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glibc/posix/sys/wait.h
Ulrich Drepper e918a7feeb Update. 
1998-07-09 13:34  Ulrich Drepper  <drepper@cygnus.com>

	* grp/grp.h: Define gid_t also for __USE_XOPEN.
	* io/fcntl.h: Include <sys/stat.h> also for __USE_XOPEN.
	* io/utime.h: Define time_t also for __USE_XOPEN.
	* io/sys/stat.h: Define time_t also for __USE_XOPEN.
	Define *_t types except for pid_t also for __USE_XOPEN.
	Define S_* macros also for __USE_XOPEN.
	* locale/langinfo.h: Define CODESET, CRNCYSTR, RADIXCHAR, and
	THOUSEP also for __USE_XOPEN.
	* math/math.c: Define M_* macros also for __USE_XOPEN.
	* math/bits/mathcalls.h: Declare hypot also for __USE_XOPEN.
	* posix/fnmatch.h: Define FNM_NOSYS and for if _XOPEN_SOURCE is
	defined.
	* posix/glob.h: Likewise for GLOB_NOSYS.
	* posix/regex.h: Likewise for REG_NOSYS.
	* posix/wordexp.h: Likewise for WRDE_NOSYS.
	* posix/unistd.h: Define *_t types also for __USE_XOPEN.
	* posix/sys/wait.h: Define pid_t for __USE_XOPEN.
	* pwd/pwd.h: Define gid_t and pid_t also for __USE_XOPEN.
	* signal/signal.h: Define pid_t also fir __USE_XOPEN.
	* sysdeps/unix/sysv/linux/bits/fcntl.h: Define _RSYNC and O_DSYNC also
	for __USE_POSIX199309.
	* sysdeps/unix/sysv/linux/bits/termios.h: Define the various B*
	constants also for __USE_XOPEN.
	* wcsmbs/wchar.h: For XPG4 include wctype.h.

	* intl/dcgettext.c (find_msg): Initialize act to prevent warning.
	* locale/setlocale.c (new_composite_name): Likewise for last_len.

	* libio/stdio.h: Don't declare fclose_unlocked.

	* sysdeps/posix/fpathconf.c: Handle _PC_FILESIZEBITS.

1998-07-08  Mark Kettenis  <kettenis@phys.uva.nl>

	* stdio/stdio.h: Add prototypes for fflush_unlocked,
	getc_unlocked, getchar_unlocked, putc_unlocked, putchar_unlocked,
	fgets_unlocked, fread_unlocked, fwrite_unlocked,
	clearerr_unlocked, feof_unlocked, ferror_unlocked,
	fileno_unlocked, flockfile, ftrylockfile, funlockfile.
	[__USE_XOPEN && !__USE_GNU] Declare optarg, optind, opterr.  Add
	prototype for getopt.
	* stdio/clearerr.c (clearerr_unlocked): Weak alias for clearerr.
	* stdio/feof.c (feof_unlocked): Weak alias for feof.
	* stdio/ferror.c (ferror_unlocked): Weak alias for ferror.
	* stdio/fflush.c (fflush_unlocked): Weak alias for fflush.
	* stdio/fgets.c (fgets_unlocked): Weak alias for fgets.
	* stdio/fileno.c (fileno_unlocked): Weak alias for fileno.
	* stdio/fputc.c (fputc_unlocked): Weak alias for fputc.
	* stdio/fread.c (fread_unlocked): Weak alias for fread.
	* stdio/fwrite.c (fwrite_unlocked): Weak alias for fwrite.
	* stdio/getc.c (getchar_unlocked): Weak alias for getc.
	* stdio/getchar.c (getchar_unlocked): Weak alias for getchar.
	* stdio/putc.c (putc_unlocked): Weak alias for putc.
	* stdio/putchar.c (putchar_unlocked): Weak alias for putchar.
	* stdio/Versions [GLIBC_2.1]: Add clearerr_unlocked,
	feof_unlocked, ferror_unlocked, fflush_unlocked, fgets_unlocked,
	fileno_unlocked, fputc_unlocked, fread_unlocked, fwrite_unlocked,
	getc_unlocked, getchar_unlocked, putc_unlocked and
	putchar_unlocked.

	* libio/Versions: Move flockfile, ftrylockfile and funlockfile
	from here ...
	* stdio-common/Versions: ... to here.

1998-07-09  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* Makerules (versioning): Correct typo.
1998-07-09 13:58:47 +00:00

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/* Copyright (C) 1991, 92, 93, 94, 96, 97, 98 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
/*
* 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 <bits/types.h>
#if defined __USE_XOPEN && !defined pid_t
typedef __pid_t pid_t;
# define pid_t pid_t
#endif
/* This will define the `W*' macros for the flag
bits to `waitpid', `wait3', and `wait4'. */
#include <bits/waitflags.h>
#ifdef __USE_BSD
/* 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; } __u; \
__u.__in = (status); __u.__i; }))
# else
# define __WAIT_INT(status) (*(int *) &(status))
# endif
/* This is the type of the argument to `wait'. The funky union
causes redeclarations with ether `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 __ptr_t
# define __WAIT_STATUS_DEFN __ptr_t
# 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 BSD. */
# define __WAIT_INT(status) (status)
# define __WAIT_STATUS int *
# define __WAIT_STATUS_DEFN int *
#endif /* Use BSD. */
/* 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 __USE_BSD
# 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
/* The following values are used by the `waitid' function. */
#if defined __USE_SVID || defined __USE_XOPEN
typedef enum
{
P_ALL, /* Wait for any child. */
P_PID, /* Wait for specified process. */
P_PGID /* Wait for members of process group. */
} idtype_t;
#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. */
extern __pid_t __wait __P ((__WAIT_STATUS __stat_loc));
extern __pid_t wait __P ((__WAIT_STATUS __stat_loc));
#ifdef __USE_BSD
/* 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. */
extern __pid_t __waitpid __P ((__pid_t __pid, int *__stat_loc,
int __options));
extern __pid_t waitpid __P ((__pid_t __pid, int *__stat_loc,
int __options));
#if defined __USE_SVID || defined __USE_XOPEN
# 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. */
extern int waitid __P ((idtype_t __idtype, __id_t __id, siginfo_t *__infop,
int __options));
#endif
#if defined __USE_BSD || 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 __P ((__WAIT_STATUS __stat_loc,
int __options, struct rusage * __usage));
extern __pid_t wait3 __P ((__WAIT_STATUS __stat_loc,
int __options, struct rusage * __usage));
#endif
#ifdef __USE_BSD
/* This being here makes the prototypes valid whether or not
we have already included <sys/resource.h> to define `struct rusage'. */
struct rusage;
/* PID is like waitpid. Other args are like wait3. */
extern __pid_t __wait4 __P ((__pid_t __pid, __WAIT_STATUS __stat_loc,
int __options, struct rusage *__usage));
extern __pid_t wait4 __P ((__pid_t __pid, __WAIT_STATUS __stat_loc,
int __options, struct rusage *__usage));
#endif /* Use BSD. */
__END_DECLS
#endif /* sys/wait.h */
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