From 52020a40501e97d93034745a9e4b2611f3af312c Mon Sep 17 00:00:00 2001 From: "Michael I. Bushnell" Date: Mon, 13 Nov 1995 21:52:09 +0000 Subject: entered into RCS --- libnetfs/file-lock.c | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 libnetfs/file-lock.c (limited to 'libnetfs/file-lock.c') diff --git a/libnetfs/file-lock.c b/libnetfs/file-lock.c new file mode 100644 index 00000000..cedc9c1d --- /dev/null +++ b/libnetfs/file-lock.c @@ -0,0 +1,36 @@ +/* + Copyright (C) 1995 Free Software Foundation, Inc. + Written by Michael I. Bushnell, p/BSG. + + This file is part of the GNU Hurd. + + The GNU Hurd is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2, or (at + your option) any later version. + + The GNU Hurd is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ + +#include "netfs.h" +#include "fs_S.h" + +error_t +netfs_S_file_lock (struct protid *user, + int flags) +{ + error_t err; + if (!user) + return EOPNOTSUPP; + mutex_lock (&user->po->np->lock); + err = fshelp_acquire_lock (&user->po->np->userlock, &user->po->lock_status, + &user->po->np->lock, flags); + mutex_unlock (&user->po->np->lock); + return err; +} -- cgit v1.2.3