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Date: Tue, 24 Feb 2026 15:59:37 +0900
To: cygwin AT cygwin DOT com
Subject: Re: General clipboard issue on cygwin (mintty, putclip, getclip,
 /dev/clipboard)
Message-Id: <20260224155937.91bacfe94ce764b70dfbd680@nifty.ne.jp>
In-Reply-To: <29ca918e-5996-4f04-8812-9f84e73081d5@SystematicSW.ab.ca>
References: <20260224103628 DOT fdbd7396311092795834c24f AT nifty DOT ne DOT jp>
 <29ca918e-5996-4f04-8812-9f84e73081d5 AT SystematicSW DOT ab DOT ca>
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From: Takashi Yano via Cygwin <cygwin AT cygwin DOT com>
Reply-To: Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>
Errors-To: cygwin-bounces~archive-cygwin=delorie DOT com AT cygwin DOT com
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This is a multi-part message in MIME format.

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On Mon, 23 Feb 2026 23:04:31 -0700
Brian Inglis wrote:
> On 2026-02-23 18:36, Takashi Yano via Cygwin wrote:
> > I encountered a clipboard issue common to cygwin.
> > 
> > Affected components:
> > /dev/clipboard, putclip/getclip, mintty
> > 
> > The issue:
> > If the clipbard is opened by `OpenClipboard(NULL)`, occasionally
> > SetClipboardData() and GetClipboardData() fails with
> > ERROR_CLIPBOARD_NOT_OPEN.
> > 
> > When UltraVNC Viewer (https://uvnc.com/) is opened, this issue
> > happens with a very high probability (> ~90%).
> > 
> > $ echo AAAA > /dev/clipboard
> > echo: write error: Permission denied
> > 
> > On mintty, text selection by mouse and clicking center button
> > fails at the first attempt.
> > 
> > For putlclip/getclip, the following command outputs nothing
> > in a few attempts. ("ABCD" is lost.)
> > $ echo ABCD |putclip; for a in `seq 100`; do getclip |putclip; done; getclip
> 
> Hi,
> 
> Your patch attachment is typed as:
> 
> 	Content-Type: plain/text;
> 
> rather than the standard mime type text/plain;
> please check your /etc/mime.types, ~/.sylpheed/mime.types, ~/.*/mime.types, or 
> other alternatives for that incorrect mime type mapping, replace with the 
> standard, and resend with the attachment, so we can read it inline, without 
> saving or other operations to decode it.

Thanks!

Actually, my MUA (sylpheed) uses "application/octet-stream" for .patch file,
so I manually changed it to "text/plain". But accsidendly, it was "plain/text"
by my mistake.

I resend it on this mail.

-- 
Takashi Yano <takashi DOT yano AT nifty DOT ne DOT jp>

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