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author | Mole Shang <[email protected]> | 2024-01-17 11:33:39 +0800 |
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committer | Mole Shang <[email protected]> | 2024-01-18 14:25:09 +0800 |
commit | 33ca12a4653752d179e6296c7ca2f91a626d30f3 (patch) | |
tree | 819af498462a8a0f725c408c08aa0dae53f6f07b /user/sleep.c | |
parent | e6ef31e4b30af1f30a4d1385971df602a8446cac (diff) | |
download | xv6-labs-33ca12a4653752d179e6296c7ca2f91a626d30f3.tar.gz xv6-labs-33ca12a4653752d179e6296c7ca2f91a626d30f3.tar.bz2 xv6-labs-33ca12a4653752d179e6296c7ca2f91a626d30f3.zip |
lab util: finish
Diffstat (limited to 'user/sleep.c')
-rw-r--r-- | user/sleep.c | 22 |
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); +} |