drd/drd_rwlock.h

   1 /*
   2   This file is part of drd, a thread error detector.
   3
   4   Copyright (C) 2006-2020 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, see <http://www.gnu.org/licenses/>.
  18
  19   The GNU General Public License is contained in the file COPYING.
  20 */
  21
  22
  23 // Reader-writer lock state information.
  24
  25
  26 #ifndef __DRD_RWLOCK_H
  27 #define __DRD_RWLOCK_H
  28
  29
  30 #include "drd_clientobj.h"        // struct rwlock_info
  31 #include "drd_thread.h"           // DrdThreadId
  32 #include "pub_tool_basics.h"      // Addr
  33
  34
  35 struct rwlock_info;
  36
  37
  38 void DRD_(rwlock_set_trace)(const Bool trace_rwlock);
  39 void DRD_(rwlock_set_exclusive_threshold)(const UInt exclusive_threshold_ms);
  40 void DRD_(rwlock_set_shared_threshold)(const UInt shared_threshold_ms);
  41 struct rwlock_info* DRD_(rwlock_pre_init)(const Addr rwlock,
  42                                           const RwLockT rwlock_type);
  43 void DRD_(rwlock_post_destroy)(const Addr rwlock, const RwLockT rwlock_type);
  44 void DRD_(rwlock_pre_rdlock)(const Addr rwlock, const RwLockT rwlock_type);
  45 void DRD_(rwlock_post_rdlock)(const Addr rwlock, const RwLockT rwlock_type,
  46                               const Bool took_lock);
  47 void DRD_(rwlock_pre_wrlock)(const Addr rwlock, const RwLockT rwlock_type);
  48 void DRD_(rwlock_post_wrlock)(const Addr rwlock, const RwLockT rwlock_type,
  49                               const Bool took_lock);
  50 void DRD_(rwlock_pre_unlock)(const Addr rwlock, const RwLockT rwlock_type);
  51 ULong DRD_(get_rwlock_segment_creation_count)(void);
  52
  53
  54 #endif /* __DRD_RWLOCK_H */