blob: ab536e864d9c2930e260bd7d6dc2bd0555accec0 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
/*
Copyright (C) 1993, 1994 Free Software Foundation
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 the GNU Hurd; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
/* Written by Michael I. Bushnell. */
#include "priv.h"
#include "fs_S.h"
kern_return_t
diskfs_S_file_lock (struct protid *cred, int flags)
{
error_t err;
if (!cred)
return EOPNOTSUPP;
pthread_mutex_lock (&cred->po->np->lock);
err = fshelp_acquire_lock (&cred->po->np->userlock, &cred->po->lock_status,
&cred->po->np->lock, flags);
pthread_mutex_unlock (&cred->po->np->lock);
return err;
}
|
