Mutex.h

#pragma once
 
#include <Foundation/Basics.h>
#include <Foundation/Threading/Implementation/ThreadingDeclarations.h>
 
class PL_FOUNDATION_DLL plMutex
{
  PL_DISALLOW_COPY_AND_ASSIGN(plMutex);
 
public:
  plMutex();
  ~plMutex();
 
  void Lock();
 
  plResult TryLock();
 
  void Unlock();
 
  PL_ALWAYS_INLINE bool IsLocked() const { return m_iLockCount > 0; }
 
  plMutexHandle& GetMutexHandle() { return m_hHandle; }
 
private:
  plMutexHandle m_hHandle;
  plInt32 m_iLockCount = 0;
};
 
class PL_FOUNDATION_DLL plNoMutex
{
public:
  PL_ALWAYS_INLINE void Lock() {}
 
  PL_ALWAYS_INLINE plResult TryLock() { return PL_SUCCESS; }
 
  PL_ALWAYS_INLINE void Unlock() {}
 
  PL_ALWAYS_INLINE bool IsLocked() const { return false; }
};
 
#if PL_ENABLED(PL_PLATFORM_WINDOWS)
#  include <Foundation/Threading/Implementation/Win/Mutex_win.h>
#elif PL_ENABLED(PL_PLATFORM_OSX) || PL_ENABLED(PL_PLATFORM_LINUX) || PL_ENABLED(PL_PLATFORM_ANDROID)
#  include <Foundation/Threading/Implementation/Posix/Mutex_posix.h>
#else
#  error "Mutex is not implemented on current platform"
#endif