1/*
2  This file is part of drd, a thread error detector.
3
4  Copyright (C) 2006-2013 Bart Van Assche <bvanassche@acm.org>.
5
6  This program is free software; you can redistribute it and/or
7  modify it under the terms of the GNU General Public License as
8  published by the Free Software Foundation; either version 2 of the
9  License, or (at your option) any later version.
10
11  This program is distributed in the hope that it will be useful, but
12  WITHOUT ANY WARRANTY; without even the implied warranty of
13  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  General Public License for more details.
15
16  You should have received a copy of the GNU General Public License
17  along with this program; if not, write to the Free Software
18  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
19  02111-1307, USA.
20
21  The GNU General Public License is contained in the file COPYING.
22*/
23
24
25// Reader-writer lock state information.
26
27
28#ifndef __DRD_RWLOCK_H
29#define __DRD_RWLOCK_H
30
31
32#include "drd_clientobj.h"        // struct rwlock_info
33#include "drd_thread.h"           // DrdThreadId
34#include "pub_tool_basics.h"      // Addr
35
36
37struct rwlock_info;
38
39
40void DRD_(rwlock_set_trace)(const Bool trace_rwlock);
41void DRD_(rwlock_set_exclusive_threshold)(const UInt exclusive_threshold_ms);
42void DRD_(rwlock_set_shared_threshold)(const UInt shared_threshold_ms);
43struct rwlock_info* DRD_(rwlock_pre_init)(const Addr rwlock,
44                                          const RwLockT rwlock_type);
45void DRD_(rwlock_post_destroy)(const Addr rwlock, const RwLockT rwlock_type);
46void DRD_(rwlock_pre_rdlock)(const Addr rwlock, const RwLockT rwlock_type);
47void DRD_(rwlock_post_rdlock)(const Addr rwlock, const RwLockT rwlock_type,
48                              const Bool took_lock);
49void DRD_(rwlock_pre_wrlock)(const Addr rwlock, const RwLockT rwlock_type);
50void DRD_(rwlock_post_wrlock)(const Addr rwlock, const RwLockT rwlock_type,
51                              const Bool took_lock);
52void DRD_(rwlock_pre_unlock)(const Addr rwlock, const RwLockT rwlock_type);
53ULong DRD_(get_rwlock_segment_creation_count)(void);
54
55
56#endif /* __DRD_RWLOCK_H */
57