sbase/sleep.c

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/* See LICENSE file for copyright and license details. */
#include <stdlib.h>
#include <unistd.h>
#include "util.h"
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static void
usage(void)
{
eprintf("usage: %s seconds\n", argv0);
}
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int
main(int argc, char *argv[])
{
unsigned int seconds;
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ARGBEGIN {
default:
usage();
} ARGEND;
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if(argc < 1)
usage();
seconds = estrtol(argv[0], 0);
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while((seconds = sleep(seconds)) > 0)
;
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return 0;
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}