Gecko [ oric.aiou.edu.pk ]

Name	Size	Permission
aliased_buffer.h	6.42 KB	-rw-r--r--
async_wrap-inl.h	3.33 KB	-rw-r--r--
async_wrap.h	9.16 KB	-rw-r--r--
base64.h	5.82 KB	-rw-r--r--
base_object-inl.h	4.02 KB	-rw-r--r--
base_object.h	4.43 KB	-rw-r--r--
connect_wrap.h	617 B	-rw-r--r--
connection_wrap.h	699 B	-rw-r--r--
debug_utils.h	4.29 KB	-rw-r--r--
env-inl.h	30.64 KB	-rw-r--r--
env.h	46.48 KB	-rw-r--r--
handle_wrap.h	3.91 KB	-rw-r--r--
inspector_agent.h	4.13 KB	-rw-r--r--
inspector_io.h	2.63 KB	-rw-r--r--
inspector_socket.h	1.46 KB	-rw-r--r--
inspector_socket_server.h	3.21 KB	-rw-r--r--
js_stream.h	1.58 KB	-rw-r--r--
memory_tracker-inl.h	10.83 KB	-rw-r--r--
memory_tracker.h	9.96 KB	-rw-r--r--
module_wrap.h	3.07 KB	-rw-r--r--
node.h	35.16 KB	-rw-r--r--
node_api.h	35.44 KB	-rw-r--r--
node_api_types.h	4.16 KB	-rw-r--r--
node_buffer.h	3.4 KB	-rw-r--r--
node_code_cache.h	432 B	-rw-r--r--
node_constants.h	3.11 KB	-rw-r--r--
node_context_data.h	1.14 KB	-rw-r--r--
node_contextify.h	4.81 KB	-rw-r--r--
node_counters.h	2.37 KB	-rw-r--r--
node_crypto.h	23.92 KB	-rw-r--r--
node_crypto_bio.h	5.44 KB	-rw-r--r--
node_crypto_clienthello-inl.h	2.62 KB	-rw-r--r--
node_crypto_clienthello.h	4 KB	-rw-r--r--
node_crypto_groups.h	23.12 KB	-rw-r--r--
node_dtrace.h	2.91 KB	-rw-r--r--
node_errors.h	6.06 KB	-rw-r--r--
node_file.h	10.16 KB	-rw-r--r--
node_http2.h	47.76 KB	-rw-r--r--
node_http2_state.h	4.72 KB	-rw-r--r--
node_i18n.h	2.4 KB	-rw-r--r--
node_internals.h	28.47 KB	-rw-r--r--
node_javascript.h	1.72 KB	-rw-r--r--
node_messaging.h	8.38 KB	-rw-r--r--
node_mutex.h	4.42 KB	-rw-r--r--
node_object_wrap.h	3.7 KB	-rw-r--r--
node_options-inl.h	14.78 KB	-rw-r--r--
node_options.h	12.25 KB	-rw-r--r--
node_perf.h	3.64 KB	-rw-r--r--
node_perf_common.h	3 KB	-rw-r--r--
node_persistent.h	936 B	-rw-r--r--
node_platform.h	5.14 KB	-rw-r--r--
node_revert.h	2.21 KB	-rw-r--r--
node_root_certs.h	223.29 KB	-rw-r--r--
node_stat_watcher.h	2.15 KB	-rw-r--r--
node_url.h	6.16 KB	-rw-r--r--
node_version.h	3.79 KB	-rw-r--r--
node_watchdog.h	3.03 KB	-rw-r--r--
node_win32_etw_provider-inl.h	11.67 KB	-rw-r--r--
node_win32_etw_provider.h	3.67 KB	-rw-r--r--
node_win32_perfctr_provider.h	2.14 KB	-rw-r--r--
node_worker.h	2.88 KB	-rw-r--r--
pipe_wrap.h	2.62 KB	-rw-r--r--
req_wrap-inl.h	5.44 KB	-rw-r--r--
req_wrap.h	1.87 KB	-rw-r--r--
sharedarraybuffer_metadata.h	2.34 KB	-rw-r--r--
spawn_sync.h	6.82 KB	-rw-r--r--
stream_base-inl.h	14.08 KB	-rw-r--r--
stream_base.h	13.46 KB	-rw-r--r--
stream_pipe.h	2 KB	-rw-r--r--
stream_wrap.h	4.03 KB	-rw-r--r--
string_bytes.h	5.14 KB	-rw-r--r--
string_decoder-inl.h	876 B	-rw-r--r--
string_decoder.h	1.5 KB	-rw-r--r--
string_search.h	20.53 KB	-rw-r--r--
tcp_wrap.h	3.59 KB	-rw-r--r--
tls_wrap.h	6.61 KB	-rw-r--r--
tty_wrap.h	2.22 KB	-rw-r--r--
udp_wrap.h	4.12 KB	-rw-r--r--
util-inl.h	14.06 KB	-rw-r--r--
util.h	15.9 KB	-rw-r--r--
v8abbr.h	5.03 KB	-rw-r--r--

Code Editor : spawn_sync.h

// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

#ifndef SRC_SPAWN_SYNC_H_
#define SRC_SPAWN_SYNC_H_

#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#include "node_internals.h"
#include "node_buffer.h"

namespace node {

class SyncProcessOutputBuffer;
class SyncProcessStdioPipe;
class SyncProcessRunner;

class SyncProcessOutputBuffer {
  static const unsigned int kBufferSize = 65536;

public:
  inline SyncProcessOutputBuffer();

inline void OnAlloc(size_t suggested_size, uv_buf_t* buf) const;
  inline void OnRead(const uv_buf_t* buf, size_t nread);

inline size_t Copy(char* dest) const;

inline unsigned int available() const;
  inline unsigned int used() const;

inline SyncProcessOutputBuffer* next() const;
  inline void set_next(SyncProcessOutputBuffer* next);

private:
  // Use unsigned int because that's what `uv_buf_init` takes.
  mutable char data_[kBufferSize];
  unsigned int used_ = 0;

