Gecko [ c.stage.kornherr.net ]

Name	Size	Permission	Date
crypto	[ DIR ]	drwxr-xr-x	2024-07-10 10:55
permission	[ DIR ]	drwxr-xr-x	2024-07-10 10:55
tracing	[ DIR ]	drwxr-xr-x	2024-07-10 10:55
acorn_version.h	209 B	-rw-r--r--	2024-04-18 19:08
aliased_buffer-inl.h	7.44 KB	-rw-r--r--	2024-02-13 21:40
aliased_buffer.h	6.05 KB	-rw-r--r--	2024-02-13 21:40
aliased_struct-inl.h	1.32 KB	-rw-r--r--	2024-02-13 21:40
aliased_struct.h	1.44 KB	-rw-r--r--	2024-02-13 21:40
async_wrap-inl.h	2.68 KB	-rw-r--r--	2024-02-13 21:40
async_wrap.h	11.32 KB	-rw-r--r--	2024-02-13 21:40
base64-inl.h	5.76 KB	-rw-r--r--	2024-02-13 21:40
base64.h	1.43 KB	-rw-r--r--	2024-02-13 21:40
base64_version.h	227 B	-rw-r--r--	2024-02-13 21:40
base_object-inl.h	8.94 KB	-rw-r--r--	2024-02-13 21:40
base_object.h	13.3 KB	-rw-r--r--	2024-02-13 21:40
base_object_types.h	3.28 KB	-rw-r--r--	2024-02-13 21:40
blob_serializer_deserializer-inl.h	10.54 KB	-rw-r--r--	2024-02-13 21:40
blob_serializer_deserializer.h	3.56 KB	-rw-r--r--	2024-02-13 21:40
callback_queue-inl.h	2.59 KB	-rw-r--r--	2024-02-13 21:40
callback_queue.h	1.96 KB	-rw-r--r--	2024-02-13 21:40
cares_wrap.h	14.37 KB	-rw-r--r--	2024-04-18 19:08
cjs_module_lexer_version.h	277 B	-rw-r--r--	2024-04-18 19:08
cleanup_queue-inl.h	1.58 KB	-rw-r--r--	2024-02-13 21:40
cleanup_queue.h	2.19 KB	-rw-r--r--	2024-02-13 21:40
connect_wrap.h	584 B	-rw-r--r--	2024-02-13 21:40
connection_wrap.h	686 B	-rw-r--r--	2024-02-13 21:40
debug_utils-inl.h	7.42 KB	-rw-r--r--	2024-02-13 21:40
debug_utils.h	6.77 KB	-rw-r--r--	2024-02-13 21:40
diagnosticfilename-inl.h	768 B	-rw-r--r--	2024-02-13 21:40
env-inl.h	25.59 KB	-rw-r--r--	2024-02-13 21:40
env.h	38.85 KB	-rw-r--r--	2024-02-13 21:40
env_properties.h	33.32 KB	-rw-r--r--	2024-02-13 21:40
handle_wrap.h	4.16 KB	-rw-r--r--	2024-02-13 21:40
histogram-inl.h	2.39 KB	-rw-r--r--	2024-02-13 21:40
histogram.h	7.89 KB	-rw-r--r--	2024-02-13 21:40
inspector_agent.h	4.69 KB	-rw-r--r--	2024-02-13 21:40
inspector_io.h	2.19 KB	-rw-r--r--	2024-02-13 21:40
inspector_profiler.h	4.53 KB	-rw-r--r--	2024-02-13 21:40
inspector_socket.h	1.53 KB	-rw-r--r--	2024-02-13 21:40
inspector_socket_server.h	3.5 KB	-rw-r--r--	2024-02-13 21:40
js_native_api.h	31.22 KB	-rw-r--r--	2024-02-13 21:40
js_native_api_types.h	4.44 KB	-rw-r--r--	2024-02-13 21:40
js_native_api_v8.h	16.83 KB	-rw-r--r--	2024-02-13 21:40
js_native_api_v8_internals.h	1.56 KB	-rw-r--r--	2024-02-13 21:40
