexp.h, pwd/pwd.h, resource/sys/vlimit.h, resource/sys/vtimes.h, setjmp/setjmp.h, signal/signal.h, stdio-common/printf.h, stdlib/alloca.h, stdlib/stdlib.h, string/string.h, sysdeps/generic/sigaction.h, sysdeps/generic/sigset.h, sysdeps/generic/sys/ptrace.h, sysdeps/generic/sys/ptrace.h, sysdeps/unix/bsd/osf/sigaction.h, sysdeps/unix/sysv/linux/sys/ptrace.h, sysdeps/unix/sysv/minix/sigaction.h, sysdeps/unix/sysv/sco3.2.4/sigaction.h, sysdeps/unix/sysv/sysv4/sigaction.h, sysdeps/unix/sysv/sysv4/sigset.h, termios/termios.h, time/sys/time.h, time/time.h: Fix copyright comment. * sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): If uids and gids are not given in stack aux vector, fetch them with syscalls.
152 lines
5.2 KiB
C
152 lines
5.2 KiB
C
/* Copyright (C) 1991, 92, 93, 94, 96 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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/*
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* POSIX Standard: 3.2.1 Wait for Process Termination <sys/wait.h>
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*/
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#ifndef _SYS_WAIT_H
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#define _SYS_WAIT_H 1
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#include <features.h>
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__BEGIN_DECLS
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#include <gnu/types.h>
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/* This will define the `W*' macros for the flag
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bits to `waitpid', `wait3', and `wait4'. */
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#include <waitflags.h>
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#ifdef __USE_BSD
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/* Lots of hair to allow traditional BSD use of `union wait'
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as well as POSIX.1 use of `int' for the status word. */
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#ifdef __GNUC__
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#define __WAIT_INT(status) \
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(__extension__ ({ union { __typeof(status) __in; int __i; } __u; \
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__u.__in = (status); __u.__i; }))
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#else
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#define __WAIT_INT(status) (*(int *) &(status))
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#endif
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/* This is the type of the argument to `wait'.
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NOTE: Since this functionality is volatile, I'm disabling the use of it for
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now.
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With GCC 2.6.1 and later, the funky union causes redeclarations with either
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`int *' or `union wait *' to be allowed without complaint.
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__WAIT_STATUS_DEFN is the type used in the actual function
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definitions. */
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#if (!defined (__GNUC__) || __GNUC__ < 2 || \
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/*(__GNUC__ == 2 && __GNUC_MINOR__ < 6)*/ 1)
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#define __WAIT_STATUS __ptr_t
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#define __WAIT_STATUS_DEFN __ptr_t
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#else
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/* This works in GCC 2.6.1 and later. */
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typedef union
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{
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union wait *__uptr;
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int *__iptr;
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} __WAIT_STATUS __attribute__ ((transparent_union));
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#define __WAIT_STATUS_DEFN int *
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#endif
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#else /* Don't use BSD. */
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#define __WAIT_INT(status) (status)
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#define __WAIT_STATUS int *
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#define __WAIT_STATUS_DEFN int *
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#endif /* Use BSD. */
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/* This will define all the `__W*' macros. */
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#include <waitstatus.h>
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#define WEXITSTATUS(status) __WEXITSTATUS(__WAIT_INT(status))
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#define WTERMSIG(status) __WTERMSIG(__WAIT_INT(status))
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#define WSTOPSIG(status) __WSTOPSIG(__WAIT_INT(status))
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#define WIFEXITED(status) __WIFEXITED(__WAIT_INT(status))
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#define WIFSIGNALED(status) __WIFSIGNALED(__WAIT_INT(status))
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#define WIFSTOPPED(status) __WIFSTOPPED(__WAIT_INT(status))
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#ifdef __USE_BSD
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#define WCOREFLAG __WCOREFLAG
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#define WCOREDUMP(status) __WCOREDUMP(__WAIT_INT(status))
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#define W_EXITCODE(ret, sig) __W_EXITCODE(ret, sig)
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#define W_STOPCODE(sig) __W_STOPCODE(sig)
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#endif
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/* Wait for a child to die. When one does, put its status in *STAT_LOC
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and return its process ID. For errors, return (pid_t) -1. */
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extern __pid_t __wait __P ((__WAIT_STATUS __stat_loc));
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extern __pid_t wait __P ((__WAIT_STATUS __stat_loc));
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#ifdef __USE_BSD
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/* Special values for the PID argument to `waitpid' and `wait4'. */
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#define WAIT_ANY (-1) /* Any process. */
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#define WAIT_MYPGRP 0 /* Any process in my process group. */
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#endif
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/* Wait for a child matching PID to die.
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If PID is greater than 0, match any process whose process ID is PID.
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If PID is (pid_t) -1, match any process.
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If PID is (pid_t) 0, match any process with the
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same process group as the current process.
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If PID is less than -1, match any process whose
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process group is the absolute value of PID.
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If the WNOHANG bit is set in OPTIONS, and that child
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is not already dead, return (pid_t) 0. If successful,
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return PID and store the dead child's status in STAT_LOC.
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Return (pid_t) -1 for errors. If the WUNTRACED bit is
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set in OPTIONS, return status for stopped children; otherwise don't. */
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extern __pid_t __waitpid __P ((__pid_t __pid, int *__stat_loc,
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int __options));
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extern __pid_t waitpid __P ((__pid_t __pid, int *__stat_loc,
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int __options));
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#ifdef __USE_BSD
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/* This being here makes the prototypes valid whether or not
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we have already included <sys/resource.h> to define `struct rusage'. */
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struct rusage;
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/* Wait for a child to exit. When one does, put its status in *STAT_LOC and
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return its process ID. For errors return (pid_t) -1. If USAGE is not
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nil, store information about the child's resource usage there. If the
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WUNTRACED bit is set in OPTIONS, return status for stopped children;
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otherwise don't. */
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extern __pid_t __wait3 __P ((__WAIT_STATUS __stat_loc,
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int __options, struct rusage * __usage));
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extern __pid_t wait3 __P ((__WAIT_STATUS __stat_loc,
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int __options, struct rusage * __usage));
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/* PID is like waitpid. Other args are like wait3. */
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extern __pid_t __wait4 __P ((__pid_t __pid, __WAIT_STATUS __stat_loc,
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int __options, struct rusage *__usage));
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extern __pid_t wait4 __P ((__pid_t __pid, __WAIT_STATUS __stat_loc,
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int __options, struct rusage *__usage));
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#endif /* Use BSD. */
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__END_DECLS
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#endif /* sys/wait.h */
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