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Auto merge of #26875 - servo:jdm-patch-44, r=gterzian

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Don't pretend we support SharedArrayBuffer.

Fixes #26874.
This commit is contained in:
bors-servo 2020-06-16 17:27:07 -04:00 • committed by GitHub
commit 596e9105c5
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14 changed files with 75 additions and 18 deletions
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2
components/script/dom/bindings/interface.rs
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@ -137,7 +137,7 @@ pub unsafe fn create_global_object(
let mut options = RealmOptions::default();
options.creationOptions_.traceGlobal_ = Some(trace);
options.creationOptions_.sharedMemoryAndAtomics_ = true;
options.creationOptions_.sharedMemoryAndAtomics_ = false;
options.creationOptions_.streams_ = true;
rval.set(JS_NewGlobalObject(

9
components/script/script_runtime.rs
View file

@ -45,7 +45,6 @@ use js::jsapi::ContextOptionsRef;
use js::jsapi::GetPromiseUserInputEventHandlingState;
use js::jsapi::InitConsumeStreamCallback;
use js::jsapi::InitDispatchToEventLoop;
use js::jsapi::JS_SetFutexCanWait;
use js::jsapi::MimeType;
use js::jsapi::PromiseUserInputEventHandlingState;
use js::jsapi::StreamConsumer as JSStreamConsumer;
@ -451,14 +450,6 @@ unsafe fn new_rt_and_cx_with_parent(
let (cx, runtime) = if let Some(parent) = parent {
let runtime = RustRuntime::create_with_parent(parent);
let cx = runtime.cx();
// Note: this enables blocking on an Atomics.wait,
// which should only be enabled for an agent whose [[CanBlock]] is true.
// Currently only a dedicated worker agent uses a parent,
// and this agent can block.
// See https://html.spec.whatwg.org/multipage/#integration-with-the-javascript-agent-cluster-formalism
JS_SetFutexCanWait(cx);
(cx, runtime)
} else {
let runtime = RustRuntime::new(JS_ENGINE.lock().unwrap().as_ref().unwrap().clone());