+#define _GNU_SOURCE
#include <sys/wait.h>
#include <sys/resource.h>
#include "syscall.h"
-pid_t wait4(pid_t, int *, int, struct rusage *);
-
pid_t wait3(int *status, int options, struct rusage *usage)
{
return wait4(-1, status, options, usage);
+#define _GNU_SOURCE
#include <sys/wait.h>
#include <sys/resource.h>
#include <string.h>
pid_t wait4(pid_t pid, int *status, int options, struct rusage *usage)
{
- pid_t ret = syscall4(__NR_wait4, pid, (long)status, options, (long)usage);
- /* Fixup kernel time_t... */
- if (usage) {
- long kusage[4];
- memcpy(kusage, usage, sizeof kusage);
- memmove((struct timeval *)usage + 2, (long *)usage + 4, sizeof *usage - 2*sizeof(struct timeval));
- usage->ru_utime = (struct timeval){ kusage[0], kusage[1] };
- usage->ru_stime = (struct timeval){ kusage[2], kusage[3] };
- }
- return ret;
+ return syscall4(__NR_wait4, pid, (long)status, options, (long)usage);
}