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Date: Wed, 25 Feb 2015 12:06:33 -0500
From: Ken Brown <kbrown AT cornell DOT edu>
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To: cygwin AT cygwin DOT com
Subject: Re: tcflush bug?
References: <54EDF74E DOT 40207 AT cornell DOT edu> <20150225164831 DOT GJ437 AT calimero DOT vinschen DOT de> <54EDFE59 DOT 1070201 AT cornell DOT edu>
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On 2/25/2015 11:54 AM, Ken Brown wrote:
> On 2/25/2015 11:48 AM, Corinna Vinschen wrote:
>> On Feb 25 11:24, Ken Brown wrote:
>>> While debugging a clisp problem, I encountered what I think is a bug
>>> in Cygwin's tcflush.  Here's an STC:
>>>
>>> $ cat test_tcflush.c
>>> #include <termios.h>
>>> #include <errno.h>
>>> #include <string.h>
>>> #include <stdio.h>
>>>
>>> int
>>> main ()
>>> {
>>>    if (tcflush (0, TCIFLUSH) == -1)
>>>      fprintf (stderr, "Can't flush standard input: %s\n", strerror
>>> (errno));
>>>    return 0;
>>> }
>>>
>>> $ gcc test_tcflush.c -o test_tcflush
>>>
>>> $ ./test_tcflush.exe
>>> Can't flush standard input: Resource temporarily unavailable
>>>
>>> Am I misunderstanding how this should work, or is this a bug?
>>
>> A bug in the pty code (observe this working correctly in a Windows
>> console).  I applied a fix to CVS.  Do you need a snapshot?
>
> Thanks for the quick fix!  No, I don't need a snapshot.

And I can confirm that it fixes the problem (and the original clisp 
problem).

Ken


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