tokio-rs/tokio
1
0
Fork 0
mirror of https://github.com/tokio-rs/tokio.git synced 2026-08-28 00:00:11 +02:00
Code Issues Packages Projects Releases Wiki Activity

sync: support mpsc send with &self (#2861)

Browse Source 
Updates the mpsc channel to use the intrusive waker based sempahore.
This enables using `Sender` with `&self`.

Instead of using `Sender::poll_ready` to ensure capacity and updating
the `Sender` state, `async fn Sender::reserve()` is added. This function
returns a `Permit` value representing the reserved capacity.

Fixes: #2637
Refs: #2718 (intrusive waiters)
This commit is contained in:
Carl Lerche
2020-09-24 17:26:38 -07:00
committed by GitHub
parent 4186b0aa38
commit cf025ba45f
19 changed files with 473 additions and 2575 deletions
Download Patch File Download Diff File Expand all files Collapse all files
tokio/tests/rt_threaded.rs
+5 -5
View File
@@ -70,7 +70,7 @@ fn many_multishot_futures() {
let (start_tx, mut chain_rx) = tokio::sync::mpsc::channel(10);
for _ in 0..CHAIN {
let (mut next_tx, next_rx) = tokio::sync::mpsc::channel(10);
let (next_tx, next_rx) = tokio::sync::mpsc::channel(10);
// Forward all the messages
rt.spawn(async move {
@@ -83,8 +83,8 @@ fn many_multishot_futures() {
}
// This final task cycles if needed
let (mut final_tx, final_rx) = tokio::sync::mpsc::channel(10);
let mut cycle_tx = start_tx.clone();
let (final_tx, final_rx) = tokio::sync::mpsc::channel(10);
let cycle_tx = start_tx.clone();
let mut rem = CYCLES;
rt.spawn(async move {
@@ -107,7 +107,7 @@ fn many_multishot_futures() {
{
rt.block_on(async move {
for mut start_tx in start_txs {
for start_tx in start_txs {
start_tx.send("ping").await.unwrap();
}
@@ -340,7 +340,7 @@ fn coop_and_block_in_place() {
.unwrap();
rt.block_on(async move {
let (mut tx, mut rx) = tokio::sync::mpsc::channel(1024);
let (tx, mut rx) = tokio::sync::mpsc::channel(1024);
// Fill the channel
for _ in 0..1024 {