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authorMole Shang <[email protected]>2024-02-17 11:55:33 +0800
committerMole Shang <[email protected]>2024-02-17 12:22:07 +0800
commite8e0a7b4c97064eb5e9415726d7e38aaceccd3fd (patch)
treefb42ba5be7a8ae608b968266f62fd71fa889a89d /user/sleep.c
parenta6af72924b115c1177d18d9b1eaba56623e4248b (diff)
parentd85aec2689c4250d0384904bdc11aa618c726bec (diff)
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Merge branch 'thread' into fs
Conflicts: .gitignore Makefile conf/lab.mk kernel/param.h
Diffstat (limited to 'user/sleep.c')
-rw-r--r--user/sleep.c22
1 files changed, 22 insertions, 0 deletions
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);
+}