bin/123693: Workaround for burncd: ioctl(CDIOCEJECT): Input/output error

[Carlos A. M. dos Santos]

The following reply was made to PR bin/123693; it has been noted by GNATS.

From: "Carlos A. M. dos Santos" <unixmania at gmail.com>
To: Volker <volker at vwsoft.com>
Cc: bug-followup at freebsd.org
Subject: Re: bin/123693: Workaround for burncd: ioctl(CDIOCEJECT): Input/output error
Date: Mon, 26 May 2008 10:01:13 -0300

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 On Mon, May 26, 2008 at 1:21 AM, Carlos A. M. dos Santos
 <unixmania at gmail.com> wrote:
 > On Mon, May 19, 2008 at 9:27 AM, Carlos A. M. dos Santos
 > <unixmania at gmail.com> wrote:
 >> On Sat, May 17, 2008 at 4:28 PM, Volker <volker at vwsoft.com> wrote:
 >>> Carlos,
 >>>
 >>> IMHO it's better to explicitly check for ioctl returning EBUSY and 5
 >>> seconds may not fit every situation.
 >>>
 >>> Volker
 >>
 >> Ok, I will attempt the approach of checking for EBUSY.
 >
 > I found that ioctl(fd, CDIOCEJECT) returns EIO, not EBUSY, so it seems
 > that there is no better solution. I was able to improve the delays,
 > however (see attachmet). Now they grow exponentially, limited to 31
 > seconds (1 + 2 + 4 + 8 + 16). This is better than flooding the CD
 > drive with one eject request per second.
 
 Resending the patch, since bug-followup seems to expect an explicit
 ".txt" extension in order to display it correctly.
 
 -- 
 Carlos A. M. dos Santos
 
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