llvm-project/openmp/testsuite/c/omp_task.c

53 lines
1.7 KiB
C

<ompts:test>
<ompts:testdescription>Test which checks the omp task directive. The idea of the tests is to generate a set of tasks in a single region. We let pause the tasks generated so that other threads get sheduled to the newly opened tasks.</ompts:testdescription>
<ompts:ompversion>3.0</ompts:ompversion>
<ompts:directive>omp task</ompts:directive>
<ompts:dependences>omp single</ompts:dependences>
<ompts:testcode>
#include <stdio.h>
#include <math.h>
#include "omp_testsuite.h"
#include "omp_my_sleep.h"
int <ompts:testcode:functionname>omp_task</ompts:testcode:functionname>(FILE * logFile){
<ompts:orphan:vars>
int tids[NUM_TASKS];
int i;
</ompts:orphan:vars>
#pragma omp parallel
{
#pragma omp single
{
for (i = 0; i < NUM_TASKS; i++) {
<ompts:orphan>
/* 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;
<ompts:check>#pragma omp task</ompts:check>
{
my_sleep (SLEEPTIME);
tids[myi] = omp_get_thread_num();
} /* end of omp task */
</ompts:orphan>
} /* 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 */
</ompts:testcode>
</ompts:test>