js_stream.h	1.35 KB	-rw-r--r--	2024-02-13 21:40
json_utils.h	3.8 KB	-rw-r--r--	2024-02-13 21:40
memory_tracker-inl.h	12.01 KB	-rw-r--r--	2024-02-13 21:40
memory_tracker.h	11.55 KB	-rw-r--r--	2024-02-13 21:40
module_wrap.h	3.72 KB	-rw-r--r--	2024-02-13 21:40
node.h	56.44 KB	-rw-r--r--	2024-02-13 21:40
node_api.h	9.96 KB	-rw-r--r--	2024-02-13 21:40
node_api_internals.h	1.24 KB	-rw-r--r--	2024-02-13 21:40
node_api_types.h	1.57 KB	-rw-r--r--	2024-02-13 21:40
node_binding.h	4.19 KB	-rw-r--r--	2024-02-13 21:40
node_blob.h	5.04 KB	-rw-r--r--	2024-02-13 21:40
node_bob-inl.h	657 B	-rw-r--r--	2024-02-13 21:40
node_bob.h	2.82 KB	-rw-r--r--	2024-02-13 21:40
node_buffer.h	3.6 KB	-rw-r--r--	2024-02-13 21:40
node_builtins.h	5.63 KB	-rw-r--r--	2024-02-13 21:40
node_constants.h	3.67 KB	-rw-r--r--	2024-02-13 21:40
node_context_data.h	2.94 KB	-rw-r--r--	2024-02-13 21:40
node_contextify.h	7.63 KB	-rw-r--r--	2024-02-13 21:40
node_crypto.h	2.27 KB	-rw-r--r--	2024-02-13 21:40
node_dir.h	1.31 KB	-rw-r--r--	2024-02-13 21:40
node_dtrace.h	2.89 KB	-rw-r--r--	2024-02-13 21:40
node_errors.h	16.86 KB	-rw-r--r--	2024-02-13 21:40
node_external_reference.h	7.86 KB	-rw-r--r--	2024-02-13 21:40
node_file-inl.h	12.45 KB	-rw-r--r--	2024-02-13 21:40
node_file.h	14.7 KB	-rw-r--r--	2024-02-13 21:40
node_http2.h	38.61 KB	-rw-r--r--	2024-02-13 21:40
node_http2_state.h	4.76 KB	-rw-r--r--	2024-02-13 21:40
node_http_common-inl.h	5.46 KB	-rw-r--r--	2024-02-13 21:40
node_http_common.h	24.56 KB	-rw-r--r--	2024-02-13 21:40
node_i18n.h	4.34 KB	-rw-r--r--	2024-02-13 21:40
node_internals.h	15.03 KB	-rw-r--r--	2024-02-13 21:40
node_main_instance.h	2.96 KB	-rw-r--r--	2024-02-13 21:40
node_mem-inl.h	3.6 KB	-rw-r--r--	2024-02-13 21:40
node_mem.h	1.27 KB	-rw-r--r--	2024-02-13 21:40
node_messaging.h	14.3 KB	-rw-r--r--	2024-02-13 21:40
node_metadata.h	4.37 KB	-rw-r--r--	2024-02-13 21:40
node_mutex.h	7.78 KB	-rw-r--r--	2024-02-13 21:40
node_object_wrap.h	3.78 KB	-rw-r--r--	2024-02-13 21:40
node_options-inl.h	15.86 KB	-rw-r--r--	2024-02-13 21:40
node_options.h	17.57 KB	-rw-r--r--	2024-02-13 21:40
node_perf.h	4.76 KB	-rw-r--r--	2024-02-13 21:40
node_perf_common.h	2.88 KB	-rw-r--r--	2024-02-13 21:40
node_platform.h	6.19 KB	-rw-r--r--	2024-02-13 21:40
node_process-inl.h	737 B	-rw-r--r--	2024-02-13 21:40
node_process.h	3.36 KB	-rw-r--r--	2024-02-13 21:40
node_realm-inl.h	4.59 KB	-rw-r--r--	2024-02-13 21:40
node_realm.h	5.38 KB	-rw-r--r--	2024-02-13 21:40
