xref: /plan9-contrib/sys/src/ape/lib/ap/plan9/_nap.c (revision 3e12c5d1bb89fc02707907988834ef147769ddaf)
1 #include "lib.h"
2 #include <unistd.h>
3 #include <time.h>
4 #include "sys9.h"
5 
6 /*
7  * This is an extension to POSIX
8  */
9 unsigned int
_nap(unsigned int millisecs)10 _nap(unsigned int millisecs)
11 {
12 	time_t t0, t1;
13 
14 	t0 = time(0);
15 	if(_SLEEP(millisecs) < 0){
16 		t1 = time(0);
17 		return t1-t0;
18 	}
19 	return 0;
20 }
21