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signal: Clarify a comment

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Alex Crichton 2017-01-24 10:59:31 -08:00 committed by Carl Lerche
parent 955cd2836d
commit b6bacc1ca3
1 changed files with 4 additions and 2 deletions
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6
src/unix.rs
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@ -267,8 +267,10 @@ impl Driver {
// has gone away then we can remove that slot. // has gone away then we can remove that slot.
for i in (0..recipients.len()).rev() { for i in (0..recipients.len()).rev() {
// TODO: This thing probably generates unnecessary wakups of // TODO: This thing probably generates unnecessary wakups of
// this task. But let's optimise it later on, when we // this task when `NotReady` is received because we don't
// know this works. // actually want to get woken up to continue sending a
// message. Let's optimise it later on though, as we know
// this works.
match recipients[i].1.start_send(signum) { match recipients[i].1.start_send(signum) {
Ok(AsyncSink::Ready) => {} Ok(AsyncSink::Ready) => {}
Ok(AsyncSink::NotReady(_)) => {} Ok(AsyncSink::NotReady(_)) => {}