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(parent: 2d42329) | patch
BUG/MEDIUM: fd: Take the fd_mig_lock when closing if no DWCAS is available.
authorOlivier Houchard <cognet@ci0.org>
Thu, 25 Mar 2021 00:38:54 +0000 (01:38 +0100)
committerWilly Tarreau <w@1wt.eu>
Thu, 25 Mar 2021 06:34:35 +0000 (07:34 +0100)
commitc23b33764ea88587193472283c3e2d7a88448392
tree2ae8b9b587bd939e56750773d61c5631ae2eb7bctree | snapshot
parent2d4232901c59b4065003aca7b436185fe7424480commit | diff
BUG/MEDIUM: fd: Take the fd_mig_lock when closing if no DWCAS is available.

In fd_delete(), if we're running with no double-width cas, take the
fd_mig_lock before setting thread_mask to 0 to make sure that
another thread calling fd_set_running() won't miss the new value of
thread_mask and set its bit in running_mask after we checked it.

This should be backported to 2.2 as part of the series fixing fd_delete().
src/fd.c diff | blob | blame | history
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