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From:	"PAULUS, Raimund, TI-ABN" <Raimund DOT Paulus AT dillinger DOT biz>
To:	"cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Subject:	WG: AW: RPC clnt_create() adress already in use
Date:	Tue, 9 Jan 2018 08:13:51 +0000
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References:	<59D90AF8D70E9740907BACDE2BCB520836CEAFA5 AT RESW102 DOT resdom01 DOT local> <9e5fb028-573e-b4cd-7a44-77be4f0fb306 AT maxrnd DOT com>
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Hi Mark,

i have just tested it with the client-program from my email from December 29. The server-program is running on a linux-machine (SuSE Enterprise).
I compiled and linked the client.exe in Cygwin 1.5.18 on a PC with Windows XP SP3 and it works (loop 100 times). It was running in the bash-shell.
Thereafter I copied the client.exe to a Laptop with Windows 7 Home Premium. I started the program from the command prompt (cmd.exe) because rxvt doesn't work. 
The program works (loop 100 times).

Greetings

Raimund



-----Ursprüngliche Nachricht-----
Von: cygwin-owner AT cygwin DOT com [mailto:cygwin-owner AT cygwin DOT com] Im Auftrag von Mark Geisert
Gesendet: Dienstag, 9. Januar 2018 05:52
An: cygwin AT cygwin DOT com
Betreff: Re: AW: RPC clnt_create() adress already in use

Hi Raimund,
I think I might have an idea where the root cause is.  But first I want to revisit your very first email on this subject, from last September 22.  You mentioned test results from various Cygwin versions vs various Windows versions.

Are you absolutely sure your test program ran correctly on Cygwin 1.5.18 on
*both* Windows XP and Windows 7?

The reason I ask is that Windows' handling of socket option SO_REUSEADDR has changed over time and Cygwin has had to make accommodations to keep up.  There might possibly be a need to revisit this within Cygwin.

I want to test a possible solution within the Cygwin DLL on my test machine but it has another two days to go on a factorization problem it's running (under Cygwin).  So I will respond again after I test.
Thank you,

..mark

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