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Diffstat (limited to 'usb/umdf_fx2/driver/dllsup.cpp')
| -rw-r--r-- | usb/umdf_fx2/driver/dllsup.cpp | 204 |
1 files changed, 0 insertions, 204 deletions
diff --git a/usb/umdf_fx2/driver/dllsup.cpp b/usb/umdf_fx2/driver/dllsup.cpp deleted file mode 100644 index 7fda91e4..00000000 --- a/usb/umdf_fx2/driver/dllsup.cpp +++ /dev/null @@ -1,204 +0,0 @@ -/*++ - -Copyright (C) Microsoft Corporation, All Rights Reserved. - -Module Name: - - dllsup.cpp - -Abstract: - - This module contains the implementation of the UMDF OSR Fx2 - Driver's entry point and its exported functions for providing COM support. - - This module can be copied without modification to a new UMDF driver. It - depends on some of the code in comsup.cpp & comsup.h to handle DLL - registration and creating the first class factory. - - This module is dependent on the following defines: - - MYDRIVER_TRACING_ID - A wide string passed to WPP when initializing - tracing. For example the driver uses - L"Microsoft\\UMDF\\OsrUsb" - - MYDRIVER_CLASS_ID - A GUID encoded in struct format used to - initialize the driver's ClassID. - - These are defined in internal.h for this sample. If you choose - to use a different primary include file, you should ensure they are - defined there as well. - -Environment: - - WDF User-Mode Driver Framework (WDF:UMDF) - ---*/ - -#include "internal.h" -#include "dllsup.tmh" - -const GUID CLSID_MyDriverCoClass = MYDRIVER_CLASS_ID; - -BOOL -WINAPI -DllMain( - HINSTANCE ModuleHandle, - DWORD Reason, - PVOID /* Reserved */ - ) -/*++ - - Routine Description: - - This is the entry point and exit point for the I/O trace driver. This - does very little as the I/O trace driver has minimal global data. - - This method initializes tracing, and saves the module handle away in a - global variable so that it can be referenced should the COM registration - code (Dll[Un]RegisterServer) be called. - - Arguments: - - ModuleHandle - the DLL handle for this module. - - Reason - the reason this entry point was called. - - Reserved - unused - - Return Value: - - TRUE - ---*/ -{ - UNREFERENCED_PARAMETER(ModuleHandle); - - if (DLL_PROCESS_ATTACH == Reason) - { - // - // Initialize tracing. - // - - WPP_INIT_TRACING(MYDRIVER_TRACING_ID); - } - else if (DLL_PROCESS_DETACH == Reason) - { - // - // Cleanup tracing. - // - - WPP_CLEANUP(); - } - - return TRUE; -} - -_Use_decl_annotations_ -HRESULT -STDAPICALLTYPE -DllCanUnloadNow( - VOID - ) -/*++ - - Routine Description: - - Called by the COM runtime when determining whether or not this module - can be unloaded. Our answer is always "no". - - Arguments: - - None - - Return Value: - - S_FALSE - ---*/ -{ - return S_FALSE; -} - -_Use_decl_annotations_ -HRESULT -STDAPICALLTYPE -DllGetClassObject( - REFCLSID ClassId, - REFIID InterfaceId, - LPVOID *Interface - ) -/*++ - - Routine Description: - - This routine is called by COM in order to instantiate the - OSR Fx2 driver callback object and do an initial query interface on it. - - This method only creates an instance of the driver's class factory, as this - is the minimum required to support UMDF. - - Arguments: - - ClassId - the CLSID of the object being "gotten" - - InterfaceId - the interface the caller wants from that object. - - Interface - a location to store the referenced interface pointer - - Return Value: - - S_OK if the function succeeds or error indicating the cause of the - failure. - ---*/ -{ - PCClassFactory factory; - - HRESULT hr = S_OK; - - *Interface = NULL; - - // - // If the CLSID doesn't match that of our "coclass" (defined in the IDL - // file) then we can't create the object the caller wants. This may - // indicate that the COM registration is incorrect, and another CLSID - // is referencing this drvier. - // - - if (IsEqualCLSID(ClassId, CLSID_MyDriverCoClass) == false) - { - Trace( - TRACE_LEVEL_ERROR, - L"ERROR: Called to create instance of unrecognized class (%!GUID!)", - &ClassId - ); - - return CLASS_E_CLASSNOTAVAILABLE; - } - - // - // Create an instance of the class factory for the caller. - // - - factory = new CClassFactory(); - - if (NULL == factory) - { - hr = E_OUTOFMEMORY; - } - - // - // Query the object we created for the interface the caller wants. After - // that we release the object. This will drive the reference count to - // 1 (if the QI succeeded an referenced the object) or 0 (if the QI failed). - // In the later case the object is automatically deleted. - // - - if (SUCCEEDED(hr)) - { - hr = factory->QueryInterface(InterfaceId, Interface); - factory->Release(); - } - - return hr; -} |