Re: buildbot down?

[Graham Bloice <graham.bloice () trihedral com>]

For reference, the PowerShell equivalent, note that this will only attempt
to stop a pid once, there may be multiple locking handles for a single pid:

# Stop-ProcessByFileLock
# Stops processes that have an open handle on the path fragment specified

param(
  [parameter(Mandatory=$true)]
  [string]$path
)

$processes = @{}
$handles = handle $path
foreach($line in $handles) {
  if ($line -match "(\S+)\s+pid: (\d*)") {
    $processes[$($Matches[1])] = $($Matches[2])
  }
}

foreach($process in $processes.GetEnumerator()) {
    Write-Host "Killing process $($process.Name) with pid:$($process.Value)"
    Stop-Process -Id $process.Value -Force
}




On 10 April 2017 at 21:36, Maynard, Chris <Christopher.Maynard () igt com>
wrote:

> Here's a batch file that *might* also help?  It makes use of both
> handle.exe and taskkill.exe to *hopefully* achieve what you're looking
> for?
>
> :: Forcefully kills the process with the given open file containing the
> :: specified pattern.  For example, running the following will kill the
> first
> :: process found with a file open that contains the string
> "wireshark_pcapng"
> :: anywhere in the name:
> ::
> ::     killprocbyfile.bat wireshark_pcapng
> ::
>
> @ECHO OFF
>
> IF ["%~1"] == [""] GOTO USAGE
>
> @ECHO OFF
> FOR /F "TOKENS=1-3 USEBACKQ" %%I IN (`HANDLE.EXE "%1"`) DO (
>     IF "%%J" == "pid:" (
>         ECHO Killing %%I PID: %%K
>         TASKKILL.EXE /F /PID %%K
>         GOTO :EOF
>     )
> )
> GOTO :EOF
>
> :USAGE
> ECHO Usage: %~0 ^<pattern^>
>
> - Chris
>
> > -----Original Message-----
> > From: wireshark-dev-bounces () wireshark org [mailto:wireshark-dev-
> > bounces () wireshark org] On Behalf Of Maynard, Chris
> > Sent: Monday, April 10, 2017 2:12 PM
> > To: Developer support list for Wireshark <wireshark-dev () wireshark org>
> > Subject: Re: [Wireshark-dev] buildbot down?
> >
> > Would taskkill.exe help?
> >
> > For example, "taskkill.exe /im dumpcap.exe" , etc.
> >
> > I've also used WMIC in the past to save ProcessID's of tasks so you can
> later kill
> > specific instances of a task instead of all of them with the same name.
> I'd refer
> > you to the dumpcap.bat file posted on https://wiki.wireshark.org/Tools
> for how
> > I did that.
> >
> > - Chris
> > [1]:
> > https://www.microsoft.com/resources/documentation/windows/xp/all/proddoc
> <https://www.microsoft.com/resources/documentation/windows/xp/all/proddocs/en-us/taskkill.mspx?mfr=true>
> > s/en-us/taskkill.mspx?mfr=true
> >
> > - Chris
> >
> > > -----Original Message-----
> > > From: wireshark-dev-bounces () wireshark org [mailto:wireshark-dev-
> > > bounces () wireshark org] On Behalf Of Gerald Combs
> > > Sent: Monday, April 10, 2017 2:06 PM
> > > To: Developer support list for Wireshark <wireshark-dev () wireshark org>
> > > Subject: Re: [Wireshark-dev] buildbot down?
> > >
> > > On 4/9/17 1:23 AM, Graham Bloice wrote:
> > > > On 9 April 2017 at 01:54, Gerald Combs <gerald () wireshark org
> > > > <mailto:gerald () wireshark org <gerald () wireshark org>>> wrote:
> > > >
> > > >     On 4/8/17 10:47 AM, Peter Wu wrote:
> > > >     >
> > > >     > There is another problem though with the Petri-Dish builder, a
> previous
> > > >     > build on the Petri-Dish Windows x86 builder failed and left a
> process on
> > > >     > the machine, breaking all following builds. Gerald, can you
> have a look?
> > > >     It's back up.
> > > >
> > > >     > Maybe it is an idea to add a pass that kills all
> > > >     > dumpcap/tshark/wireshark processes before starting the build?
> > > (Assuming
> > > >     > that no other builds happen in parallel).
> > > >
> > > >     Is there a straightforward equivalent to "kill -9 $( lsof -t
> > > >     /path/to/buildbot )" on Windows?
> > > >
> > > >
> > > > Difficult to identify which process you want to kill with
> > > > Stop-Process.  With PS 4.0 and later you can run ((Get-Process
> > > > -IncludeUserName).where({$_.username -AND $_.username -notmatch
> > > > "^NT"})) to get the processes owned by the user account running the
> > > > command, but there's still too many in there that shouldn't be
> stopped.
> > > > Maybe Get-Process | Where-Object -Property ProcessName -match
> > > > ".*(Process1|Process2|Process3).*" | Stop-Process would do if the
> > > > number of processes to look for isn't too bad.
> > >
> > > How difficult would it be to parse the output of the Sysinternals
> > > "Handle" utility in PS? That would presumably tell us which process
> > > has the build directory locked while limiting the risk of clobbering
> > > any other Buildbot instances that happen to be running.
> > ________________________________________________________________
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-- 
Graham Bloice

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