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Groups > linux.debian.bugs.dist > #1107914
| From | Marc Haber <mh+debian-packages@zugschlus.de> |
|---|---|
| Newsgroups | linux.debian.bugs.dist |
| Subject | Bug#983405: concurrency |
| Date | 2022-06-27 22:10 +0200 |
| Message-ID | <ED3dv-7DIX-3@gated-at.bofh.it> (permalink) |
| References | <BLJFv-3Ly-3@gated-at.bofh.it> <ECYQx-7AZH-1@gated-at.bofh.it> <BLJFv-3Ly-3@gated-at.bofh.it> <ECYQx-7AZH-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Mon, Jun 27, 2022 at 11:20:45AM -0400, Matt Barry wrote: > 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). /run/adduser please, and probably a simple flock()? lock files in a shell script are a minefield for code running as root, I hope it is easier in perl. Greetings Marc -- ----------------------------------------------------------------------------- Marc Haber | "I don't trust Computers. They | Mailadresse im Header Leimen, Germany | lose things." Winona Ryder | Fon: *49 6224 1600402 Nordisch by Nature | How to make an American Quilt | Fax: *49 6224 1600421
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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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