Thread.h

#pragma once
 
#include <Foundation/Basics.h>
#include <Foundation/Communication/Event.h>
#include <Foundation/Strings/String.h>
#include <Foundation/Threading/ThreadUtils.h>
 
#include <Foundation/Threading/Implementation/OSThread.h>
 
// Warning: 'this' used in member initialization list (is fine here since it is just stored and not
// accessed in the constructor (so no operations on a not completely initialized object happen)
 
PL_WARNING_PUSH()
PL_WARNING_DISABLE_MSVC(4355)
 
#ifndef PL_THREAD_CLASS_ENTRY_POINT
#  error "Definition for plThreadClassEntryPoint is missing on this platform!"
#endif
 
PL_THREAD_CLASS_ENTRY_POINT;
 
struct plThreadEvent
{
  enum class Type
  {
    ThreadCreated,     
    ThreadDestroyed,   
    StartingExecution, 
    FinishedExecution, 
  };
 
  Type m_Type;
  plThread* m_pThread = nullptr;
};
 
class PL_FOUNDATION_DLL plThread : public plOSThread
{
public:
  static const plThread* GetCurrentThread();
 
  enum plThreadStatus
  {
    Created = 0,
    Running,
    Finished
  };
 
  plThread(plStringView sName = "plThread", plUInt32 uiStackSize = 128 * 1024);
 
  virtual ~plThread();
 
  inline plThreadStatus GetThreadStatus() const { return m_ThreadStatus; }
 
  inline bool IsRunning() const { return m_ThreadStatus == Running; }
 
  inline const char* GetThreadName() const { return m_sName.GetData(); }
 
  static plEvent<const plThreadEvent&, plMutex> s_ThreadEvents;
 
private:
  virtual plUInt32 Run() = 0;
 
 
  volatile plThreadStatus m_ThreadStatus = Created;
 
  plString m_sName;
 
  friend plUInt32 RunThread(plThread* pThread);
};
 
PL_WARNING_POP()