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Diffstat (limited to 'libgomp/testsuite/libgomp.fortran/appendix-a/a.39.1.f90')
| -rw-r--r-- | libgomp/testsuite/libgomp.fortran/appendix-a/a.39.1.f90 | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/libgomp/testsuite/libgomp.fortran/appendix-a/a.39.1.f90 b/libgomp/testsuite/libgomp.fortran/appendix-a/a.39.1.f90 new file mode 100644 index 000000000..540d17f5b --- /dev/null +++ b/libgomp/testsuite/libgomp.fortran/appendix-a/a.39.1.f90 @@ -0,0 +1,26 @@ +! { dg-do run } + + SUBROUTINE SKIP(ID) + END SUBROUTINE SKIP + SUBROUTINE WORK(ID) + END SUBROUTINE WORK + PROGRAM A39 + INCLUDE "omp_lib.h" ! or USE OMP_LIB + INTEGER(OMP_LOCK_KIND) LCK + INTEGER ID + CALL OMP_INIT_LOCK(LCK) +!$OMP PARALLEL SHARED(LCK) PRIVATE(ID) + ID = OMP_GET_THREAD_NUM() + CALL OMP_SET_LOCK(LCK) + PRINT *, "My thread id is ", ID + CALL OMP_UNSET_LOCK(LCK) + DO WHILE (.NOT. OMP_TEST_LOCK(LCK)) + CALL SKIP(ID) ! We do not yet have the lock + ! so we must do something else + END DO + CALL WORK(ID) ! We now have the lock + ! and can do the work + CALL OMP_UNSET_LOCK( LCK ) +!$OMP END PARALLEL + CALL OMP_DESTROY_LOCK( LCK ) + END PROGRAM A39 |