1/**************************************************************************
2 *
3 * Copyright 2008-2010 VMware, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28
29/*
30 * OS memory management abstractions for the standard C library.
31 */
32
33
34#ifndef _OS_MEMORY_H_
35#error "Must not be included directly. Include os_memory.h instead"
36#endif
37
38#include <stdlib.h>
39
40#include "pipe/p_compiler.h"
41
42
43#define os_malloc(_size)  malloc(_size)
44#define os_calloc(_count, _size )  calloc(_count, _size )
45#define os_free(_ptr)  free(_ptr)
46
47#define os_realloc( _old_ptr, _old_size, _new_size) \
48   realloc(_old_ptr, _new_size + 0*(_old_size))
49
50
51#if defined(HAVE_POSIX_MEMALIGN)
52
53static INLINE void *
54os_malloc_aligned(size_t size, size_t alignment)
55{
56   void *ptr;
57   alignment = (alignment + sizeof(void*) - 1) & ~(sizeof(void*) - 1);
58   if(posix_memalign(&ptr, alignment, size) != 0)
59      return NULL;
60   return ptr;
61}
62
63#define os_free_aligned(_ptr) free(_ptr)
64
65#elif defined(PIPE_OS_WINDOWS)
66
67#include <malloc.h>
68
69#define os_malloc_aligned(_size, _align) _aligned_malloc(_size, _align)
70#define os_free_aligned(_ptr) _aligned_free(_ptr)
71
72#else
73
74#include "os_memory_aligned.h"
75
76#endif
77