Threads_Win32.h

#ifndef THREADS_WIN32_H
#define THREADS_WIN32_H
 
#include "Threads.h"
#ifdef _WIN32
#include <windows.h>
#else
#include <windef.h>
#endif
 
class ThreadImpl_Win32 : public ThreadImpl
{
  public:
    HANDLE ThreadHandle;
    DWORD ThreadId;
 
    int (*m_pFunc)(void* pData);
    void* m_pData;
 
    void Halt(bool Kill);
    void Resume();
    uint64_t GetThreadId() const;
    int Wait();
};
 
HANDLE
Win32ThreadIdToHandle(uint64_t iID);
 
class MutexImpl_Win32 : public MutexImpl
{
    friend class EventImpl_Win32;
 
  public:
    MutexImpl_Win32(RageMutex* parent);
    ~MutexImpl_Win32();
 
    bool Lock();
    bool TryLock();
    void Unlock();
 
  private:
    HANDLE mutex;
};
 
class EventImpl_Win32 : public EventImpl
{
  public:
    EventImpl_Win32(MutexImpl_Win32* pParent);
    ~EventImpl_Win32();
 
    bool Wait(float timeout);
    void Signal();
    void Broadcast();
    bool WaitTimeoutSupported() const { return true; }
 
  private:
    MutexImpl_Win32* m_pParent;
 
    int m_iNumWaiting;
    CRITICAL_SECTION m_iNumWaitingLock;
    HANDLE m_WakeupSema;
    HANDLE m_WaitersDone;
};
 
class SemaImpl_Win32 : public SemaImpl
{
  public:
    SemaImpl_Win32(int iInitialValue);
    ~SemaImpl_Win32();
    int GetValue() const { return m_iCounter; }
    void Post();
    bool Wait();
    bool TryWait();
 
  private:
    HANDLE sem;
 
    // We have to track the count ourself, since Windows gives no way to query
    // it.
    int m_iCounter;
};
 
#endif