Introduction
Introduction Statistics Contact Development Disclaimer Help
sleep.c - 9base - revived minimalist port of Plan 9 userland to Unix
git clone git://git.suckless.org/9base
Log
Files
Refs
README
LICENSE
---
sleep.c (889B)
---
1 #include <u.h>
2 #define NOPLAN9DEFINES
3 #include <sys/param.h>
4 #include <sys/time.h>
5 #include <sched.h>
6 #include <libc.h>
7
8 #if defined(__NetBSD__) || (defined(__OpenBSD__) && OpenBSD <= 200611)
9 #if !defined(sched_yield)
10 # define sched_yield() \
11 do{ struct timespec ts; \
12 ts.tv_sec = 0; \
13 ts.tv_nsec = 0; \
14 nanosleep(&ts, 0); \
15 }while(0)
16 #endif
17 #endif
18
19 int
20 p9sleep(long milli)
21 {
22 struct timeval tv;
23
24 if(milli == 0){
25 sched_yield();
26 return 0;
27 }
28
29 tv.tv_sec = milli/1000;
30 tv.tv_usec = (milli%1000)*1000;
31 return select(0, 0, 0, 0, &tv);
32 }
33
34 long
35 p9alarm(ulong milli)
36 {
37 struct itimerval itv;
38 struct itimerval oitv;
39
40 itv.it_interval.tv_sec = 0;
41 itv.it_interval.tv_usec = 0;
42 itv.it_value.tv_sec = milli/1000;
43 itv.it_value.tv_usec = (milli%1000)*1000;
44 if(setitimer(ITIMER_REAL, &itv, &oitv) < 0)
45 return -1;
46 return oitv.it_value.tv_sec*1000+oitv.it_value.tv_usec/1000;
47 }
You are viewing proxied material from suckless.org. The copyright of proxied material belongs to its original authors. Any comments or complaints in relation to proxied material should be directed to the original authors of the content concerned. Please see the disclaimer for more details.