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![Eric Pouech](/assets/img/avatar_default.png)
Signed-off-by: Eric Pouech <eric.pouech@gmail.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>
263 lines
7.2 KiB
C
263 lines
7.2 KiB
C
/*
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* Copyright 2011 Hans Leidekker for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <dbt.h>
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#include "winsvc.h"
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#include "wine/debug.h"
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#include "wine/list.h"
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#include "plugplay.h"
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WINE_DEFAULT_DEBUG_CHANNEL(plugplay);
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static WCHAR plugplayW[] = L"PlugPlay";
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static SERVICE_STATUS_HANDLE service_handle;
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static HANDLE stop_event;
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void __RPC_FAR * __RPC_USER MIDL_user_allocate( SIZE_T len )
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{
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return malloc( 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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free( ptr );
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}
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static CRITICAL_SECTION plugplay_cs;
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static CRITICAL_SECTION_DEBUG plugplay_cs_debug =
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{
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0, 0, &plugplay_cs,
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{ &plugplay_cs_debug.ProcessLocksList, &plugplay_cs_debug.ProcessLocksList },
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0, 0, { (DWORD_PTR)(__FILE__ ": plugplay_cs") }
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};
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static CRITICAL_SECTION plugplay_cs = { &plugplay_cs_debug, -1, 0, 0, 0, 0 };
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static struct list listener_list = LIST_INIT(listener_list);
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struct listener
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{
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struct list entry;
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struct list events;
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CONDITION_VARIABLE cv;
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};
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struct event
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{
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struct list entry;
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DWORD code;
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BYTE *data;
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unsigned int size;
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};
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static void destroy_listener( struct listener *listener )
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{
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struct event *event, *next;
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EnterCriticalSection( &plugplay_cs );
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list_remove( &listener->entry );
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LeaveCriticalSection( &plugplay_cs );
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LIST_FOR_EACH_ENTRY_SAFE(event, next, &listener->events, struct event, entry)
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{
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MIDL_user_free( event->data );
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list_remove( &event->entry );
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free( event );
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}
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free( listener );
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}
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void __RPC_USER plugplay_rpc_handle_rundown( plugplay_rpc_handle handle )
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{
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destroy_listener( handle );
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}
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plugplay_rpc_handle __cdecl plugplay_register_listener(void)
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{
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struct listener *listener;
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if (!(listener = calloc( 1, sizeof(*listener) )))
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return NULL;
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list_init( &listener->events );
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InitializeConditionVariable( &listener->cv );
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EnterCriticalSection( &plugplay_cs );
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list_add_tail( &listener_list, &listener->entry );
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LeaveCriticalSection( &plugplay_cs );
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return listener;
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}
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DWORD __cdecl plugplay_get_event( plugplay_rpc_handle handle, BYTE **data, unsigned int *size )
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{
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struct listener *listener = handle;
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struct event *event;
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struct list *entry;
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DWORD ret;
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EnterCriticalSection( &plugplay_cs );
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while (!(entry = list_head( &listener->events )))
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SleepConditionVariableCS( &listener->cv, &plugplay_cs, INFINITE );
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event = LIST_ENTRY(entry, struct event, entry);
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list_remove( &event->entry );
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LeaveCriticalSection( &plugplay_cs );
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ret = event->code;
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*data = event->data;
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*size = event->size;
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free( event );
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return ret;
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}
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void __cdecl plugplay_unregister_listener( plugplay_rpc_handle handle )
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{
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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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BroadcastSystemMessageW( 0, NULL, WM_DEVICECHANGE, code, (LPARAM)data );
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BroadcastSystemMessageW( 0, NULL, WM_DEVICECHANGE, DBT_DEVNODES_CHANGED, 0 );
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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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status.dwServiceType = SERVICE_WIN32;
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status.dwControlsAccepted = SERVICE_ACCEPT_STOP;
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status.dwWin32ExitCode = 0;
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status.dwServiceSpecificExitCode = 0;
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status.dwCheckPoint = 0;
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status.dwWaitHint = 0;
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switch(ctrl)
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{
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case SERVICE_CONTROL_STOP:
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case SERVICE_CONTROL_SHUTDOWN:
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WINE_TRACE( "shutting down\n" );
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status.dwCurrentState = SERVICE_STOP_PENDING;
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status.dwControlsAccepted = 0;
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SetServiceStatus( service_handle, &status );
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SetEvent( stop_event );
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return NO_ERROR;
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default:
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WINE_FIXME( "got service ctrl %lx\n", ctrl );
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status.dwCurrentState = SERVICE_RUNNING;
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SetServiceStatus( service_handle, &status );
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return NO_ERROR;
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}
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}
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static void WINAPI ServiceMain( DWORD argc, LPWSTR *argv )
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{
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unsigned char endpoint[] = "\\pipe\\wine_plugplay";
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unsigned char protseq[] = "ncacn_np";
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SERVICE_STATUS status;
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RPC_STATUS err;
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WINE_TRACE( "starting service\n" );
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if ((err = RpcServerUseProtseqEpA( protseq, 0, endpoint, NULL )))
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{
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ERR("RpcServerUseProtseqEp() failed, error %lu\n", err);
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return;
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}
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if ((err = RpcServerRegisterIf( plugplay_v0_0_s_ifspec, NULL, NULL )))
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{
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ERR("RpcServerRegisterIf() failed, error %lu\n", err);
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return;
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}
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if ((err = RpcServerListen( 1, RPC_C_LISTEN_MAX_CALLS_DEFAULT, TRUE )))
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{
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ERR("RpcServerListen() failed, error %lu\n", err);
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return;
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}
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stop_event = CreateEventW( NULL, TRUE, FALSE, NULL );
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service_handle = RegisterServiceCtrlHandlerExW( plugplayW, service_handler, NULL );
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if (!service_handle)
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return;
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status.dwServiceType = SERVICE_WIN32;
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status.dwCurrentState = SERVICE_RUNNING;
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status.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN;
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status.dwWin32ExitCode = 0;
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status.dwServiceSpecificExitCode = 0;
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status.dwCheckPoint = 0;
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status.dwWaitHint = 10000;
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SetServiceStatus( service_handle, &status );
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WaitForSingleObject( stop_event, INFINITE );
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RpcMgmtStopServerListening( NULL );
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RpcServerUnregisterIf( plugplay_v0_0_s_ifspec, NULL, TRUE );
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RpcMgmtWaitServerListen();
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status.dwCurrentState = SERVICE_STOPPED;
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status.dwControlsAccepted = 0;
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SetServiceStatus( service_handle, &status );
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WINE_TRACE( "service stopped\n" );
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}
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int __cdecl wmain( int argc, WCHAR *argv[] )
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{
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static const SERVICE_TABLE_ENTRYW service_table[] =
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{
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{ plugplayW, ServiceMain },
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{ NULL, NULL }
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};
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StartServiceCtrlDispatcherW( service_table );
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return 0;
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}
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