| /* Copyright (C) 1991,95,96,97,2002 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 <errno.h> |
| #include <sys/wait.h> |
| #include <sys/types.h> |
| #include <stddef.h> |
| |
| /* 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. */ |
| pid_t |
| __libc_waitpid (pid_t pid, int *stat_loc, int options) |
| { |
| return __wait4 (pid, (union wait *) stat_loc, options, NULL); |
| } |
| |
| weak_alias (__libc_waitpid, __waitpid) |
| libc_hidden_weak (__waitpid) |
| weak_alias (__libc_waitpid, waitpid) |
