On Thursday, September 21, 2006 at 12:49 AM, Nigel Horne wrote:
> Mark Pizzolato wrote:
>
> > When the ClamAV service is stopping, you might want to try cleanly
> > stopping freshclam with:
> >
> > GenerateConsoleCtrlEvent(CTRL_C_EVENT, dwProcessId);
> >
> > Where dwProcessId is the process ID of the freshclam process saved
when
> > the process was created.
>
> That code has been in there for some time, but it fails - it generates
> error 6 - incorrect handle. I am aware of the issue.
Sorry, I didn't know that. The only help I can offer then, is to
describe what code I have written elsewhere, which runs in the context
of a service does. The following is used to start the executable:
PROCESS_INFORMATION pinfo;
DWORD status = ERROR_SUCCESS;
szCommandLine = (TCHAR *)malloc(sizeof(*szProgram)*
(4+((szProgram)? _tcslen(szProgram) : 0) +
((szProgramArguments)? _tcslen(szProgramArguments) :
0)));
if (szProgram)
{
if (szProgramArguments)
_stprintf(szCommandLine, "\"%s\" %s", szProgram,
szProgramArguments);
else
_stprintf(szCommandLine, "\"%s\"", szProgram);
}
else
if (szProgramArguments)
_tcscpy(szCommandLine, szProgramArguments);
else
*szCommandLine = NULCHAR;
if (!CreateProcess(szProgram,
szCommandLine,
NULL,
NULL,
TRUE,
CREATE_NEW_PROCESS_GROUP |
NORMAL_PRIORITY_CLASS,
NULL,
szWorkingDirectory,
NULL,
&pinfo))
status = GetLastError();
free(szCommandLine);
if (status == ERROR_SUCCESS)
{
CloseHandle(pinfo.hProcess);
CloseHandle(pinfo.hThread);
}
On success, the returned pinfo structure contains the dwProcessId which
is later used at shutdown time to pass to GenerateConsoleCtrlEvent().
- Mark Pizzolato
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