mirror of https://github.com/electron/electron
86 lines
4.4 KiB
Diff
86 lines
4.4 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
|
|
From: Cheng Zhao <zcbenz@gmail.com>
|
|
Date: Thu, 20 Sep 2018 17:47:12 -0700
|
|
Subject: worker_context_will_destroy.patch
|
|
|
|
This adds a hook for worker context destruction, which we use in Electron to
|
|
shutdown node integration in the worker if relevant.
|
|
|
|
An attempt to upstream this was made, but rejected:
|
|
https://chromium-review.googlesource.com/c/chromium/src/+/1954347
|
|
|
|
diff --git a/content/public/renderer/content_renderer_client.h b/content/public/renderer/content_renderer_client.h
|
|
index a062418a22ec911a1b2d3032c0668e762bfa3cd9..14f98001c553e6eaac75a7d54188556c18dd1e41 100644
|
|
--- a/content/public/renderer/content_renderer_client.h
|
|
+++ b/content/public/renderer/content_renderer_client.h
|
|
@@ -395,6 +395,11 @@ class CONTENT_EXPORT ContentRendererClient {
|
|
virtual void DidInitializeWorkerContextOnWorkerThread(
|
|
v8::Local<v8::Context> context) {}
|
|
|
|
+ // Notifies that a worker context will be destroyed. This function is called
|
|
+ // from the worker thread.
|
|
+ virtual void WillDestroyWorkerContextOnWorkerThread(
|
|
+ v8::Local<v8::Context> context) {}
|
|
+
|
|
// Overwrites the given URL to use an HTML5 embed if possible.
|
|
// An empty URL is returned if the URL is not overriden.
|
|
virtual GURL OverrideFlashEmbedWithHTML(const GURL& url);
|
|
diff --git a/content/renderer/renderer_blink_platform_impl.cc b/content/renderer/renderer_blink_platform_impl.cc
|
|
index 1dfbc143a91e50a7421e28c2960f2cf8d81a5800..4cfda323ce1847ac34bc60bca22a2044e66b92fe 100644
|
|
--- a/content/renderer/renderer_blink_platform_impl.cc
|
|
+++ b/content/renderer/renderer_blink_platform_impl.cc
|
|
@@ -846,6 +846,12 @@ void RendererBlinkPlatformImpl::WillStopWorkerThread() {
|
|
WorkerThreadRegistry::Instance()->WillStopCurrentWorkerThread();
|
|
}
|
|
|
|
+void RendererBlinkPlatformImpl::WorkerContextWillDestroy(
|
|
+ const v8::Local<v8::Context>& worker) {
|
|
+ GetContentClient()->renderer()->WillDestroyWorkerContextOnWorkerThread(
|
|
+ worker);
|
|
+}
|
|
+
|
|
void RendererBlinkPlatformImpl::WorkerContextCreated(
|
|
const v8::Local<v8::Context>& worker) {
|
|
GetContentClient()->renderer()->DidInitializeWorkerContextOnWorkerThread(
|
|
diff --git a/content/renderer/renderer_blink_platform_impl.h b/content/renderer/renderer_blink_platform_impl.h
|
|
index d5ab3967f21ccfc65171366580ba6bbd7532e5eb..00be5a58e202cf4830397f3386384f7dc8b8e19a 100644
|
|
--- a/content/renderer/renderer_blink_platform_impl.h
|
|
+++ b/content/renderer/renderer_blink_platform_impl.h
|
|
@@ -186,6 +186,7 @@ class CONTENT_EXPORT RendererBlinkPlatformImpl : public BlinkPlatformImpl {
|
|
void DidStartWorkerThread() override;
|
|
void WillStopWorkerThread() override;
|
|
void WorkerContextCreated(const v8::Local<v8::Context>& worker) override;
|
|
+ void WorkerContextWillDestroy(const v8::Local<v8::Context>& worker) override;
|
|
bool AllowScriptExtensionForServiceWorker(
|
|
const blink::WebSecurityOrigin& script_origin) override;
|
|
blink::ProtocolHandlerSecurityLevel GetProtocolHandlerSecurityLevel(
|
|
diff --git a/third_party/blink/public/platform/platform.h b/third_party/blink/public/platform/platform.h
|
|
index 38c079e1f9c371854922afccdd73dac65a75240d..f5f0b31af8c18a6e290bcc3605bf43f5fd522b66 100644
|
|
--- a/third_party/blink/public/platform/platform.h
|
|
+++ b/third_party/blink/public/platform/platform.h
|
|
@@ -632,6 +632,7 @@ class BLINK_PLATFORM_EXPORT Platform {
|
|
virtual void DidStartWorkerThread() {}
|
|
virtual void WillStopWorkerThread() {}
|
|
virtual void WorkerContextCreated(const v8::Local<v8::Context>& worker) {}
|
|
+ virtual void WorkerContextWillDestroy(const v8::Local<v8::Context>& worker) {}
|
|
virtual bool AllowScriptExtensionForServiceWorker(
|
|
const WebSecurityOrigin& script_origin) {
|
|
return false;
|
|
diff --git a/third_party/blink/renderer/core/workers/worker_thread.cc b/third_party/blink/renderer/core/workers/worker_thread.cc
|
|
index fc4eee1c0b3b2906ddc004d6069ff62ee5ee4a3a..587c47b92935fa740390eacdb0f73be6da5027c8 100644
|
|
--- a/third_party/blink/renderer/core/workers/worker_thread.cc
|
|
+++ b/third_party/blink/renderer/core/workers/worker_thread.cc
|
|
@@ -756,6 +756,12 @@ void WorkerThread::PrepareForShutdownOnWorkerThread() {
|
|
}
|
|
pause_handle_.reset();
|
|
|
|
+ {
|
|
+ v8::HandleScope handle_scope(GetIsolate());
|
|
+ Platform::Current()->WorkerContextWillDestroy(
|
|
+ GlobalScope()->ScriptController()->GetContext());
|
|
+ }
|
|
+
|
|
if (WorkerThreadDebugger* debugger = WorkerThreadDebugger::From(GetIsolate()))
|
|
debugger->WorkerThreadDestroyed(this);
|
|
|