tree d4ebf9f1a1b58b7b13a0409eb9b29c579f876795
parent b414df90b50aaf73dda3708680c6951e7dc8bad9
author Zac Medico <zmedico@gentoo.org> 1526582307 -0700
committer Zac Medico <zmedico@gentoo.org> 1526582307 -0700
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MergeProcess,spawn: unregister SIGCHLD and wakeup_fd (bug 655656)

In order to prevent forked processes from invoking the parent process's
SIGCHLD handler and writing to wakeup_fd (triggering BlockingIOError),
unregister the SIGCHLD and wakeup_fd.

Bug: https://bugs.gentoo.org/655656
Reported-by: Helmut Jarausch <jarausch@igpm.rwth-aachen.de>