155 строки
4.6 KiB
C
155 строки
4.6 KiB
C
/*
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* Copyright (c) 2004-2005 The Trustees of Indiana University.
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* All rights reserved.
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* Copyright (c) 2004-2005 The Trustees of the University of Tennessee.
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* All rights 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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/** @file */
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#ifndef OMPI_MALLOC_H
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#define OMPI_MALLOC_H
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#include <stdlib.h>
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/*
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* THIS FILE CANNOT INCLUDE ANY OTHER OMPI HEADER FILES!!!
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*
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* It is included via <ompi_config_bottom.h>. Hence, it should not
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* include ANY other files, nor should it include "ompi_config.h".
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*
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*/
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/*
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* Set OMPI_MALLOC_DEBUG_LEVEL to
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* 0 for no checking
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* 1 for basic error checking
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* 2 for more error checking
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*/
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#ifndef OMPI_MALLOC_DEBUG_LEVEL
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#define OMPI_MALLOC_DEBUG_LEVEL 2
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#endif
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#if defined(c_plusplus) || defined(__cplusplus)
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extern "C" {
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#endif
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/**
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* Initialize malloc debug output.
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*
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* This function is invoked to setup a dedicated output stream for
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* malloc debug functions. It does \em not (currently) do anything
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* other than that (i.e., no internal accounting for tracking
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* malloc/free statements, etc.).
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*
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* It is invoked as part of ompi_init(). Although this function is
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* not \em necessary for OMPI_MALLOC() and OMPI_FREE(), it is strong
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* recommended because no output messages -- regardless of the
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* malloc debug level set by ompi_malloc_debug() -- will be displayed
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* unless this function is invoked first.
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*/
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void ompi_malloc_init(void);
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/**
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* Shut down malloc debug output.
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*
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* This function is invoked as part of ompi_finalize() to shut down the
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* output stream for malloc debug messages.
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*/
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void ompi_malloc_finalize(void);
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/**
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* \internal
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*
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* Back-end error-checking malloc function for OMPI (you should use
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* the normal malloc() instead of this function).
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*
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* @param size The number of bytes to allocate
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* @param file Typically the __FILE__ macro
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* @param line Typically the __LINE__ macro
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*
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* This function is only used when --enable-mem-debug was specified to
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* configure (or by default if you're building in a SVN checkout).
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*/
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OMPI_DECLSPEC void *ompi_malloc(size_t size, const char *file, int line);
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/**
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* \internal
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*
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* Back-end error-checking calloc function for OMPI (you should use
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* the normal calloc() instead of this function).
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*
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* @param nmembers Number of elements to malloc
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* @param size Size of each elements
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* @param file Typically the __FILE__ macro
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* @param line Typically the __LINE__ macro
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*
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* This function is only used when --enable-mem-debug was specified to
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* configure (or by default if you're building in a SVN checkout).
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*/
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OMPI_DECLSPEC void *ompi_calloc(size_t nmembers, size_t size, const char *file, int line);
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/**
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* \internal
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*
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* Back-end error-checking realloc function for OMPI (you should use
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* the normal realloc() instead of this function).
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*
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* @param ptr Pointer to reallocate
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* @param size The number of bytes to allocate
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* @param file Typically the __FILE__ macro
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* @param line Typically the __LINE__ macro
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*
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* This function is only used when --enable-mem-debug was specified to
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* configure (or by default if you're building in a SVN checkout).
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*/
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OMPI_DECLSPEC void *ompi_realloc(void *ptr, size_t size, const char *file, int line);
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/**
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* \internal
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*
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* Back-end error-checking free function for OMPI (you should use
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* free() instead of this function).
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*
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* @param addr Address on the heap to free()
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* @param file Typically the __FILE__ macro
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* @param line Typically the __LINE__ macro
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*
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* This function is only used when --enable-mem-debug was specified
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* to configure (or by default if you're building in a SVN
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* checkout).
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*/
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OMPI_DECLSPEC void ompi_free(void *addr, const char *file, int line);
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OMPI_DECLSPEC extern int ompi_malloc_debug_level;
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OMPI_DECLSPEC extern int ompi_malloc_output;
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static inline void ompi_malloc_debug(int level);
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/**
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* Used to set the debug level for malloc debug.
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*
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* @param level The level of debugging (0 = none, 1 = some, 2 = more)
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*
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* This value defaults to the OMPI_MALLOC_DEBUG_LEVEL.
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*/
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static inline void ompi_malloc_debug(int level)
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{
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ompi_malloc_debug_level = level;
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}
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#if defined(c_plusplus) || defined(__cplusplus)
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}
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#endif
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#endif /* OMPI_MALLOC_H */
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