/usr/include/zthread/Executor.h is in libzthread-dev 2.3.2-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* 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.
*
*/
#ifndef __ZTEXECUTOR_H__
#define __ZTEXECUTOR_H__
#include "zthread/Thread.h"
#include "zthread/Waitable.h"
namespace ZThread {
/**
* @class Executor
*
* @author Eric Crahen <http://www.code-foo.com>
* @date <2003-07-16T22:39:39-0400>
* @version 2.3.0
*
* Execeutors are an implementation of the Executor pattern. This is
* a more versatile construct than a thread pool. A paper describing can
* be found in the proceedings of the 2002 VikingPLOP conference.
*
* <b>Executing</b>
*
* - <em>execute</em>()ing task with an Executor will submit the task, scheduling
* it for execution at some future time depending on the Executor being used.
*
* <b>Disabling</b>
*
* - <em>cancel</em>()ing an Executor will cause it to stop accepting
* new tasks.
*
* <b>Interrupting</b>
*
* - <em>interrupt</em>()ing an Executor will cause the any thread running
* a task which was submitted prior to the invocation of this function to
* be interrupted during the execution of that task.
*
* <b>Waiting</b>
*
* - <em>wait</em>()ing on a PoolExecutor will block the calling thread
* until all tasks that were submitted prior to the invocation of this function
* have completed.
*
* @see Cancelable
* @see Waitable
*/
class Executor : public Cancelable, public Waitable, private NonCopyable {
public:
/**
* If supported by the Executor, interrupt all tasks submitted prior to
* the invocation of this function.
*/
virtual void interrupt() = 0;
/**
* Submit a task to this Executor.
*
* @param task Task to be run by a thread managed by this executor
*
* @pre The Executor should have been canceled prior to this invocation.
* @post The submitted task will be run at some point in the future by this Executor.
*
* @exception Cancellation_Exception thrown if the Executor was canceled prior to
* the invocation of this function.
*/
virtual void execute(const Task& task) = 0;
};
} // namespace ZThread
#endif // __ZTEXECUTOR_H__
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