From: Eric Wong <normalperson@...>
Date: 2021-10-01T04:48:00+00:00
Subject: [ruby-core:105517] Re: [Ruby master Feature#18228] Add a `timeout` option to `IO.copy_stream`

"Eregon (Benoit Daloze)" <noreply@ruby-lang.org> wrote:
> I wonder, can `sendfile(2)` be interrupted by a signal like SIGVTALRM like for read/write?
> That might be another strategy to implement a timeout for it.

For the socket/pipe ends, yes (if blocking), that is
interruptible.  Not for regular files (unless it's something
like NFS mounted with interrupts enabled).

> Feature #18228: Add a `timeout` option to `IO.copy_stream`
> https://bugs.ruby-lang.org/issues/18228#change-93902

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