set_ticker.c

// bounced1d.c 파일과 함께 컴파일 해야 합니다.

// gcc bounced1d.c set_ticker.c -o -lcurses bounce1d

#include <stdio.h>

#include <sys/time.h>

#include <signal.h>

set_ticker(n_msecs)

{

struct itimerval new_timeset;

long n_sec, n_usecs;

n_sec = n_msecs / 1000;

n_usecs = (n_msecs%1000)*1000L;

new_timeset.it_interval.tv_sec = n_sec;

new_timeset.it_interval.tv_usec = n_usecs;

new_timeset.it_value.tv_sec = n_sec;

new_timeset.it_value.tv_usec = n_usecs;

return setitimer(ITIMER_REAL, &new_timeset, NULL);

}