Test which checks the omp master directive by counting up a variable in a omp master section.
2.0
omp master
omp critical
INTEGER FUNCTION omp_master()
IMPLICIT NONE
INTEGER omp_get_thread_num
INTEGER nthreads, executing_thread
COMMON /orphvars/ nthreads, executing_thread
nthreads=0
executing_thread=-1
!$omp parallel
!$omp master
!$omp critical
nthreads = nthreads + 1
!$omp end critical
executing_thread=omp_get_thread_num()
!$omp end master
!$omp end parallel
IF ( (nthreads .EQ. 1) .AND. (executing_thread .EQ. 0) ) THEN
= 1
ELSE
= 0
END IF
END