How to restart the specified process using c#

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When the specified process doesn't has changed over a period of time,such as 2 minutes，I think the process is dead, and should be restart. How I should do using C#? Thanks

Posted 20-Jun-13 3:47am

hjgc2001

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Ron Beyer 20-Jun-13 9:48am

What is the criteria for "changed"? How do you measure that?

3 solutions

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**Zoltán Zörgő** · Answer 1 · 2013-06-20T04:01:00

Solution 1

As you have probably noticed, Windows is monitoring processes and it is tagging the dead or dead-alike ones with "not responding" flag. The framework is giving you the means to track this flag too: http://msdn.microsoft.com/en-us/library/system.diagnostics.process.responding.aspx[^]. Still, this is usable only for processes having UI. Services and other background processes can be monitored via the same tools by their activity as you mentioned yourself. But if you made that process you can choose better ways than that to be kept informed about it's status.

Posted 20-Jun-13 4:01am

Zoltán Zörgő

Comments

hjgc2001 20-Jun-13 18:52pm

But the process I want to monitor is not made by me, i cann't get useful message from the process.What can I do? Thanks!

Zoltán Zörgő 21-Jun-13 1:57am

What is it doing? What is the activity you could monitor?

hjgc2001 21-Jun-13 9:27am

Because the process is important and runing in a server, and the server is nattended. So I want to monitor the process, and restart the proces if it is dead or dead-alike.

Zoltán Zörgő 21-Jun-13 13:13pm

I got that, but what does it? If it is a service, the service host can restart it, but only if it crashes. You can monitor a third party process only based on it's activity. But only you can know what it does.

Sergey Alexandrovich Kryukov · Answer 2 · 2013-06-20T12:14:00

Solution 3

No matter what exactly you do in such situation, just killing and restarting a process would be such an abuse! Forget it, get to the root of the problem, fix the application or build a new one. Don't do evil.

—SA

Posted 20-Jun-13 12:14pm

Sergey Alexandrovich Kryukov

*Karthik Harve* · Answer 3 · 2013-06-20T04:02:00

Hi,

you can try like below.

C#

//check your conditions here

//then check process is running or not
Process[] pname = Process.GetProcessesByName("ProcessName");
if (pname.Length == 0)
  Process.Start("ProcessName");
else
{
    pname[0].CloseMainWindow();
    // Free resources associated with process.
    pname[0].Close();

    //restart the process.
    Process.Start("ProcessName");

    // Wait 2 seconds.
    Thread.Sleep(2000);
}

hope it helps