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13 lines
323 B
13 lines
323 B
#define _GNU_SOURCE
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#include <unistd.h>
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#include <sys/time.h>
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unsigned ualarm(unsigned value, unsigned interval)
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{
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struct itimerval it = {
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.it_interval.tv_usec = interval,
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.it_value.tv_usec = value
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}, it_old;
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setitimer(ITIMER_REAL, &it, &it_old);
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return it_old.it_value.tv_sec*1000000 + it_old.it_value.tv_usec;
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}
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