diff options
| -rw-r--r-- | lab09/timer.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/lab09/timer.c b/lab09/timer.c index 6c609f5..467b3b4 100644 --- a/lab09/timer.c +++ b/lab09/timer.c @@ -17,17 +17,19 @@ void alarm_handler(int x) { int main() { - /* define the initial and interval to run at 5 hz */ - struct timeval initial = {0, ???/RATE}; - struct timeval interval = {0, ???/RATE}; + struct timeval initial = {0, 1000000/RATE}; + struct timeval interval = {0, 1000000/RATE}; struct itimerval t; t.it_value = initial; t.it_interval = interval; - - /* install a signal handler for SIGALRM and start timer ticking */ - - /* use the count variable to terminate after 10 seconds */ - + if (signal(SIGALRM, alarm_handler) != SIG_ERR) { + if (!setitimer(ITIMER_REAL, &t, 0)) { + /* Perform other tasks waiting for our SIGALRMs */ + while(count <= 50) { + ; + } + } + } exit(0); } |