ref: bb1a24b22e7fea0d39af635dd28dc7f9d2ebbae6
dir: /sys/src/ape/lib/ap/plan9/_nap.c/
#include "lib.h"
#include <unistd.h>
#include <time.h>
#include "sys9.h"
/*
* This is an extension to POSIX
*/
unsigned int
_nap(unsigned int millisecs)
{
time_t t0, t1;
t0 = time(0);
if(_SLEEP(millisecs) < 0){
t1 = time(0);
return t1-t0;
}
return 0;
}