SyncProcessOutputBuffer* next_ = nullptr;
};

class SyncProcessStdioPipe {
  enum Lifecycle {
    kUninitialized = 0,
    kInitialized,
    kStarted,
    kClosing,
    kClosed
  };

public:
  SyncProcessStdioPipe(SyncProcessRunner* process_handler,
                       bool readable,
                       bool writable,
                       uv_buf_t input_buffer);
  ~SyncProcessStdioPipe();

int Initialize(uv_loop_t* loop);
  int Start();
  void Close();

v8::Local<v8::Object> GetOutputAsBuffer(Environment* env) const;

inline bool readable() const;
  inline bool writable() const;
  inline uv_stdio_flags uv_flags() const;

inline uv_pipe_t* uv_pipe() const;
  inline uv_stream_t* uv_stream() const;
  inline uv_handle_t* uv_handle() const;

private:
  inline size_t OutputLength() const;
  inline void CopyOutput(char* dest) const;

inline void OnAlloc(size_t suggested_size, uv_buf_t* buf);
  inline void OnRead(const uv_buf_t* buf, ssize_t nread);
  inline void OnWriteDone(int result);
  inline void OnShutdownDone(int result);
  inline void OnClose();

inline void SetError(int error);

static void AllocCallback(uv_handle_t* handle,
                            size_t suggested_size,
                            uv_buf_t* buf);
  static void ReadCallback(uv_stream_t* stream,
                           ssize_t nread,
                           const uv_buf_t* buf);
  static void WriteCallback(uv_write_t* req, int result);
  static void ShutdownCallback(uv_shutdown_t* req, int result);
  static void CloseCallback(uv_handle_t* handle);

SyncProcessRunner* process_handler_;

bool readable_;
  bool writable_;
  uv_buf_t input_buffer_;

SyncProcessOutputBuffer* first_output_buffer_;
  SyncProcessOutputBuffer* last_output_buffer_;

mutable uv_pipe_t uv_pipe_;
  uv_write_t write_req_;
  uv_shutdown_t shutdown_req_;

Lifecycle lifecycle_;
};

class SyncProcessRunner {
  enum Lifecycle {
    kUninitialized = 0,
    kInitialized,
    kHandlesClosed
  };

public:
  static void Initialize(v8::Local<v8::Object> target,
                         v8::Local<v8::Value> unused,
                         v8::Local<v8::Context> context);
  static void Spawn(const v8::FunctionCallbackInfo<v8::Value>& args);

private:
  friend class SyncProcessStdioPipe;

explicit SyncProcessRunner(Environment* env_);
  ~SyncProcessRunner();

inline Environment* env() const;

v8::MaybeLocal<v8::Object> Run(v8::Local<v8::Value> options);
  v8::Maybe<bool> TryInitializeAndRunLoop(v8::Local<v8::Value> options);
  void CloseHandlesAndDeleteLoop();

void CloseStdioPipes();
  void CloseKillTimer();

void Kill();
  void IncrementBufferSizeAndCheckOverflow(ssize_t length);

void OnExit(int64_t exit_status, int term_signal);
  void OnKillTimerTimeout();

int GetError();
  void SetError(int error);
  void SetPipeError(int pipe_error);

v8::Local<v8::Object> BuildResultObject();
  v8::Local<v8::Array> BuildOutputArray();

v8::Maybe<int> ParseOptions(v8::Local<v8::Value> js_value);
  int ParseStdioOptions(v8::Local<v8::Value> js_value);
  int ParseStdioOption(int child_fd, v8::Local<v8::Object> js_stdio_option);

inline int AddStdioIgnore(uint32_t child_fd);
  inline int AddStdioPipe(uint32_t child_fd,
                          bool readable,
                          bool writable,
                          uv_buf_t input_buffer);
  inline int AddStdioInheritFD(uint32_t child_fd, int inherit_fd);

static bool IsSet(v8::Local<v8::Value> value);
  v8::Maybe<int> CopyJsString(v8::Local<v8::Value> js_value,
                              const char** target);
  v8::Maybe<int> CopyJsStringArray(v8::Local<v8::Value> js_value,
                                   char** target);

static void ExitCallback(uv_process_t* handle,
                           int64_t exit_status,
                           int term_signal);
  static void KillTimerCallback(uv_timer_t* handle);
  static void KillTimerCloseCallback(uv_handle_t* handle);

double max_buffer_;
  uint64_t timeout_;
  int kill_signal_;

uv_loop_t* uv_loop_;

uint32_t stdio_count_;
  uv_stdio_container_t* uv_stdio_containers_;
  std::vector<std::unique_ptr<SyncProcessStdioPipe>> stdio_pipes_;
  bool stdio_pipes_initialized_;

uv_process_options_t uv_process_options_;
  const char* file_buffer_;
  char* args_buffer_;
  char* env_buffer_;
  const char* cwd_buffer_;

uv_process_t uv_process_;
  bool killed_;

size_t buffered_output_size_;
  int64_t exit_status_;
  int term_signal_;

uv_timer_t uv_timer_;
  bool kill_timer_initialized_;

// Errors that happen in one of the pipe handlers are stored in the
  // `pipe_error` field. They are treated as "low-priority", only to be
  // reported if no more serious errors happened.
  int error_;
  int pipe_error_;

Lifecycle lifecycle_;

Environment* env_;
};

}  // namespace node

#endif  // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#endif  // SRC_SPAWN_SYNC_H_

${this.title}

Code Editor : spawn_sync.h