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Re: 2 instances of Xwin
- From: Igor Pechtchanski <pechtcha at cs dot nyu dot edu>
- To: cygwin-xfree at cygwin dot com
- Cc: Amr Mohamed Roushdi <aroushdi at fr dot ibm dot com>
- Date: Fri, 16 Jul 2004 14:52:11 -0400 (EDT)
- Subject: Re: 2 instances of Xwin
- References: <OF63CF2F73.3CF0C454-ONC1256ED3.00287FE8-C1256ED3.002967BA@fr.ibm.com><Pine.LNX.4.55.0407161730290.1677@lupus.ago.vpn>
- Reply-to: cygwin-xfree at cygwin dot com
- Reply-to: cygwin-xfree at cygwin dot com
On Fri, 16 Jul 2004, Alexander Gottwald wrote:
> Amr Mohamed Roushdi wrote:
>
> > Hi Alex it is me again . I am enclosing the strace fot the 1st instance
> > good and the 2nd instance which blew out .
> > thks for ur help
>
> from tracegood
>
> 310 2041721 [main] xwin 2284 cygwin_socket: 6 = socket (2, 2, 0)
> 429 2042150 [main] xwin 2284 cygwin_setsockopt: setsockopt optval=1
> 323 2042473 [main] xwin 2284 cygwin_setsockopt: 0 = setsockopt (6, 65535, 20 (SO_BROADCAST), 0x22EF84, 4)
> 672 2043145 [main] xwin 2284 cygwin_bind: 0 = bind (6, 0x769BD0, 16)
>
> from trace
>
> 304 2658029 [main] xwin 2312 cygwin_socket: 6 = socket (2, 2, 0)
> 321 2658350 [main] xwin 2312 cygwin_setsockopt: setsockopt optval=1
> 311 2658661 [main] xwin 2312 cygwin_setsockopt: 0 = setsockopt (6, 65535, 20 (SO_BROADCAST), 0x22EF84, 4)
> 449 2659110 [main] xwin 2312 __set_winsock_errno: bind:477 - winsock error 10048 -> errno 112
> 306 2659416 [main] xwin 2312 cygwin_bind: -1 = bind (6, 0x769BD0, 16)
>
> the winsock error 10048 is WSAEADDRINUSE which means another program is using
> the port. Up to this bind the logs are nearly identical (only differs in
> process ids, the :5 vs :10 and some small differences with pointers and
> handles returned from windows).
Doesn't X bind to different ports depending on the display number? Could
it be that the X+10 port is in use, but X+5 isn't? Or am I completely
confused?
Igor
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