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random-private.h
/*
Copyright @ 1999 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 random generation private methods.
*/
#ifndef MAGICKCORE_RANDOM_PRIVATE_H
#define MAGICKCORE_RANDOM_PRIVATE_H
#include "MagickCore/thread-private.h"
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
extern MagickPrivate double
GetRandomInfoNormalize(const RandomInfo *);
extern MagickPrivate MagickBooleanType
RandomComponentGenesis(void);
extern MagickPrivate unsigned long
*GetRandomInfoSeed(RandomInfo *);
extern MagickPrivate void
RandomComponentTerminus(void);
static inline RandomInfo **DestroyRandomInfoTLS(RandomInfo **random_info)
{
ssize_t
i;
for (i=0; i < (ssize_t) GetMagickResourceLimit(ThreadResource); i++)
if (random_info[i] != (RandomInfo *) NULL)
random_info[i]=DestroyRandomInfo(random_info[i]);
return((RandomInfo **) RelinquishMagickMemory(random_info));
}
static inline RandomInfo **AcquireRandomInfoTLS(void)
{
ssize_t
i;
RandomInfo
**random_info;
size_t
number_threads;
number_threads=(size_t) GetMagickResourceLimit(ThreadResource);
random_info=(RandomInfo **) AcquireQuantumMemory(number_threads,
sizeof(*random_info));
if (random_info == (RandomInfo **) NULL)
ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
(void) memset(random_info,0,number_threads*sizeof(*random_info));
for (i=0; i < (ssize_t) number_threads; i++)
random_info[i]=AcquireRandomInfo();
return(random_info);
}
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif
_RandomInfo
Definition random.c:84