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Tiny mistake in previous commit.
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69
ScopedLock.h
69
ScopedLock.h
@@ -6,47 +6,46 @@
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// This is a returnable lock holder.
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// This is a returnable lock holder.
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// I don't know why Boost doesn't provide a good way to do this.
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// I don't know why Boost doesn't provide a good way to do this.
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class ScopedLock
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class ScopedLock
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{
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private:
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boost::mutex *mMutex; // parent object has greater scope, so guaranteed valid
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mutable bool mValid;
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ScopedLock(); // no implementation
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public:
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ScopedLock(boost::mutex &mutex) : mMutex(&mutex), mValid(true)
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{
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{
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mMutex->lock();
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private:
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}
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boost::mutex *mMutex; // parent object has greater scope, so guaranteed valid
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mutable bool mValid;
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~ScopedLock()
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ScopedLock(); // no implementation
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{
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if(mValid) mMutex->unlock();
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public:
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}
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ScopedLock(boost::mutex &mutex) : mMutex(&mutex), mValid(true)
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{
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ScopedLock(const ScopedLock &sl)
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mMutex->lock();
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{
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mMutex=sl.mMutex;
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if(sl.mValid)
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{
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mValid=true;
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sl.mValid=false;
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}
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}
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else mValid=false;
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}
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ScopedLock &operator=(const ScopedLock &sl)
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~ScopedLock()
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{ // we inherit any lock the other class member had
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if(mValid) mMutex->unlock();
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mMutex=sl.mMutex;
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if(sl.mValid)
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{
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{
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if(mValid) mMutex->unlock();
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if(mValid) mMutex->unlock();
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mValid=true;
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sl.mValid=false;
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}
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}
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}
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};
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ScopedLock(const ScopedLock &sl)
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{
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mMutex=sl.mMutex;
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if(sl.mValid)
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{
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mValid=true;
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sl.mValid=false;
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}
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else mValid=false;
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}
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ScopedLock &operator=(const ScopedLock &sl)
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{ // we inherit any lock the other class member had
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if(mValid) mMutex->unlock();
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mMutex=sl.mMutex;
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if(sl.mValid)
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{
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mValid=true;
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sl.mValid=false;
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}
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}
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};
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#endif
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#endif
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