1 /* 2 Copyright 1999-2019 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. You may 6 obtain a copy of the License at 7 8 https://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 #include "MagickCore/exception-private.h" 26 27 #if defined(__powerpc__) 28 # define CACHE_LINE_SIZE (16*sizeof(void *)) 29 #else 30 # define CACHE_LINE_SIZE (8*sizeof(void *)) 31 #endif 32 33 #define CacheAlign(size) ((size) < CACHE_LINE_SIZE ? CACHE_LINE_SIZE : (size)) 34 35 #if (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 6)) 36 #if !defined(__ICC) 37 #define MagickAssumeAligned(address) \ 38 __builtin_assume_aligned((address),CACHE_LINE_SIZE) 39 #else 40 #define MagickAssumeAligned(address) (address) 41 #endif 42 #else 43 #define MagickAssumeAligned(address) (address) 44 #endif 45 46 MagickExport MagickBooleanType 47 HeapOverflowSanityCheck(const size_t,const size_t) magick_alloc_sizes(1,2); 48 49 MagickExport size_t 50 GetMaxMemoryRequest(void); 51 52 extern MagickPrivate void 53 ResetMaxMemoryRequest(void), 54 ResetVirtualAnonymousMemory(void); 55 AcquireCriticalMemory(const size_t size)56static inline void *AcquireCriticalMemory(const size_t size) 57 { 58 register void 59 *memory; 60 61 /* 62 Fail if memory request cannot be fulfilled. 63 */ 64 memory=AcquireMagickMemory(size); 65 if (memory == (void *) NULL) 66 ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed"); 67 return(memory); 68 } 69 70 #if defined(__cplusplus) || defined(c_plusplus) 71 } 72 #endif 73 74 #endif 75