githubmirror/node

src/node_dir.h

52 строки1 KB

James M Snell

src: improve handling of internal field counting

02 мар 2020, 21:58

02 мар 2020, 21:580fac393

#ifndef SRC_NODE_DIR_H_
#define SRC_NODE_DIR_H_

#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#include "node_file.h"

namespace node {

namespace fs_dir {

// Needed to propagate `uv_dir_t`.
class DirHandle : public AsyncWrap {
 public:
  static DirHandle* New(Environment* env, uv_dir_t* dir);
  ~DirHandle() override;

  static void New(const v8::FunctionCallbackInfo<v8::Value>& args);
  static void Read(const v8::FunctionCallbackInfo<v8::Value>& args);
  static void Close(const v8::FunctionCallbackInfo<v8::Value>& args);

  inline uv_dir_t* dir() { return dir_; }

  void MemoryInfo(MemoryTracker* tracker) const override;
  SET_MEMORY_INFO_NAME(DirHandle)
  SET_SELF_SIZE(DirHandle)

  DirHandle(const DirHandle&) = delete;
  DirHandle& operator=(const DirHandle&) = delete;
  DirHandle(const DirHandle&&) = delete;
  DirHandle& operator=(const DirHandle&&) = delete;

 private:
  DirHandle(Environment* env, v8::Local<v8::Object> obj, uv_dir_t* dir);

  // Synchronous close that emits a warning
  void GCClose();

  uv_dir_t* dir_;
  // Multiple entries are read through a single libuv call.
  std::vector<uv_dirent_t> dirents_;
  bool closing_ = false;
  bool closed_ = false;
};

}  // namespace fs_dir

}  // namespace node

#endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#endif  // SRC_NODE_DIR_H_