drd/drd_semaphore.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 // Semaphore state information: owner thread and recursion count.
  24
  25
  26 #ifndef __DRD_SEMAPHORE_H
  27 #define __DRD_SEMAPHORE_H
  28
  29
  30 #include "drd_thread.h"           // DrdThreadId
  31 #include "pub_tool_basics.h"      // Addr
  32
  33
  34 struct semaphore_info;
  35
  36
  37 void DRD_(semaphore_set_trace)(const Bool trace_semaphore);
  38 struct semaphore_info* DRD_(semaphore_init)(const Addr semaphore,
  39                                             const Word pshared,
  40                                             const UInt value);
  41 void DRD_(semaphore_destroy)(const Addr semaphore);
  42 struct semaphore_info* DRD_(semaphore_open)(const Addr semaphore,
  43                                             const HChar* name, const Word oflag,
  44                                             const Word mode, const UInt value);
  45 void DRD_(semaphore_close)(const Addr semaphore);
  46 void DRD_(semaphore_pre_wait)(const Addr semaphore);
  47 void DRD_(semaphore_post_wait)(const DrdThreadId tid, const Addr semaphore,
  48                                const Bool waited);
  49 void DRD_(semaphore_pre_post)(const DrdThreadId tid, const Addr semaphore);
  50 void DRD_(semaphore_post_post)(const DrdThreadId tid, const Addr semaphore,
  51                                const Bool waited);
  52 ULong DRD_(get_semaphore_segment_creation_count)(void);
  53
  54
  55 #endif /* __DRD_SEMAPHORE_H */