Don't print errors to stderr in socket_*.

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
 #include <string.h>  // NOLINT
 #include <sys/stat.h>  // NOLINT
 #include <unistd.h>  // NOLINT
 #include <net/if.h>  // NOLINT
 #include <netinet/tcp.h>  // NOLINT
 #include <ifaddrs.h>  // NOLINT
 
 #include "bin/fdutils.h"
 #include "bin/file.h"
-#include "bin/log.h"
 #include "bin/socket.h"
 #include "platform/signal_blocker.h"
 #include "vm/thread.h"
 
 
 namespace dart {
 namespace bin {
 
 SocketAddress::SocketAddress(struct sockaddr* sa) {
   ASSERT(INET6_ADDRSTRLEN >= INET_ADDRSTRLEN);
@@ skipping 20 matching lines @@
   // Nothing to do on Linux.
   return true;
 }
 
 
 intptr_t Socket::Create(RawAddr addr) {
   intptr_t fd;
   fd = NO_RETRY_EXPECTED(
       socket(addr.ss.ss_family, SOCK_STREAM | SOCK_NONBLOCK | SOCK_CLOEXEC, 0));
   if (fd < 0) {
-    const int kBufferSize = 1024;
-    char error_buf[kBufferSize];
-    Log::PrintErr("Error Create: %s\n",
-                  strerror_r(errno, error_buf, kBufferSize));
     return -1;
   }
   return fd;
 }
 
 
 intptr_t Socket::Connect(intptr_t fd, RawAddr addr, const intptr_t port) {
   SocketAddress::SetAddrPort(&addr, port);
   intptr_t result = TEMP_FAILURE_RETRY(
       connect(fd, &addr.addr, SocketAddress::GetAddrLength(&addr)));
@@ skipping 74 matching lines @@
   }
   return written_bytes;
 }
 
 
 intptr_t Socket::GetPort(intptr_t fd) {
   ASSERT(fd >= 0);
   RawAddr raw;
   socklen_t size = sizeof(raw);
   if (NO_RETRY_EXPECTED(getsockname(fd, &raw.addr, &size))) {
-    const int kBufferSize = 1024;
-    char error_buf[kBufferSize];
-    Log::PrintErr("Error getsockname: %s\n",
-                  strerror_r(errno, error_buf, kBufferSize));
     return 0;
   }
   return SocketAddress::GetAddrPort(&raw);
 }
 
 
 SocketAddress* Socket::GetRemotePeer(intptr_t fd, intptr_t* port) {
   ASSERT(fd >= 0);
   RawAddr raw;
   socklen_t size = sizeof(raw);
@@ skipping 265 matching lines @@
   } else {
     FDUtils::SetNonBlocking(socket);
     FDUtils::SetCloseOnExec(socket);
   }
   return socket;
 }
 
 
 void Socket::Close(intptr_t fd) {
   ASSERT(fd >= 0);
-  int err = TEMP_FAILURE_RETRY(close(fd));
-  if (err != 0) {
-    const int kBufferSize = 1024;
-    char error_buf[kBufferSize];
-    Log::PrintErr("%s\n", strerror_r(errno, error_buf, kBufferSize));
-  }
+  VOID_TEMP_FAILURE_RETRY(close(fd));
 }
 
 
 bool Socket::GetNoDelay(intptr_t fd, bool* enabled) {
   int on;
   socklen_t len = sizeof(on);
   int err = NO_RETRY_EXPECTED(getsockopt(
       fd, IPPROTO_TCP, TCP_NODELAY, reinterpret_cast<void *>(&on), &len));
   if (err == 0) {
     *enabled = on == 1;
@@ skipping 102 matching lines @@
   mreq.gr_interface = interfaceIndex;
   memmove(&mreq.gr_group, &addr->ss, SocketAddress::GetAddrLength(addr));
   return NO_RETRY_EXPECTED(
       setsockopt(fd, proto, MCAST_LEAVE_GROUP, &mreq, sizeof(mreq))) == 0;
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_LINUX)