MagickCore  6.9.7
memory-private.h
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1 /*
2  Copyright 1999-2017 ImageMagick Studio LLC, a non-profit organization
3  dedicated to making software imaging solutions freely available.
4 
5  You may not use this file except in compliance with the License.
6  obtain a copy of the License at
7 
8  http://www.imagemagick.org/script/license.php
9 
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.
15 
16  MagickCore private memory methods.
17 */
18 #ifndef MAGICKCORE_MEMORY_PRIVATE_H
19 #define MAGICKCORE_MEMORY_PRIVATE_H
20 
21 #if defined(__cplusplus) || defined(c_plusplus)
22 extern "C" {
23 #endif
24 
25 #if defined(__powerpc__)
26 # define CACHE_LINE_SIZE 128
27 #else
28 # define CACHE_LINE_SIZE 64
29 #endif
30 
31 #define CacheAlign(size) ((size) < CACHE_LINE_SIZE ? CACHE_LINE_SIZE : (size))
32 
33 #if (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 6))
34 #if !defined(__ICC)
35 #define MagickAssumeAligned(address) \
36  __builtin_assume_aligned((address),CACHE_LINE_SIZE)
37 #else
38 #define MagickAssumeAligned(address) (address)
39 #endif
40 #else
41 #define MagickAssumeAligned(address) (address)
42 #endif
43 
45  HeapOverflowSanityCheck(const size_t,const size_t) magick_alloc_sizes(1,2);
46 
47 static inline void *AcquireCriticalMemory(const size_t size)
48 {
49  register void
50  *memory;
51 
52  /*
53  Fail if memory request cannot be fulfilled.
54  */
55  memory=AcquireMagickMemory(size);
56  if (memory == (void *) NULL)
57  ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
58  return(memory);
59 }
60 
61 #if defined(__cplusplus) || defined(c_plusplus)
62 }
63 #endif
64 
65 #endif
#define ThrowFatalException(severity, tag)
Definition: exception-private.h:36
Definition: exception.h:78
MagickBooleanType
Definition: magick-type.h:215
MagickExport MagickBooleanType static void * AcquireCriticalMemory(const size_t size)
Definition: memory-private.h:47
MagickExport void * AcquireMagickMemory(const size_t size)
Definition: memory.c:455
MagickExport MagickBooleanType HeapOverflowSanityCheck(const size_t, const size_t) magick_alloc_sizes(1
#define MagickExport
Definition: method-attribute.h:98
#define magick_alloc_sizes(x, y)
Definition: method-attribute.h:131