Better error-message when bind fails.

runtime/bin/io_natives.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 "bin/io_natives.h"
 
 #include <stdlib.h>
 #include <string.h>
 
 #include "bin/builtin.h"
@@ skipping 103 matching lines @@
   V(SecurityContext_SetAlpnProtocols, 3)                                       \
   V(SecurityContext_SetClientAuthoritiesBytes, 3)                              \
   V(SecurityContext_SetTrustedCertificatesBytes, 3)                            \
   V(SecurityContext_TrustBuiltinRoots, 1)                                      \
   V(SecurityContext_UseCertificateChainBytes, 3)                               \
   V(ServerSocket_Accept, 2)                                                    \
   V(ServerSocket_CreateBindListen, 6)                                          \
   V(Socket_CreateConnect, 3)                                                   \
   V(Socket_CreateBindConnect, 4)                                               \
   V(Socket_CreateBindDatagram, 4)                                              \
+  V(Socket_IsBindError, 2)                                                     \
   V(Socket_Available, 1)                                                       \
   V(Socket_Read, 2)                                                            \
   V(Socket_RecvFrom, 1)                                                        \
   V(Socket_WriteList, 4)                                                       \
   V(Socket_SendTo, 6)                                                          \
   V(Socket_GetPort, 1)                                                         \
   V(Socket_GetRemotePeer, 1)                                                   \
   V(Socket_GetError, 1)                                                        \
   V(Socket_GetStdioHandle, 2)                                                  \
   V(Socket_GetType, 1)                                                         \
@@ skipping 54 matching lines @@
     struct NativeEntries* entry = &(IOEntries[i]);
     if (reinterpret_cast<Dart_NativeFunction>(entry->function_) == nf) {
       return reinterpret_cast<const uint8_t*>(entry->name_);
     }
   }
   return NULL;
 }
 
 }  // namespace bin
 }  // namespace dart