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Set FD_CLOEXEC flag on duplicated kqueue Poll #1498

Merged
merged 2 commits into from Jun 14, 2021
Merged

Set FD_CLOEXEC flag on duplicated kqueue Poll #1498

merged 2 commits into from Jun 14, 2021

Commits on Jun 12, 2021

  1. Set FD_CLOEXEC flag on duplicated kqueue Poll 

    Same as commit c52635c, but for kqueue.
    @Thomasdezeeuw
    Thomasdezeeuw committed Jun 12, 2021
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  2. Fix Selector::try_clone 

    Calls fcntl F_DUPFD_CLOEXEC expects two arguments; the command
(F_DUPFD_CLOEXEC) and an argument for the command. In this case an lower
bound for the resulting file descriptor. Because we didn't provide a
value it would take whatever value was left in the register from
whatever code used it before the system call.

This caused Waker::new to fail, see issue
tokio-rs#1497.
    @Thomasdezeeuw
    Thomasdezeeuw committed Jun 12, 2021
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