dlls/fntcache/main.c

   1 /*
   2  * Font Cache service
   3  *
   4  * Copyright 2014 Nikolay Sivov for CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #define WIN32_LEAN_AND_MEAN
  22 #include <windows.h>
  23 #include "winsvc.h"
  24 #include "wine/debug.h"
  25
  26 WINE_DEFAULT_DEBUG_CHANNEL(fontcache);
  27
  28 static HINSTANCE hInst;
  29 static SERVICE_STATUS_HANDLE service_handle;
  30 static HANDLE stop_event;
  31
  32 /***********************************************************************
  33  *              DllMain (fntcache.@)
  34  */
  35 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
  36 {
  37     TRACE("(%p, %d, %p)\n", hinstDLL, fdwReason, lpvReserved);
  38
  39     switch (fdwReason)
  40     {
  41         case DLL_WINE_PREATTACH:
  42             return FALSE;  /* prefer native version */
  43         case DLL_PROCESS_ATTACH:
  44             DisableThreadLibraryCalls(hinstDLL);
  45             hInst = hinstDLL;
  46             break;
  47     }
  48
  49     return TRUE;
  50 }
  51
  52 static DWORD WINAPI service_handler( DWORD ctrl, DWORD event_type, void *event_data, void *context )
  53 {
  54     SERVICE_STATUS status;
  55
  56     status.dwServiceType             = SERVICE_WIN32;
  57     status.dwControlsAccepted        = SERVICE_ACCEPT_STOP;
  58     status.dwWin32ExitCode           = 0;
  59     status.dwServiceSpecificExitCode = 0;
  60     status.dwCheckPoint              = 0;
  61     status.dwWaitHint                = 0;
  62
  63     switch(ctrl)
  64     {
  65     case SERVICE_CONTROL_STOP:
  66     case SERVICE_CONTROL_SHUTDOWN:
  67         TRACE( "shutting down\n" );
  68         status.dwCurrentState     = SERVICE_STOP_PENDING;
  69         status.dwControlsAccepted = 0;
  70         SetServiceStatus( service_handle, &status );
  71         SetEvent( stop_event );
  72         return NO_ERROR;
  73     default:
  74         FIXME( "got service ctrl %x\n", ctrl );
  75         status.dwCurrentState = SERVICE_RUNNING;
  76         SetServiceStatus( service_handle, &status );
  77         return NO_ERROR;
  78     }
  79 }
  80
  81 /***********************************************************************
  82  *              ServiceMain (fntcache.@)
  83  */
  84 VOID WINAPI ServiceMain(DWORD argc, LPWSTR *argv)
  85 {
  86     static const WCHAR fontcacheW[] = {'F','o','n','t','C','a','c','h','e',0};
  87     SERVICE_STATUS status;
  88
  89     TRACE( "starting service\n" );
  90
  91     stop_event = CreateEventW( NULL, TRUE, FALSE, NULL );
  92
  93     service_handle = RegisterServiceCtrlHandlerExW( fontcacheW, service_handler, NULL );
  94     if (!service_handle)
  95         return;
  96
  97     status.dwServiceType             = SERVICE_WIN32;
  98     status.dwCurrentState            = SERVICE_RUNNING;
  99     status.dwControlsAccepted        = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN;
 100     status.dwWin32ExitCode           = 0;
 101     status.dwServiceSpecificExitCode = 0;
 102     status.dwCheckPoint              = 0;
 103     status.dwWaitHint                = 10000;
 104     SetServiceStatus( service_handle, &status );
 105
 106     WaitForSingleObject( stop_event, INFINITE );
 107
 108     status.dwCurrentState     = SERVICE_STOPPED;
 109     status.dwControlsAccepted = 0;
 110     SetServiceStatus( service_handle, &status );
 111     TRACE( "service stopped\n" );
 112 }