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Diffstat (limited to 'libgomp/testsuite/libgomp.fortran/appendix-a/a.2.1.f90')
| -rw-r--r-- | libgomp/testsuite/libgomp.fortran/appendix-a/a.2.1.f90 | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/libgomp/testsuite/libgomp.fortran/appendix-a/a.2.1.f90 b/libgomp/testsuite/libgomp.fortran/appendix-a/a.2.1.f90 new file mode 100644 index 000000000..2b09f5b1f --- /dev/null +++ b/libgomp/testsuite/libgomp.fortran/appendix-a/a.2.1.f90 @@ -0,0 +1,22 @@ +! { dg-do run } +PROGRAM A2 + INCLUDE "omp_lib.h" ! or USE OMP_LIB + INTEGER X + X=2 +!$OMP PARALLEL NUM_THREADS(2) SHARED(X) + IF (OMP_GET_THREAD_NUM() .EQ. 0) THEN + X=5 + ELSE + ! PRINT 1: The following read of x has a race + PRINT *,"1: THREAD# ", OMP_GET_THREAD_NUM(), "X = ", X + ENDIF +!$OMP BARRIER + IF (OMP_GET_THREAD_NUM() .EQ. 0) THEN + ! PRINT 2 + PRINT *,"2: THREAD# ", OMP_GET_THREAD_NUM(), "X = ", X + ELSE + ! PRINT 3 + PRINT *,"3: THREAD# ", OMP_GET_THREAD_NUM(), "X = ", X + ENDIF +!$OMP END PARALLEL +END PROGRAM A2 |