/usr/include/CLAM/RecursiveMutex.hxx is in libclam-dev 1.4.0-6.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2004 MUSIC TECHNOLOGY GROUP (MTG)
* UNIVERSITAT POMPEU FABRA
*
*
* 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
*
*/
#ifndef __RECURSIVEMUTEX__
#define __RECURSIVEMUTEX__
#include <pthread.h>
#include "Lock.hxx"
namespace CLAM
{
struct xtime;
class RecursiveMutex
{
public:
friend class Hidden::LockOps<RecursiveMutex>;
typedef Hidden::LockOps<RecursiveMutex> LockOps;
typedef Hidden::ScopedLock<RecursiveMutex> ScopedLock;
RecursiveMutex();
~RecursiveMutex();
public:
struct ConditionVar
{
long count;
pthread_mutex_t* pmutex;
};
private:
void DoLock();
void DoUnlock();
void DoLock( ConditionVar& state );
void DoUnlock( ConditionVar& state );
pthread_mutex_t mMutex;
unsigned mCount;
pthread_cond_t mUnlocked;
pthread_t mThreadID;
bool mValidID;
};
class RecursiveTryMutex
{
public:
friend class Hidden::LockOps<RecursiveTryMutex>;
typedef Hidden::ScopedLock<RecursiveTryMutex> ScopedLock;
typedef Hidden::ScopedTryLock<RecursiveTryMutex> ScopedTryLock;
RecursiveTryMutex();
~RecursiveTryMutex();
private:
struct ConditionVar
{
long count;
pthread_mutex_t* pmutex;
};
void DoLock();
bool DoTryLock();
void DoUnlock();
void DoLock( ConditionVar& state );
void DoUnlock( ConditionVar& state );
pthread_mutex_t mMutex;
unsigned mCount;
pthread_cond_t mUnlocked;
pthread_t mThreadID;
bool mValidID;
};
class RecursiveTimedMutex
{
public:
friend class Hidden::LockOps<RecursiveTimedMutex>;
typedef Hidden::ScopedLock<RecursiveTimedMutex> ScopedLock;
typedef Hidden::ScopedTryLock<RecursiveTimedMutex> ScopedTryLock;
typedef Hidden::ScopedTimedLock<RecursiveTimedMutex> ScopedTimedLock;
RecursiveTimedMutex();
~RecursiveTimedMutex();
private:
struct ConditionVar
{
long count;
pthread_mutex_t* pmutex;
};
void DoLock();
bool DoTryLock();
bool DoTimedLock( const xtime& xt );
void DoUnlock();
void DoLock( ConditionVar& state );
void DoUnlock( ConditionVar& state );
pthread_mutex_t mMutex;
unsigned mCount;
pthread_cond_t mUnlocked;
pthread_t mThreadID;
bool mValidID;
};
} // namespace CLAM
#endif // RecursiveMutex.hxx
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