electron/patches/chromium/worker_context_will_destroy.patch

80 lines
4.1 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
diff --git a/content/public/renderer/content_renderer_client.h b/content/public/renderer/content_renderer_client.h
index bfc62d1766686981ded5e62ad7da466d3afb9bab..5fa60ba975561626ae3ccecd9968278c547710a0 100644
--- a/content/public/renderer/content_renderer_client.h
+++ b/content/public/renderer/content_renderer_client.h
@@ -385,6 +385,11 @@ 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 8b6182ea88da712e803f42fa2639bee8b6d1e4c4..9243f149915cad703adda00992172ee5f4e8a200 100644
--- a/content/renderer/renderer_blink_platform_impl.cc
+++ b/content/renderer/renderer_blink_platform_impl.cc
@@ -944,6 +944,12 @@ 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 f8c415ed291f5a6f00a7dee6742965a0b9702ca0..c2cba6bb24655cbad4396dc5a56621441c062f7e 100644
--- a/content/renderer/renderer_blink_platform_impl.h
+++ b/content/renderer/renderer_blink_platform_impl.h
@@ -191,6 +191,7 @@ 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 IsExcludedHeaderForServiceWorkerFetchEvent(
const blink::WebString& header_name) override;
diff --git a/third_party/blink/public/platform/platform.h b/third_party/blink/public/platform/platform.h
index 697364569441c43952b58275e0370a6373ac4884..2bc873ddecdde9fd55925e1d650f0978e8e223fd 100644
--- a/third_party/blink/public/platform/platform.h
+++ b/third_party/blink/public/platform/platform.h
@@ -667,6 +667,7 @@ 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 ea864c08bdef41c38ee7f166c2781edba75b5c11..d678022d216f4981c984d9be7e500d9cfbdd6c3c 100644
--- a/third_party/blink/renderer/core/workers/worker_thread.cc
+++ b/third_party/blink/renderer/core/workers/worker_thread.cc
@@ -647,6 +647,12 @@ 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);