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/*
* Copyright (c) 2004-2007 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.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
/** @file */
#ifndef OPAL_MALLOC_H
#define OPAL_MALLOC_H
#include <stdio.h>
#include <stdlib.h>
/*
* THIS FILE CANNOT INCLUDE ANY OTHER OPAL HEADER FILES!!!
*
* It is included via <opal_config_bottom.h>. Hence, it should not
* include ANY other files, nor should it include "opal_config.h".
*
*/
/*
* Set OPAL_MALLOC_DEBUG_LEVEL to
* 0 for no checking
* 1 for basic error checking
* 2 for more error checking
*/
#ifndef OPAL_MALLOC_DEBUG_LEVEL
#define OPAL_MALLOC_DEBUG_LEVEL 2
#endif
BEGIN_C_DECLS
/**
* Initialize malloc debug output.
*
* This function is invoked to setup a dedicated output stream for
* malloc debug functions. It does \em not (currently) do anything
* other than that (i.e., no internal accounting for tracking
* malloc/free statements, etc.).
*
* It is invoked as part of opal_init(). Although this function is
* not \em necessary for OPAL_MALLOC() and OPAL_FREE(), it is strong
* recommended because no output messages -- regardless of the
* malloc debug level set by opal_malloc_debug() -- will be displayed
* unless this function is invoked first.
*/
void opal_malloc_init(void);
/**
* Shut down malloc debug output.
*
* This function is invoked as part of opal_finalize() to shut down the
* output stream for malloc debug messages.
*/
void opal_malloc_finalize(void);
/**
* \internal
*
* Back-end error-checking malloc function for OPAL (you should use
* the normal malloc() instead of this function).
*
* @param size The number of bytes to allocate
* @param file Typically the __FILE__ macro
* @param line Typically the __LINE__ macro
*
* This function is only used when --enable-mem-debug was specified to
* configure (or by default if you're building in a SVN checkout).
*/
OPAL_DECLSPEC void *opal_malloc(size_t size, const char *file, int line) __opal_attribute_malloc__ __opal_attribute_warn_unused_result__;
/**
* \internal
*
* Back-end error-checking calloc function for OPAL (you should use
* the normal calloc() instead of this function).
*
* @param nmembers Number of elements to malloc
* @param size Size of each elements
* @param file Typically the __FILE__ macro
* @param line Typically the __LINE__ macro
*
* This function is only used when --enable-mem-debug was specified to
* configure (or by default if you're building in a SVN checkout).
*/
OPAL_DECLSPEC void *opal_calloc(size_t nmembers, size_t size, const char *file, int line) __opal_attribute_malloc__ __opal_attribute_warn_unused_result__;
/**
* \internal
*
* Back-end error-checking realloc function for OPAL (you should use
* the normal realloc() instead of this function).
*
* @param ptr Pointer to reallocate
* @param size The number of bytes to allocate
* @param file Typically the __FILE__ macro
* @param line Typically the __LINE__ macro
*
* This function is only used when --enable-mem-debug was specified to
* configure (or by default if you're building in a SVN checkout).
*/
OPAL_DECLSPEC void *opal_realloc(void *ptr, size_t size, const char *file, int line) __opal_attribute_malloc__ __opal_attribute_warn_unused_result__;
/**
* \internal
*
* Back-end error-checking free function for OPAL (you should use
* free() instead of this function).
*
* @param addr Address on the heap to free()
* @param file Typically the __FILE__ macro
* @param line Typically the __LINE__ macro
*
* This function is only used when --enable-mem-debug was specified
* to configure (or by default if you're building in a SVN
* checkout).
*/
OPAL_DECLSPEC void opal_free(void *addr, const char *file, int line) __opal_attribute_nonnull__(1);
/**
* Used to set the debug level for malloc debug.
*
* @param level The level of debugging (0 = none, 1 = some, 2 = more)
*
* This value defaults to the OPAL_MALLOC_DEBUG_LEVEL.
*/
OPAL_DECLSPEC void opal_malloc_debug(int level);
END_C_DECLS
#endif /* OPAL_MALLOC_H */
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