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| author | Andrew Gregory <andrew.gregory.8@gmail.com> | 2017-04-16 00:22:51 +0200 |
|---|---|---|
| committer | Andrew Gregory <andrew.gregory.8@gmail.com> | 2017-04-17 01:41:35 +0200 |
| commit | 6a4c6a02de9b45abe4c0f78c4f5d14d92d3359d6 (patch) | |
| tree | a04920b212b8552602d48a978a9ae44441474a7c /doc/PKGBUILD.5.txt | |
| parent | 6d1dcf7937ba3739d17eda614591d1f59ac0bf3a (diff) | |
| download | pacman-6a4c6a02de9b45abe4c0f78c4f5d14d92d3359d6.tar.gz pacman-6a4c6a02de9b45abe4c0f78c4f5d14d92d3359d6.tar.xz | |
use sockets for scriptlet/hook communication
If a scriptlet/hook dies at the wrong moment it can trigger SIGPIPE,
terminating the process. For pipes, there is no way to prevent SIGPIPE
other than ignoring it process-wide. This can have unintended
consequences in a multi-threaded process. Using send(2) with sockets,
however, allows ignoring SIGPIPE on a per-call basis, leaving other
threads able to make use of SIGPIPE.
Signed-off-by: Andrew Gregory <andrew.gregory.8@gmail.com>
Diffstat (limited to 'doc/PKGBUILD.5.txt')
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