liboce-foundation-dev 0.17.2-2 / usr / include / oce / OSD_Thread.hxx

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// This file is generated by WOK (CPPExt).
// Please do not edit this file; modify original file instead.
// The copyright and license terms as defined for the original file apply to 
// this header file considered to be the "object code" form of the original source.

#ifndef _OSD_Thread_HeaderFile
#define _OSD_Thread_HeaderFile

#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Macro.hxx>

#include <OSD_ThreadFunction.hxx>
#include <OSD_PThread.hxx>
#include <Standard_ThreadId.hxx>
#include <Standard_Integer.hxx>
#include <Standard_Boolean.hxx>
#include <Standard_Address.hxx>


//! A simple platform-intependent interface to execute
//! and control threads.
class OSD_Thread 
{
public:

  DEFINE_STANDARD_ALLOC

  
  //! Empty constructor
  Standard_EXPORT OSD_Thread();
  
  //! Initialize the tool by the thread function
  //!
  //! Note: On Windows, you might have to take an address of the thread
  //! function explicitly to pass it to this constructor without compiler error
  Standard_EXPORT OSD_Thread(const OSD_ThreadFunction& func);
  
  //! Copy constructor
  Standard_EXPORT OSD_Thread(const OSD_Thread& other);
  
  //! Copy thread handle from other OSD_Thread object.
  Standard_EXPORT   void Assign (const OSD_Thread& other) ;
  void operator = (const OSD_Thread& other) 
{
  Assign(other);
}
  
  //! Destructor. On Windows, closes handle to the thread.
  //! On UNIX/Linux, does nothing.
  Standard_EXPORT   void Destroy() ;
~OSD_Thread()
{
  Destroy();
}
  
  Standard_EXPORT   void SetPriority (const Standard_Integer thePriority) ;
  
  //! Initialize the tool by the thread function.
  //! If the current thread handle is not null, nullifies it.
  //!
  //! Note: On Windows, you might have to take an address of the thread
  //! function explicitly to pass it to this method without compiler error
  Standard_EXPORT   void SetFunction (const OSD_ThreadFunction& func) ;
  
  //! Starts a thread with thread function given in constructor,
  //! passing the specified input data (as void *) to it.
  //! The parameter \a WNTStackSize (on Windows only)
  //! specifies size of the stack to be allocated for the thread
  //! (by default - the same as for the current executable).
  //! Returns True if thread started successfully
  Standard_EXPORT   Standard_Boolean Run (const Standard_Address data = 0, const Standard_Integer WNTStackSize = 0) ;
  
  //! Detaches the execution thread from this Thread object,
  //! so that it cannot be waited.
  //! Note that mechanics of this operation is different on
  //! UNIX/Linux (the thread is put to detached state) and Windows
  //! (the handle is closed).
  //! However, the purpose is the same: to instruct the system to
  //! release all thread data upon its completion.
  Standard_EXPORT   void Detach() ;
  
  Standard_EXPORT   Standard_Boolean Wait()  const;
  
  //! Wait till the thread finishes execution.
  //! Returns True if wait was successful, False in case of error.
  //!
  //! If successful and \a result argument is provided, saves the pointer
  //! (void*) returned by the thread function in \a result.
  //!
  //! Note however that it is advisable not to rely upon returned result
  //! value, as it is not always the value actually returned by the thread
  //! function. In addition, on Windows it is converted via DWORD.
  Standard_EXPORT   Standard_Boolean Wait (Standard_Address& result)  const;
  
  //! Waits for some time and if the thread is finished,
  //! it returns the result.
  //! The function returns false if the thread is not finished yet.
  Standard_EXPORT   Standard_Boolean Wait (const Standard_Integer time, Standard_Address& result)  const;
  
  //! Returns ID of the currently controlled thread ID,
  //! or 0 if no thread is run
  Standard_EXPORT   Standard_ThreadId GetId()  const;
  
  //! Auxiliary: returns ID of the current thread
  Standard_EXPORT static   Standard_ThreadId Current() ;




protected:





private:



  OSD_ThreadFunction myFunc;
  OSD_PThread myThread;
  Standard_ThreadId myThreadId;
  Standard_Integer myPriority;


};







#endif // _OSD_Thread_HeaderFile

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