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/* Copyright (c) MediaArea.net SARL. All Rights Reserved.
*
* Use of this source code is governed by a zlib-style license that can
* be found in the License.txt file in the root of the source tree.
*/
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//
// Thread functions
//
//+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
//---------------------------------------------------------------------------
#ifndef ZenLib_ThreadH
#define ZenLib_ThreadH
//---------------------------------------------------------------------------
#include "ZenLib/Conf.h"
#include "ZenLib/CriticalSection.h"
#ifdef _WINDOWS
#undef Yield
#endif
//---------------------------------------------------------------------------
namespace ZenLib
{
//***************************************************************************
/// @brief Thread manipulation
//***************************************************************************
class Thread
{
public :
//Constructor/Destructor
Thread ();
virtual ~Thread ();
//Control
enum returnvalue
{
Ok,
IsNotRunning,
Incoherent,
Resource,
};
returnvalue Run();
returnvalue RunAgain();
returnvalue Pause();
returnvalue RequestTerminate();
returnvalue ForceTerminate();
//Status
bool IsRunning();
bool IsTerminating();
bool IsExited();
//Configuration
void Priority_Set(int8s Priority); //-100 to +100
//Main Entry
virtual void Entry();
//Internal
returnvalue Internal_Exit(); //Do not use it
protected :
//Communicating
void Sleep(std::size_t Millisecond);
void Yield();
private :
//Internal
void* ThreadPointer;
//The possible states of the thread ("-->" shows all possible transitions from this state)
enum state
{
State_New, // didn't start execution yet (--> Running)
State_Running, // thread is running (--> Paused, Terminating)
State_Paused, // thread is temporarily suspended (--> Running)
State_Terminating, // thread should terminate a.s.a.p. (--> Terminated)
State_Terminated, // thread is terminated
};
state State;
CriticalSection C;
};
} //NameSpace
#endif
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