/usr/include/zthread/ConcurrentExecutor.h is in libzthread-dev 2.3.2-8.
This file is owned by root:root, with mode 0o644.
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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 __ZTCONCURRENTEXECUTOR_H__
#define __ZTCONCURRENTEXECUTOR_H__
#include "zthread/PoolExecutor.h"
namespace ZThread {
/**
* @class ConcurrentExecutor
*
* @author Eric Crahen <http://www.code-foo.com>
* @date <2003-07-16T22:36:11-0400>
* @version 2.3.0
*
* A ConcurrentExecutor spawns a single thread to service a series of Tasks.
*
* @see PoolExecutor.
*/
class ConcurrentExecutor : public Executor {
PoolExecutor _executor;
public:
//! Create a ConcurrentExecutor
ConcurrentExecutor();
/**
* Interrupting a ConcurrentExecutor will cause the thread running the tasks to be
* be interrupted once during the execution of each task that has been submitted
* at the time this function is called.
*
* Tasks that are submitted after this function is called will
* not be interrupt()ed; unless this function is invoked again().
*
* @code
*
* void aFunction() {
*
* ConcurrentExecutor executor;
*
* // Submit p Tasks
* for(size_t n = 0; n < p; n++)
* executor.execute(new aRunnable);
*
* // Tasks [m, p) may be interrupted, where m is the first task that has
* // not completed at the time the interrupt() is invoked.
* executor.interrupt();
*
* // Submit (q - p) Tasks
* for(size_t n = p; n < q; n++)
* executor.execute(new Chore);
*
* // Tasks [p, q) are not interrupted
*
* }
*
* @endcode
*/
virtual void interrupt();
/**
* Submit a Task to this Executor. This will not block the current thread
* for very long. The task will be enqueued internally and eventually run
* in the context of the single thread driving all the Tasks submitted to this
* Executor.
*
* @exception Cancellation_Exception thrown if this Executor has been canceled.
* The Task being submitted will not be executed by this Executor.
*
* @exception Synchronization_Exception thrown only in the event of an error
* in the implementation of the library.
*
* @see Executor::execute(const Task&)
*/
virtual void execute(const Task&);
/**
* @see Cancelable::cancel()
*/
virtual void cancel();
/**
* @see Cancelable::isCanceled()
*/
virtual bool isCanceled();
/**
* @see PoolExecutor::wait()
*/
virtual void wait();
/**
* @see PoolExecutor::wait(unsigned long timeout)
*/
virtual bool wait(unsigned long timeout);
}; /* ConcurrentExecutor */
} // namespace ZThread
#endif // __ZTCONCURRENTEXECUTOR_H__
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