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This commit is contained in:
Yury Yarashevich 2023-10-19 11:24:14 +02:00
parent 7cc4210eb3
commit 7ecbefde38
1 changed files with 6 additions and 1 deletions
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7
actix-http/src/encoding/encoder.rs
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@ -333,9 +333,14 @@ impl CooperativeContentEncoder {
self: Pin<&mut Self>,
cx: &mut Context<'_>,
) -> Poll<Result<Option<Bytes>, EncoderError>> {
// The maximum computing budget can be utilized before yielding voluntarily
// See inspiration:
// https://tokio.rs/blog/2020-04-preemption
// https://ryhl.io/blog/async-what-is-blocking/
const BUDGET_LIMIT: u8 = 8;
let this = self.get_mut();
loop {
if this.budget_used > 8 {
if this.budget_used > BUDGET_LIMIT {
this.budget_used = 0;
cx.waker().wake_by_ref();
return Poll::Pending;