From fb3348128ebf333d31ab26fe3a65f78031492f82 Mon Sep 17 00:00:00 2001
From: Ali Mashtizadeh <mashti@uwaterloo.ca>
Date: Mon, 2 Oct 2023 19:34:24 -0400
Subject: [PATCH] Add sys/wait.h

---
 sys/include/wait.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)
 create mode 100644 sys/include/wait.h

diff --git a/sys/include/wait.h b/sys/include/wait.h
new file mode 100644
index 0000000..8c1c6bf
--- /dev/null
+++ b/sys/include/wait.h
@@ -0,0 +1,20 @@
+
+#ifndef __SYS_WAIT_H__
+#define __SYS_WAIT_H__
+
+#include <sys/cdefs.h>
+
+/* Extract the status code from the process */
+#define WEXITSTATUS(_x)	(_x & 0x000000ff)
+#define WGETPID(_x)	((pid_t)(_x >> 16))
+
+/* Flags to waitpid  */
+#define WAIT_ANY	0
+
+#ifndef _KERNEL
+pid_t wait(int *status);
+pid_t waitpid(pid_t pid, int *status, int options);
+#endif
+
+#endif /* __SYS_WAIT_H__ */
+