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script: Make timers per-process (#34581)

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Before all timers were managed by the Constellation process, meaning
that they had to trigger IPC calls to be scheduled and fired. Currently,
timers are only used in the `ScriptThread`, so it makes sense that they
are per-process.

This change restores the timer thread functionality that existed before
avoided entirely. Completion is done using a callback that is sent to
the timer thread similarly to how fetch is done. This allows reusing the
existing task queue without making any new channels.

Fixes #15219.

Signed-off-by: Martin Robinson <mrobinson@igalia.com>
This commit is contained in:
Martin Robinson 2024-12-24 10:53:35 +01:00 • committed by GitHub
parent ff7626bfc6
commit 226299380d
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21 changed files with 366 additions and 324 deletions
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6
components/script/dom/serviceworkerglobalscope.rs
View file

@ -125,6 +125,7 @@ pub enum MixedMessage {
ServiceWorker(ServiceWorkerScriptMsg),
Devtools(DevtoolScriptControlMsg),
Control(ServiceWorkerControlMsg),
Timer,
}
#[derive(Clone, JSTraceable)]
@ -212,6 +213,10 @@ impl WorkerEventLoopMethods for ServiceWorkerGlobalScope {
MixedMessage::Devtools(msg)
}
fn from_timer_msg() -> MixedMessage {
MixedMessage::Timer
}
fn control_receiver(&self) -> &Receiver<ServiceWorkerControlMsg> {
&self.control_receiver
}
@ -433,6 +438,7 @@ impl ServiceWorkerGlobalScope {
MixedMessage::Control(ServiceWorkerControlMsg::Exit) => {
return false;
},
MixedMessage::Timer => {},
}
true
}