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Date: Fri, 19 Jan 2001 12:09:52 -0500
From: Christopher Faylor <cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: read() returns errno == 1 ("Resource temporarily unavailable")
Message-ID: <20010119120952.A7227@redhat.com>
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References: <u67snmf5x29 DOT fsf AT rachel DOT hq DOT vtech>
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In-Reply-To: <u67snmf5x29.fsf@rachel.hq.vtech>; from jojo@virtutech.se on Fri, Jan 19, 2001 at 05:25:02PM +0100

On Fri, Jan 19, 2001 at 05:25:02PM +0100, Jesper Eskilson wrote:
>
>Hi!
>
>I'm having trouble reading from a file using read(). The symptoms are that
>read() fails setting errno to 11 (EAGAIN). This should AFAIK only be
>possible on O_NONBLOCK filedescriptors, whereas the file in question is not
>opened in non-blocking mode.
>
>Any hints? I saw a fix in Cygwin.dll 1.1.7 which looked related, but the
>bug(?) is still there.

errno == 1 is not EAGAIN.  I assume that you mean errno == 11.

Looking at the code for _read, the only time this should be returned is if
you are using a non-blocking read.

cgf

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