llvm-project/openmp/runtime/test/tasking/omp_taskyield.c

62 lines
1.3 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_taskyield()
{
int i;
int count = 0;
int start_tid[NUM_TASKS];
int current_tid[NUM_TASKS];
for (i=0; i< NUM_TASKS; i++) {
start_tid[i]=0;
current_tid[i]=0;
}
#pragma omp parallel
{
#pragma omp single
{
for (i = 0; i < NUM_TASKS; i++) {
int myi = i;
#pragma omp task untied
{
my_sleep(SLEEPTIME);
start_tid[myi] = omp_get_thread_num();
#pragma omp taskyield
if((start_tid[myi] %2) ==0){
my_sleep(SLEEPTIME);
current_tid[myi] = omp_get_thread_num();
} /*end of if*/
} /* end of omp task */
} /* end of for */
} /* end of single */
} /* end of parallel */
for (i=0;i<NUM_TASKS; i++) {
//printf("start_tid[%d]=%d, current_tid[%d]=%d\n",
//i, start_tid[i], i , current_tid[i]);
if (current_tid[i] == start_tid[i])
count++;
}
return (count<NUM_TASKS);
}
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_taskyield()) {
num_failed++;
}
}
return num_failed;
}