Date: Mon, 26 May 2008 04:30:03 GMT From: "Carlos A. M. dos Santos" <unixmania@gmail.com> To: freebsd-bugs@FreeBSD.org Subject: Re: bin/123693: Workaround for burncd: ioctl(CDIOCEJECT): Input/output error Message-ID: <200805260430.m4Q4U3K4006202@freefall.freebsd.org>
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The following reply was made to PR bin/123693; it has been noted by GNATS. From: "Carlos A. M. dos Santos" <unixmania@gmail.com> To: Volker <volker@vwsoft.com> Cc: bug-followup@freebsd.org Subject: Re: bin/123693: Workaround for burncd: ioctl(CDIOCEJECT): Input/output error Date: Mon, 26 May 2008 01:21:28 -0300 ------=_Part_13622_26553487.1211775688368 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline On Mon, May 19, 2008 at 9:27 AM, Carlos A. M. dos Santos <unixmania@gmail.com> wrote: > On Sat, May 17, 2008 at 4:28 PM, Volker <volker@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. -- Carlos A. M. dos Santos ------=_Part_13622_26553487.1211775688368 Content-Type: application/octet-stream; name=burncd_eject.patch Content-Transfer-Encoding: base64 X-Attachment-Id: f_fgojrct30 Content-Disposition: attachment; filename=burncd_eject.patch ZGlmZiAtZHVyUCBidXJuY2Qub3JpZy9idXJuY2QuYyBidXJuY2QvYnVybmNkLmMKLS0tIGJ1cm5j ZC5vcmlnL2J1cm5jZC5jCTIwMDUtMDUtMTMgMTc6MDY6NDQuMDAwMDAwMDAwIC0wMzAwCisrKyBi dXJuY2QvYnVybmNkLmMJMjAwOC0wNS0yNiAwMDo1MTozMS4wMDAwMDAwMDAgLTAzMDAKQEAgLTQ2 LDYgKzQ2LDcgQEAKICNpbmNsdWRlIDxhcnBhL2luZXQuaD4KIAogI2RlZmluZSBCTE9DS1MJMTYK KyNkZWZpbmUgRUpFQ1RfVFJJRVMgNQogCiBzdHJ1Y3QgdHJhY2tfaW5mbyB7CiAJaW50CWZpbGU7 CkBAIC0zMTYsOSArMzE3LDE1IEBACiAJCWVycihFWF9JT0VSUiwgImlvY3RsKENEUklPQ1NFVEJM T0NLU0laRSkiKTsKIAl9CiAKLQlpZiAoZWplY3QpCi0JCWlmIChpb2N0bChmZCwgQ0RJT0NFSkVD VCkgPCAwKQorCWlmIChlamVjdCkgeworCQlpbnQgc3RhdHVzLCB0cnkgPSBFSkVDVF9UUklFUywg ZGVsYXkgPSAxOworCQl3aGlsZSAoKHN0YXR1cyA9IGlvY3RsKGZkLCBDRElPQ0VKRUNUKSkgPCAw ICYmIC0tdHJ5ID4gMCkgeworCQkJc2xlZXAoZGVsYXkpOworCQkJZGVsYXkgKj0gMjsKKwkJfQor CQlpZiAoc3RhdHVzIDwgMCkKIAkJCWVycihFWF9JT0VSUiwgImlvY3RsKENESU9DRUpFQ1QpIik7 CisJfQogCWNsb3NlKGZkKTsKIAlleGl0KEVYX09LKTsKIH0KT25seSBpbiBidXJuY2Qub3JpZzog YnVybmNkLmMub3JpZwo= ------=_Part_13622_26553487.1211775688368--
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