49 lines
531 B
C++
49 lines
531 B
C++
#ifndef CANCELATOM_H
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#define CANCELATOM_H
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#include <QMutex>
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namespace olive
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{
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class CancelAtom {
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public:
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CancelAtom()
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: cancelled_(false)
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, heard_(false)
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{
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}
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bool IsCancelled()
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{
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QMutexLocker locker(&mutex_);
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if (cancelled_) {
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heard_ = true;
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}
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return cancelled_;
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}
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void Cancel()
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{
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QMutexLocker locker(&mutex_);
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cancelled_ = true;
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}
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bool HeardCancel()
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{
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QMutexLocker locker(&mutex_);
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return heard_;
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}
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private:
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QMutex mutex_;
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bool cancelled_;
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bool heard_;
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};
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}
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#endif // CANCELATOM_H
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