85 строки
2.1 KiB
C++
85 строки
2.1 KiB
C++
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "ompi_config.h"
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#include <vector>
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#include <stdio.h>
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#include "ompi/constants.h"
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#include "opal/runtime/opal.h"
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#include "opal/memoryhooks/memory.h"
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using namespace std;
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int ret = 1;
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int size = 10 * 1024 * 1024;
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extern "C" {
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static void
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callback(void *buf, size_t length, void *cbdata, bool extra)
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{
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printf("\tcallback with %lx, %d\n", (unsigned long) buf, (int) length);
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ret--;
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}
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}
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int
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main(int argc, char *argv[])
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{
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int retval;
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opal_init();
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if (0 == ((OPAL_MEMORY_FREE_SUPPORT|OPAL_MEMORY_MALLOC_SUPPORT) &
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opal_mem_hooks_support_level())) {
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printf("no memory registration supported. skipping\n");
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return 77;
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}
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retval = opal_mem_hooks_register_release(callback, NULL);
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if (retval != OMPI_SUCCESS) return retval;
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vector<int> *big_vec;
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printf(" - allocating big vector\n");
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big_vec = new vector<int>;
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big_vec->reserve(size);
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/* touch all the locations, just to make sure C++ isn't smarter
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than I am */
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for (int i = 0 ; i < size ; ++i) {
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(*big_vec)[i] = i;
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}
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printf(" - deleting big vector\n");
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delete big_vec;
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printf(" - all done\n");
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retval = opal_mem_hooks_unregister_release(callback);
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if (retval != OMPI_SUCCESS) return retval;
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opal_finalize();
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/* some implementations of delete will call free twice */
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if (ret < 0) ret = 0;
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return ret;
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}
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