From 1af02b405e99f40bfe76ca7dfb596e6de959106b Mon Sep 17 00:00:00 2001 From: Ryan Dahl Date: Sun, 28 Apr 2019 14:15:15 -0700 Subject: Revert "recover: #1517 Kill all pending accepts when TCP listener is closed (#2224)" (#2239) Crashes while running wrk against js/deps/https/deno.land/std/http/http_bench.ts This reverts commit 972ac03858cc11e8b6bb759ee69640d17235580d. --- cli/resources.rs | 37 ------------------------------------- 1 file changed, 37 deletions(-) (limited to 'cli/resources.rs') diff --git a/cli/resources.rs b/cli/resources.rs index 66a2ebdb3..3a7121d4c 100644 --- a/cli/resources.rs +++ b/cli/resources.rs @@ -171,49 +171,12 @@ impl Resource { } } - /// Track the current task (for TcpListener resource). - /// Throws an error if another task is already tracked. - pub fn track_task(&mut self) -> Result<(), std::io::Error> { - let mut table = RESOURCE_TABLE.lock().unwrap(); - // Only track if is TcpListener. - if let Some(Repr::TcpListener(_, t)) = table.get_mut(&self.rid) { - // Currently, we only allow tracking a single accept task for a listener. - // This might be changed in the future with multiple workers. - // Caveat: TcpListener by itself also only tracks an accept task at a time. - // See https://github.com/tokio-rs/tokio/issues/846#issuecomment-454208883 - if t.is_some() { - return Err(std::io::Error::new( - std::io::ErrorKind::Other, - "Another accept task is ongoing", - )); - } - t.replace(futures::task::current()); - } - Ok(()) - } - - /// Stop tracking a task (for TcpListener resource). - /// Happens when the task is done and thus no further tracking is needed. - pub fn untrack_task(&mut self) { - let mut table = RESOURCE_TABLE.lock().unwrap(); - // Only untrack if is TcpListener. - if let Some(Repr::TcpListener(_, t)) = table.get_mut(&self.rid) { - assert!(t.is_some()); - t.take(); - } - } - // close(2) is done by dropping the value. Therefore we just need to remove // the resource from the RESOURCE_TABLE. pub fn close(&self) { let mut table = RESOURCE_TABLE.lock().unwrap(); let r = table.remove(&self.rid); assert!(r.is_some()); - // If TcpListener, we must kill all pending accepts! - if let Repr::TcpListener(_, Some(t)) = r.unwrap() { - // Call notify on the tracked task, so that they would error out. - t.notify(); - } } pub fn shutdown(&mut self, how: Shutdown) -> Result<(), DenoError> { -- cgit v1.2.3