Prototype of I/O statistics for Observatory

runtime/bin/socket_linux.cc

 // Copyright (c) 2013, 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.
 
 #include "platform/globals.h"
 #if defined(TARGET_OS_LINUX)
 
 #include <errno.h>  // NOLINT
 #include <stdio.h>  // NOLINT
 #include <stdlib.h>  // NOLINT
@@ skipping 174 matching lines @@
 
 
 SocketAddress* Socket::GetRemotePeer(intptr_t fd, intptr_t* port) {
   ASSERT(fd >= 0);
   RawAddr raw;
   socklen_t size = sizeof(raw);
   if (TEMP_FAILURE_RETRY_BLOCK_SIGNALS(
           getpeername(fd,
                       &raw.addr,
                       &size))) {
-    const int kBufferSize = 1024;
-    char error_buf[kBufferSize];
-    Log::PrintErr("Error getpeername: %s\n",
-                  strerror_r(errno, error_buf, kBufferSize));
     return NULL;
   }
   *port = SocketAddress::GetAddrPort(&raw);
   return new SocketAddress(&raw.addr);
 }
 
 
 void Socket::GetError(intptr_t fd, OSError* os_error) {
   int len = sizeof(errno);
   getsockopt(fd,
@@ skipping 409 matching lines @@
   mreq.gr_interface = interfaceIndex;
   memmove(&mreq.gr_group, &addr->ss, SocketAddress::GetAddrLength(addr));
   return TEMP_FAILURE_RETRY_BLOCK_SIGNALS(setsockopt(
       fd, proto, MCAST_LEAVE_GROUP, &mreq, sizeof(mreq))) == 0;
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_LINUX)