linux-kernel - Re: [RFC][glibc PATCH] fcntl-linux.h: add new definitions and manual updates for open file description locks

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Wed, 23 Apr 2014 11:09:51 -0400
From:	ams@....org (Alfred M. Szmidt)
To:	Jeff Layton <jlayton@...hat.com>
CC:	libc-alpha@...rceware.org, linux-fsdevel@...r.kernel.org,
	linux-kernel@...r.kernel.org, tytso@....edu, dalias@...c.org,
	mtk.manpages@...il.com, samba-technical@...ts.samba.org,
	nfs-ganesha-devel@...ts.sourceforge.net, carlos@...hat.com,
	metze@...ba.org, hch@...radead.org, bharrosh@...asas.com
Subject: Re: [RFC][glibc PATCH] fcntl-linux.h: add new definitions and manual updates for open file description locks

   @@ -2890,7 +2894,7 @@ Get flags associated with the open file.  @xref{File Status Flags}.
    Set flags associated with the open file.  @xref{File Status Flags}.

    @item F_GETLK
   -Get a file lock.  @xref{File Locks}.
   +Test a file lock.  @xref{File Locks}.

F_GETLK does get the (first) lock which blocks; it doesn't test for
it.  "Retrieves information about the first blocking lock ..." or
something might be better than the original

   @@ -2898,6 +2902,18 @@ Set or clear a file lock.  @xref{File Locks}.
    @item F_SETLKW
    Like @code{F_SETLK}, but wait for completion.  @xref{File Locks}.

   +@...m F_OFD_GETLK
   +Test a open file description lock.  @xref{Open File Description Locks}.
   +Specific to Linux.

Likewise.  You infact write that it does get the lock information
later in the document wrt. F_OFD_GETLK.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/