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e6622c86a8
error and wanted to exit the test program. This was not good since if only a
subset of processes called MPI_Finalize(), the other processes will likely
hang. That happened in AIX that it would waited till the alarm signal to kill
the processes. Definitely a waste of time.
Solution: Changed it to call MPI_Abort.
That showed another problem. HDF5 has setup atexit post-process to try to close
unclose objects, release resources, etc. But if the MPI processes have
encountered an error and has been aborted, it is not likely any more MPI calls
can function properly. E.g., it would attempt to free some communicators in
the HDF5 MPIO file handle. It would again hang.
Solution: need to call H5dont_atexit() to disable any atexit post-processing.
This must be done early, like before calling H5open. This is added to each
parallel test main program.
testphdf5.h:
Changed macros VRFY and MESG. Added comments too.
testphdf5.c:
t_mpi.c:
t_cache.c:
t_shapesame.c:
Added H5dont_atexit.
Tested: h5committest.
100 lines
5.0 KiB
C
100 lines
5.0 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* Copyright by the Board of Trustees of the University of Illinois. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the files COPYING and Copyright.html. COPYING can be found at the root *
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* of the source code distribution tree; Copyright.html can be found at the *
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* root level of an installed copy of the electronic HDF5 document set and *
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* is linked from the top-level documents page. It can also be found at *
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* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
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* access to either file, you may request a copy from help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/* common definitions used by all parallel test programs. */
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#ifndef TESTPAR_H
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#define TESTPAR_H
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#include "h5test.h"
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/* Constants definitions */
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#define MAX_ERR_REPORT 10 /* Maximum number of errors reported */
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/* Define some handy debugging shorthands, routines, ... */
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/* debugging tools */
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/* Print message mesg if verbose level is at least medium and
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* mesg is not an empty string.
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*/
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#define MESG(mesg) \
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if (VERBOSE_MED && *mesg != '\0') \
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printf("%s\n", mesg)
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/*
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* VRFY: Verify if the condition val is true.
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* If it is true, then call MESG to print mesg, depending on the verbose
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* level.
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* If val is not true, it prints error messages and if the verbose
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* level is lower than medium, it calls MPI_Abort to abort the program.
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* If verbose level is at least medium, it will not abort.
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* This will allow program to continue and can be used for debugging.
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* (The "do {...} while(0)" is to group all the statements as one unit.)
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*/
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#define VRFY(val, mesg) do { \
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if (val) { \
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MESG(mesg); \
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} else { \
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printf("Proc %d: ", mpi_rank); \
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printf("*** Parallel ERROR ***\n"); \
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printf(" VRFY (%s) failed at line %4d in %s\n", \
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mesg, (int)__LINE__, __FILE__); \
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++nerrors; \
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fflush(stdout); \
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if (!VERBOSE_MED) { \
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printf("aborting MPI processes\n"); \
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MPI_Abort(MPI_COMM_WORLD, 1); \
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} \
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} \
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} while(0)
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/*
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* Checking for information purpose.
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* If val is false, print mesg; else nothing.
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* Either case, no error setting.
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*/
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#define INFO(val, mesg) do { \
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if (val) { \
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MESG(mesg); \
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} else { \
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printf("Proc %d: ", mpi_rank); \
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printf("*** PHDF5 REMARK (not an error) ***\n"); \
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printf(" Condition (%s) failed at line %4d in %s\n", \
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mesg, (int)__LINE__, __FILE__); \
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fflush(stdout); \
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} \
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} while(0)
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#define MPI_BANNER(mesg) do { \
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if (VERBOSE_MED || MAINPROCESS){ \
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printf("--------------------------------\n"); \
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printf("Proc %d: ", mpi_rank); \
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printf("*** %s\n", mesg); \
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printf("--------------------------------\n"); \
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} \
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} while(0)
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#define MAINPROCESS (!mpi_rank) /* define process 0 as main process */
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#define SYNC(comm) do { \
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MPI_BANNER("doing a SYNC"); \
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MPI_Barrier(comm); \
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MPI_BANNER("SYNC DONE"); \
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} while(0)
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/* End of Define some handy debugging shorthands, routines, ... */
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#endif /* TESTPAR_H */
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