Added Socket::SetBlocking() and Socket::SetNonBlocking().

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 18 matching lines @@
   struct hostent server;
   struct sockaddr_in server_address;
 
   fd = TEMP_FAILURE_RETRY(socket(AF_INET, SOCK_STREAM, 0));
   if (fd < 0) {
     Log::PrintErr("Error CreateConnect: %s\n", strerror(errno));
     return -1;
   }
 
   FDUtils::SetCloseOnExec(fd);
-  FDUtils::SetNonBlocking(fd);
+  Socket::SetNonBlocking(fd);
 
   static const size_t kTempBufSize = 1024;
   char temp_buf[kTempBufSize];
   struct hostent *unused;
   int err;
   if (gethostbyname_r(
           host, &server, temp_buf, kTempBufSize, &unused, &err) != 0) {
     TEMP_FAILURE_RETRY(close(fd));
     Log::PrintErr("Error CreateConnect: %s\n", strerror(errno));
     return -1;
@@ skipping 173 matching lines @@
                sizeof(server_address))) < 0) {
     TEMP_FAILURE_RETRY(close(fd));
     return -1;
   }
 
   if (TEMP_FAILURE_RETRY(listen(fd, backlog > 0 ? backlog : SOMAXCONN)) != 0) {
     TEMP_FAILURE_RETRY(close(fd));
     return -1;
   }
 
-  FDUtils::SetNonBlocking(fd);
+  Socket::SetNonBlocking(fd);
   return fd;
 }
 
 
 static bool IsTemporaryAcceptError(int error) {
   // On Linux a number of protocol errors should be treated as EAGAIN.
   // These are the ones for TCP/IP.
   return (error == EAGAIN) || (error == ENETDOWN) || (error == EPROTO) ||
       (error == ENOPROTOOPT) || (error == EHOSTDOWN) || (error == ENONET) ||
       (error == EHOSTUNREACH) || (error == EOPNOTSUPP) ||
       (error == ENETUNREACH);
 }
 
 
 intptr_t ServerSocket::Accept(intptr_t fd) {
   intptr_t socket;
   struct sockaddr clientaddr;
   socklen_t addrlen = sizeof(clientaddr);
   socket = TEMP_FAILURE_RETRY(accept(fd, &clientaddr, &addrlen));
   if (socket == -1) {
     if (IsTemporaryAcceptError(errno)) {
       // We need to signal to the caller that this is actually not an
       // error. We got woken up from the poll on the listening socket,
       // but there is no connection ready to be accepted.
       ASSERT(kTemporaryFailure != -1);
       socket = kTemporaryFailure;
     }
   } else {
-    FDUtils::SetNonBlocking(socket);
+    Socket::SetNonBlocking(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_message[kBufferSize];
     strerror_r(errno, error_message, kBufferSize);
     Log::PrintErr("%s\n", error_message);
   }
 }
 
+
+bool Socket::SetNonBlocking(intptr_t fd) {
+  return FDUtils::SetNonBlocking(fd);
+}
+
+
+bool Socket::SetBlocking(intptr_t fd) {
+  return FDUtils::SetBlocking(fd);
+}
+
 #endif  // defined(TARGET_OS_LINUX)