do no drain backlog on backpressure (#322)

fakeshadow · web-flow · commit d4829b046def · 2021-04-08T23:15:10.000+01:00
diff --git a/actix-server/src/accept.rs b/actix-server/src/accept.rs
@@ -407,7 +407,7 @@ impl Accept {
     }
 
     fn accept(&mut self, sockets: &mut Slab<ServerSocketInfo>, token: usize) {
-        loop {
+        while !self.backpressure {
             let info = sockets
                 .get_mut(token)
                 .expect("ServerSocketInfo is removed from Slab");

Original file line number	Diff line number	Diff line change
`@@ -407,7 +407,7 @@ impl Accept {`
`407`	`407`	`}`
`408`	`408`
`409`	`409`	`fn accept(&mut self, sockets: &mut Slab<ServerSocketInfo>, token: usize) {`
`410`		`- loop {`
	`410`	`+ while !self.backpressure {`
`411`	`411`	`let info = sockets`
`412`	`412`	`.get_mut(token)`
`413`	`413`	`.expect("ServerSocketInfo is removed from Slab");`