diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/wait.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/wait.c | 48 |
1 files changed, 47 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/wait.c b/sysdeps/unix/sysv/linux/wait.c index 79d54580fd..f01d75cc38 100644 --- a/sysdeps/unix/sysv/linux/wait.c +++ b/sysdeps/unix/sysv/linux/wait.c @@ -1 +1,47 @@ -#include <sysdeps/unix/bsd/bsd4.4/wait.c> +/* Copyright (C) 1991, 1995, 1996, 1997, 2002 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, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <sys/wait.h> +#include <errno.h> +#include <sys/resource.h> +#include <stddef.h> +#include <sysdep-cancel.h> +#include <nptl/pthreadP.h> +#include <tls.h> + +/* 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. */ +__pid_t +__libc_wait (__WAIT_STATUS_DEFN stat_loc) +{ + if (SINGLE_THREAD_P) + return INLINE_SYSCALL (wait4, 4, WAIT_ANY, stat_loc, 0, + (struct rusage *) NULL); + + int oldtype = LIBC_CANCEL_ASYNC (); + + int result = INLINE_SYSCALL (wait4, 4, WAIT_ANY, stat_loc, 0, + (struct rusage *) NULL); + + LIBC_CANCEL_RESET (oldtype); + + return result; +} + +weak_alias (__libc_wait, __wait) +weak_alias (__libc_wait, wait) |