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/*
This file is part of drd, a thread error detector.
Copyright (C) 2006-2015 Bart Van Assche <bvanassche@acm.org>.
This program 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 of the
License, or (at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307, USA.
The GNU General Public License is contained in the file COPYING.
*/
// Semaphore state information: owner thread and recursion count.
#ifndef __DRD_SEMAPHORE_H
#define __DRD_SEMAPHORE_H
#include "drd_thread.h" // DrdThreadId
#include "pub_tool_basics.h" // Addr
struct semaphore_info;
void DRD_(semaphore_set_trace)(const Bool trace_semaphore);
struct semaphore_info* DRD_(semaphore_init)(const Addr semaphore,
const Word pshared,
const UInt value);
void DRD_(semaphore_destroy)(const Addr semaphore);
struct semaphore_info* DRD_(semaphore_open)(const Addr semaphore,
const HChar* name, const Word oflag,
const Word mode, const UInt value);
void DRD_(semaphore_close)(const Addr semaphore);
void DRD_(semaphore_pre_wait)(const Addr semaphore);
void DRD_(semaphore_post_wait)(const DrdThreadId tid, const Addr semaphore,
const Bool waited);
void DRD_(semaphore_pre_post)(const DrdThreadId tid, const Addr semaphore);
void DRD_(semaphore_post_post)(const DrdThreadId tid, const Addr semaphore,
const Bool waited);
ULong DRD_(get_semaphore_segment_creation_count)(void);
#endif /* __DRD_SEMAPHORE_H */
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