OpenMP-Examples/sources/Example_tasking.3.f90

40 lines
1.0 KiB
Fortran

! @@name: tasking.3f
! @@type: F-free
! @@compilable: yes
! @@linkable: no
! @@expect: success
MODULE LIST
TYPE NODE
INTEGER :: PAYLOAD
TYPE (NODE), POINTER :: NEXT
END TYPE NODE
CONTAINS
SUBROUTINE PROCESS(p)
TYPE (NODE), POINTER :: P
! do work here
END SUBROUTINE
SUBROUTINE INCREMENT_LIST_ITEMS (HEAD)
TYPE (NODE), POINTER :: HEAD
TYPE (NODE), POINTER :: P
!$OMP PARALLEL PRIVATE(P)
!$OMP SINGLE
P => HEAD
DO
!$OMP TASK
! P is firstprivate by default
CALL PROCESS(P)
!$OMP END TASK
P => P%NEXT
IF ( .NOT. ASSOCIATED (P) ) EXIT
END DO
!$OMP END SINGLE
!$OMP END PARALLEL
END SUBROUTINE
END MODULE