AbortController: integrate with stream piping. (#37244)

Start using abort signal in Use in
https://streams.spec.whatwg.org/#readablestream-pipe-to-signal

Part of https://github.com/servo/servo/issues/34866

Will also cover https://github.com/servo/servo/issues/37230 and
https://github.com/servo/servo/issues/37232

---------

Signed-off-by: gterzian <2792687+gterzian@users.noreply.github.com>
This commit is contained in:
Gregory Terzian 2025-06-13 16:52:38 +07:00 committed by GitHub
parent 099fd10317
commit 730fe35b42
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10 changed files with 508 additions and 263 deletions

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@ -10,6 +10,7 @@ use crate::dom::bindings::codegen::Bindings::AbortControllerBinding::AbortContro
use crate::dom::bindings::reflector::{Reflector, reflect_dom_object_with_proto};
use crate::dom::bindings::root::{Dom, DomRoot};
use crate::dom::globalscope::GlobalScope;
use crate::realms::InRealm;
use crate::script_runtime::{CanGc, JSContext};
/// <https://dom.spec.whatwg.org/#abortcontroller>
@ -23,23 +24,27 @@ pub(crate) struct AbortController {
impl AbortController {
/// <https://dom.spec.whatwg.org/#dom-abortcontroller-abortcontroller>
fn new_inherited() -> AbortController {
// The new AbortController() constructor steps are:
// Let signal be a new AbortSignal object.
fn new_inherited(signal: &AbortSignal) -> AbortController {
// Note: continuation of the constructor steps.
// Set thiss signal to signal.
AbortController {
reflector_: Reflector::new(),
signal: Dom::from_ref(&AbortSignal::new_inherited()),
signal: Dom::from_ref(signal),
}
}
/// <https://dom.spec.whatwg.org/#dom-abortcontroller-abortcontroller>
fn new_with_proto(
global: &GlobalScope,
proto: Option<HandleObject>,
can_gc: CanGc,
) -> DomRoot<AbortController> {
// The new AbortController() constructor steps are:
// Let signal be a new AbortSignal object.
let signal = AbortSignal::new_with_proto(global, None, can_gc);
reflect_dom_object_with_proto(
Box::new(AbortController::new_inherited()),
Box::new(AbortController::new_inherited(&signal)),
global,
proto,
can_gc,
@ -47,9 +52,9 @@ impl AbortController {
}
/// <https://dom.spec.whatwg.org/#abortcontroller-signal-abort>
fn signal_abort(&self, cx: JSContext, reason: HandleValue, can_gc: CanGc) {
fn signal_abort(&self, cx: JSContext, reason: HandleValue, realm: InRealm, can_gc: CanGc) {
// signal abort on controllers signal with reason if it is given.
self.signal.signal_abort(cx, reason, can_gc);
self.signal.signal_abort(cx, reason, realm, can_gc);
}
}
@ -64,10 +69,10 @@ impl AbortControllerMethods<crate::DomTypeHolder> for AbortController {
}
/// <https://dom.spec.whatwg.org/#dom-abortcontroller-abort>
fn Abort(&self, cx: JSContext, reason: HandleValue, can_gc: CanGc) {
fn Abort(&self, cx: JSContext, reason: HandleValue, realm: InRealm, can_gc: CanGc) {
// The abort(reason) method steps are
// to signal abort on this with reason if it is given.
self.signal_abort(cx, reason, can_gc);
self.signal_abort(cx, reason, realm, can_gc);
}
/// <https://dom.spec.whatwg.org/#dom-abortcontroller-signal>