Leaked source code of windows server 2003
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166 lines
4.6 KiB

/******************************************************************************
Copyright (c) 2001 Microsoft Corporation
Module Name:
dllmain.cpp
Revision History:
derekm 02/28/2001 created
******************************************************************************/
#include "stdafx.h"
//////////////////////////////////////////////////////////////////////////////
// globals
struct SServiceOps
{
SERVICE_STATUS_HANDLE hss;
SERVICE_STATUS ss;
HANDLE hev;
HANDLE hwait;
HANDLE hevStartDone;
};
CRITICAL_SECTION g_csReqs;
HANDLE g_hevSvcStop = NULL;
HINSTANCE g_hInstance = NULL;
//////////////////////////////////////////////////////////////////////////////
// DllMain
// ***************************************************************************
extern "C"
BOOL WINAPI DllMain(HINSTANCE hInstance, DWORD dwReason, LPVOID)
{
BOOL fRet = TRUE;
switch(dwReason)
{
case DLL_PROCESS_ATTACH:
g_hInstance = hInstance;
DisableThreadLibraryCalls(hInstance);
__try { InitializeCriticalSection(&g_csReqs); }
__except (EXCEPTION_EXECUTE_HANDLER) { fRet = FALSE;}
InitializeSvcDataStructs();
break;
case DLL_PROCESS_DETACH:
DeleteCriticalSection(&g_csReqs);
break;
}
return fRet;
}
//////////////////////////////////////////////////////////////////////////////
// Service functions
// ***************************************************************************
DWORD WINAPI HandlerEx(DWORD dwControl, DWORD dwEventType, LPVOID lpEventData,
LPVOID lpContext)
{
HANDLE hevShutdown = (HANDLE)lpContext;
switch(dwControl)
{
case SERVICE_CONTROL_STOP:
if (g_hevSvcStop != NULL)
SetEvent(g_hevSvcStop);
break;
case SERVICE_CONTROL_PAUSE:
case SERVICE_CONTROL_CONTINUE:
case SERVICE_CONTROL_INTERROGATE:
break;
case SERVICE_CONTROL_SHUTDOWN:
if (g_hevSvcStop != NULL)
SetEvent(g_hevSvcStop);
break;
default:
return ERROR_CALL_NOT_IMPLEMENTED;
}
return NOERROR;
}
// ***************************************************************************
void WINAPI ServiceMain(DWORD dwArgc, LPWSTR *lpszArgv)
{
SERVICE_STATUS_HANDLE hss;
SERVICE_STATUS ss;
CAutoUnlockCS aucs(&g_csReqs);
SRequest *rgReqs = NULL;
HANDLE hevShutdown = NULL;
WCHAR wszMod[MAX_PATH];
DWORD dw, cReqs;
BOOL fRet;
INIT_TRACING;
// if lpszArgv is NULL or the ER service is not the one to be started
// then bail...
if (lpszArgv == NULL || _wcsicmp(lpszArgv[0], L"ersvc") != 0)
return;
g_hevSvcStop = CreateEventW(NULL, TRUE, FALSE, NULL);
if (g_hevSvcStop == NULL)
return;
hss = RegisterServiceCtrlHandlerExW(c_wszERSvc, HandlerEx,
(LPVOID)&g_hevSvcStop);
// set up the status structure & set the initial status
ss.dwControlsAccepted = SERVICE_ACCEPT_SHUTDOWN | SERVICE_ACCEPT_STOP;
ss.dwCurrentState = SERVICE_START_PENDING;
ss.dwServiceType = SERVICE_WIN32_SHARE_PROCESS;
ss.dwServiceSpecificExitCode = 0;
ss.dwWin32ExitCode = 0;
ss.dwCheckPoint = 0;
ss.dwWaitHint = 1000;
SetServiceStatus(hss, &ss);
// start up the waits
fRet = StartERSvc(hss, ss, &rgReqs, &cReqs);
if (fRet == FALSE)
goto done;
// yay! we're all happily running now...
ss.dwCurrentState = SERVICE_RUNNING;
ss.dwCheckPoint++;
SetServiceStatus(hss, &ss);
fRet = ProcessRequests(rgReqs, cReqs);
// set ourselves as in the process of stopping
ss.dwCurrentState = SERVICE_STOP_PENDING;
ss.dwCheckPoint = 0;
SetServiceStatus(hss, &ss);
// stop all the waits
__try { StopERSvc(hss, ss, rgReqs, cReqs); }
__except(EXCEPTION_EXECUTE_HANDLER) { }
SetLastError(0);
done:
if (g_hevSvcStop != NULL)
CloseHandle(g_hevSvcStop);
if (rgReqs != NULL)
MyFree(rgReqs);
ss.dwWin32ExitCode = GetLastError();
ss.dwCurrentState = SERVICE_STOPPED;
SetServiceStatus(hss, &ss);
TERM_TRACING;
return;
}