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/*
* alarm.c
*/
#include <sys/time.h>
#include <sys/syscall.h>
#ifdef __NR_alarm
_syscall1(unsigned int,alarm,unsigned int,seconds);
#else
/* Emulate alarm() via setitimer() */
unsigned int alarm(unsigned int seconds)
{
struct itimerval iv;
iv.it_interval.tv_sec = iv.it_interval.tv_usec = 0;
iv.it_value.tv_sec = seconds;
iv.it_value.tv_usec = 0;
setitimer(ITIMER_REAL, &iv, &iv);
return iv.it_value.tv_sec + (iv.it_value.tv_usec ? 1 : 0);
}
#endif
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