node_report.h	994 B	-rw-r--r--	2024-02-13 21:40
node_revert.h	2.09 KB	-rw-r--r--	2024-02-13 21:40
node_root_certs.h	231.49 KB	-rw-r--r--	2024-02-13 21:40
node_sea.h	517 B	-rw-r--r--	2024-02-13 21:40
node_shadow_realm.h	449 B	-rw-r--r--	2024-02-13 21:40
node_snapshot_builder.h	1.21 KB	-rw-r--r--	2024-02-13 21:40
node_snapshotable.h	4.82 KB	-rw-r--r--	2024-02-13 21:40
node_sockaddr-inl.h	7.28 KB	-rw-r--r--	2024-02-13 21:40
node_sockaddr.h	12.91 KB	-rw-r--r--	2024-02-13 21:40
node_stat_watcher.h	2.36 KB	-rw-r--r--	2024-02-13 21:40
node_threadsafe_cow-inl.h	1.28 KB	-rw-r--r--	2024-02-13 21:40
node_threadsafe_cow.h	2.78 KB	-rw-r--r--	2024-02-13 21:40
node_union_bytes.h	1.66 KB	-rw-r--r--	2024-02-13 21:40
node_url.h	2.13 KB	-rw-r--r--	2024-02-13 21:40
node_util.h	1.39 KB	-rw-r--r--	2024-02-13 21:40
node_v8.h	1.67 KB	-rw-r--r--	2024-02-13 21:40
node_v8_platform-inl.h	6.63 KB	-rw-r--r--	2024-02-13 21:40
node_version.h	3.85 KB	-rw-r--r--	2024-04-18 19:08
node_wasi.h	5.21 KB	-rw-r--r--	2024-02-13 21:40
node_wasm_web_api.h	1.78 KB	-rw-r--r--	2024-02-13 21:40
node_watchdog.h	4.32 KB	-rw-r--r--	2024-02-13 21:40
node_win32_etw_provider-inl.h	11.53 KB	-rw-r--r--	2024-02-13 21:40
node_win32_etw_provider.h	3.67 KB	-rw-r--r--	2024-02-13 21:40
node_worker.h	4.92 KB	-rw-r--r--	2024-02-13 21:40
pipe_wrap.h	2.78 KB	-rw-r--r--	2024-02-13 21:40
req_wrap-inl.h	5.43 KB	-rw-r--r--	2024-02-13 21:40
req_wrap.h	2.23 KB	-rw-r--r--	2024-02-13 21:40
spawn_sync.h	6.87 KB	-rw-r--r--	2024-02-13 21:40
stream_base-inl.h	4.93 KB	-rw-r--r--	2024-02-13 21:40
stream_base.h	17.44 KB	-rw-r--r--	2024-02-13 21:40
stream_pipe.h	2.39 KB	-rw-r--r--	2024-02-13 21:40
stream_wrap.h	4.15 KB	-rw-r--r--	2024-02-13 21:40
string_bytes.h	4.69 KB	-rw-r--r--	2024-02-13 21:40
string_decoder-inl.h	858 B	-rw-r--r--	2024-02-13 21:40
string_decoder.h	1.5 KB	-rw-r--r--	2024-02-13 21:40
string_search.h	20.94 KB	-rw-r--r--	2024-02-13 21:40
tcp_wrap.h	3.9 KB	-rw-r--r--	2024-02-13 21:40
threadpoolwork-inl.h	2.58 KB	-rw-r--r--	2024-02-13 21:40
timer_wrap-inl.h	755 B	-rw-r--r--	2024-02-13 21:40
timer_wrap.h	1.79 KB	-rw-r--r--	2024-02-13 21:40
tty_wrap.h	2.27 KB	-rw-r--r--	2024-02-13 21:40
udp_wrap.h	8.5 KB	-rw-r--r--	2024-02-13 21:40
undici_version.h	215 B	-rw-r--r--	2024-04-18 19:08
util-inl.h	19.56 KB	-rw-r--r--	2024-02-13 21:40
util.h	31.46 KB	-rw-r--r--	2024-02-13 21:40
v8abbr.h	5.05 KB	-rw-r--r--	2024-02-13 21:40

