| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % TTTTT H H RRRR EEEEE AAA DDDD % |
| % T H H R R E A A D D % |
| % T HHHHH RRRR EEE AAAAA D D % |
| % T H H R R E A A D D % |
| % T H H R R EEEEE A A DDDD % |
| % % |
| % % |
| % MagickCore Thread Methods % |
| % % |
| % Software Design % |
| % John Cristy % |
| % March 2003 % |
| % % |
| % % |
| % Copyright 1999-2013 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 % |
| % % |
| % 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. % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % |
| */ |
| |
| /* |
| Include declarations. |
| */ |
| #include "MagickCore/studio.h" |
| #include "MagickCore/memory_.h" |
| #include "MagickCore/thread_.h" |
| #include "MagickCore/thread-private.h" |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % M a g i c k C r e a t e T h r e a d K e y % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % MagickCreateThreadKey() creates a thread key and returns it. |
| % |
| % The format of the MagickCreateThreadKey method is: |
| % |
| % MagickThreadKey MagickCreateThreadKey(MagickThreadKey *key) |
| % |
| */ |
| MagickExport MagickBooleanType MagickCreateThreadKey(MagickThreadKey *key) |
| { |
| #if defined(MAGICKCORE_THREAD_SUPPORT) |
| return(pthread_key_create(key,NULL) == 0 ? MagickTrue : MagickFalse); |
| #elif defined(MAGICKCORE_HAVE_WINTHREADS) |
| *key=TlsAlloc(); |
| return(*key != TLS_OUT_OF_INDEXES ? MagickTrue : MagickFalse); |
| #else |
| *key=AcquireMagickMemory(sizeof(key)); |
| return(*key != (void *) NULL ? MagickTrue : MagickFalse); |
| #endif |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % M a g i c k D e l e t e T h r e a d K e y % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % MagickDeleteThreadKey() deletes a thread key. |
| % |
| % The format of the AcquireAESInfo method is: |
| % |
| % MagickBooleanType MagickDeleteThreadKey(MagickThreadKey key) |
| % |
| % A description of each parameter follows: |
| % |
| % o key: the thread key. |
| % |
| */ |
| MagickExport MagickBooleanType MagickDeleteThreadKey(MagickThreadKey key) |
| { |
| #if defined(MAGICKCORE_THREAD_SUPPORT) |
| return(pthread_key_delete(key) == 0 ? MagickTrue : MagickFalse); |
| #elif defined(MAGICKCORE_HAVE_WINTHREADS) |
| return(TlsFree(key) != 0 ? MagickTrue : MagickFalse); |
| #else |
| key=(MagickThreadKey) RelinquishMagickMemory(key); |
| return(MagickTrue); |
| #endif |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % M a g i c k G e t T h r e a d V a l u e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % MagickGetThreadValue() returns a value associated with the thread key. |
| % |
| % The format of the MagickGetThreadValue method is: |
| % |
| % void *MagickGetThreadValue(MagickThreadKey key) |
| % |
| % A description of each parameter follows: |
| % |
| % o key: the thread key. |
| % |
| */ |
| MagickExport void *MagickGetThreadValue(MagickThreadKey key) |
| { |
| #if defined(MAGICKCORE_THREAD_SUPPORT) |
| return(pthread_getspecific(key)); |
| #elif defined(MAGICKCORE_HAVE_WINTHREADS) |
| return(TlsGetValue(key)); |
| #else |
| return((void *) (*key)); |
| #endif |
| } |
| |
| /* |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % % |
| % % |
| % % |
| % M a g i c k S e t T h r e a d V a l u e % |
| % % |
| % % |
| % % |
| %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| % |
| % MagickSetThreadValue() associates a value with the thread key. |
| % |
| % The format of the MagickSetThreadValue method is: |
| % |
| % MagickBooleanType MagickSetThreadValue(MagickThreadKey key, |
| % const void *value) |
| % |
| % A description of each parameter follows: |
| % |
| % o key: the thread key. |
| % |
| % o value: the value |
| % |
| */ |
| MagickExport MagickBooleanType MagickSetThreadValue(MagickThreadKey key, |
| const void *value) |
| { |
| #if defined(MAGICKCORE_THREAD_SUPPORT) |
| return(pthread_setspecific(key,value) == 0 ? MagickTrue : MagickFalse); |
| #elif defined(MAGICKCORE_HAVE_WINTHREADS) |
| return(TlsSetValue(key,(void *) value) != 0 ? MagickTrue : MagickFalse); |
| #else |
| *key=(size_t) value; |
| return(MagickTrue); |
| #endif |
| } |