RE: Problem with Process.GetCurrentProcess() when starting a servi

Hi Jeffrey,
I'm using .Net 1.1 which could explain the difference. System is Windows XP.

You are generally right that using a process name for setting it as
singleton is not full proof but in the environment where this service runs
it's OK.

Additionally, to check if your original process is terminated after
stopping, you may use Task Manager or Process Explorer to examine the
process list.

The timeout happens even if I wait a long time after the service is stopped
and for sure, the service is not running when I try to start it. Even more,
the timeout happens at the first SCM start attempt after service installation.

Finally, if you still can not figure out the root cause, please feel free
to send the sample project to me

OK. I'm about to do it now.

Thanks for your prompt reply,

--
Benzi Eilon


""Jeffrey Tan[MSFT]"" wrote:

Hi Benzi,

Based on my understanding, your Windows Service application has included
the listed code snippet to allow only 1 instance of service to run.
However, you find that after stopping your service, you can not restart it
second time with timeout in Services.msc. If I have misunderstood you,
please feel free to tell me, thanks.

What version of .Net Framework you are using, .Net1.1 or 2.0? I have
created a sample Windows Service in VS2005 by adding your listed code
snippet in the main method. However, it can be stopped and restarted
several times without timeout error.

Also, your code logic actually uses the process name as the identity to
implement singleton, which is not always correct, since other applications
may use the same name as your service application, so it will prevent your
service from starting. A better solution is using a named Mutex, which will
become system-wide. See the article below for a sample:
http://www.ai.uga.edu/mc/SingleInstance.html

Additionally, to check if your original process is terminated after
stopping, you may use Task Manager or Process Explorer to examine the
process list.

Finally, if you still can not figure out the root cause, please feel free
to send the sample project to me by removing "online." to get my real email
address.

Thanks.

Best regards,
Jeffrey Tan
Microsoft Online Community Support
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