Rename

#ifndef SRC_NODE_PLATFORM_H_
#define SRC_NODE_PLATFORM_H_

#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#include <queue>
#include <unordered_map>
#include <vector>
#include <functional>

#include "libplatform/libplatform.h"
#include "node.h"
#include "node_mutex.h"
#include "uv.h"

namespace node {

class NodePlatform;
class IsolateData;
class PerIsolatePlatformData;

template <class T>
class TaskQueue {
 public:
  TaskQueue();
  ~TaskQueue() = default;

void Push(std::unique_ptr<T> task);
  std::unique_ptr<T> Pop();
  std::unique_ptr<T> BlockingPop();
  std::queue<std::unique_ptr<T>> PopAll();
  void NotifyOfCompletion();
  void BlockingDrain();
  void Stop();

private:
  Mutex lock_;
  ConditionVariable tasks_available_;
  ConditionVariable tasks_drained_;
  int outstanding_tasks_;
  bool stopped_;
  std::queue<std::unique_ptr<T>> task_queue_;
};

struct DelayedTask {
  std::unique_ptr<v8::Task> task;
  uv_timer_t timer;
  double timeout;
  std::shared_ptr<PerIsolatePlatformData> platform_data;
};

// This acts as the foreground task runner for a given Isolate.
class PerIsolatePlatformData :
    public IsolatePlatformDelegate,
    public v8::TaskRunner,
    public std::enable_shared_from_this<PerIsolatePlatformData> {
 public:
  PerIsolatePlatformData(v8::Isolate* isolate, uv_loop_t* loop);
  ~PerIsolatePlatformData() override;

std::shared_ptr<v8::TaskRunner> GetForegroundTaskRunner() override;
  void PostTask(std::unique_ptr<v8::Task> task) override;
  void PostIdleTask(std::unique_ptr<v8::IdleTask> task) override;
  void PostDelayedTask(std::unique_ptr<v8::Task> task,
                       double delay_in_seconds) override;
  bool IdleTasksEnabled() override { return false; }

// Non-nestable tasks are treated like regular tasks.
  bool NonNestableTasksEnabled() const override { return true; }
  bool NonNestableDelayedTasksEnabled() const override { return true; }
  void PostNonNestableTask(std::unique_ptr<v8::Task> task) override;
  void PostNonNestableDelayedTask(std::unique_ptr<v8::Task> task,
                                  double delay_in_seconds) override;

void AddShutdownCallback(void (*callback)(void*), void* data);
  void Shutdown();

// Returns true if work was dispatched or executed. New tasks that are
  // posted during flushing of the queue are postponed until the next
  // flushing.
  bool FlushForegroundTasksInternal();

const uv_loop_t* event_loop() const { return loop_; }

private:
  void DeleteFromScheduledTasks(DelayedTask* task);
  void DecreaseHandleCount();

static void FlushTasks(uv_async_t* handle);
  void RunForegroundTask(std::unique_ptr<v8::Task> task);
  static void RunForegroundTask(uv_timer_t* timer);

struct ShutdownCallback {
    void (*cb)(void*);
    void* data;
  };
  typedef std::vector<ShutdownCallback> ShutdownCbList;
  ShutdownCbList shutdown_callbacks_;
  // shared_ptr to self to keep this object alive during shutdown.
  std::shared_ptr<PerIsolatePlatformData> self_reference_;
  uint32_t uv_handle_count_ = 1;  // 1 = flush_tasks_

v8::Isolate* const isolate_;
  uv_loop_t* const loop_;
  uv_async_t* flush_tasks_ = nullptr;
  TaskQueue<v8::Task> foreground_tasks_;
  TaskQueue<DelayedTask> foreground_delayed_tasks_;

