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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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GPG key ID: B5690EEEBB952194
21 changed files with 366 additions and 324 deletions
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6
components/script/dom/dedicatedworkerglobalscope.rs
View file

@ -110,6 +110,7 @@ pub enum MixedMessage {
Worker(DedicatedWorkerScriptMsg),
Devtools(DevtoolScriptControlMsg),
Control(DedicatedWorkerControlMsg),
Timer,
}
impl QueuedTaskConversion for DedicatedWorkerScriptMsg {
@ -234,6 +235,10 @@ impl WorkerEventLoopMethods for DedicatedWorkerGlobalScope {
MixedMessage::Devtools(msg)
}
fn from_timer_msg() -> MixedMessage {
MixedMessage::Timer
}
fn control_receiver(&self) -> &Receiver<DedicatedWorkerControlMsg> {
&self.control_receiver
}
@ -564,6 +569,7 @@ impl DedicatedWorkerGlobalScope {
MixedMessage::Control(DedicatedWorkerControlMsg::Exit) => {
return false;
},
MixedMessage::Timer => {},
}
true
}