| 1 | /* -*- C++ -*- |
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| 2 | This file declares the ShuttingDownState class. |
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| 3 | |
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| 4 | SPDX-FileCopyrightText: 2005-2013 Mirko Boehm <mirko@kde.org> |
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| 5 | |
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| 6 | SPDX-License-Identifier: LGPL-2.0-or-later |
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| 7 | |
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| 8 | $Id: ShuttingDownState.h 32 2005-08-17 08:38:01Z mirko $ |
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| 9 | */ |
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| 10 | |
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| 11 | #ifndef ShuttingDownState_H |
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| 12 | #define ShuttingDownState_H |
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| 13 | |
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| 14 | #include "weaverimplstate.h" |
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| 15 | |
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| 16 | namespace ThreadWeaver |
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| 17 | { |
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| 18 | class Queue; |
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| 19 | |
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| 20 | /* |
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| 21 | * ShuttingDownState is enabled when the Weaver destructor is entered. It |
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| 22 | * prevents threads from still accessing queue management methods, and new jobs being queued. |
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| 23 | */ |
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| 24 | class ShuttingDownState : public WeaverImplState |
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| 25 | { |
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| 26 | public: |
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| 27 | explicit ShuttingDownState(QueueSignals *weaver); |
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| 28 | |
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| 29 | /* Shut down the queue. */ |
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| 30 | void shutDown() override; |
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| 31 | /* Suspend job processing. */ |
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| 32 | void suspend() override; |
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| 33 | /* Resume job processing. */ |
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| 34 | void resume() override; |
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| 35 | /* Assign a job to an idle thread. */ |
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| 36 | JobPointer applyForWork(Thread *th, bool wasBusy) override; |
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| 37 | /* Wait (by suspending the calling thread) until a job becomes available. */ |
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| 38 | void waitForAvailableJob(Thread *th) override; |
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| 39 | /* reimpl */ |
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| 40 | StateId stateId() const override; |
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| 41 | }; |
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| 42 | |
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| 43 | } |
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| 44 | |
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| 45 | #endif // ShuttingDownState_H |
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| 46 | |
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