electron/patches/chromium/worker_context_will_destroy.patch
John Kleinschmidt 9f5e3f6685 Update patches
2021-03-16 10:01:00 -04:00

85 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 f84df6e5816063072c7e32afcd90e7d590b83974..f259835ef4cabb8923f8b0fe9b3f6ae8f2b2b79f 100644
--- a/content/public/renderer/content_renderer_client.h
+++ b/content/public/renderer/content_renderer_client.h
@@ -371,6 +371,11 @@ 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 7aec578843ce514da499fc40ddb8a9ceb8e7a78f..8b2287e020172e17c5dc5fa28a19ac7a251d4732 100644
--- a/content/renderer/renderer_blink_platform_impl.cc
+++ b/content/renderer/renderer_blink_platform_impl.cc
@@ -910,6 +910,12 @@ 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 7a836b82ee155148ea8711b0f933331074d24524..4e3805bbef80957ff7d2c42282eaf9f8fedac46c 100644
--- a/content/renderer/renderer_blink_platform_impl.h
+++ b/content/renderer/renderer_blink_platform_impl.h
@@ -194,6 +194,7 @@ 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 b5904a748f70b86df3ffda9ed8f0cab1132ad35d..911708b508fb38c0f22b3ceaa92fc6a66308ac17 100644
--- a/third_party/blink/public/platform/platform.h
+++ b/third_party/blink/public/platform/platform.h
@@ -684,6 +684,7 @@ 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 f3112e1618c7040e6781a19519a19cded9b1335d..aeeeae4b4b9429a6c3cb3c91ae0c642e74fdcc36 100644
--- a/third_party/blink/renderer/core/workers/worker_thread.cc
+++ b/third_party/blink/renderer/core/workers/worker_thread.cc
@@ -738,6 +738,12 @@ void WorkerThread::PrepareForShutdownOnWorkerThread() {
nested_runner_->QuitNow();
}
+ {
+ v8::HandleScope handle_scope(GetIsolate());
+ Platform::Current()->WorkerContextWillDestroy(
+ GlobalScope()->ScriptController()->GetContext());
+ }
+
if (WorkerThreadDebugger* debugger = WorkerThreadDebugger::From(GetIsolate()))
debugger->WorkerThreadDestroyed(this);