int main() {
sched_init();
mythread_start(thread_function1, NULL);
mythread_start(thread_function2, NULL);
mythread_start(thread_function3, NULL);
timer_setup(sig_timer_handler, 25000);
while(1) ;
return 0;
}
/*
* Prototype OS that creates threads and semaphores.
*/
void os_primitive()
{
unsigned int i;
tcb *thread_pointer;
// Create the semaphores
full = mysem_create(0);
empty = mysem_create(BUFFER_SIZE);
mutex = mysem_create(1);
// Create the threads
for (i = 0; i < NUM_THREADS; i++)
{
thread_pointer = mythread_create(i, 4096, mythread); // 4B * 4096 entries = 16KB
mythread_start(thread_pointer);
mythread_join(thread_pointer);
}
if ( start_alarm_succeed() )
printf ("Start the alarm successfully\n");
else
printf ("Unable to start the alarm\n");
/* an endless while loop */
while (1)
{
printf ("This is the OS primitive for my exciting CSE351 course projects!\n");
/* delay printf for a while */
for (i = 0; i < 5*MAX; i++);
}
}
