| 1 | /* -*- C++ -*- |
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| 2 | This file is part of ThreadWeaver. |
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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 | |
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| 9 | #ifndef WEAVER_P_H |
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| 10 | #define WEAVER_P_H |
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| 11 | |
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| 12 | #include <QSemaphore> |
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| 13 | #include <QSharedPointer> |
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| 14 | #include <QWaitCondition> |
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| 15 | |
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| 16 | #include "jobpointer.h" |
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| 17 | #include "state.h" |
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| 18 | #include "thread.h" |
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| 19 | |
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| 20 | #include "queuesignals_p.h" |
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| 21 | |
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| 22 | namespace ThreadWeaver |
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| 23 | { |
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| 24 | namespace Private |
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| 25 | { |
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| 26 | class Weaver_Private : public QueueSignals_Private |
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| 27 | { |
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| 28 | public: |
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| 29 | Weaver_Private(); |
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| 30 | ~Weaver_Private() override; |
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| 31 | |
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| 32 | void dumpJobs(); |
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| 33 | |
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| 34 | bool canBeExecuted(JobPointer); |
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| 35 | void deleteExpiredThreads(); |
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| 36 | |
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| 37 | /* The thread inventory. */ |
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| 38 | QList<Thread *> inventory; |
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| 39 | /* Threads that have exited and can be deleted. */ |
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| 40 | QList<Thread *> expiredThreads; |
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| 41 | /* The job queue. */ |
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| 42 | QList<JobPointer> assignments; |
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| 43 | /* The number of jobs that are assigned to the worker threads, but not finished. */ |
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| 44 | int active; |
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| 45 | /* The maximum number of worker threads. */ |
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| 46 | int inventoryMax; |
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| 47 | /* Wait condition all idle or done threads wait for. */ |
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| 48 | QWaitCondition jobAvailable; |
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| 49 | /* Wait for a job to finish. */ |
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| 50 | QWaitCondition jobFinished; |
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| 51 | /* Mutex to serialize operations. */ |
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| 52 | QMutex *mutex; |
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| 53 | /* Semaphore to ensure thread startup is in sequence. */ |
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| 54 | QSemaphore semaphore; |
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| 55 | /* Before shutdown can proceed to close the running threads, it needs to ensure that all of them |
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| 56 | * entered the run method. */ |
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| 57 | QAtomicInt createdThreads; |
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| 58 | /* The state of the art. |
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| 59 | * \sa StateId |
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| 60 | */ |
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| 61 | QAtomicPointer<State> state; |
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| 62 | /* The state objects. */ |
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| 63 | QSharedPointer<State> states[NoOfStates]; |
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| 64 | }; |
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| 65 | |
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| 66 | } |
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| 67 | } |
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| 68 | |
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| 69 | #endif // WEAVER_P_H |
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| 70 | |
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