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openmpi/ompi/mpi/c/free_mem.c
Jeff Squyres e80b7e9dde If MPI_ALLOC_MEM is invoked with a 0 sized request, return NULL. If
MPI_FREE_MEM is invoked with NULL, return success.

Fixes trac:1101.

This commit was SVN r15593.

The following Trac tickets were found above:
  Ticket 1101 --> https://svn.open-mpi.org/trac/ompi/ticket/1101
2007-07-25 01:00:30 +00:00

57 строки
1.7 KiB
C

/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2007 Cisco, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.h>
#include <stdlib.h>
#include "ompi/mpi/c/bindings.h"
#include "ompi/mca/mpool/mpool.h"
#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_Free_mem = PMPI_Free_mem
#endif
#if OMPI_PROFILING_DEFINES
#include "ompi/mpi/c/profile/defines.h"
#endif
static const char FUNC_NAME[] = "MPI_Free_mem";
int MPI_Free_mem(void *baseptr)
{
OPAL_CR_TEST_CHECKPOINT_READY();
/* Per these threads:
http://www.open-mpi.org/community/lists/devel/2007/07/1977.php
http://www.open-mpi.org/community/lists/devel/2007/07/1979.php
If you call MPI_ALLOC_MEM with a size of 0, you get NULL
back. So don't consider a NULL==baseptr an error. */
if (NULL != baseptr && OMPI_SUCCESS != mca_mpool_base_free(baseptr)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_NO_MEM, FUNC_NAME);
}
return MPI_SUCCESS;
}