/*
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Copyright 1999-2019 ImageMagick Studio LLC, a non-profit organization
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dedicated to making software imaging solutions freely available.
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You may not use this file except in compliance with the License. You may
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obtain a copy of the License at
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https://imagemagick.org/script/license.php
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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MagickCore private memory methods.
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*/
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#ifndef MAGICKCORE_MEMORY_PRIVATE_H
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#define MAGICKCORE_MEMORY_PRIVATE_H
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#if defined(__cplusplus) || defined(c_plusplus)
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extern "C" {
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#endif
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#include "MagickCore/exception-private.h"
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#if defined(__powerpc__)
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# define CACHE_LINE_SIZE (16*sizeof(void *))
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#else
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# define CACHE_LINE_SIZE (8*sizeof(void *))
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#endif
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#define CacheAlign(size) ((size) < CACHE_LINE_SIZE ? CACHE_LINE_SIZE : (size))
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#if (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 6))
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#if !defined(__ICC)
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#define MagickAssumeAligned(address) \
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__builtin_assume_aligned((address),CACHE_LINE_SIZE)
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#else
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#define MagickAssumeAligned(address) (address)
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#endif
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#else
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#define MagickAssumeAligned(address) (address)
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#endif
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MagickExport MagickBooleanType
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HeapOverflowSanityCheck(const size_t,const size_t) magick_alloc_sizes(1,2);
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MagickExport size_t
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GetMaxMemoryRequest(void);
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extern MagickPrivate void
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ResetMaxMemoryRequest(void),
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ResetVirtualAnonymousMemory(void);
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static inline void *AcquireCriticalMemory(const size_t size)
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{
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register void
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*memory;
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/*
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Fail if memory request cannot be fulfilled.
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*/
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memory=AcquireMagickMemory(size);
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if (memory == (void *) NULL)
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ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
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return(memory);
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}
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#if defined(__cplusplus) || defined(c_plusplus)
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}
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#endif
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#endif
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