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worker: set up child Isolate inside Worker thread #26011

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addaleax wants to merge 7 commits into from
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worker: set up child Isolate inside Worker thread #26011

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f2eecf4
worker: pre-allocate thread id
addaleax Feb 8, 2019
406c805
worker: set up child Isolate inside Worker thread
addaleax Feb 8, 2019
2265a47
test: add `Worker` + `--prof` regression test
addaleax Feb 8, 2019
482715b
fixup! worker: pre-allocate thread id
addaleax Feb 9, 2019
542d3bb
fixup! worker: set up child Isolate inside Worker thread
addaleax Feb 9, 2019
124ce9b
fixup! fixup! worker: set up child Isolate inside Worker thread
addaleax Feb 9, 2019
557e241
fixup! worker: set up child Isolate inside Worker thread
addaleax Feb 10, 2019
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9 changes: 7 additions & 2 deletions src/env.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -169,9 +169,14 @@ void Environment::TrackingTraceStateObserver::UpdateTraceCategoryState() {

static std::atomic<uint64_t> next_thread_id{0};

uint64_t Environment::AllocateThreadId() {
return next_thread_id++;
}

Environment::Environment(IsolateData* isolate_data,
Local<Context> context,
Flags flags)
Flags flags,
uint64_t thread_id)
: isolate_(context->GetIsolate()),
isolate_data_(isolate_data),
immediate_info_(context->GetIsolate()),
Expand All @@ -181,7 +186,7 @@ Environment::Environment(IsolateData* isolate_data,
trace_category_state_(isolate_, kTraceCategoryCount),
stream_base_state_(isolate_, StreamBase::kNumStreamBaseStateFields),
flags_(flags),
thread_id_(next_thread_id++),
thread_id_(thread_id == kNoThreadId ? AllocateThreadId() : thread_id),
fs_stats_field_array_(isolate_, kFsStatsBufferLength),
fs_stats_field_bigint_array_(isolate_, kFsStatsBufferLength),
context_(context->GetIsolate(), context) {
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6 changes: 5 additions & 1 deletion src/env.h
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Expand Up @@ -618,7 +618,8 @@ class Environment {

Environment(IsolateData* isolate_data,
v8::Local<v8::Context> context,
Flags flags = Flags());
Flags flags = Flags(),
uint64_t thread_id = kNoThreadId);
~Environment();

void Start(bool start_profiler_idle_notifier);
Expand Down Expand Up @@ -769,6 +770,9 @@ class Environment {
inline bool has_run_bootstrapping_code() const;
inline void set_has_run_bootstrapping_code(bool has_run_bootstrapping_code);

static uint64_t AllocateThreadId();
static constexpr uint64_t kNoThreadId = -1;

inline bool is_main_thread() const;
inline bool owns_process_state() const;
inline bool owns_inspector() const;
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14 changes: 8 additions & 6 deletions src/inspector_agent.cc
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Expand Up @@ -885,12 +885,14 @@ bool Agent::IsActive() {
return io_ != nullptr || client_->IsActive();
}

void Agent::AddWorkerInspector(int thread_id,
const std::string& url,
Agent* agent) {
CHECK_NOT_NULL(client_);
agent->parent_handle_ =
client_->getWorkerManager()->NewParentHandle(thread_id, url);
void Agent::SetParentHandle(
std::unique_ptr<ParentInspectorHandle> parent_handle) {
parent_handle_ = std::move(parent_handle);
}

std::unique_ptr<ParentInspectorHandle> Agent::GetParentHandle(
int thread_id, const std::string& url) {
return client_->getWorkerManager()->NewParentHandle(thread_id, url);
}

void Agent::WaitForConnect() {
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4 changes: 3 additions & 1 deletion src/inspector_agent.h
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Expand Up @@ -85,7 +85,9 @@ class Agent {
void EnableAsyncHook();
void DisableAsyncHook();

void AddWorkerInspector(int thread_id, const std::string& url, Agent* agent);
void SetParentHandle(std::unique_ptr<ParentInspectorHandle> parent_handle);
std::unique_ptr<ParentInspectorHandle> GetParentHandle(
int thread_id, const std::string& url);

// Called to create inspector sessions that can be used from the main thread.
// The inspector responds by using the delegate to send messages back.
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