ConditionVariable.h

#pragma once
 
#include <Foundation/Basics.h>
#include <Foundation/Threading/Implementation/ThreadingDeclarations.h>
#include <Foundation/Threading/Mutex.h>
 
class PL_FOUNDATION_DLL plConditionVariable
{
  PL_DISALLOW_COPY_AND_ASSIGN(plConditionVariable);
 
public:
  enum class WaitResult
  {
    Signaled,
    Timeout
  };
 
  plConditionVariable();
  ~plConditionVariable();
 
  void Lock();
 
  plResult TryLock();
 
  void Unlock();
 
  void SignalOne();
 
  void SignalAll();
 
  void UnlockWaitForSignalAndLock() const;
 
  WaitResult UnlockWaitForSignalAndLock(plTime timeout) const;
 
private:
  mutable plInt32 m_iLockCount = 0;
  mutable plMutex m_Mutex;
  mutable plConditionVariableData m_Data;
};