node: allow multiple arguments passed to nextTick

PR-URL: #1077
Reviewed-by: Colin Ihrig <cjihrig@gmail.com>

doc/api/process.markdown

@@ -687,7 +687,7 @@ This will generate:
 `heapTotal` and `heapUsed` refer to V8's memory usage.
 
 
-## process.nextTick(callback)
+## process.nextTick(callback[, arg][, ...])
 
 * `callback` {Function}
 

lib/_debugger.js

@@ -587,9 +587,7 @@ Client.prototype.mirrorObject = function(handle, depth, cb) {
   } else {
     val = handle;
   }
-  process.nextTick(function() {
-    cb(null, val);
-  });
+  process.nextTick(cb, null, val);
 };
 
 

lib/_http_client.js

@@ -166,11 +166,8 @@ ClientRequest.prototype._implicitHeader = function() {
 };
 
 ClientRequest.prototype.abort = function() {
-  var self = this;
   if (this.aborted === undefined) {
-    process.nextTick(function() {
-      self.emit('abort');
-    });
+    process.nextTick(emitAbortNT, this);
   }
   // Mark as aborting so we can avoid sending queued request data
   // This is used as a truthy flag elsewhere. The use of Date.now is for
@@ -194,6 +191,11 @@ ClientRequest.prototype.abort = function() {
 };
 
 
+function emitAbortNT(self) {
+  self.emit('abort');
+}
+
+
 function createHangUpError() {
   var error = new Error('socket hang up');
   error.code = 'ECONNRESET';
@@ -440,12 +442,14 @@ function responseOnEnd() {
     socket.removeListener('error', socketErrorListener);
     // Mark this socket as available, AFTER user-added end
     // handlers have a chance to run.
-    process.nextTick(function() {
-      socket.emit('free');
-    });
+    process.nextTick(emitFreeNT, socket);
   }
 }
 
+function emitFreeNT(socket) {
+  socket.emit('free');
+}
+
 function tickOnSocket(req, socket) {
   var parser = parsers.alloc();
   req.socket = socket;
@@ -478,18 +482,18 @@ function tickOnSocket(req, socket) {
 }
 
 ClientRequest.prototype.onSocket = function(socket) {
-  var req = this;
-
-  process.nextTick(function() {
-    if (req.aborted) {
-      // If we were aborted while waiting for a socket, skip the whole thing.
-      socket.emit('free');
-    } else {
-      tickOnSocket(req, socket);
-    }
-  });
+  process.nextTick(onSocketNT, this, socket);
 };
 
+function onSocketNT(req, socket) {
+  if (req.aborted) {
+    // If we were aborted while waiting for a socket, skip the whole thing.
+    socket.emit('free');
+  } else {
+    tickOnSocket(req, socket);
+  }
+}
+
 ClientRequest.prototype._deferToConnect = function(method, arguments_, cb) {
   // This function is for calls that need to happen once the socket is
   // connected and writable. It's an important promisy thing for all the socket

lib/_http_outgoing.js

@@ -406,14 +406,9 @@ Object.defineProperty(OutgoingMessage.prototype, 'headersSent', {
 
 
 OutgoingMessage.prototype.write = function(chunk, encoding, callback) {
-  var self = this;
-
   if (this.finished) {
     var err = new Error('write after end');
-    process.nextTick(function() {
-      self.emit('error', err);
-      if (callback) callback(err);
-    });
+    process.nextTick(writeAfterEndNT, this, err, callback);
 
     return true;
   }
@@ -455,11 +450,7 @@ OutgoingMessage.prototype.write = function(chunk, encoding, callback) {
 
       if (this.connection && !this.connection.corked) {
         this.connection.cork();
-        var conn = this.connection;
-        process.nextTick(function connectionCork() {
-          if (conn)
-            conn.uncork();
-        });
+        process.nextTick(connectionCorkNT, this.connection);
       }
       this._send(len.toString(16), 'binary', null);
       this._send(crlf_buf, null, null);
@@ -475,6 +466,18 @@ OutgoingMessage.prototype.write = function(chunk, encoding, callback) {
 };
 
