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2e3263ac5986019f57576f6b0777f483b449eba7
[oweals/musl.git]
/
src
/
unistd
/
alarm.c
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#include <unistd.h>
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#include <sys/time.h>
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#include "syscall.h"
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unsigned alarm(unsigned seconds)
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{
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struct itimerval it = { .it_value.tv_sec = seconds };
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__syscall(SYS_setitimer, ITIMER_REAL, &it, &it);
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return it.it_value.tv_sec + !!it.it_value.tv_usec;
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}