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/*
*
* (C) 2003-2024 Anope Team
* Contact us at team@anope.org
*
* Please read COPYING and README for further details.
*
* Based on the original code of Epona by Lara.
* Based on the original code of Services by Andy Church.
*/
#ifndef THREADENGINE_H
#define THREADENGINE_H
#include "sockets.h"
#include "extensible.h"
class CoreExport Thread : public Pipe, public Extensible
{
private:
/* Set to true to tell the thread to finish and we are waiting for it */
bool exit;
public:
/* Handle for this thread */
pthread_t handle;
/** Threads constructor
*/
Thread();
/** Threads destructor
*/
virtual ~Thread();
/** Join to the thread, sets the exit state to true
*/
void Join();
/** Sets the exit state as true informing the thread we want it to shut down
*/
void SetExitState();
/** Exit the thread. Note that the thread still must be joined to free resources!
*/
void Exit();
/** Launch the thread
*/
void Start();
/** Returns the exit state of the thread
* @return true if we want to exit
*/
bool GetExitState() const;
/** Called when this thread should be joined to
*/
void OnNotify();
/** Called when the thread is run.
*/
virtual void Run() = 0;
};
class CoreExport Mutex
{
protected:
/* A mutex, used to keep threads in sync */
pthread_mutex_t 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();
/** Attempt to lock the mutex, will return true on success and false on fail
* Does not block
* @return true or false
*/
bool TryLock();
};
class CoreExport Condition : public Mutex
{
private:
/* A condition */
pthread_cond_t cond;
public:
/** Constructor
*/
Condition();
/** Destructor
*/
~Condition();
/** Called to wakeup the waiter
*/
void Wakeup();
/** Called to wait for a Wakeup() call
*/
void Wait();
};
#endif // THREADENGINE_H
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