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102 lines
3.9 KiB
C++
102 lines
3.9 KiB
C++
/* cilk_malloc.h -*-C++-*-
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*
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*************************************************************************
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*
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* Copyright (C) 2009-2016, Intel Corporation
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
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* WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* *********************************************************************
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*
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* PLEASE NOTE: This file is a downstream copy of a file mainitained in
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* a repository at cilkplus.org. Changes made to this file that are not
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* submitted through the contribution process detailed at
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* http://www.cilkplus.org/submit-cilk-contribution will be lost the next
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* time that a new version is released. Changes only submitted to the
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* GNU compiler collection or posted to the git repository at
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* https://bitbucket.org/intelcilkruntime/intel-cilk-runtime.git are
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* not tracked.
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*
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* We welcome your contributions to this open source project. Thank you
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* for your assistance in helping us improve Cilk Plus.
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**************************************************************************/
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/**
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* @file cilk_malloc.h
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*
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* @brief Provides replacement memory allocation functions to allocate
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* (and free) memory on cache line boundaries, if supported by the OS.
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*
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* If aligned memory functions are not provided by the OS, the calls just
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* pass through to the standard memory allocation functions.
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*/
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#ifndef INCLUDED_CILK_MALLOC_DOT_H
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#define INCLUDED_CILK_MALLOC_DOT_H
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#include <cilk/common.h>
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#include <stddef.h>
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#include "rts-common.h"
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__CILKRTS_BEGIN_EXTERN_C
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/**
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* malloc replacement function to allocate memory aligned on a cache line
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* boundary if aligned memory allocations are supported by the OS.
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*
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* @param size Number of bytes to allocate.
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*
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* @return pointer to memory block allocated, or NULL if unsuccessful.
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*/
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COMMON_PORTABLE void *__cilkrts_malloc(size_t size);
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/**
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* realloc replacement function to allocate memory aligned on a cache line
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* boundary if aligned memory allocations are supported by the OS.
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*
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* @param ptr Block to be reallocated.
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* @param size Number of bytes to allocate.
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*
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* @return pointer to memory block allocated, or NULL if unsuccessful.
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*/
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COMMON_PORTABLE void *__cilkrts_realloc(void *ptr, size_t size);
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/**
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* free replacement function to deallocate memory aligned on a cache line
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* boundary if aligned memory allocations are supported by the OS.
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*
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* @param ptr Block to be freed.
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*/
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COMMON_PORTABLE void __cilkrts_free(void *ptr);
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__CILKRTS_END_EXTERN_C
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#endif // ! defined(INCLUDED_CILK_MALLOC_DOT_H)
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