mirror of
https://github.com/ImageMagick/ImageMagick.git
synced 2026-05-25 11:24:54 +02:00
Dirk Lemstra
73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
/*
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Copyright @ 1999 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/license/
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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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#include "MagickCore/magick-config.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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#if defined(__powerpc__)
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# define CACHE_LINE_SIZE (16 * MAGICKCORE_SIZEOF_VOID_P)
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#else
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# define CACHE_LINE_SIZE (8 * MAGICKCORE_SIZEOF_VOID_P)
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#endif
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#define CACHE_ALIGNED(n) MAGICKCORE_ALIGN_UP(n,CACHE_LINE_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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static inline size_t OverAllocateMemory(const size_t length)
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{
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size_t
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extent;
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/*
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Over allocate memory, typically used when concatenating strings.
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*/
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extent=length;
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if (extent < 131072)
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for (extent=256; extent < length; extent*=2);
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return(extent);
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}
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extern MagickPrivate MagickBooleanType
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ShredMagickMemory(void *,const size_t);
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extern MagickPrivate void
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ResetVirtualAnonymousMemory(void),
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SetMaxMemoryRequest(const MagickSizeType),
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SetMaxProfileSize(const MagickSizeType);
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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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