[svn-r26298] merge 26279 from trunk.

HDFFV-883: attach callback to terminate HDF5 library when MPI_COMM_SELF is destroyed on MPI_Finalize.

tested h5committest.

1 files changed, 3 insertions, 8 deletions

diff --git a/testpar/t_pflush1.c b/testpar/t_pflush1.c
index ebe5c38..1bcfeb8 100644
--- a/testpar/t_pflush1.c
+++ b/testpar/t_pflush1.c
@@ -164,12 +164,9 @@ main(int argc, char* argv[])
     } /* end else */
 
     /*
-     * Some systems like Linux with mpich, if you just _exit without MPI_Finalize
-     * called, it would terminate but left the launching process waiting forever.
-     * OTHO, some systems like AIX do not like files not closed when MPI_Finalize
-     * is called.  So, we need to get the MPI file handles, close them by hand,
-     * then MPI_Finalize. Then the _exit is still needed to stop at_exit from
-     * happening in some systems.
+     * Some systems like AIX do not like files not closed when MPI_Finalize
+     * is called.  So, we need to get the MPI file handles, close them by hand.
+     * Then the _exit is still needed to stop at_exit from happening in some systems.
      * Note that MPIO VFD returns the address of the file-handle in the VFD struct
      * because MPI_File_close wants to modify the file-handle variable.
      */
@@ -195,13 +192,11 @@ main(int argc, char* argv[])
 
     fflush(stdout);
     fflush(stderr);
-    MPI_Finalize();
     HD_exit(0);
 
 error:
     fflush(stdout);
     fflush(stderr);
-    MPI_Finalize();
     HD_exit(1);
 }