diff options
Diffstat (limited to 'libgomp/testsuite/libgomp.c/cancel-parallel-2.c')
-rw-r--r-- | libgomp/testsuite/libgomp.c/cancel-parallel-2.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/libgomp/testsuite/libgomp.c/cancel-parallel-2.c b/libgomp/testsuite/libgomp.c/cancel-parallel-2.c new file mode 100644 index 00000000000..cae0aa45c0f --- /dev/null +++ b/libgomp/testsuite/libgomp.c/cancel-parallel-2.c @@ -0,0 +1,53 @@ +/* { dg-do run } */ +/* { dg-set-target-env-var OMP_CANCELLATION "true" } */ + +#include <stdlib.h> +#include <unistd.h> +#include <omp.h> + +static void +foo (int *x) +{ + #pragma omp parallel firstprivate(x) num_threads (32) + { + int thr = omp_get_thread_num (); + switch (x[thr]) + { + case 4: + #pragma omp cancel parallel + break; + case 3: + #pragma omp task + usleep (1000); + #pragma omp task + usleep (2000); + #pragma omp task + usleep (4000); + break; + case 2: + usleep (1000); + /* FALLTHRU */ + case 1: + #pragma omp cancellation point parallel + break; + } + #pragma omp barrier + if (omp_get_cancellation ()) + abort (); + } +} + +int +main () +{ + int i, j, x[32] = { 0, 1, 2, 4, 2, 2, 1, 0 }; + foo (x); + for (i = 0; i < 32; i++) + { + for (j = 0; j < 32; j++) + x[j] = rand () & 3; + x[rand () & 31] = 4; + foo (x); + } + return 0; +} |