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glibc  2.9
wait3.c
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00001 /* Copyright (C) 1991, 1992, 1993, 1995, 1997 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #include <errno.h>
00020 #include <sys/wait.h>
00021 #include <sys/types.h>
00022 
00023 /* Wait for a child to exit.  When one does, put its status in *STAT_LOC and
00024    return its process ID.  For errors return (pid_t) -1.  If USAGE is not nil,
00025    store information about the child's resource usage (as a `struct rusage')
00026    there.  If the WUNTRACED bit is set in OPTIONS, return status for stopped
00027    children; otherwise don't.  */
00028 pid_t
00029 __wait3 (stat_loc, options, usage)
00030      __WAIT_STATUS stat_loc;
00031      int options;
00032      struct rusage *usage;
00033 {
00034   return __wait4 (WAIT_ANY, stat_loc, options, usage);
00035 }
00036 
00037 weak_alias (__wait3, wait3)