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[W32TIME] Use an event to stop the service

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CORE-16180
This commit is contained in:
Eric Kohl 2019-07-28 22:37:17 +02:00
parent 8f25e464c2
commit 6b15e72206
1 changed files with 35 additions and 17 deletions
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52
base/services/w32time/w32time.c
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@ -12,6 +12,7 @@
SERVICE_STATUS ServiceStatus;
SERVICE_STATUS_HANDLE hStatus;
HANDLE hStopEvent = NULL;
static WCHAR ServiceName[] = L"W32Time";
int InitService(VOID);
@ -208,28 +209,21 @@ ControlHandler(DWORD request)
switch (request)
{
case SERVICE_CONTROL_STOP:
DPRINT("W32Time Service stopped.\n");
ServiceStatus.dwWin32ExitCode = 0;
ServiceStatus.dwCurrentState = SERVICE_STOPPED;
SetServiceStatus(hStatus, &ServiceStatus);
return;
case SERVICE_CONTROL_SHUTDOWN:
DPRINT("W32Time Service stopped.\n");
DPRINT("Stopping W32Time Service\n");
ServiceStatus.dwWin32ExitCode = 0;
ServiceStatus.dwCurrentState = SERVICE_STOPPED;
ServiceStatus.dwCurrentState = SERVICE_STOP_PENDING;
SetServiceStatus(hStatus, &ServiceStatus);
if (hStopEvent)
SetEvent(hStopEvent);
return;
default:
break;
}
/* Report current status */
SetServiceStatus(hStatus, &ServiceStatus);
return;
}
@ -239,7 +233,7 @@ WINAPI
ServiceMain(DWORD argc, LPWSTR *argv)
{
int result;
DWORD dwPollInterval;
DWORD dwInterval;
UNREFERENCED_PARAMETER(argc);
UNREFERENCED_PARAMETER(argv);
@ -260,14 +254,27 @@ ServiceMain(DWORD argc, LPWSTR *argv)
return;
}
/* Create the stop event */
hStopEvent = CreateEventW(NULL, FALSE, FALSE, NULL);
if (hStopEvent == NULL)
{
ServiceStatus.dwCurrentState = SERVICE_STOPPED;
ServiceStatus.dwWin32ExitCode = GetLastError();
ServiceStatus.dwControlsAccepted = 0;
SetServiceStatus(hStatus, &ServiceStatus);
return;
}
/* Get the interval */
dwInterval = GetIntervalSetting();
/* We report the running status to SCM. */
ServiceStatus.dwCurrentState = SERVICE_RUNNING;
SetServiceStatus(hStatus, &ServiceStatus);
/* The worker loop of a service */
while (ServiceStatus.dwCurrentState == SERVICE_RUNNING)
for (;;)
{
dwPollInterval = GetIntervalSetting();
result = SetTime();
if (result)
@ -284,13 +291,24 @@ ServiceMain(DWORD argc, LPWSTR *argv)
* service when the correct conditions can be determined, but it
* is left commented out.
ServiceStatus.dwCurrentState = SERVICE_STOPPED;
ServiceStatus.dwWin32ExitCode = -1;
ServiceStatus.dwWin32ExitCode = result;
SetServiceStatus(hStatus, &ServiceStatus);
return;
*/
}
Sleep(dwPollInterval * 1000);
if (WaitForSingleObject(hStopEvent, dwInterval) == WAIT_OBJECT_0)
{
CloseHandle(hStopEvent);
hStopEvent = NULL;
ServiceStatus.dwCurrentState = SERVICE_STOPPED;
ServiceStatus.dwWin32ExitCode = ERROR_SUCCESS;
ServiceStatus.dwControlsAccepted = 0;
SetServiceStatus(hStatus, &ServiceStatus);
DPRINT("Stopped W32Time Service\n");
return;
}
}
return;
}