minwin-gcc-5-2/libcilkrts/runtime/cilk_malloc.c

/* cilk_malloc.c                  -*-C-*-
 *
 *************************************************************************
 *
 *  @copyright
 *  Copyright (C) 2009-2013, Intel Corporation
 *  All rights reserved.
 *  
 *  @copyright
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions
 *  are met:
 *  
 *    * Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *    * Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in
 *      the documentation and/or other materials provided with the
 *      distribution.
 *    * Neither the name of Intel Corporation nor the names of its
 *      contributors may be used to endorse or promote products derived
 *      from this software without specific prior written permission.
 *  
 *  @copyright
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 *  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 *  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 *  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 *  HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
 *  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
 *  AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 *  LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
 *  WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 **************************************************************************/

#include "cilk_malloc.h"

#include <stdlib.h>
#if defined _WIN32 || defined _WIN64 || defined __linux__
#include <malloc.h>
#define HAS_MEMALIGN 1
#endif
#ifdef __VXWORKS__
#define HAS_MEMALIGN 1
#include <memLib.h>
#endif

#define PREFERRED_ALIGNMENT 64  /* try to keep runtime system data
                                   structures within one cache line */

void *__cilkrts_malloc(size_t size)
{
    /* TODO: check for out of memory */
#ifdef _WIN32
    return _aligned_malloc(size, PREFERRED_ALIGNMENT);
#elif defined HAS_MEMALIGN
    return memalign(PREFERRED_ALIGNMENT, size);
#else
    return malloc(size);
#endif
}

void *__cilkrts_realloc(void *ptr, size_t size)
{
#ifdef _WIN32
    return _aligned_realloc(ptr, size, PREFERRED_ALIGNMENT);
#else
    return realloc(ptr, size);
#endif
}

void __cilkrts_free(void *ptr)
{
#ifdef _WIN32
    _aligned_free(ptr);
#else
    free(ptr);
#endif
}

/* End cilk_malloc.c */