cannam@3: /* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
cannam@3: 
cannam@3: /*
cannam@3:    Basic cross-platform mutex abstraction class.
cannam@3:    This file copyright 2007 Chris Cannam.
cannam@3: */
cannam@3: 
cannam@3: #ifndef _MUTEX_H_
cannam@3: #define _MUTEX_H_
cannam@3: 
cannam@3: #ifdef _WIN32
cannam@3: #include <windows.h>
cannam@3: #else
cannam@3: #include <pthread.h>
cannam@3: #endif
cannam@3: 
cannam@3: class Mutex
cannam@3: {
cannam@3: public:
cannam@3:     Mutex();
cannam@3:     ~Mutex();
cannam@3: 
cannam@3:     void lock();
cannam@3:     void unlock();
cannam@3:     bool trylock();
cannam@3: 
cannam@3: private:
cannam@3: #ifdef _WIN32
cannam@3:     HANDLE m_mutex;
cannam@3: #ifndef NO_THREAD_CHECKS
cannam@3:     DWORD m_lockedBy;
cannam@3: #endif
cannam@3: #else
cannam@3:     pthread_mutex_t m_mutex;
cannam@3: #ifndef NO_THREAD_CHECKS
cannam@3:     pthread_t m_lockedBy;
cannam@3:     bool m_locked;
cannam@3: #endif
cannam@3: #endif
cannam@3: };
cannam@3: 
cannam@3: class MutexLocker
cannam@3: {
cannam@3: public:
cannam@3:     MutexLocker(Mutex *);
cannam@3:     ~MutexLocker();
cannam@3: 
cannam@3: private:
cannam@3:     Mutex *m_mutex;
cannam@3: };
cannam@3: 
cannam@3: #endif
cannam@3: