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/*
Copyright 1999-2010 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.
obtain a copy of the License at
http://www.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
#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif
#include "magick/thread-private.h"
static inline RandomInfo **DestroyRandomInfoThreadSet(
RandomInfo **random_info)
{
register long
i;
assert(random_info != (RandomInfo **) NULL);
for (i=0; i < (long) GetOpenMPMaximumThreads(); i++)
if (random_info[i] != (RandomInfo *) NULL)
random_info[i]=DestroyRandomInfo(random_info[i]);
return((RandomInfo **) RelinquishAlignedMemory(random_info));
}
static inline RandomInfo **AcquireRandomInfoThreadSet(void)
{
register long
i;
RandomInfo
**random_info;
unsigned long
number_threads;
number_threads=GetOpenMPMaximumThreads();
random_info=(RandomInfo **) AcquireAlignedMemory(number_threads,
sizeof(*random_info));
if (random_info == (RandomInfo **) NULL)
return((RandomInfo **) NULL);
(void) ResetMagickMemory(random_info,0,number_threads*sizeof(*random_info));
for (i=0; i < (long) number_threads; i++)
{
random_info[i]=AcquireRandomInfo();
if (random_info[i] == (RandomInfo *) NULL)
return(DestroyRandomInfoThreadSet(random_info));
}
return(random_info);
}
#if defined(__cplusplus) || defined(c_plusplus)
}
#endif
#endif