OpenMP-Examples/sources/Example_threadprivate.5.f

41 lines
983 B
Fortran

! @@name: threadprivate.5f
! @@type: F-fixed
! @@compilable: yes
! @@linkable: yes
! @@expect: success
PROGRAM INC_GOOD2
INTEGER, ALLOCATABLE, SAVE :: A(:)
INTEGER, POINTER, SAVE :: PTR
INTEGER, SAVE :: I
INTEGER, TARGET :: TARG
LOGICAL :: FIRSTIN = .TRUE.
!$OMP THREADPRIVATE(A, I, PTR)
ALLOCATE (A(3))
A = (/1,2,3/)
PTR => TARG
I = 5
!$OMP PARALLEL COPYIN(I, PTR)
!$OMP CRITICAL
IF (FIRSTIN) THEN
TARG = 4 ! Update target of ptr
I = I + 10
IF (ALLOCATED(A)) A = A + 10
FIRSTIN = .FALSE.
END IF
IF (ALLOCATED(A)) THEN
PRINT *, 'a = ', A
ELSE
PRINT *, 'A is not allocated'
END IF
PRINT *, 'ptr = ', PTR
PRINT *, 'i = ', I
PRINT *
!$OMP END CRITICAL
!$OMP END PARALLEL
END PROGRAM INC_GOOD2