Prototype of I/O statistics for Observatory

runtime/bin/eventhandler_linux.h

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #ifndef BIN_EVENTHANDLER_LINUX_H_
 #define BIN_EVENTHANDLER_LINUX_H_
 
 #if !defined(BIN_EVENTHANDLER_H_)
 #error Do not include eventhandler_linux.h directly; use eventhandler.h instead.
 #endif
@@ skipping 38 matching lines @@
 
   void ShutdownWrite() {
     shutdown(fd_, SHUT_WR);
     MarkClosedWrite();
   }
 
   void Close() {
     port_ = 0;
     mask_ = 0;
     flags_ = 0;
-    close(fd_);
+    Socket::Close(fd_);
     fd_ = -1;
   }
 
   bool IsListeningSocket() { return (mask_ & (1 << kListeningSocket)) != 0; }
   bool IsPipe() { return (mask_ & (1 << kPipe)) != 0; }
   bool IsClosedRead() { return (flags_ & (1 << kClosedRead)) != 0; }
   bool IsClosedWrite() { return (flags_ & (1 << kClosedWrite)) != 0; }
 
   void MarkClosedRead() { flags_ |= (1 << kClosedRead); }
   void MarkClosedWrite() { flags_ |= (1 << kClosedWrite); }
@@ skipping 46 matching lines @@
   bool shutdown_;
   int interrupt_fds_[2];
   int epoll_fd_;
   int timer_fd_;
 };
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // BIN_EVENTHANDLER_LINUX_H_