A little update to wait* and a minor syscall cleanup.

1 files changed, 8 insertions, 2 deletions

diff --git a/libc/sysdeps/linux/common/wait3.c b/libc/sysdeps/linux/common/wait3.c
index 7448b6294..6a8bc77fc 100644
--- a/libc/sysdeps/linux/common/wait3.c
+++ b/libc/sysdeps/linux/common/wait3.c
@@ -3,7 +3,13 @@
 #include <sys/wait.h>
 #include <sys/resource.h>
 
-__pid_t wait3(__WAIT_STATUS wait_stat, int options, struct rusage *reserved)
+
+/* Wait for a child to exit.  When one does, put its status in *STAT_LOC and
+ * return its process ID.  For errors return (pid_t) -1.  If USAGE is not nil,
+ * store information about the child's resource usage (as a `struct rusage')
+ * there.  If the WUNTRACED bit is set in OPTIONS, return status for stopped
+ * children; otherwise don't.  */
+pid_t wait3 (__WAIT_STATUS stat_loc, int options, struct rusage * usage)
 {
-	return wait4((-1) /* WAIT_ANY*/, wait_stat, options, reserved);
+      return wait4 (WAIT_ANY, stat_loc, options, usage);
 }