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); +} -- cgit v1.2.3