imagemagick/magick/memory-private.h

55 lines
1.5 KiB
C

/*
Copyright 1999-2021 ImageMagick Studio LLC, a non-profit organization
dedicated to making software imaging solutions freely available.
You may not use this file except in compliance with the License. You may
obtain a copy of the License at
https://imagemagick.org/script/license.php
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
MagickCore private memory methods.
*/
#ifndef MAGICKCORE_MEMORY_PRIVATE_H
#define MAGICKCORE_MEMORY_PRIVATE_H
#include "magick/magick-config.h"
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#if defined(__powerpc__)
# define CACHE_LINE_SIZE (16 * MAGICKCORE_SIZEOF_VOID_P)
#else
# define CACHE_LINE_SIZE (8 * MAGICKCORE_SIZEOF_VOID_P)
#endif
#define CACHE_ALIGNED(n) MAGICKCORE_ALIGN_UP(n,CACHE_LINE_SIZE)
#if (__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ > 6))
#if !defined(__ICC)
#define MagickAssumeAligned(address) \
__builtin_assume_aligned((address),CACHE_LINE_SIZE)
#else
#define MagickAssumeAligned(address) (address)
#endif
#else
#define MagickAssumeAligned(address) (address)
#endif
extern MagickPrivate void
ResetMaxMemoryRequest(void),
ResetVirtualAnonymousMemory(void);
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif