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-rw-r--r--include/sys/wait.h97
1 files changed, 47 insertions, 50 deletions
diff --git a/include/sys/wait.h b/include/sys/wait.h
index 2ba604de6..03ac5fe35 100644
--- a/include/sys/wait.h
+++ b/include/sys/wait.h
@@ -1,20 +1,20 @@
-/* Copyright (C) 1991, 92, 93, 94, 96, 97, 98 Free Software Foundation, Inc.
+/* Copyright (C) 1991-1994,96,97,98,99,2000,2001 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.
+ 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
- Library General Public License for more details.
+ Lesser 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. */
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; 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>
@@ -27,65 +27,64 @@
__BEGIN_DECLS
-#include <bits/types.h>
-
-#if defined __USE_XOPEN && !defined pid_t
-typedef __pid_t pid_t;
-# define pid_t pid_t
-#endif
+#include <signal.h>
+#include <sys/resource.h>
+/* These macros could also be defined int <stdlib.h>. */
+#if !defined _STDLIB_H || !defined __USE_XOPEN
/* This will define the `W*' macros for the flag
bits to `waitpid', `wait3', and `wait4'. */
-#include <bits/waitflags.h>
+# include <bits/waitflags.h>
-#ifdef __USE_BSD
+# 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) \
+# 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
+# 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
+# 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
+# define __WAIT_STATUS_DEFN int *
+# endif
-#else /* Don't use BSD. */
+# else /* Don't use BSD. */
-# define __WAIT_INT(status) (status)
-# define __WAIT_STATUS int *
-# define __WAIT_STATUS_DEFN int *
+# define __WAIT_INT(status) (status)
+# define __WAIT_STATUS int *
+# define __WAIT_STATUS_DEFN int *
-#endif /* Use BSD. */
+# endif /* Use BSD. */
/* This will define all the `__W*' macros. */
-#include <bits/waitstatus.h>
+# 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))
+# 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))
+#endif /* <stdlib.h> not included. */
#ifdef __USE_BSD
# define WCOREFLAG __WCOREFLAG
@@ -107,8 +106,7 @@ typedef enum
/* 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));
+extern __pid_t wait (__WAIT_STATUS __stat_loc) __THROW;
#ifdef __USE_BSD
/* Special values for the PID argument to `waitpid' and `wait4'. */
@@ -128,8 +126,7 @@ extern __pid_t wait __P ((__WAIT_STATUS __stat_loc));
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 (__pid_t __pid, int *__stat_loc, int __options) __THROW;
#if defined __USE_SVID || defined __USE_XOPEN
# define __need_siginfo_t
@@ -142,8 +139,8 @@ extern __pid_t waitpid __P ((__pid_t __pid, int *__stat_loc,
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));
+extern int waitid (idtype_t __idtype, __id_t __id, siginfo_t *__infop,
+ int __options) __THROW;
#endif
#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
@@ -156,8 +153,8 @@ struct rusage;
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 (__WAIT_STATUS __stat_loc, int __options,
+ struct rusage * __usage) __THROW;
#endif
#ifdef __USE_BSD
@@ -166,8 +163,8 @@ extern __pid_t wait3 __P ((__WAIT_STATUS __stat_loc,
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 (__pid_t __pid, __WAIT_STATUS __stat_loc, int __options,
+ struct rusage *__usage) __THROW;
#endif /* Use BSD. */