forked from openkylin/imagemagick
73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
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/*
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Copyright 1999-2021 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 random generation private methods.
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*/
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#ifndef MAGICKCORE_RANDOM_PRIVATE_H
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#define MAGICKCORE_RANDOM_PRIVATE_H
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#include "magick/thread-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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static inline RandomInfo **DestroyRandomInfoThreadSet(
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RandomInfo **random_info)
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{
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ssize_t
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i;
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assert(random_info != (RandomInfo **) NULL);
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for (i=0; i < (ssize_t) GetMagickResourceLimit(ThreadResource); i++)
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if (random_info[i] != (RandomInfo *) NULL)
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random_info[i]=DestroyRandomInfo(random_info[i]);
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return((RandomInfo **) RelinquishAlignedMemory(random_info));
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}
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static inline RandomInfo **AcquireRandomInfoThreadSet(void)
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{
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ssize_t
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i;
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RandomInfo
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**random_info;
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size_t
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number_threads;
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number_threads=(size_t) GetMagickResourceLimit(ThreadResource);
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random_info=(RandomInfo **) AcquireAlignedMemory(number_threads,
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sizeof(*random_info));
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if (random_info == (RandomInfo **) NULL)
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ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
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(void) memset(random_info,0,number_threads*sizeof(*random_info));
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for (i=0; i < (ssize_t) number_threads; i++)
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random_info[i]=AcquireRandomInfo();
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return(random_info);
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}
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extern MagickExport unsigned long
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*GetRandomInfoSeed(RandomInfo *);
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extern MagickExport double
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GetRandomInfoNormalize(const RandomInfo *);
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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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