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/*
Copyright (C) 2000-2007 MySQL AB
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; version 2 of the License.
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; see the file COPYING. If not, write to the
Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
MA 02110-1301 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
/*
Visual Studio Source Annotations header (sourceannotations.h) fails
to compile if outside of the global namespace.
*/
#ifdef YASSL_THREAD_SAFE
#ifdef _WIN32
#include <windows.h>
#endif
#endif
namespace yaSSL {
#ifdef YASSL_THREAD_SAFE
#ifdef _WIN32
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 // YASSL_THREAD_SAFE (WE'RE SINGLE)
class Mutex {
public:
class Lock {
public:
explicit Lock(Mutex&) {}
};
};
#endif // YASSL_THREAD_SAFE
} // namespace
#endif // yaSSL_LOCK_HPP
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