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ntoskrnl.exe: Broadcast device notifications to registered handlers.
Based on a patch by Micah N Gorrell. Signed-off-by: Zebediah Figura <zfigura@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
parent
6cf777ebd5
commit
d80101f17a
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@ -1,7 +1,7 @@
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MODULE = ntoskrnl.exe
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IMPORTLIB = ntoskrnl
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IMPORTS = advapi32 hal msvcrt
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DELAYIMPORTS = setupapi user32
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DELAYIMPORTS = rpcrt4 setupapi user32
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EXTRADLLFLAGS = -mno-cygwin
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@ -12,3 +12,6 @@ C_SRCS = \
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sync.c
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RC_SRCS = ntoskrnl.rc
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IDL_SRCS = \
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plugplay.idl
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2
dlls/ntoskrnl.exe/plugplay.idl
Normal file
2
dlls/ntoskrnl.exe/plugplay.idl
Normal file
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@ -0,0 +1,2 @@
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#pragma makedep client
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#include "wine/plugplay.idl"
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@ -39,10 +39,12 @@
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#include "ddk/wdm.h"
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#include "ddk/ntifs.h"
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#include "wine/debug.h"
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#include "wine/exception.h"
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#include "wine/heap.h"
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#include "wine/rbtree.h"
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#include "ntoskrnl_private.h"
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#include "plugplay.h"
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#include "initguid.h"
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DEFINE_GUID(GUID_NULL,0,0,0,0,0,0,0,0,0,0,0);
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@ -651,6 +653,35 @@ static NTSTATUS create_device_symlink( DEVICE_OBJECT *device, UNICODE_STRING *sy
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return ret;
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}
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void __RPC_FAR * __RPC_USER MIDL_user_allocate( SIZE_T len )
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{
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return heap_alloc( len );
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}
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void __RPC_USER MIDL_user_free( void __RPC_FAR *ptr )
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{
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heap_free( ptr );
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}
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static LONG WINAPI rpc_filter( EXCEPTION_POINTERS *eptr )
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{
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return I_RpcExceptionFilter( eptr->ExceptionRecord->ExceptionCode );
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}
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static void send_devicechange( DWORD code, void *data, unsigned int size )
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{
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BroadcastSystemMessageW( BSF_FORCEIFHUNG | BSF_QUERY, NULL, WM_DEVICECHANGE, code, (LPARAM)data );
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__TRY
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{
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plugplay_send_event( code, data, size );
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}
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__EXCEPT(rpc_filter)
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{
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WARN("Failed to send event, exception %#x.\n", GetExceptionCode());
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}
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__ENDTRY
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}
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/***********************************************************************
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* IoSetDeviceInterfaceState (NTOSKRNL.EXE.@)
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*/
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@ -756,9 +787,7 @@ NTSTATUS WINAPI IoSetDeviceInterfaceState( UNICODE_STRING *name, BOOLEAN enable
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broadcast->dbcc_devicetype = DBT_DEVTYP_DEVICEINTERFACE;
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broadcast->dbcc_classguid = iface->interface_class;
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lstrcpynW( broadcast->dbcc_name, name->Buffer, namelen + 1 );
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BroadcastSystemMessageW( BSF_FORCEIFHUNG | BSF_QUERY, NULL, WM_DEVICECHANGE,
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enable ? DBT_DEVICEARRIVAL : DBT_DEVICEREMOVECOMPLETE, (LPARAM)broadcast );
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send_devicechange( enable ? DBT_DEVICEARRIVAL : DBT_DEVICEREMOVECOMPLETE, broadcast, len );
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heap_free( broadcast );
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}
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return ret;
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@ -1002,12 +1031,26 @@ static NTSTATUS WINAPI pnp_manager_driver_entry( DRIVER_OBJECT *driver, UNICODE_
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void pnp_manager_start(void)
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{
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static const WCHAR driver_nameW[] = {'\\','D','r','i','v','e','r','\\','P','n','p','M','a','n','a','g','e','r',0};
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WCHAR endpoint[] = L"\\pipe\\wine_plugplay";
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WCHAR protseq[] = L"ncalrpc";
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UNICODE_STRING driver_nameU;
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RPC_WSTR binding_str;
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NTSTATUS status;
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RPC_STATUS err;
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RtlInitUnicodeString( &driver_nameU, driver_nameW );
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if ((status = IoCreateDriver( &driver_nameU, pnp_manager_driver_entry )))
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ERR("Failed to create PnP manager driver, status %#x.\n", status);
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if ((err = RpcStringBindingComposeW( NULL, protseq, NULL, endpoint, NULL, &binding_str )))
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{
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ERR("RpcStringBindingCompose() failed, error %#x\n", err);
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return;
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}
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err = RpcBindingFromStringBindingW( binding_str, &plugplay_binding_handle );
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RpcStringFreeW( &binding_str );
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if (err)
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ERR("RpcBindingFromStringBinding() failed, error %#x\n", err);
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}
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static void destroy_root_pnp_device( struct wine_rb_entry *entry, void *context )
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@ -1020,6 +1063,7 @@ void pnp_manager_stop(void)
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{
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wine_rb_destroy( &root_pnp_devices, destroy_root_pnp_device, NULL );
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IoDeleteDriver( pnp_manager );
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RpcBindingFree( &plugplay_binding_handle );
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}
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void pnp_manager_enumerate_root_devices( const WCHAR *driver_name )
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@ -29,4 +29,5 @@ interface plugplay
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plugplay_rpc_handle plugplay_register_listener();
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DWORD plugplay_get_event([in] plugplay_rpc_handle handle, [out, size_is(,*size)] BYTE **data, [out] unsigned int *size);
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void plugplay_unregister_listener([in] plugplay_rpc_handle handle);
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void plugplay_send_event([in] DWORD event_code, [in, size_is(size)] const BYTE *data, [in] unsigned int size);
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}
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@ -136,6 +136,34 @@ void __cdecl plugplay_unregister_listener( plugplay_rpc_handle handle )
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destroy_listener( handle );
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}
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void __cdecl plugplay_send_event( DWORD code, const BYTE *data, unsigned int size )
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{
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struct listener *listener;
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struct event *event;
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EnterCriticalSection( &plugplay_cs );
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LIST_FOR_EACH_ENTRY(listener, &listener_list, struct listener, entry)
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{
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if (!(event = malloc( sizeof(*event) )))
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break;
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if (!(event->data = malloc( size )))
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{
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free( event );
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break;
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}
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event->code = code;
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memcpy( event->data, data, size );
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event->size = size;
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list_add_tail( &listener->events, &event->entry );
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WakeConditionVariable( &listener->cv );
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}
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LeaveCriticalSection( &plugplay_cs );
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}
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static DWORD WINAPI service_handler( DWORD ctrl, DWORD event_type, LPVOID event_data, LPVOID context )
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{
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SERVICE_STATUS status;
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