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/* Copyright (C) 2001, 2014-2019 Free Software Foundation, Inc.
Written by Neal H Walfield <neal@cs.uml.edu>
This program 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.
This program 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 the GNU Hurd. If not, see <http://www.gnu.org/licenses/>. */
#include "priv.h"
#include "diskfs.h"
#include "fs_S.h"
#include <errno.h>
#include <hurd/fshelp.h>
kern_return_t
diskfs_S_file_record_lock (struct protid *cred,
int cmd,
struct flock64 *lock,
mach_port_t rendezvous)
{
struct node *node;
error_t err;
if (! cred)
return EOPNOTSUPP;
node = cred->po->np;
pthread_mutex_lock (&node->lock);
err = fshelp_rlock_tweak (&node->userlock, &node->lock,
&cred->po->lock_status, cred->po->openstat,
node->dn_stat.st_size, cred->po->filepointer,
cmd, lock, rendezvous);
pthread_mutex_unlock (&node->lock);
return err;
}
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