src/globalsearch/slottedwaitcondition.h

/**********************************************************************
  SlottedWaitCondition - Simple wrapper around QWaitCondition with
  wake slots.

  Copyright (C) 2010-2011 by David C. Lonie

  This source code is released under the New BSD License, (the "License").

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
 ***********************************************************************/

#ifndef SLOTTEDWAITCONDITION_H
#define SLOTTEDWAITCONDITION_H

#include <QtCore/QObject>
#include <QtCore/QMutex>
#include <QtCore/QWaitCondition>

namespace GlobalSearch {

  class SlottedWaitCondition : public QObject, public QWaitCondition
  {
    Q_OBJECT;
  private:
    QMutex m_mutex;

  public:
    SlottedWaitCondition(QObject *parent);


    virtual ~SlottedWaitCondition();

    QMutex* mutex() {return &m_mutex;}

    void wait(unsigned long timeout) {
      QWaitCondition::wait(&m_mutex, timeout);}

  public slots:
    void wakeOneSlot() {QWaitCondition::wakeOne();}

    void wakeAllSlot() {QWaitCondition::wakeAll();}

    void prewaitLock() {m_mutex.lock();}

    void postwaitUnlock() {m_mutex.unlock();}
  };

}

#endif // SLOTTEDWAITCONDITION

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