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Update crossbeam-channel to 0.3

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This commit is contained in:
Bastien Orivel 2018-11-07 19:48:07 +01:00
parent 76195e0779
commit 9a7eeb349a
74 changed files with 303 additions and 521 deletions
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30
components/script/dom/abstractworkerglobalscope.rs
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@ -11,8 +11,8 @@ use crate::dom::worker::TrustedWorkerAddress;
use crate::dom::workerglobalscope::WorkerGlobalScope;
use crate::script_runtime::{CommonScriptMsg, ScriptChan, ScriptPort};
use crate::task_queue::{QueuedTaskConversion, TaskQueue};
use crossbeam_channel::{Receiver, Sender};
use devtools_traits::DevtoolScriptControlMsg;
use servo_channel::{Receiver, Sender};
/// A ScriptChan that can be cloned freely and will silently send a TrustedWorkerAddress with
/// common event loop messages. While this SendableWorkerScriptChan is alive, the associated
@ -69,9 +69,9 @@ impl ScriptChan for WorkerThreadWorkerChan {
impl ScriptPort for Receiver<DedicatedWorkerScriptMsg> {
fn recv(&self) -> Result<CommonScriptMsg, ()> {
let common_msg = match self.recv() {
Some(DedicatedWorkerScriptMsg::CommonWorker(_worker, common_msg)) => common_msg,
None => return Err(()),
Some(DedicatedWorkerScriptMsg::WakeUp) => panic!("unexpected worker event message!"),
Ok(DedicatedWorkerScriptMsg::CommonWorker(_worker, common_msg)) => common_msg,
Err(_) => return Err(()),
Ok(DedicatedWorkerScriptMsg::WakeUp) => panic!("unexpected worker event message!"),
};
match common_msg {
WorkerScriptMsg::Common(script_msg) => Ok(script_msg),
@ -108,17 +108,18 @@ pub fn run_worker_event_loop<T, TimerMsg, WorkerMsg, Event>(
let scope = worker_scope.upcast::<WorkerGlobalScope>();
let timer_event_port = worker_scope.timer_event_port();
let devtools_port = match scope.from_devtools_sender() {
Some(_) => Some(scope.from_devtools_receiver().select()),
Some(_) => Some(scope.from_devtools_receiver()),
None => None,
};
let task_queue = worker_scope.task_queue();
let event = select! {
recv(task_queue.select(), msg) => {
recv(task_queue.select()) -> msg => {
task_queue.take_tasks(msg.unwrap());
worker_scope.from_worker_msg(task_queue.recv().unwrap())
},
recv(timer_event_port.select(), msg) => worker_scope.from_timer_msg(msg.unwrap()),
recv(devtools_port, msg) => worker_scope.from_devtools_msg(msg.unwrap()),
recv(timer_event_port) -> msg => worker_scope.from_timer_msg(msg.unwrap()),
recv(devtools_port.unwrap_or(&crossbeam_channel::never())) -> msg =>
worker_scope.from_devtools_msg(msg.unwrap()),
};
let mut sequential = vec![];
sequential.push(event);
@ -131,14 +132,15 @@ pub fn run_worker_event_loop<T, TimerMsg, WorkerMsg, Event>(
// Batch all events that are ready.
// The task queue will throttle non-priority tasks if necessary.
match task_queue.try_recv() {
None => match timer_event_port.try_recv() {
None => match devtools_port.and_then(|port| port.try_recv()) {
None => break,
Some(ev) => sequential.push(worker_scope.from_devtools_msg(ev)),
Err(_) => match timer_event_port.try_recv() {
Err(_) => match devtools_port.map(|port| port.try_recv()) {
None => {},
Some(Err(_)) => break,
Some(Ok(ev)) => sequential.push(worker_scope.from_devtools_msg(ev)),
},
Some(ev) => sequential.push(worker_scope.from_timer_msg(ev)),
Ok(ev) => sequential.push(worker_scope.from_timer_msg(ev)),
},
Some(ev) => sequential.push(worker_scope.from_worker_msg(ev)),
Ok(ev) => sequential.push(worker_scope.from_worker_msg(ev)),
}
}
// Step 3