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90 lines
2.3 KiB
C++
90 lines
2.3 KiB
C++
/*
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* Copyright (c) 2005, Eric Crahen
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is furnished
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* to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#include "zthread/SynchronousExecutor.h"
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namespace ZThread {
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SynchronousExecutor::SynchronousExecutor()
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: _canceled(false) {}
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SynchronousExecutor::~SynchronousExecutor() {
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}
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void SynchronousExecutor::cancel() {
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Guard<Mutex> g(_lock);
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_canceled = true;
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}
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bool SynchronousExecutor::isCanceled() {
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Guard<Mutex> g(_lock);
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return _canceled;
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}
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void SynchronousExecutor::interrupt() {
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}
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void SynchronousExecutor::execute(const Task& task) {
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// Canceled Executors will not accept new tasks, quick
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// check to avoid excessive locking in the canceled state
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if(_canceled)
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throw Cancellation_Exception();
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Guard<Mutex> g(_lock);
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if(_canceled) // Double check
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throw Cancellation_Exception();
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// Run the task.
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Task(task)->run();
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}
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void SynchronousExecutor::wait() {
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if(Thread::interrupted())
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throw Interrupted_Exception();
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Guard<Mutex> g(_lock);
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}
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/**
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* @see Executor::wait(unsigned long)
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*/
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bool SynchronousExecutor::wait(unsigned long) {
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if(Thread::interrupted())
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throw Interrupted_Exception();
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Guard<Mutex> g(_lock);
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return true;
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}
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}
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