// Use a custom deleter because libuv needs to close the handle first.
  typedef std::unique_ptr<DelayedTask, void(*)(DelayedTask*)>
      DelayedTaskPointer;
  std::vector<DelayedTaskPointer> scheduled_delayed_tasks_;
};

// This acts as the single worker thread task runner for all Isolates.
class WorkerThreadsTaskRunner {
 public:
  explicit WorkerThreadsTaskRunner(int thread_pool_size);

void PostTask(std::unique_ptr<v8::Task> task);
  void PostDelayedTask(std::unique_ptr<v8::Task> task,
                       double delay_in_seconds);

void BlockingDrain();
  void Shutdown();

int NumberOfWorkerThreads() const;

private:
  TaskQueue<v8::Task> pending_worker_tasks_;

class DelayedTaskScheduler;
  std::unique_ptr<DelayedTaskScheduler> delayed_task_scheduler_;

std::vector<std::unique_ptr<uv_thread_t>> threads_;
};

class NodePlatform : public MultiIsolatePlatform {
 public:
  NodePlatform(int thread_pool_size,
               v8::TracingController* tracing_controller,
               v8::PageAllocator* page_allocator = nullptr);
  ~NodePlatform() override;

void DrainTasks(v8::Isolate* isolate) override;
  void Shutdown();

// v8::Platform implementation.
  int NumberOfWorkerThreads() override;
  void CallOnWorkerThread(std::unique_ptr<v8::Task> task) override;
  void CallDelayedOnWorkerThread(std::unique_ptr<v8::Task> task,
                                 double delay_in_seconds) override;
  bool IdleTasksEnabled(v8::Isolate* isolate) override;
  double MonotonicallyIncreasingTime() override;
  double CurrentClockTimeMillis() override;
  v8::TracingController* GetTracingController() override;
  bool FlushForegroundTasks(v8::Isolate* isolate) override;
  std::unique_ptr<v8::JobHandle> PostJob(
      v8::TaskPriority priority,
      std::unique_ptr<v8::JobTask> job_task) override;

void RegisterIsolate(v8::Isolate* isolate, uv_loop_t* loop) override;
  void RegisterIsolate(v8::Isolate* isolate,
                       IsolatePlatformDelegate* delegate) override;

void UnregisterIsolate(v8::Isolate* isolate) override;
  void AddIsolateFinishedCallback(v8::Isolate* isolate,
                                  void (*callback)(void*), void* data) override;

std::shared_ptr<v8::TaskRunner> GetForegroundTaskRunner(
      v8::Isolate* isolate) override;

Platform::StackTracePrinter GetStackTracePrinter() override;
  v8::PageAllocator* GetPageAllocator() override;

private:
  IsolatePlatformDelegate* ForIsolate(v8::Isolate* isolate);
  std::shared_ptr<PerIsolatePlatformData> ForNodeIsolate(v8::Isolate* isolate);

Mutex per_isolate_mutex_;
  using DelegatePair = std::pair<
    IsolatePlatformDelegate*, std::shared_ptr<PerIsolatePlatformData>>;
  std::unordered_map<v8::Isolate*, DelegatePair> per_isolate_;

v8::TracingController* tracing_controller_;
  v8::PageAllocator* page_allocator_;
  std::shared_ptr<WorkerThreadsTaskRunner> worker_thread_task_runner_;
  bool has_shut_down_ = false;
};

}  // namespace node

#endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#endif  // SRC_NODE_PLATFORM_H_