(call-process ...) hangs in emacs
Wed Aug 27 17:15:00 GMT 2014
On 8/27/2014 10:40 AM, Eric Blake wrote:
> On 08/27/2014 07:47 AM, Corinna Vinschen wrote:
>>>> Works for vim. Does the Emacs configure test only check for POSIX
>>>> ACL functions and not for Solaris ACL functions, by any chance?
>>> I spoke too soon. It does detect that Cygwin has certain ACL functions.
>>> But the feature that Achim was asking about seems to get used only on
>>> systems that have acl_get_file. I guess that's a POSIX ACL function.
>> Yes, it is. It's pretty much the same as the Solaris/Cygwin function
>> int acl (const char *path, int cmd, int nentries, aclent_t *aclbufp);
>> See http://docs.oracle.com/cd/E23823_01/html/816-5167/acl-2.html for
>> a description. We're only supporting the aclent_t type (funny, isn't it?)
>> which is pretty much based on POSIX ACLs and which is defined in
> Hmm; isn't emacs using gnulib's acl wrappers? (Paul Eggert would know;
> he's the developer that's done the most recent work on Gnulib ACL
> support as well as on emacs). In that case, shouldn't the behavior be
> the same as for coreutils, which also uses gnulib? I'm wondering if
> there are any bugs in the gnulib acl wrappers which might affect more
> than just emacs, and/or where a cygwin patch would make the gnulib
> wrappers happier. Sadly, I'm also not the best expert on ACLs.
I'll follow up on the emacs-devel list.
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