57 lines
2.6 KiB
Diff
57 lines
2.6 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Samuel Attard <samuel.r.attard@gmail.com>
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Date: Thu, 18 Oct 2018 17:07:27 -0700
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Subject: isolate_holder.patch
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Pass pre allocated isolate for initialization, node platform
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needs to register on an isolate so that it can be used later
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down in the initialization process of an isolate.
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Specifically, v8::Isolate::Initialize ends up calling
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NodePlatform::GetForegroundTaskRunner, which requires that the
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isolate has previously been registered with NodePlatform::RegisterIsolate.
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However, if we let gin allocate the isolate, there's no opportunity
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for us to register the isolate in between Isolate::Allocate and
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Isolate::Initialize.
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diff --git a/gin/isolate_holder.cc b/gin/isolate_holder.cc
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index 9fd05f22c4f6d484c5cedfa1f38a147158726d42..2897c065246d5336d209d4e5a856fb984d06063f 100644
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--- a/gin/isolate_holder.cc
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+++ b/gin/isolate_holder.cc
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@@ -53,7 +53,8 @@ IsolateHolder::IsolateHolder(
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AccessMode access_mode,
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AllowAtomicsWaitMode atomics_wait_mode,
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IsolateType isolate_type,
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- IsolateCreationMode isolate_creation_mode)
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+ IsolateCreationMode isolate_creation_mode,
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+ v8::Isolate* isolate)
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: access_mode_(access_mode), isolate_type_(isolate_type) {
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DCHECK(task_runner);
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DCHECK(task_runner->BelongsToCurrentThread());
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@@ -61,7 +62,11 @@ IsolateHolder::IsolateHolder(
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v8::ArrayBuffer::Allocator* allocator = g_array_buffer_allocator;
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CHECK(allocator) << "You need to invoke gin::IsolateHolder::Initialize first";
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- isolate_ = v8::Isolate::Allocate();
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+ if (!isolate) {
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+ isolate_ = v8::Isolate::Allocate();
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+ } else {
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+ isolate_ = isolate;
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+ }
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isolate_data_ = std::make_unique<PerIsolateData>(isolate_, allocator,
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access_mode_, task_runner);
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if (isolate_creation_mode == IsolateCreationMode::kCreateSnapshot) {
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diff --git a/gin/public/isolate_holder.h b/gin/public/isolate_holder.h
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index 6bd634c4a66999648c51b8867c0d9b0ccbda78f1..d596a0e73fe6cd270d43109b7c9e8cc7021d3d60 100644
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--- a/gin/public/isolate_holder.h
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+++ b/gin/public/isolate_holder.h
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@@ -74,7 +74,8 @@ class GIN_EXPORT IsolateHolder {
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AccessMode access_mode,
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AllowAtomicsWaitMode atomics_wait_mode,
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IsolateType isolate_type,
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- IsolateCreationMode isolate_creation_mode = IsolateCreationMode::kNormal);
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+ IsolateCreationMode isolate_creation_mode = IsolateCreationMode::kNormal,
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+ v8::Isolate* isolate = nullptr);
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IsolateHolder(const IsolateHolder&) = delete;
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IsolateHolder& operator=(const IsolateHolder&) = delete;
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~IsolateHolder();
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