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use static dispatch on signal handling. reduce allocation (#272)

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fakeshadow 2021-02-05 19:38:11 -08:00 committed by GitHub
parent a77b70aed2
commit ebb9cd055f
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2 changed files with 20 additions and 24 deletions

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@ -26,8 +26,8 @@ macros = ["actix-macros"]
actix-macros = { version = "0.2.0", optional = true }
futures-core = { version = "0.3", default-features = false }
tokio = { version = "1", features = ["rt", "net", "parking_lot", "signal", "sync", "time"] }
tokio = { version = "1.2", features = ["rt", "net", "parking_lot", "signal", "sync", "time"] }
[dev-dependencies]
tokio = { version = "1", features = ["full"] }
tokio = { version = "1.2", features = ["full"] }
hyper = { version = "0.14", default-features = false, features = ["server", "tcp", "http1"] }

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@ -2,8 +2,6 @@ use std::future::Future;
use std::pin::Pin;
use std::task::{Context, Poll};
use futures_core::future::LocalBoxFuture;
use crate::server::Server;
/// Different types of process signals
@ -23,9 +21,9 @@ pub(crate) enum Signal {
pub(crate) struct Signals {
srv: Server,
#[cfg(not(unix))]
signals: LocalBoxFuture<'static, std::io::Result<()>>,
signals: futures_core::future::LocalBoxFuture<'static, std::io::Result<()>>,
#[cfg(unix)]
signals: Vec<(Signal, LocalBoxFuture<'static, ()>)>,
signals: Vec<(Signal, actix_rt::signal::unix::Signal)>,
}
impl Signals {
@ -48,23 +46,21 @@ impl Signals {
(unix::SignalKind::quit(), Signal::Quit),
];
let mut signals = Vec::new();
for (kind, sig) in sig_map.iter() {
match unix::signal(*kind) {
Ok(mut stream) => {
let fut = Box::pin(async move {
let _ = stream.recv().await;
}) as _;
signals.push((*sig, fut));
}
Err(e) => log::error!(
"Can not initialize stream handler for {:?} err: {}",
sig,
e
),
}
}
let signals = sig_map
.iter()
.filter_map(|(kind, sig)| {
unix::signal(*kind)
.map(|tokio_sig| (*sig, tokio_sig))
.map_err(|e| {
log::error!(
"Can not initialize stream handler for {:?} err: {}",
sig,
e
)
})
.ok()
})
.collect::<Vec<_>>();
actix_rt::spawn(Signals { srv, signals });
}
@ -86,7 +82,7 @@ impl Future for Signals {
#[cfg(unix)]
{
for (sig, fut) in self.signals.iter_mut() {
if fut.as_mut().poll(cx).is_ready() {
if Pin::new(fut).poll_recv(cx).is_ready() {
let sig = *sig;
self.srv.signal(sig);
return Poll::Ready(());