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openmpi/test/memory/opal_memory_cxx.cc

85 строки
2.1 KiB
C++
Исходник Обычный вид История

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