[Mono-bugs] [Bug 356545] New: AsyncCallback failure on Sun SPARC Solaris 8

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Sun Jan 27 08:03:48 EST 2008


           Summary: AsyncCallback failure on Sun SPARC Solaris 8
           Product: Mono: Runtime
           Version: 1.2.6
          Platform: Sparc
        OS/Version: Solaris 8
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: misc
        AssignedTo: mono-bugs at lists.ximian.com
        ReportedBy: Yasuaki.Hasegawa at fujixerox.co.jp
         QAContact: mono-bugs at lists.ximian.com
                CC: Yasuaki.Hasegawa at fujixerox.co.jp
          Found By: ---

Created an attachment (id=191938)
 --> (https://bugzilla.novell.com/attachment.cgi?id=191938)
Test case

Steps to reproduce the problem:
Test case:

using System;
using System.Net;
using System.Net.Sockets;

public class Test
    public static void Main(string[] args)
        IPHostEntry hostAddress = Dns.GetHostEntry("www.amazon.com"); // any
ip-reachable host (ex: "www.amazon.com")
        foreach (IPAddress addr in hostAddress.AddressList)
            System.Console.WriteLine("ip address: " + addr.ToString());

            Socket socket = new Socket(AddressFamily.InterNetwork,
SocketType.Stream, ProtocolType.Tcp);
            // IPEndPoint endPoint = new IPEndPoint(addr, (int)3306);
            IPEndPoint endPoint = new IPEndPoint(addr, (int)80);

            IAsyncResult ias = socket.BeginConnect(endPoint, new
AsyncCallback(ConnectSocketCallback), socket);

            if (ias.AsyncWaitHandle.WaitOne(10000,false))
                Console.WriteLine("WaitOne: return TRUE");
                Console.WriteLine("WaitOne: return FALSE");


    public static void ConnectSocketCallback(IAsyncResult iar)
        System.Console.WriteLine("socket callback: " + iar);
        Socket sock = (Socket)iar.AsyncState;
        catch (Exception e)
            System.Console.WriteLine("got exception: {0}", e.ToString());

Actual Results:
On Solaris 8 (Sun SPARC):

AsyncCallBack never reached.

The application terminated with the following console output.

$ gmcs socket.cs
$ mono socket.exe
ip address:
WaitOne: return FALSE

The string "WaitOne: return FALSE" was displayed ten seconds later. 

Expected Results:
On Windows XP Box (Intel Pentium-M):

AsyncCallBack should be reached.

The following were output in the environment of Microsoft Visual C# 2005
Express Edition. 

ip address:
socket callback: System.Net.Sockets.ConnectAsyncResult
WaitOne: return TRUE

The character string "WaitOne:return TRUE" was displayed soon. 

How often does this happen? 
Every time.

Additional Information:
(1) Build Date & Platform

# uname -a
SunOS ozone 5.8 Generic_117350-46 sun4u sparc SUNW,Sun-Blade-1000

# gmcs --version
Mono C# compiler version

# mono --version
Mono JIT compiler version 1.2.6 (tarball)
Copyright (C) 2002-2007 Novell, Inc and Contributors. www.mono-project.com
        TLS:           normal
        GC:            Included Boehm (with typed GC)
        SIGSEGV:       normal
        Notification:  Thread + polling
        Architecture:  sparc
        Disabled:      none

(2) Related issue report

Bug 319828 - BeginConnect is still broken on OS X, just in a more interesting

Bug 320405 - AsyncCallBack failure

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