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#ifdef _WIN32
typedef HANDLE ThreadHandle;
typedef CRITICAL_SECTION MutexHandle;
typedef HANDLE CondHandle;
#else
# include <pthread.h>
typedef pthread_t ThreadHandle;
typedef pthread_mutex_t MutexHandle;
typedef pthread_cond_t CondHandle;
#endif
class ThreadEngine;
class Thread;
extern CoreExport ThreadEngine threadEngine;
class ThreadEngine
{
public:
/** Threadengines constructor
*/
ThreadEngine();
/** Threadengines destructor
*/
~ThreadEngine();
/** Start a new thread
* @param thread A pointer to a newley allocated thread
*/
void Start(Thread *thread);
};
class Thread : public Extensible
{
private:
/* Set to true to tell the thread to finish and we are waiting for it */
bool Exit;
/** Join to the thread, sets the exit state to true
*/
void Join();
public:
/* Handle for this thread */
ThreadHandle Handle;
/** Threads constructor
*/
Thread();
/** Threads destructor
*/
virtual ~Thread();
/** Sets the exit state as true informing the thread we want it to shut down
*/
void SetExitState();
/** Returns the exit state of the thread
* @return true if we want to exit
*/
bool GetExitState() const;
/** Called to run the thread, should be overloaded
*/
virtual void Run();
};
class Mutex
{
protected:
/* A mutex, used to keep threads in sync */
MutexHandle mutex;
public:
/** Constructor
*/
Mutex();
/** Destructor
*/
~Mutex();
/** Attempt to lock the mutex, will hang until a lock can be achieved
*/
void Lock();
/** Unlock the mutex, it must be locked first
*/
void Unlock();
};
class Condition : public Mutex
{
private:
/* A condition */
CondHandle cond;
public:
/** Constructor
*/
Condition();
/** Destructor
*/
~Condition();
/** Called to wakeup the waiter
*/
void Wakeup();
/** Called to wait for a Wakeup() call
*/
void Wait();
};
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