Test which checks the omp master directive by counting up a variable in a omp master section. It also checks that the master thread has the thread number 0 as specified in the Open MP standard version 3.0.
3.0
omp master
omp critical
#include
#include "omp_testsuite.h"
int omp_master_3(FILE * logFile)
{
int nthreads;
int executing_thread;
int tid_result = 0; /* counts up the number of wrong thread no. for
the master thread. (Must be 0) */
nthreads = 0;
executing_thread = -1;
#pragma omp parallel
{
#pragma omp master
{
int tid = omp_get_thread_num();
if (tid != 0) {
#pragma omp critical
{ tid_result++; }
}
#pragma omp critical
{
nthreads++;
}
executing_thread = omp_get_thread_num ();
} /* end of master*/
} /* end of parallel*/
return ((nthreads == 1) && (executing_thread == 0) && (tid_result == 0));
}