mirror of git://git.musl-libc.org/musl
26 lines
938 B
C
26 lines
938 B
C
#include "time32.h"
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#include <time.h>
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#include <sys/time.h>
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int __setitimer_time32(int which, const struct itimerval32 *restrict new32, struct itimerval32 *restrict old32)
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{
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struct itimerval old;
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int r = setitimer(which, (&(struct itimerval){
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.it_interval.tv_sec = new32->it_interval.tv_sec,
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.it_interval.tv_usec = new32->it_interval.tv_usec,
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.it_value.tv_sec = new32->it_value.tv_sec,
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.it_value.tv_usec = new32->it_value.tv_usec}), &old);
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if (r) return r;
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/* The above call has already committed to success by changing the
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* timer setting, so we can't fail on out-of-range old value.
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* Since these are relative times, values large enough to overflow
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* don't make sense anyway. */
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if (old32) {
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old32->it_interval.tv_sec = old.it_interval.tv_sec;
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old32->it_interval.tv_usec = old.it_interval.tv_usec;
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old32->it_value.tv_sec = old.it_value.tv_sec;
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old32->it_value.tv_usec = old.it_value.tv_usec;
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}
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return 0;
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}
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