morpheus-base

morpheus base system
git clone git://git.2f30.org/morpheus-base
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sleep.c (407B)

      1 /* See LICENSE file for copyright and license details. */
      2 #include <stdlib.h>
      3 #include <unistd.h>
      4 
      5 #include "util.h"
      6 
      7 static void
      8 usage(void)
      9 {
     10 	eprintf("usage: %s seconds\n", argv0);
     11 }
     12 
     13 int
     14 main(int argc, char *argv[])
     15 {
     16 	unsigned int seconds;
     17 
     18 	ARGBEGIN {
     19 	default:
     20 		usage();
     21 	} ARGEND;
     22 
     23 	if (argc < 1)
     24 		usage();
     25 
     26 	seconds = estrtol(argv[0], 0);
     27 	while ((seconds = sleep(seconds)) > 0)
     28 		;
     29 	return 0;
     30 }