20 lines
408 B
C
20 lines
408 B
C
#include "kernel/include/types.h"
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#include "kernel/include/stat.h"
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#include "xv6-user/user.h"
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int
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main(int argc, char *argv[])
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{
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if (argc <= 1) {
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fprintf(2, "Usage: sleep TIME\n");
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exit(1);
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}
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int time = atoi(argv[1]);
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if (time == 0) {
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fprintf(2, "Usage: sleep TIME\nTIME should be an integer larger than 0.\n");
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exit(1);
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}
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sleep(time);
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exit(0);
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}
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