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/* lock.hpp
*
* Copyright (C) 2003 Sawtooth Consulting Ltd.
*
* This file is part of yaSSL.
*
* yaSSL 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.
*
* There are special exceptions to the terms and conditions of the GPL as it
* is applied to yaSSL. View the full text of the exception in the file
* FLOSS-EXCEPTIONS in the directory of this software distribution.
*
* yaSSL 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
*/
/* lock.hpp provides an os specific Lock, locks mutex on entry and unlocks
* automatically upon exit, no-ops provided for Single Threaded
*/
#ifndef yaSSL_LOCK_HPP
#define yaSSL_LOCK_HPP
namespace yaSSL {
#ifdef MULTI_THREADED
#ifdef _WIN32
#include <windows.h>
class Mutex {
CRITICAL_SECTION cs_;
public:
Mutex();
~Mutex();
class Lock;
friend class Lock;
class Lock {
Mutex& mutex_;
public:
explicit Lock(Mutex& lm);
~Lock();
};
};
#else // _WIN32
#include <pthread.h>
class Mutex {
pthread_mutex_t mutex_;
public:
Mutex();
~Mutex();
class Lock;
friend class Lock;
class Lock {
Mutex& mutex_;
public:
explicit Lock(Mutex& lm);
~Lock();
};
};
#endif // _WIN32
#else // MULTI_THREADED (WE'RE SINGLE)
class Mutex {
public:
class Lock {
public:
explicit Lock(Mutex&) {}
};
};
#endif // MULTI_THREADED
} // namespace
#endif // yaSSL_LOCK_HPP
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