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authorMole Shang <[email protected]>2024-02-13 19:39:56 +0800
committerMole Shang <[email protected]>2024-02-13 19:39:56 +0800
commit89ef6f717ed4b3e702e5f6f906f58fe1ea27d366 (patch)
tree760cce316675479a6cca77551438e8d2cc5fe9ae /user/sleep.c
parentcfae93475dfb4cb5cfe264f4c029136e1447c262 (diff)
parent4a6593f1a6f666c618d303a4858c4c6d31b41c63 (diff)
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Merge branch 'cow' into net
Conflicts: .gitignore Makefile conf/lab.mk kernel/defs.h kernel/syscall.c kernel/vm.c user/pingpong.c user/user.h user/usys.pl
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);
+}