reactos/base/services/shsvcs/thmsvc.c

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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* FILE: base/services/shsvcs/thmsvc.c
* PURPOSE: Themes service
* PROGRAMMER: Giannis Adamopoulos
*/
/* INCLUDES *****************************************************************/
#include <windows.h>
#include <wine/debug.h>
WINE_DEFAULT_DEBUG_CHANNEL(shsvcs);
/* GLOBALS ******************************************************************/
static WCHAR ServiceName[] = L"Themes";
SERVICE_STATUS_HANDLE ServiceStatusHandle;
SERVICE_STATUS ServiceStatus;
/* FUNCTIONS *****************************************************************/
HANDLE StartEvent, StopEvent;
static VOID
UpdateServiceStatus(DWORD dwState)
{
ServiceStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
ServiceStatus.dwCurrentState = dwState;
if (dwState == SERVICE_RUNNING)
ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_PAUSE_CONTINUE | SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN;
else if (dwState == SERVICE_PAUSED)
ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_PAUSE_CONTINUE;
else
ServiceStatus.dwControlsAccepted = 0;
ServiceStatus.dwWin32ExitCode = 0;
ServiceStatus.dwServiceSpecificExitCode = 0;
ServiceStatus.dwCheckPoint = 0;
if (dwState == SERVICE_START_PENDING ||
dwState == SERVICE_STOP_PENDING ||
dwState == SERVICE_PAUSE_PENDING ||
dwState == SERVICE_CONTINUE_PENDING)
ServiceStatus.dwWaitHint = 10000;
else
ServiceStatus.dwWaitHint = 0;
SetServiceStatus(ServiceStatusHandle,
&ServiceStatus);
}
static DWORD WINAPI
ServiceControlHandler(DWORD dwControl,
DWORD dwEventType,
LPVOID lpEventData,
LPVOID lpContext)
{
TRACE("ServiceControlHandler() called\n");
switch (dwControl)
{
case SERVICE_CONTROL_STOP:
TRACE(" SERVICE_CONTROL_STOP received\n");
/* Signal the theme server in winlogon to remove theme hooks */
ResetEvent(StartEvent);
SetEvent(StopEvent);
UpdateServiceStatus(SERVICE_STOPPED);
return ERROR_SUCCESS;
case SERVICE_CONTROL_PAUSE:
TRACE(" SERVICE_CONTROL_PAUSE received\n");
UpdateServiceStatus(SERVICE_PAUSED);
return ERROR_SUCCESS;
case SERVICE_CONTROL_CONTINUE:
TRACE(" SERVICE_CONTROL_CONTINUE received\n");
UpdateServiceStatus(SERVICE_RUNNING);
return ERROR_SUCCESS;
case SERVICE_CONTROL_INTERROGATE:
TRACE(" SERVICE_CONTROL_INTERROGATE received\n");
SetServiceStatus(ServiceStatusHandle,
&ServiceStatus);
return ERROR_SUCCESS;
case SERVICE_CONTROL_SHUTDOWN:
TRACE(" SERVICE_CONTROL_SHUTDOWN received\n");
UpdateServiceStatus(SERVICE_STOPPED);
return ERROR_SUCCESS;
default :
TRACE(" Control %lu received\n");
return ERROR_CALL_NOT_IMPLEMENTED;
}
}
VOID
WINAPI
ThemeServiceMain(DWORD argc, LPTSTR *argv)
{
UNREFERENCED_PARAMETER(argc);
UNREFERENCED_PARAMETER(argv);
ServiceStatusHandle = RegisterServiceCtrlHandlerExW(ServiceName,
ServiceControlHandler,
NULL);
if (!ServiceStatusHandle)
{
ERR("RegisterServiceCtrlHandlerExW() failed! (Error %lu)\n", GetLastError());
return;
}
StartEvent = CreateEventW(NULL, TRUE, FALSE, L"Global\\ThemeStartEvent");
StopEvent = CreateEventW(NULL, TRUE, FALSE, L"Global\\ThemeStopEvent");
UpdateServiceStatus(SERVICE_RUNNING);
/* Signal the theme server in winlogon to install theme hooks */
ResetEvent(StopEvent);
SetEvent(StartEvent);
}
/* EOF */