MagickCore  6.9.10
Convert, Edit, Or Compose Bitmap Images
random-private.h
Go to the documentation of this file.
1 /*
2  Copyright 1999-2019 ImageMagick Studio LLC, a non-profit organization
3  dedicated to making software imaging solutions freely available.
4 
5  You may not use this file except in compliance with the License.
6  obtain a copy of the License at
7 
8  https://imagemagick.org/script/license.php
9 
10  Unless required by applicable law or agreed to in writing, software
11  distributed under the License is distributed on an "AS IS" BASIS,
12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  See the License for the specific language governing permissions and
14  limitations under the License.
15 
16  MagickCore random generation private methods.
17 */
18 #ifndef MAGICKCORE_RANDOM_PRIVATE_H
19 #define MAGICKCORE_RANDOM_PRIVATE_H
20 
21 #include "magick/thread-private.h"
22 
23 #if defined(__cplusplus) || defined(c_plusplus)
24 extern "C" {
25 #endif
26 
29 {
30  register ssize_t
31  i;
32 
33  assert(random_info != (RandomInfo **) NULL);
34  for (i=0; i < (ssize_t) GetMagickResourceLimit(ThreadResource); i++)
35  if (random_info[i] != (RandomInfo *) NULL)
38 }
39 
41 {
42  register ssize_t
43  i;
44 
46  **random_info;
47 
48  size_t
49  number_threads;
50 
51  number_threads=(size_t) GetMagickResourceLimit(ThreadResource);
52  random_info=(RandomInfo **) AcquireAlignedMemory(number_threads,
53  sizeof(*random_info));
54  if (random_info == (RandomInfo **) NULL)
55  ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
56  (void) memset(random_info,0,number_threads*sizeof(*random_info));
57  for (i=0; i < (ssize_t) number_threads; i++)
59  return(random_info);
60 }
61 
62 extern MagickExport unsigned long
64 
65 extern MagickExport double
67 
68 #if defined(__cplusplus) || defined(c_plusplus)
69 }
70 #endif
71 
72 #endif
#define ThrowFatalException(severity, tag)
Definition: exception-private.h:42
@ ResourceLimitFatalError
Definition: exception.h:78
MagickExport void * AcquireAlignedMemory(const size_t count, const size_t quantum)
Definition: memory.c:243
MagickExport void * RelinquishAlignedMemory(void *memory)
Definition: memory.c:1040
#define MagickExport
Definition: method-attribute.h:80
MagickExport unsigned long * GetRandomInfoSeed(RandomInfo *)
Definition: random.c:682
MagickExport double GetRandomInfoNormalize(const RandomInfo *)
Definition: random.c:654
static RandomInfo ** DestroyRandomInfoThreadSet(RandomInfo **random_info)
Definition: random-private.h:27
static RandomInfo ** AcquireRandomInfoThreadSet(void)
Definition: random-private.h:40
MagickExport RandomInfo * AcquireRandomInfo(void)
Definition: random.c:160
MagickExport RandomInfo * DestroyRandomInfo(RandomInfo *random_info)
Definition: random.c:272
static RandomInfo * random_info
Definition: resource.c:110
MagickExport MagickSizeType GetMagickResourceLimit(const ResourceType type)
Definition: resource.c:771
@ ThreadResource
Definition: resource_.h:33
Definition: random.c:77