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35 lines
624 B
C
35 lines
624 B
C
#include <u.h>
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#define NOPLAN9DEFINES
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#include <libc.h>
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#include <sys/time.h>
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#include <sched.h>
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int
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p9sleep(long milli)
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{
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struct timeval tv;
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if(milli == 0){
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sched_yield();
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return 0;
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}
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tv.tv_sec = milli/1000;
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tv.tv_usec = (milli%1000)*1000;
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return select(0, 0, 0, 0, &tv);
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}
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long
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p9alarm(ulong milli)
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{
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struct itimerval itv;
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struct itimerval oitv;
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itv.it_interval.tv_sec = 0;
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itv.it_interval.tv_usec = 0;
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itv.it_value.tv_sec = milli/1000;
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itv.it_value.tv_usec = (milli%1000)*1000;
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if(setitimer(ITIMER_REAL, &itv, &oitv) < 0)
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return -1;
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return oitv.it_value.tv_sec*1000+oitv.it_value.tv_usec/1000;
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}
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