2 Copyright 1999-2018 ImageMagick Studio LLC, a non-profit organization
3 dedicated to making software imaging solutions freely available.
5 You may not use this file except in compliance with the License.
6 obtain a copy of the License at
8 https://www.imagemagick.org/script/license.php
10 Unless required by applicable law or agreed to in writing, software
11 distributed under the License is distributed on an "AS IS" BASIS,
12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 See the License for the specific language governing permissions and
14 limitations under the License.
16 MagickCore private memory methods.
18 #ifndef MAGICKCORE_MEMORY_PRIVATE_H
19 #define MAGICKCORE_MEMORY_PRIVATE_H
21 #if defined(__cplusplus) || defined(c_plusplus)
25 #include "MagickCore/exception-private.h"
27 #if defined(__powerpc__)
28 # define CACHE_LINE_SIZE 128
30 # define CACHE_LINE_SIZE 64
33 #define CacheAlign(size) ((size) < CACHE_LINE_SIZE ? CACHE_LINE_SIZE : (size))
35 #if (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 6))
37 #define MagickAssumeAligned(address) \
38 __builtin_assume_aligned((address),CACHE_LINE_SIZE)
40 #define MagickAssumeAligned(address) (address)
43 #define MagickAssumeAligned(address) (address)
46 MagickExport MagickBooleanType
47 HeapOverflowSanityCheck(const size_t,const size_t) magick_alloc_sizes(1,2);
50 GetMaxMemoryRequest(void);
52 extern MagickPrivate void
53 ResetMaxMemoryRequest(void),
54 ResetVirtualAnonymousMemory(void);
56 static inline void *AcquireCriticalMemory(const size_t size)
62 Fail if memory request cannot be fulfilled.
64 memory=AcquireMagickMemory(size);
65 if (memory == (void *) NULL)
66 ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
70 #if defined(__cplusplus) || defined(c_plusplus)