usr/klibc/alarm.c

/*
 * alarm.c
 */

#include <sys/time.h>
#include <sys/syscall.h>

#ifndef __NR_alarm

/* 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
1	/*
2	* alarm.c
3	*/
4
5	#include <sys/time.h>
6	#include <sys/syscall.h>
7
8	#ifndef __NR_alarm
9
10	/* Emulate alarm() via setitimer() */
11
12	unsigned int alarm(unsigned int seconds)
13	{
14	struct itimerval iv;
15
16	iv.it_interval.tv_sec = iv.it_interval.tv_usec = 0;
17	iv.it_value.tv_sec = seconds;
18	iv.it_value.tv_usec = 0;
19
20	setitimer(ITIMER_REAL, &iv, &iv);
21
22	return iv.it_value.tv_sec + (iv.it_value.tv_usec ? 1 : 0);
23	}
24
25	#endif