f@0: #ifndef STK_MUTEX_H
f@0: #define STK_MUTEX_H
f@0: 
f@0: #include "Stk.h"
f@0: 
f@0: #if (defined(__OS_IRIX__) || defined(__OS_LINUX__) || defined(__OS_MACOSX__))
f@0: 
f@0:   #include <pthread.h>
f@0:   typedef pthread_mutex_t MUTEX;
f@0:   typedef pthread_cond_t CONDITION;
f@0: 
f@0: #elif defined(__OS_WINDOWS__)
f@0: 
f@0:   #include <windows.h>
f@0:   #include <process.h>
f@0:   typedef CRITICAL_SECTION MUTEX;
f@0:   typedef HANDLE CONDITION;
f@0: 
f@0: #endif
f@0: 
f@0: namespace stk {
f@0: 
f@0: /***************************************************/
f@0: /*! \class Mutex
f@0:     \brief STK mutex class.
f@0: 
f@0:     This class provides a uniform interface for
f@0:     cross-platform mutex use.  On Linux and IRIX
f@0:     systems, the pthread library is used. Under
f@0:     Windows, critical sections are used.
f@0: 
f@0:     by Perry R. Cook and Gary P. Scavone, 1995--2014.
f@0: */
f@0: /***************************************************/
f@0: 
f@0: class Mutex : public Stk
f@0: {
f@0:  public:
f@0:   //! Default constructor.
f@0:   Mutex();
f@0: 
f@0:   //! Class destructor.
f@0:   ~Mutex();
f@0: 
f@0:   //! Lock the mutex.
f@0:   void lock(void);
f@0: 
f@0:   //! Unlock the mutex.
f@0:   void unlock(void);
f@0: 
f@0:   //! Wait indefinitely on the mutex condition variable.
f@0:   /*!
f@0:     The mutex must be locked before calling this function, and then
f@0:     subsequently unlocked after this function returns.
f@0:    */
f@0:   void wait(void);
f@0: 
f@0:   //! Signal the condition variable.
f@0:   /*!
f@0:     The mutex must be locked before calling this function, and then
f@0:     subsequently unlocked after this function returns.
f@0:    */
f@0:   void signal(void);
f@0: 
f@0:  protected:
f@0: 
f@0:   MUTEX mutex_;
f@0:   CONDITION condition_;
f@0: 
f@0: };
f@0: 
f@0: } // stk namespace
f@0: 
f@0: #endif