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From: | Jim Meyering <jim AT meyering DOT net> |
To: | ericblake AT comcast DOT net (Eric Blake) |
Cc: | cygwin AT cygwin DOT com, bug-coreutils AT gnu DOT org |
Subject: | Re: ls when acl() is busy |
In-Reply-To: | <062820050324.16993.42C0C2EB00001A5B0000426122007610640A050E040D0C079D0A@comcast.net> (Eric Blake's message of "Tue, 28 Jun 2005 03:24:27 +0000") |
References: | <062820050324 DOT 16993 DOT 42C0C2EB00001A5B0000426122007610640A050E040D0C079D0A AT comcast DOT net> |
Date: | Thu, 30 Jun 2005 10:16:44 +0200 |
Message-ID: | <85slz0dztf.fsf@pi.meyering.net> |
Lines: | 21 |
MIME-Version: | 1.0 |
ericblake AT comcast DOT net (Eric Blake) wrote: ... > Hmm - murky waters here. It would be a simple one-line fix to > coreutils/lib/acl.c to ignore EBUSY as a non-error, and POSIX has > no requirements per se that a failure of acl() should imply a failure > of ls(1). Should a busy file be conservatively treated as having an > ACL (designated with '+' in the mode string) or left alone without If acl failing with EBUSY is a reliable indicator that there is indeed an ACL, then using the `+' mark sounds best. It's also a little easier since we wouldn't have to document the meaning of a nonstandard `?'. > one (designated with ' ' in the mode string) when cygwin is unable > to query Windows without blocking for an undue length of time? > Right now, I'm almost leaning for a third option, and displaying '?' > or some other character to mean unable to determine, but that > would be more work (the gnulib library file_has_acl already returns > -1 on failure, 0 on no ACL, and 1 on ACL; perhaps make it return > 2 on indeterminate). Should such a change be propagated to > coreutils and gnulib, or left as a cygwin-local patch? -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/
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