forked from boostorg/beast
92 lines
2.5 KiB
C++
92 lines
2.5 KiB
C++
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//------------------------------------------------------------------------------
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/*
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This file is part of Beast: https://github.com/vinniefalco/Beast
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Copyright 2013, Vinnie Falco <vinnie.falco@gmail.com>
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#ifndef BEAST_VFLIB_THREADWITHSERVICEQUEUE_H_INCLUDED
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#define BEAST_VFLIB_THREADWITHSERVICEQUEUE_H_INCLUDED
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#include "BindableServiceQueue.h"
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namespace beast {
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/** TODO: Queued calls no longer interrupt the idle method at the moment
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use an explicit call to interrupt() if you want to also interrupt the
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idle method when queuing calls
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*/
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class ThreadWithServiceQueue
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: public BindableServiceQueue
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, public Thread
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{
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public:
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/** Entry points for a ThreadWithCallQueue.
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*/
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class EntryPoints
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{
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public:
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virtual ~EntryPoints () { }
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virtual void threadInit () { }
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virtual void threadExit () { }
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virtual bool threadIdle ()
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{
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bool interrupted = false;
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return interrupted;
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}
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};
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explicit ThreadWithServiceQueue (const String& name);
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~ThreadWithServiceQueue();
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void start (EntryPoints* const entryPoints);
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void stop (bool const wait);
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// Should be called periodically by the idle function.
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// There are two possible results:
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//
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// #1 Returns false. The idle function may continue or return.
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// #2 Returns true. The idle function should return as soon as possible.
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//
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// May only be called on the service queue thead
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bool interruptionPoint ();
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/* Interrupts the idle function.
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*/
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void interrupt ();
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private:
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void run ();
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void doInterrupt ();
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void doWakeUp ();
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private:
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EntryPoints* m_entryPoints;
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bool m_calledStart;
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bool m_calledStop;
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bool m_interrupted;
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CriticalSection m_mutex;
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};
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}
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#endif
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