From 0d6a64fa06ce6aae729fa05a539eadd88fa59007 Mon Sep 17 00:00:00 2001
From: Mole Shang <135e2@135e2.dev>
Date: Wed, 17 Jan 2024 11:33:39 +0800
Subject: lab util: finish

---
 user/sleep.c | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)
 create mode 100644 user/sleep.c

(limited to 'user/sleep.c')

diff --git a/user/sleep.c b/user/sleep.c
new file mode 100644
index 0000000..961f558
--- /dev/null
+++ b/user/sleep.c
@@ -0,0 +1,22 @@
+#include "kernel/types.h"
+#include "user/user.h"
+
+int
+main(int argc, char* argv[])
+{
+  uint sec = 0;
+
+  if (argc <= 1) {
+    fprintf(2, "usage: sleep [time (ticks)]\n");
+    exit(1);
+  }
+  sec = atoi(argv[1]);
+
+  sleep(sec);
+
+  if (argc <= 2) {
+    exit(0);
+  }
+
+  exit(0);
+}
-- 
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