1/* -*- mode: C; c-basic-offset: 3; indent-tabs-mode: nil; -*- */
2/*
3  This file is part of drd, a thread error detector.
4
5  Copyright (C) 2006-2011 Bart Van Assche <bvanassche@acm.org>.
6
7  This program is free software; you can redistribute it and/or
8  modify it under the terms of the GNU General Public License as
9  published by the Free Software Foundation; either version 2 of the
10  License, or (at your option) any later version.
11
12  This program is distributed in the hope that it will be useful, but
13  WITHOUT ANY WARRANTY; without even the implied warranty of
14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  General Public License for more details.
16
17  You should have received a copy of the GNU General Public License
18  along with this program; if not, write to the Free Software
19  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
20  02111-1307, USA.
21
22  The GNU General Public License is contained in the file COPYING.
23*/
24
25
26// Reader-writer lock state information.
27
28
29#ifndef __DRD_RWLOCK_H
30#define __DRD_RWLOCK_H
31
32
33#include "drd_clientobj.h"        // struct rwlock_info
34#include "drd_thread.h"           // DrdThreadId
35#include "pub_tool_basics.h"      // Addr
36
37
38struct rwlock_info;
39
40
41void DRD_(rwlock_set_trace)(const Bool trace_rwlock);
42void DRD_(rwlock_set_exclusive_threshold)(const UInt exclusive_threshold_ms);
43void DRD_(rwlock_set_shared_threshold)(const UInt shared_threshold_ms);
44struct rwlock_info* DRD_(rwlock_pre_init)(const Addr rwlock,
45                                          const RwLockT rwlock_type);
46void DRD_(rwlock_post_destroy)(const Addr rwlock, const RwLockT rwlock_type);
47void DRD_(rwlock_pre_rdlock)(const Addr rwlock, const RwLockT rwlock_type);
48void DRD_(rwlock_post_rdlock)(const Addr rwlock, const RwLockT rwlock_type,
49                              const Bool took_lock);
50void DRD_(rwlock_pre_wrlock)(const Addr rwlock, const RwLockT rwlock_type);
51void DRD_(rwlock_post_wrlock)(const Addr rwlock, const RwLockT rwlock_type,
52                              const Bool took_lock);
53void DRD_(rwlock_pre_unlock)(const Addr rwlock, const RwLockT rwlock_type);
54ULong DRD_(get_rwlock_segment_creation_count)(void);
55
56
57#endif /* __DRD_RWLOCK_H */
58