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85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
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/* cilk_malloc.c -*-C-*-
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*
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*************************************************************************
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*
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* @copyright
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* Copyright (C) 2009-2013, Intel Corporation
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* All rights reserved.
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*
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* @copyright
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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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* @copyright
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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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#include "cilk_malloc.h"
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#include <stdlib.h>
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#if defined _WIN32 || defined _WIN64 || defined __linux__
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#include <malloc.h>
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#define HAS_MEMALIGN 1
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#endif
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#ifdef __VXWORKS__
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#define HAS_MEMALIGN 1
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#include <memLib.h>
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#endif
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#define PREFERRED_ALIGNMENT 64 /* try to keep runtime system data
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structures within one cache line */
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void *__cilkrts_malloc(size_t size)
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{
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/* TODO: check for out of memory */
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#ifdef _WIN32
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return _aligned_malloc(size, PREFERRED_ALIGNMENT);
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#elif defined HAS_MEMALIGN
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return memalign(PREFERRED_ALIGNMENT, size);
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#else
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return malloc(size);
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#endif
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}
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void *__cilkrts_realloc(void *ptr, size_t size)
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{
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#ifdef _WIN32
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return _aligned_realloc(ptr, size, PREFERRED_ALIGNMENT);
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#else
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return realloc(ptr, size);
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#endif
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}
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void __cilkrts_free(void *ptr)
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{
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#ifdef _WIN32
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_aligned_free(ptr);
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#else
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free(ptr);
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#endif
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}
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/* End cilk_malloc.c */
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