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-rw-r--r--testpar/t_cache.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/testpar/t_cache.c b/testpar/t_cache.c
index 066e763..3c626d3 100644
--- a/testpar/t_cache.c
+++ b/testpar/t_cache.c
@@ -7236,6 +7236,14 @@ main(int argc, char **argv)
world_server_mpi_rank = mpi_size - 1;
world_mpi_comm = MPI_COMM_WORLD;
+ /* Attempt to turn off atexit post processing so that in case errors
+ * happen during the test and the process is aborted, it will not get
+ * hang in the atexit post processing in which it may try to make MPI
+ * calls. By then, MPI calls may not work.
+ */
+ if (H5dont_atexit() < 0){
+ printf("Failed to turn off atexit processing. Continue.\n", mpi_rank);
+ };
H5open();
express_test = do_express_test();