Groups > linux.debian.bugs.dist > #1107886

Bug#983405: concurrency

From	Matt Barry <matt@hazelmollusk.org>
Newsgroups	linux.debian.bugs.dist
Subject	Bug#983405: concurrency
Date	2022-06-27 17:30 +0200
Message-ID	<ECYQx-7AZH-1@gated-at.bofh.it> (permalink)
References	<BLJFv-3Ly-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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The simplest way I can think of to solve this is:

(start)
	mkdir /tmp/adduser.lock
	sleep and loop until mkdir succeeds

(end)
	remove /tmp/adduser.lock

which should be atomic assuming a local /tmp.

One could possibly add a /tmp/adduser.lock/adduser.pid and check for a
dead lock.. I hesitate to overcomplicate this one (and certainly don't
want a dependency for it).

Thoughts?

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Bug#983405: concurrency Matt Barry <matt@hazelmollusk.org> - 2022-06-27 17:30 +0200
  Bug#983405: concurrency Marc Haber <mh+debian-packages@zugschlus.de> - 2022-06-27 22:10 +0200
    Bug#983405: concurrency Matt Barry <matt@hazelmollusk.org> - 2022-06-28 19:40 +0200
      Bug#983405: concurrency Marc Haber <mh+debian-packages@zugschlus.de> - 2022-06-29 11:20 +0200
        Bug#983405: concurrency Matt Barry <matt@hazelmollusk.org> - 2022-06-29 13:40 +0200
          Bug#983405: concurrency Marc Haber <mh+debian-packages@zugschlus.de> - 2022-06-29 15:00 +0200

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