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[bug #49014] Zombies in parallel builds with pselect code

From: Jörg Sonnenberger
Subject: [bug #49014] Zombies in parallel builds with pselect code
Date: Wed, 14 Sep 2016 14:32:42 +0000 (UTC)
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:48.0) Gecko/20100101 Firefox/48.0

Follow-up Comment #7, bug #49014 (project make):

It's a red herring. FreeBSD has been providing a system call since at least
version 8.1 and 9.0. A correct userland implementation can be done on top of
other primitives like ppoll or kqueue, but that's not relevant here.

The common element for all the reports so far is that the file descriptor for
the jobs pipe got closed and something else is reusing the FD. This is much
more noticable when disabling the pselect use it seems.


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