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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2008 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) 2018 Triad National Security, LLC. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "opal_config.h"
#include <stdlib.h>
#include "opal/runtime/opal.h"
#include "opal/util/malloc.h"
#include "opal/util/output.h"
/*
* Undefine "malloc" and "free"
*/
#if defined(malloc)
# undef malloc
#endif
#if defined(calloc)
# undef calloc
#endif
#if defined(free)
# undef free
#endif
#if defined(realloc)
# undef realloc
#endif
/*
* Public variables
*/
int opal_malloc_debug_level = OPAL_MALLOC_DEBUG_LEVEL;
int opal_malloc_output = -1;
#if OPAL_ENABLE_DEBUG
/*
* Private variables
*/
static opal_output_stream_t malloc_stream;
/*
* Finalize the malloc debug interface
*/
static void opal_malloc_finalize(void)
{
if (-1 != opal_malloc_output) {
opal_output_close(opal_malloc_output);
opal_malloc_output = -1;
OBJ_DESTRUCT(&malloc_stream);
}
}
/*
* Initialize the malloc debug interface
*/
void opal_malloc_init(void)
{
OBJ_CONSTRUCT(&malloc_stream, opal_output_stream_t);
malloc_stream.lds_is_debugging = true;
malloc_stream.lds_verbose_level = 5;
malloc_stream.lds_prefix = "malloc debug: ";
malloc_stream.lds_want_stderr = true;
opal_malloc_output = opal_output_open(&malloc_stream);
opal_finalize_register_cleanup(opal_malloc_finalize);
}
#else
void opal_malloc_init(void)
{
}
#endif /* OPAL_ENABLE_DEBUG */
/*
* Debug version of malloc
*/
void *opal_malloc(size_t size, const char *file, int line)
{
void *addr;
#if OPAL_ENABLE_DEBUG
if (opal_malloc_debug_level > 1) {
if (size <= 0) {
opal_output(opal_malloc_output, "Request for %ld bytes (%s, %d)", (long) size, file,
line);
}
}
#endif /* OPAL_ENABLE_DEBUG */
addr = malloc(size);
#if OPAL_ENABLE_DEBUG
if (opal_malloc_debug_level > 0) {
if (NULL == addr) {
opal_output(opal_malloc_output, "Request for %ld bytes failed (%s, %d)", (long) size,
file, line);
}
}
#endif /* OPAL_ENABLE_DEBUG */
return addr;
}
/*
* Debug version of calloc
*/
void *opal_calloc(size_t nmembers, size_t size, const char *file, int line)
{
void *addr;
#if OPAL_ENABLE_DEBUG
if (opal_malloc_debug_level > 1) {
if (size <= 0) {
opal_output(opal_malloc_output, "Request for %ld zeroed elements of size %ld (%s, %d)",
(long) nmembers, (long) size, file, line);
}
}
#endif /* OPAL_ENABLE_DEBUG */
addr = calloc(nmembers, size);
#if OPAL_ENABLE_DEBUG
if (opal_malloc_debug_level > 0) {
if (NULL == addr) {
opal_output(opal_malloc_output,
"Request for %ld zeroed elements of size %ld failed (%s, %d)",
(long) nmembers, (long) size, file, line);
}
}
#endif /* OPAL_ENABLE_DEBUG */
return addr;
}
/*
* Debug version of realloc
*/
void *opal_realloc(void *ptr, size_t size, const char *file, int line)
{
void *addr;
#if OPAL_ENABLE_DEBUG
if (opal_malloc_debug_level > 1) {
if (size <= 0) {
if (NULL == ptr) {
opal_output(opal_malloc_output, "Realloc NULL for %ld bytes (%s, %d)", (long) size,
file, line);
} else {
opal_output(opal_malloc_output, "Realloc %p for %ld bytes (%s, %d)", ptr,
(long) size, file, line);
}
}
}
#endif /* OPAL_ENABLE_DEBUG */
addr = realloc(ptr, size);
#if OPAL_ENABLE_DEBUG
if (opal_malloc_debug_level > 0) {
if (NULL == addr) {
opal_output(opal_malloc_output, "Realloc %p for %ld bytes failed (%s, %d)", ptr,
(long) size, file, line);
}
}
#endif /* OPAL_ENABLE_DEBUG */
return addr;
}
/*
* Debug version of free
*/
void opal_free(void *addr, const char *file, int line)
{
free(addr);
}
void opal_malloc_debug(int level)
{
#if OPAL_ENABLE_DEBUG
opal_malloc_debug_level = level;
#endif /* OPAL_ENABLE_DEBUG */
}
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