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  • Committer: Teddy Hogeborn
  • Date: 2019-07-30 17:03:57 UTC
  • Revision ID: teddy@recompile.se-20190730170357-jte0piul5mq7j5pr
Server: Reap zombies created by multiprocessing.Process()

When creating checkers as multiprocessing.Process() objects, the
multiprocessing module also creates a parent process (for the
call_pipe() function) to call the actual checker process, but this
parent process is not reaped.  This is not a huge problem, since the
zombie is always reaped automatically the next time the multiprocess
starts a new process, but the zombies can be up to as many as there
have ever been simultaneous checker processes.  To fix this, the
process object must be join():ed when they report completion of the
child checker process.

* mandos (Client): Fix doc string to correctly state that
                   Client.checker is a multiprocess.Process() and not
                   a subprocess.Popen() object.
  (Client.checker_callback): After the returncode of the checker
                             process has been read, wait for the
                             self.checker Process object to finish by
                             calling join() on it.

Reported-by: Peter Palfrader <weasel@debian.org>

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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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        "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY COMMANDNAME "askpass-fifo">
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<!ENTITY TIMESTAMP "2016-02-28">
 
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<!ENTITY TIMESTAMP "2019-02-10">
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<!ENTITY % common SYSTEM "../common.ent">
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%common;
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]>
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      <year>2014</year>
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      <year>2015</year>
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      <year>2016</year>
 
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      <year>2017</year>
 
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      <year>2018</year>
 
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      <year>2019</year>
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      <holder>Teddy Hogeborn</holder>
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      <holder>Björn Påhlsson</holder>
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    </copyright>
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    <xi:include href="../legalnotice.xml"/>
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  </refentryinfo>
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  <refmeta>
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    </variablelist>
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  </refsect1>
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  <refsect1 id="bugs">
 
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    <title>BUGS</title>
 
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    <xi:include href="../bugs.xml"/>
 
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  </refsect1>
 
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  <refsect1 id="example">
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    <title>EXAMPLE</title>
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    <para>