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-rw-r--r--src/linux/wait3.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/linux/wait3.c b/src/linux/wait3.c
index d1d91b05..61c73594 100644
--- a/src/linux/wait3.c
+++ b/src/linux/wait3.c
@@ -1,9 +1,8 @@
+#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);