 
+function writeAfterEndNT(self, err, callback) {
+  self.emit('error', err);
+  if (callback) callback(err);
+}
+
+
+function connectionCorkNT(conn) {
+  if (conn)
+    conn.uncork();
+}
+
+
 OutgoingMessage.prototype.addTrailers = function(headers) {
   this._trailer = '';
   var keys = Object.keys(headers);

lib/_stream_duplex.js

@@ -49,5 +49,9 @@ function onend() {
 
   // no more data can be written.
   // But allow more writes to happen in this tick.
-  process.nextTick(this.end.bind(this));
+  process.nextTick(onEndNT, this);
+}
+
+function onEndNT(self) {
+  self.end();
 }

lib/_stream_readable.js

@@ -395,9 +395,7 @@ function emitReadable(stream) {
     debug('emitReadable', state.flowing);
     state.emittedReadable = true;
     if (state.sync)
-      process.nextTick(function() {
-        emitReadable_(stream);
-      });
+      process.nextTick(emitReadable_, stream);
     else
       emitReadable_(stream);
   }
@@ -419,9 +417,7 @@ function emitReadable_(stream) {
 function maybeReadMore(stream, state) {
   if (!state.readingMore) {
     state.readingMore = true;
-    process.nextTick(function() {
-      maybeReadMore_(stream, state);
-    });
+    process.nextTick(maybeReadMore_, stream, state);
   }
 }
 
@@ -667,11 +663,7 @@ Readable.prototype.on = function(ev, fn) {
       state.emittedReadable = false;
       state.needReadable = true;
       if (!state.reading) {
-        var self = this;
-        process.nextTick(function() {
-          debug('readable nexttick read 0');
-          self.read(0);
-        });
+        process.nextTick(nReadingNextTick, this);
       } else if (state.length) {
         emitReadable(this, state);
       }
@@ -682,6 +674,11 @@ Readable.prototype.on = function(ev, fn) {
 };
 Readable.prototype.addListener = Readable.prototype.on;
 
+function nReadingNextTick(self) {
+  debug('readable nexttick read 0');
+  self.read(0);
+}
+
 // pause() and resume() are remnants of the legacy readable stream API
 // If the user uses them, then switch into old mode.
 Readable.prototype.resume = function() {
@@ -697,9 +694,7 @@ Readable.prototype.resume = function() {
 function resume(stream, state) {
   if (!state.resumeScheduled) {
     state.resumeScheduled = true;
-    process.nextTick(function() {
-      resume_(stream, state);
-    });
+    process.nextTick(resume_, stream, state);
   }
 }
 
@@ -883,13 +878,15 @@ function endReadable(stream) {
 
   if (!state.endEmitted) {
     state.ended = true;
-    process.nextTick(function() {
-      // Check that we didn't get one last unshift.
-      if (!state.endEmitted && state.length === 0) {
-        state.endEmitted = true;
-        stream.readable = false;
-        stream.emit('end');
-      }
-    });
+    process.nextTick(endReadableNT, state, stream);
+  }
+}
+
+function endReadableNT(state, stream) {
+  // Check that we didn't get one last unshift.
+  if (!state.endEmitted && state.length === 0) {
+    state.endEmitted = true;
+    stream.readable = false;
+    stream.emit('end');
   }
 }

lib/_stream_writable.js

@@ -158,9 +158,7 @@ function writeAfterEnd(stream, cb) {
   var er = new Error('write after end');
   // TODO: defer error events consistently everywhere, not just the cb
   stream.emit('error', er);
-  process.nextTick(function() {
-    cb(er);
-  });
+  process.nextTick(cb, er);
 }
 
