1 #define _GNU_SOURCE
2 #include <sys/wait.h>
3 #include <sys/resource.h>
4 #include "syscall.h"
5 
wait4(pid_t pid,int * status,int options,struct rusage * usage)6 pid_t wait4(pid_t pid, int *status, int options, struct rusage *usage)
7 {
8 	return syscall(SYS_wait4, pid, status, options, usage);
9 }
10