version 1.4.2.4, 2006/07/28 23:52:11
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version 1.4.2.5, 2006/07/30 22:51:02
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typedef pthread_mutex_t MutexType; | typedef pthread_mutex_t MutexType; |
struct MutexRep | struct MutexRep |
{ | { |
pthread_mutex_t mutex; |
MutexType mutex; |
pthread_mutexattr_t attr; |
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}; | }; |
inline void mutex_lock(MutexType* mutex) { pthread_mutex_lock(mutex); } | inline void mutex_lock(MutexType* mutex) { pthread_mutex_lock(mutex); } |
inline void mutex_unlock(MutexType* mutex) { pthread_mutex_unlock(mutex); } | inline void mutex_unlock(MutexType* mutex) { pthread_mutex_unlock(mutex); } |
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inline void mutex_destroy(MutexType* mutex) { pthread_mutex_destroy(mutex); } |
# define PEGASUS_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER | # define PEGASUS_MUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER |
#endif | #endif |
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Mutex(); | Mutex(); |
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~Mutex(); |
~Mutex() |
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{ |
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mutex_destroy(&_rep.mutex); |
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} |
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void lock(); |
void lock() |
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{ |
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mutex_lock(&_rep.mutex); |
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} |
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void try_lock(); | void try_lock(); |
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void timed_lock(Uint32 milliseconds); | void timed_lock(Uint32 milliseconds); |
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void unlock(); |
void unlock() |
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{ |
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mutex_unlock(&_rep.mutex); |
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} |
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private: | private: |
Mutex(const Mutex&); | Mutex(const Mutex&); |
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{ | { |
public: | public: |
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AutoMutex(Mutex& mutex, Boolean autoLock = true) : |
AutoMutex(Mutex& mutex) : _mutex(mutex) |
_mutex(mutex), _locked(autoLock) |
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{ | { |
if (autoLock) |
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_mutex.lock(); | _mutex.lock(); |
} | } |
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~AutoMutex() | ~AutoMutex() |
{ | { |
try |
_mutex.unlock(); |
{ |
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if (_locked) |
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unlock(); |
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} |
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catch (...) |
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{ |
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// Do not propagate exception from destructor |
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} |
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} | } |
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void lock() | void lock() |
{ | { |
if (_locked) |
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throw AlreadyLocked(ThreadType()); |
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_mutex.lock(); | _mutex.lock(); |
_locked = true; |
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} | } |
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void unlock() | void unlock() |
{ | { |
if (!_locked) |
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throw Permission(ThreadType()); |
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_mutex.unlock(); | _mutex.unlock(); |
_locked = false; |
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} |
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Boolean isLocked() const |
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{ |
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return _locked; |
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} | } |
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private: | private: |
AutoMutex(); // Unimplemented |
AutoMutex(); |
AutoMutex(const AutoMutex& x); // Unimplemented |
AutoMutex(const AutoMutex& x); |
AutoMutex& operator=(const AutoMutex& x); // Unimplemented |
AutoMutex& operator=(const AutoMutex& x); |
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Mutex& _mutex; | Mutex& _mutex; |
Boolean _locked; |
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}; | }; |
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PEGASUS_NAMESPACE_END | PEGASUS_NAMESPACE_END |