 // If we get something that is not a buffer, string, null, or undefined,
@@ -178,9 +176,7 @@ function validChunk(stream, state, chunk, cb) {
       !state.objectMode) {
     var er = new TypeError('Invalid non-string/buffer chunk');
     stream.emit('error', er);
-    process.nextTick(function() {
-      cb(er);
-    });
+    process.nextTick(cb, er);
     valid = false;
   }
   return valid;
@@ -298,10 +294,7 @@ function doWrite(stream, state, writev, len, chunk, encoding, cb) {
 
 function onwriteError(stream, state, sync, er, cb) {
   if (sync)
-    process.nextTick(function() {
-      state.pendingcb--;
-      cb(er);
-    });
+    process.nextTick(onwriteErrorNT, state, cb, er);
   else {
     state.pendingcb--;
     cb(er);
@@ -311,6 +304,11 @@ function onwriteError(stream, state, sync, er, cb) {
   stream.emit('error', er);
 }
 
+function onwriteErrorNT(state, cb, er) {
+  state.pendingcb--;
+  cb(er);
+}
+
 function onwriteStateUpdate(state) {
   state.writing = false;
   state.writecb = null;
@@ -339,9 +337,7 @@ function onwrite(stream, er) {
     }
 
     if (sync) {
-      process.nextTick(function() {
-        afterWrite(stream, state, finished, cb);
-      });
+      process.nextTick(afterWrite, stream, state, finished, cb);
     } else {
       afterWrite(stream, state, finished, cb);
     }

lib/_tls_legacy.js

@@ -448,17 +448,19 @@ CryptoStream.prototype.destroy = function(err) {
   }
   this._opposite.destroy();
 
-  var self = this;
-  process.nextTick(function() {
-    // Force EOF
-    self.push(null);
-
-    // Emit 'close' event
-    self.emit('close', err ? true : false);
-  });
+  process.nextTick(destroyNT, this, err);
 };
 
 
+function destroyNT(self, err) {
+  // Force EOF
+  self.push(null);
+
+  // Emit 'close' event
+  self.emit('close', err ? true : false);
+}
+
+
 CryptoStream.prototype._done = function() {
   this._doneFlag = true;
 
@@ -667,8 +669,6 @@ function SecurePair(context, isServer, requestCert, rejectUnauthorized,
                           options);
   }
 
-  var self = this;
-
   options || (options = {});
 
   events.EventEmitter.call(this);
@@ -737,23 +737,25 @@ function SecurePair(context, isServer, requestCert, rejectUnauthorized,
   this.cleartext.init();
   this.encrypted.init();
 
-  process.nextTick(function() {
-    /* The Connection may be destroyed by an abort call */
-    if (self.ssl) {
-      self.ssl.start();
-
-      if (options.requestOCSP)
-        self.ssl.requestOCSP();
-
-      /* In case of cipher suite failures - SSL_accept/SSL_connect may fail */
-      if (self.ssl && self.ssl.error)
-        self.error();
-    }
-  });
+  process.nextTick(securePairNT, this, options);
 }
 
 util.inherits(SecurePair, events.EventEmitter);
 
+function securePairNT(self, options) {
+  /* The Connection may be destroyed by an abort call */
+  if (self.ssl) {
+    self.ssl.start();
+
+    if (options.requestOCSP)
+      self.ssl.requestOCSP();
+
+    /* In case of cipher suite failures - SSL_accept/SSL_connect may fail */
+    if (self.ssl && self.ssl.error)
+      self.error();
+  }
+}
+
 
 exports.createSecurePair = function(context,
                                     isServer,
@@ -835,12 +837,7 @@ exports.pipe = function pipe(pair, socket) {
   socket.pipe(pair.encrypted);
 
   pair.encrypted.on('close', function() {
-    process.nextTick(function() {
-      // Encrypted should be unpiped from socket to prevent possible
-      // write after destroy.
-      pair.encrypted.unpipe(socket);
-      socket.destroySoon();
-    });
+    process.nextTick(pipeCloseNT, pair, socket);
   });
 
   pair.fd = socket.fd;
@@ -886,3 +883,11 @@ exports.pipe = function pipe(pair, socket) {
 
   return cleartext;
 };
+
+
+function pipeCloseNT(pair, socket) {
+  // Encrypted should be unpiped from socket to prevent possible
+  // write after destroy.
+  pair.encrypted.unpipe(socket);
+  socket.destroySoon();
+}