void * f(void * arg_) {
arg_t * arg = (arg_t *)arg_;
long a = arg->a, b = arg->b;
long ninc_per_thread = arg->ninc_per_thread;
#if DBG
printf("%ld : f(%ld,%ld)\n", myth_get_worker_num(), a, b);
#endif
if (b - a == 1) {
int i;
for (i = 0; i < ninc_per_thread; i++) {
myth_mutex_lock(arg->m);
arg->p[0]++;
myth_mutex_unlock(arg->m);
}
arg->r = a;
} else {
long c = (a + b) / 2;
arg_t cargs[2] = { { ninc_per_thread, a, c, 0, arg->p, arg->m },
{ ninc_per_thread, c, b, 0, arg->p, arg->m }
};
myth_thread_t tid = myth_create(f, cargs);
f(cargs + 1);
myth_join(tid, 0);
arg->r = cargs[0].r + cargs[1].r;
}
return 0;
}
int main() {
void * res = 0;
myth_thread_t th = myth_create(f, (void *)123);
myth_join(th, &res);
assert(res == (void *)579);
printf("OK\n");
return 0;
}
void * f(void * arg_) {
arg_t * arg = (arg_t *)arg_;
long a = arg->a, b = arg->b;
if (b - a == 1) {
arg->r = a;
} else {
long c = (a + b) / 2;
arg_t cargs[2] = { { a, c, 0 }, { c, b, 0 } };
myth_thread_t tid = myth_create(f, cargs);
f(cargs + 1);
myth_join(tid, 0);
arg->r = cargs[0].r + cargs[1].r;
}
return 0;
}
void accalt_tasklet_creation(void(*thread_func)(void *), void *arg, ACCALT_tasklet *new_ult) {
#ifdef ARGOBOTS
ABT_xstream xstream;
ABT_xstream_self(&xstream);
ABT_pool pool;
ABT_xstream_get_main_pools(xstream, 1, &pool);
ABT_task_create(pool, thread_func, arg, new_ult);
#endif
#ifdef MASSIVETHREADS
*new_ult = myth_create((void *) thread_func, arg);
#endif
#ifdef QTHREADS
qthread_fork((void *) thread_func, arg, new_ult);
#endif
}
int main(int argc,char **argv)
{
myth_init();
myth_thread_t th=myth_create(test_thread,NULL);
int i;
for(i=0;i<YIELD_COUNT;i++){
#ifdef SHOW_LOG
fprintf(stderr,"A%d\n",i);
#endif
myth_yield2();
}
myth_join(th,NULL);
myth_fini();
printf("OK\n");
return 0;
}
int main(int argc, char ** argv) {
long nthreads = (argc > 1 ? atol(argv[1]) : 50);
long ninc_per_thread = (argc > 2 ? atol(argv[2]) : 1000);
myth_mutex_init(m, 0);
long p[1] = { 0 };
arg_t arg[1] = { { ninc_per_thread, 0, nthreads, 0, p, m } };
myth_thread_t tid = myth_create(f, arg);
myth_join(tid, 0);
if (arg->r == (nthreads - 1) * nthreads / 2
&& arg->p[0] == nthreads * ninc_per_thread) {
printf("OK\n");
return 0;
} else {
printf("NG: p = %ld != nthreads * ninc_per_thread = %ld\n",
arg->p[0], nthreads * ninc_per_thread);
return 1;
}
}
int main(int argc, char ** argv) {
long nthreads = (argc > 1 ? atol(argv[1]) : 100000);
arg_t arg[1] = { { 0, nthreads, 0 } };
long i;
for (i = 0; i < 3; i++) {
double t0 = cur_time();
myth_thread_t tid = myth_create(f, arg);
myth_join(tid, 0);
double t1 = cur_time();
double dt = t1 - t0;
if (arg->r == (nthreads - 1) * nthreads / 2) {
printf("OK\n");
printf("%ld thread creation/join in %.9f sec (%.3f per sec)\n",
nthreads, dt, nthreads / dt);
} else {
printf("NG\n");
return 1;
}
}
return 0;
}
int create_and_delete_keys() {
myth_thread_t th[n_keys];
long i;
for (i = 0; i < n_keys; i++) {
keys[i] = 0;
}
for (i = 0; i < n_keys; i++) {
th[i] = myth_create(f, (void *)i);
}
for (i = 0; i < n_keys; i++) {
myth_join(th[i], 0);
}
for (i = 0; i < n_keys; i++) {
assert(keys[i] == 1);
}
for (i = 0; i < n_keys; i++) {
int r = myth_key_delete((myth_key_t)i);
assert(r == 0);
}
return 0;
}
//
// Have the tasking layer create a dedicated task to help the
// communication layer by running function 'fn' with argument 'arg'.
// This task should be quite dedicated (e.g., get its own system
// thread) in order to be responsive and not be held up by other
// user-level tasks. returns 0 on success, nonzero on failure.
//
int chpl_task_createCommTask(chpl_fn_p fn, void* arg) {
// return chpl_thread_createCommThread(fn, arg);
myth_create((myth_func_t)fn, arg);
return 0;
}