用c语言编写计时器，具体如下
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#include
#include
#include time.h>
#include
#include
static int count = 0;
static struct itimerval oldtv;
void set_timer()
{
struct itimerval itv;
itv.it_interval.tv_sec = 1;
itv.it_interval.tv_usec = 0;
itv.it_value.tv_sec = 1;
itv.it_value.tv_usec = 0;
setitimer(ITIMER_REAL, &itv, &oldtv);
}
void signal_handler(int m)
{
count ++;
printf("%d\n", count);
}
int main()
{
signal(SIGALRM, signal_handler);
set_timer();
while(count < 10000);
exit(0);
return 1;
}
