mirror of
https://github.com/electron/electron.git
synced 2026-04-10 03:01:51 -04:00
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 36b734254b0c5836e9765f52587b7a1967c5c486..b7c3a63d126c1f8d83673c456d71c946d50ca067 100644
|
|
--- a/content/public/renderer/content_renderer_client.h
|
|
+++ b/content/public/renderer/content_renderer_client.h
|
|
@@ -418,6 +418,11 @@ 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 6eedc70574ff328fc0ca3eb6f06fefd36b6d317f..2d420c91bff17baf1f6525e40248ce2a8ef011db 100644
|
|
--- a/content/renderer/renderer_blink_platform_impl.cc
|
|
+++ b/content/renderer/renderer_blink_platform_impl.cc
|
|
@@ -922,6 +922,12 @@ 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 4535d0bf0328301f6ed1a602f6ff97a0243f7685..e191b4ef4185a6cb745c50e949ce6281719e0265 100644
|
|
--- a/content/renderer/renderer_blink_platform_impl.h
|
|
+++ b/content/renderer/renderer_blink_platform_impl.h
|
|
@@ -209,6 +209,7 @@ 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 a26e45d64229f692efb4a218c653afc212788d1f..4c797975567026268ea107f42e47f6411c5b7311 100644
|
|
--- a/third_party/blink/public/platform/platform.h
|
|
+++ b/third_party/blink/public/platform/platform.h
|
|
@@ -685,6 +685,7 @@ 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 0660054931e295abafb420ce567f6b45d9af39d6..bea00fa0a9faaa0c0e7fa5b444c1e485d1e883d1 100644
|
|
--- a/third_party/blink/renderer/core/workers/worker_thread.cc
|
|
+++ b/third_party/blink/renderer/core/workers/worker_thread.cc
|
|
@@ -824,6 +824,12 @@ 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);
|
|
|