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hacks / timer_test.c
100644 48 lines (34 sloc) 0.714 kb
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#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <sys/time.h>
#include <signal.h>
 
 
struct itimerspec tick = { {0, 10 * 1000}, {0, 10 * 1000} } ;
 
void sigusr(int signal) {
 
	return;
}
 
int main (void) {
 
 
	timer_t timerid;
	struct timespec ts;
	struct sigevent sigev = {
		.sigev_notify = SIGEV_SIGNAL,
		.sigev_signo = SIGUSR1
	};
 
	signal(SIGUSR1, sigusr);
 
	if (timer_create(CLOCK_MONOTONIC, &sigev, &timerid)  == -1) {  
		perror("timer_create");  
		exit(1);  
	} 
 
	if (timer_settime(timerid, 0, &tick, NULL )== -1) {
		perror("timer_create");  
		exit(1);  
	}
 
	while(1) {
		pause();
	}
 
	if (timer_delete(timerid) == -1) {  
		perror("timer_delete");  
		exit(1);  
	}  
 
	return 0;  
}