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Update comment in 'Listener' sleep code.

This commit is contained in:
Sergio Benitez 2022-05-18 17:29:21 -07:00
parent bf2bd0e9ed
commit 68185ce0e2
1 changed files with 9 additions and 8 deletions
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11
core/http/src/listener.rs
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@ -143,11 +143,12 @@ impl<L: Listener> Incoming<L> {
cx: &mut Context<'_> cx: &mut Context<'_>
) -> Poll<io::Result<L::Connection>> { ) -> Poll<io::Result<L::Connection>> {
/// This function defines per-connection errors: errors that affect only /// This function defines per-connection errors: errors that affect only
/// a single connection. Since the error affects only one connection, we /// a single connection's accept() and don't imply anything about the
/// can attempt to `accept()` another connection immediately. All other /// success probability of the next accept(). Thus, we can attempt to
/// errors will incur a delay before the next `accept()` is performed. /// `accept()` another connection immediately. All other errors will
/// The delay is useful to handle resource exhaustion errors like ENFILE /// incur a delay before the next `accept()` is performed. The delay is
/// and EMFILE. Otherwise, could enter into tight loop. /// useful to handle resource exhaustion errors like ENFILE and EMFILE.
/// Otherwise, could enter into tight loop.
fn is_connection_error(e: &io::Error) -> bool { fn is_connection_error(e: &io::Error) -> bool {
matches!(e.kind(), matches!(e.kind(),
| io::ErrorKind::ConnectionRefused | io::ErrorKind::ConnectionRefused