56 lines
1.2 KiB
C
56 lines
1.2 KiB
C
// RUN: %libomp-compile-and-run
|
|
#include <stdio.h>
|
|
#include <math.h>
|
|
#include "omp_testsuite.h"
|
|
#include "omp_my_sleep.h"
|
|
|
|
int test_omp_task()
|
|
{
|
|
int tids[NUM_TASKS];
|
|
int i;
|
|
|
|
#pragma omp parallel
|
|
{
|
|
#pragma omp single
|
|
{
|
|
for (i = 0; i < NUM_TASKS; i++) {
|
|
/* First we have to store the value of the loop index in a new variable
|
|
* which will be private for each task because otherwise it will be overwritten
|
|
* if the execution of the task takes longer than the time which is needed to
|
|
* enter the next step of the loop!
|
|
*/
|
|
int myi;
|
|
myi = i;
|
|
#pragma omp task
|
|
{
|
|
my_sleep (SLEEPTIME);
|
|
tids[myi] = omp_get_thread_num();
|
|
} /* end of omp task */
|
|
} /* end of for */
|
|
} /* end of single */
|
|
} /*end of parallel */
|
|
|
|
/* Now we ckeck if more than one thread executed the tasks. */
|
|
for (i = 1; i < NUM_TASKS; i++) {
|
|
if (tids[0] != tids[i])
|
|
return 1;
|
|
}
|
|
return 0;
|
|
} /* end of check_parallel_for_private */
|
|
|
|
int main()
|
|
{
|
|
int i;
|
|
int num_failed=0;
|
|
|
|
if (omp_get_max_threads() < 2)
|
|
omp_set_num_threads(8);
|
|
|
|
for(i = 0; i < REPETITIONS; i++) {
|
|
if(!test_omp_task()) {
|
|
num_failed++;
|
|
}
|
|
}
|
|
return num_failed;
|
|
}
|