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

58 lines
1.3 KiB
C

<ompts:test>
<ompts:description>Test which checks the omp parallel for nowait directive. It fills an array with values and operates on these in the following.</ompts:description>
<ompts:directive>omp parallel for nowait</ompts:directive>
<ompts:version>1.0</ompts:version>
<ompts:dependences>omp parallel for, omp flush</ompts:dependences>
<ompts:testcode>
#include <stdio.h>
#include "omp_testsuite.h"
#include "omp_my_sleep.h"
int <ompts:testcode:functionname>omp_for_nowait</ompts:testcode:functionname> (FILE * logFile)
{
<ompts:orphan:vars>
int result;
int count;
</ompts:orphan:vars>
int j;
int myarray[LOOPCOUNT];
result = 0;
count = 0;
#pragma omp parallel
{
<ompts:orphan>
int rank;
int i;
rank = omp_get_thread_num();
#pragma omp for <ompts:check>nowait</ompts:check>
for (i = 0; i < LOOPCOUNT; i++) {
if (i == 0) {
fprintf (logFile, "Thread nr %d entering for loop and going to sleep.\n", rank);
my_sleep(SLEEPTIME);
count = 1;
#pragma omp flush(count)
fprintf (logFile, "Thread nr %d woke up and set count = 1.\n", rank);
}
}
fprintf (logFile, "Thread nr %d exited first for loop and enters the second.\n", rank);
#pragma omp for
for (i = 0; i < LOOPCOUNT; i++)
{
#pragma omp flush(count)
if (count == 0)
result = 1;
}
</ompts:orphan>
}
return result;
}
</ompts:testcode>
</ompts:test>