add linux sync_file_range syscall

[musl] / src / linux / wait4.c

diff --git a/src/linux/wait4.c b/src/linux/wait4.c
index dda942d..b3ae75e 100644 (file)
--- a/src/linux/wait4.c
+++ b/src/linux/wait4.c
@@ -1,19 +1,10 @@
+#define _GNU_SOURCE
 #include <sys/wait.h>
 #include <sys/resource.h>
 #include <string.h>
-#define SYSCALL_STANDALONE
 #include "syscall.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 syscall(SYS_wait4, pid, status, options, usage);
 }