1 fd04aace 2003-11-23 devnull #include <u.h>
 2 fd04aace 2003-11-23 devnull #define NOPLAN9DEFINES
 3 fd04aace 2003-11-23 devnull #include <sys/time.h>
 4 fd04aace 2003-11-23 devnull #include <sched.h>
 5 04084d4e 2005-07-21 devnull #include <libc.h>
 6 fd04aace 2003-11-23 devnull 
 7 fd04aace 2003-11-23 devnull int
 8 fd04aace 2003-11-23 devnull p9sleep(long milli)
 9 fd04aace 2003-11-23 devnull {
10 fd04aace 2003-11-23 devnull 	struct timeval tv;
11 fd04aace 2003-11-23 devnull 
12 fd04aace 2003-11-23 devnull 	if(milli == 0){
13 fd04aace 2003-11-23 devnull 		sched_yield();
14 fd04aace 2003-11-23 devnull 		return 0;
15 fd04aace 2003-11-23 devnull 	}
16 fd04aace 2003-11-23 devnull 
17 fd04aace 2003-11-23 devnull 	tv.tv_sec = milli/1000;
18 fd04aace 2003-11-23 devnull 	tv.tv_usec = (milli%1000)*1000;
19 fd04aace 2003-11-23 devnull 	return select(0, 0, 0, 0, &tv);
20 fd04aace 2003-11-23 devnull }
21 fd04aace 2003-11-23 devnull 
22 fd04aace 2003-11-23 devnull long
23 fd04aace 2003-11-23 devnull p9alarm(ulong milli)
24 fd04aace 2003-11-23 devnull {
25 fd04aace 2003-11-23 devnull 	struct itimerval itv;
26 fd04aace 2003-11-23 devnull 	struct itimerval oitv;
27 fd04aace 2003-11-23 devnull 
28 fd04aace 2003-11-23 devnull 	itv.it_interval.tv_sec = 0;
29 fd04aace 2003-11-23 devnull 	itv.it_interval.tv_usec = 0;
30 fd04aace 2003-11-23 devnull 	itv.it_value.tv_sec = milli/1000;
31 fd04aace 2003-11-23 devnull 	itv.it_value.tv_usec = (milli%1000)*1000;
32 fd04aace 2003-11-23 devnull 	if(setitimer(ITIMER_REAL, &itv, &oitv) < 0)
33 fd04aace 2003-11-23 devnull 		return -1;
34 fd04aace 2003-11-23 devnull 	return oitv.it_value.tv_sec*1000+oitv.it_value.tv_usec/1000;
35 fd04aace 2003-11-23 devnull }