命名对象继承2-验证Open*命名对象安全属性的传递

SECURITY_ATTRIBUTES sa; //设置句柄安全性
sa.nLength = sizeof(sa);
sa.lpSecurityDescriptor = NULL;
sa.bInheritHandle = TRUE;
HANDLE hMutex1 = CreateMutex(&sa, FALSE, TEXT("JeffObj")); //创建对象句柄1

HANDLE hMutex2 = OpenMutex(MUTEX_ALL_ACCESS, FALSE, TEXT("JeffObj")); //继承一个对象句柄2

DWORD dwFlags1;
GetHandleInformation(hMutex1, &dwFlags1); //验证对象句柄1的继承性
BOOL fHandleIsInheritable1 = (0 != (dwFlags1 & HANDLE_FLAG_INHERIT));
DWORD dwFlags2;
GetHandleInformation(hMutex2, &dwFlags2); //验证对象句柄1的继承性，判断是否继承安全性成功
BOOL fHandleIsInheritable2 = (0 != (dwFlags2 & HANDLE_FLAG_INHERIT));
CloseHandle(hMutex1);
CloseHandle(hMutex2);