| Subject: | epoll: fix misordered EPOLL_CTL_DEL call |
| Date: | Wed, 8 May 2019 19:02:56 +0000 |
| To: | bug-Danga-Socket [...] rt.cpan.org |
| From: | Eric Wong <e [...] 80x24.org> |
Any operations on an fd after POSIX::close() are invalid, so
epoll_ctl will fail. Worse off, in a multi-threaded Perl, the
fd may be reused by another thread and EPOLL_CTL_DEL can hit the
wrong file description as a result.
Patch attached.
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