tree 2b9cccff278644025084da4b8f7b34f9af471816
parent 772c692150c711d7bdd72b5c6287072b8914e519
author Tim Zhang <tim@hyper.sh> 1621914054 +0800
committer Thomas de Zeeuw <thomasdezeeuw@gmail.com> 1623405353 +0000

Set FD_CLOEXEC for duped epoll_fd

The close-on-exec flag (FD_CLOEXEC; see fcntl(2)) for the duplicate descriptor is off
and we should set it manually.

Fixes: tokio-rs/tokio#3809

Signed-off-by: Tim Zhang <tim@hyper.sh>