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/******************************************************************************* * BMutex.h BMutex Classes * T.Barnaby, BEAM Ltd, 1/11/02

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******************************************************************************* */ #ifndef BMUTEX_H #define BMUTEX_H 1 #include <pthread.h> /// Mutex class class BMutex { public:

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enum Type { Normal, Recursive }; BMutex(Type type = Normal);

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BMutex(const BMutex& mutex); ~BMutex();

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int lock(); ///< Set lock, wait as necessary int timedLock(int timeoutUs); ///< Set lock, wait as necessary but timeout after given time

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int unlock(); ///< Unlock the lock int tryLock(); ///< Test the lock BMutex& operator=(const BMutex& mutex); private: pthread_mutex_t omutex; };

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class BMutexLock { public: BMutexLock(BMutex& lock, int doLock = 0) : olock(lock) { if(doLock) olock.lock(); } ~BMutexLock() { olock.unlock(); } int lock() { return olock.lock(); } int unlock() { return olock.unlock(); } private: BMutex& olock; };

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#endif