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Diffstat (limited to 'dep/src/zthread/macos/ThreadOps.cxx')
-rw-r--r-- | dep/src/zthread/macos/ThreadOps.cxx | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/dep/src/zthread/macos/ThreadOps.cxx b/dep/src/zthread/macos/ThreadOps.cxx new file mode 100644 index 00000000000..6a1a4106877 --- /dev/null +++ b/dep/src/zthread/macos/ThreadOps.cxx @@ -0,0 +1,103 @@ +/* + * Copyright (c) 2005, Eric Crahen + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is furnished + * to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + */ + + +#include "ThreadOps.h" +#include "zthread/Exceptions.h" +#include "zthread/Runnable.h" + +namespace ZThread { + +const ThreadOps ThreadOps::INVALID(0); + +ThreadOps::ThreadOps() : _queue(0), _tid(0) { + + if(MPCreateQueue(&_queue) != noErr) + throw Initialization_Exception(); + +} + +ThreadOps::~ThreadOps() throw() { + + if(_queue != 0) { + + OSStatus status = MPDeleteQueue(_queue); + if(status != noErr) + assert(0); + + } + +} + +bool ThreadOps::join(ThreadOps* ops) { + + assert(ops); + assert(ops->_tid != 0); + + OSStatus status = MPWaitOnQueue(ops->_queue, NULL, NULL, NULL, kDurationForever); + + return status == noErr; + +} + +bool ThreadOps::yield() { + + MPYield(); + return true; + +} + +bool ThreadOps::setPriority(ThreadOps* impl, Priority p) { + return true; +} + +bool ThreadOps::getPriority(ThreadOps* impl, Priority& p) { + return true; +} + + +bool ThreadOps::spawn(Runnable* task) { + + OSStatus status = + MPCreateTask(&_dispatch, task, 0UL, _queue, NULL, NULL, 0UL, &_tid); + + return status == noErr; + +} + +OSStatus ThreadOps::_dispatch(void *arg) { + + Runnable* task = reinterpret_cast<Runnable*>(arg); + assert(task); + + // Run the task from the correct context + task->run(); + + // Exit the thread + MPExit(noErr); + return noErr; + +} + +} // namespace ZThread + + |