|  | /* 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 <ros/syscall.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 ros_syscall(SYS_waitpid, pid, stat_loc, options, 0, 0, 0); | 
|  | } | 
|  | weak_alias (__libc_waitpid, __waitpid) | 
|  | libc_hidden_weak (__waitpid) | 
|  | weak_alias (__libc_waitpid, waitpid) |