int main() {
int i;
gtthread_t t1, t2, t3, t6;
void *ret;
gtthread_mutex_init(&count_lock);
gtthread_init(5);
gtthread_create(&t1, thr1, (void *) 1);
gtthread_create(&t2, thr2, (void *) 2);
gtthread_create(&t3, thr3, (void *) 3);
gtthread_create(&t6, thr6, (void *) 6);
for (i = 0; i < LOOP_MAX; i++) {
printf("Main thread!\n");
fflush(stdout);
gtthread_mutex_lock(&count_lock);
count++;
gtthread_mutex_unlock(&count_lock);
if (i % YIELD_VAL == 0) {
gtthread_yield();
}
}
printf("main waiting for thr1...\n");
fflush(stdout);
gtthread_join(t1, &ret);
printf("thr1 joined main with value %d!\n", (int) ret);
fflush(stdout);
gtthread_cancel(t2);
printf("thr2 cancelled!\n");
fflush(stdout);
printf("main waiting for thr3...\n");
fflush(stdout);
gtthread_join(t3, &ret);
printf("thr3 joined main with value %d!\n", (int) ret);
fflush(stdout);
printf("main waiting for thr6...\n");
fflush(stdout);
gtthread_join(t6, &ret);
printf("thr6 joined main with value %d!\n", (int) ret);
fflush(stdout);
gtthread_mutex_lock(&count_lock);
printf("Final count value: %lu\n", count);
fflush(stdout);
gtthread_mutex_unlock(&count_lock);
gtthread_mutex_destroy(&count_lock);
return EXIT_SUCCESS;
}
int main() {
gtthread_t t1;
gtthread_t t2;
gtthread_t t3;
double sum_thread1 = 0;
double *p1 = &sum_thread1;
double **p2 = &p1;
gtthread_mutex_init(&g_mutex);
gtthread_init(10000);
gtthread_create(&t1, thr1, NULL );
gtthread_create(&t2, thr2, NULL );
gtthread_create(&t3, thr3, NULL );
printf("id of thread1 is %d\n", t1.id);
printf("id of thread1 is %d\n", t2.id);
// get self id
gtthread_t t0;
t0 = gtthread_self();
printf("The main thread is %d \n", t0.id);
//gtthread_yield();
//gtthread_cancel(t2);
gtthread_join(t1, (void **) p2);
printf("Returned Value from thread 1 = %f\n", **p2);
gtthread_join(t2, NULL );
gtthread_join(t3, NULL );
printf("returning to main thread!\n");
// printf("returning to main thread again!\n");
gtthread_mutex_destroy(&g_mutex);
printf("\n....Exiting the Main!....\n");
return EXIT_SUCCESS;
}
int main()
{
int rc;
int rep;
int ndx;
printf("test mutex init, lock, unlock, destroy\n");
for( ndx=0; ndx<100; ++ndx ) {
hold[ndx] = 100+(ndx%10)*10;
}
printf("main: enter\n");
gtthread_init(period);
for( ndx=0; ndx<10; ++ndx ) {
rc = gtthread_mutex_init(&m[ndx]);
printf("init %d\n",ndx); fflush(stdout);
if(rc)printf("rc = %d\n",rc); fflush(stdout);
}
for( rep=0; rep<10; ++rep ) {
for( ndx=0; ndx<10; ++ndx ) {
rc = gtthread_mutex_lock(&m[ndx]);
printf("lock(%d)\n",ndx); fflush(stdout);
if(rc)printf("rc = %d\n",rc); fflush(stdout);
usleep(10*1000);
rc = gtthread_mutex_unlock(&m[ndx]);
printf("unlock(%d)\n",ndx); fflush(stdout);
if(rc)printf("rc = %d\n",rc); fflush(stdout);
}
}
for( ndx=0; ndx<10; ++ndx ) {
rc = gtthread_mutex_destroy(&m[ndx]);
printf("destroy(%d)\n",ndx,rc); fflush(stdout);
if(rc)printf("rc = %d\n",rc); fflush(stdout);
}
printf("main: exit\n");
fflush(stdout);
return EXIT_SUCCESS;
}
int main()
{
gtthread_t t1;
gtthread_t t2;
gtthread_t t3;
double sum_thread1 = 0;
double *p1 = &sum_thread1;
double **p2 = &p1;
gtthread_mutex_init(&g_mutex);
gtthread_init(1000);
gtthread_create(&t1, thr1, NULL );
printf("thread1 id %ld\n", t1); //t1.id);
gtthread_create(&t2, thr2, NULL );
printf("thread2 id %ld\n", t2); //t2.id);
gtthread_create(&t3, thr3, NULL );
printf("thread3 id %ld\n", t3); //t2.id);
// get self id
gtthread_t t0;
t0 = gtthread_self();
printf("main thread id %ld \n", t0); //t0.id);
//gtthread_yield();
gtthread_cancel(t2);
//gtthread_join(t1, NULL);
gtthread_join(t1, p2);
printf("thread1 return = %f\n", **p2);
gtthread_join(t2, NULL );
gtthread_join(t3, NULL );
printf("returning to main thread!\n");
// printf("returning to main thread again!\n");
gtthread_mutex_destroy(&g_mutex);
printf("\n....Exiting the Main!....\n");
return EXIT_SUCCESS;
}
