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// Windows/Synchronization.h
#ifndef __WINDOWS_SYNCHRONIZATION_H
#define __WINDOWS_SYNCHRONIZATION_H
#include "Defs.h"
#include "Handle.h"
namespace NWindows {
namespace NSynchronization {
class CObject: public CHandle
{
public:
bool Lock(DWORD timeoutInterval = INFINITE)
{ return (::WaitForSingleObject(_handle, timeoutInterval) == WAIT_OBJECT_0); }
};
class CBaseEvent: public CObject
{
public:
bool Create(bool manualReset, bool initiallyOwn, LPCTSTR name = NULL,
LPSECURITY_ATTRIBUTES securityAttributes = NULL)
{
_handle = ::CreateEvent(securityAttributes, BoolToBOOL(manualReset),
BoolToBOOL(initiallyOwn), name);
return (_handle != 0);
}
bool Open(DWORD desiredAccess, bool inheritHandle, LPCTSTR name)
{
_handle = ::OpenEvent(desiredAccess, BoolToBOOL(inheritHandle), name);
return (_handle != 0);
}
bool Set() { return BOOLToBool(::SetEvent(_handle)); }
bool Pulse() { return BOOLToBool(::PulseEvent(_handle)); }
bool Reset() { return BOOLToBool(::ResetEvent(_handle)); }
};
class CEvent: public CBaseEvent
{
public:
CEvent() {};
CEvent(bool manualReset, bool initiallyOwn,
LPCTSTR name = NULL, LPSECURITY_ATTRIBUTES securityAttributes = NULL);
};
class CManualResetEvent: public CEvent
{
public:
CManualResetEvent(bool initiallyOwn = false, LPCTSTR name = NULL,
LPSECURITY_ATTRIBUTES securityAttributes = NULL):
CEvent(true, initiallyOwn, name, securityAttributes) {};
};
class CAutoResetEvent: public CEvent
{
public:
CAutoResetEvent(bool initiallyOwn = false, LPCTSTR name = NULL,
LPSECURITY_ATTRIBUTES securityAttributes = NULL):
CEvent(false, initiallyOwn, name, securityAttributes) {};
};
class CMutex: public CObject
{
public:
bool Create(bool initiallyOwn, LPCTSTR name = NULL,
LPSECURITY_ATTRIBUTES securityAttributes = NULL)
{
_handle = ::CreateMutex(securityAttributes, BoolToBOOL(initiallyOwn), name);
return (_handle != 0);
}
bool Open(DWORD desiredAccess, bool inheritHandle, LPCTSTR name)
{
_handle = ::OpenMutex(desiredAccess, BoolToBOOL(inheritHandle), name);
return (_handle != 0);
}
bool Release() { return BOOLToBool(::ReleaseMutex(_handle)); }
};
class CMutexLock
{
CMutex &_object;
public:
CMutexLock(CMutex &object): _object(object) { _object.Lock(); }
~CMutexLock() { _object.Release(); }
};
class CCriticalSection
{
CRITICAL_SECTION _object;
// void Initialize() { ::InitializeCriticalSection(&_object); }
// void Delete() { ::DeleteCriticalSection(&_object); }
public:
CCriticalSection() { ::InitializeCriticalSection(&_object); }
~CCriticalSection() { ::DeleteCriticalSection(&_object); }
void Enter() { ::EnterCriticalSection(&_object); }
void Leave() { ::LeaveCriticalSection(&_object); }
};
class CCriticalSectionLock
{
CCriticalSection &_object;
void Unlock() { _object.Leave(); }
public:
CCriticalSectionLock(CCriticalSection &object): _object(object)
{_object.Enter(); }
~CCriticalSectionLock() { Unlock(); }
};
}}
#endif
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