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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */
#ifndef RECURSIVE_SCOPED_LOCK_H
#define RECURSIVE_SCOPED_LOCK_H
#include <boost/version.hpp>
#include <boost/thread/locks.hpp>
#include <boost/thread/recursive_mutex.hpp>
namespace Threading {
typedef boost::recursive_mutex RecursiveMutex;
class RecursiveScopedLock {
char sl_lock[sizeof(boost::recursive_mutex::scoped_lock)];
public:
RecursiveScopedLock(boost::recursive_mutex& m, bool locked = true) {
#if (BOOST_VERSION >= 103500)
if (locked) {
new (sl_lock) boost::recursive_mutex::scoped_lock(m);
} else {
new (sl_lock) boost::recursive_mutex::scoped_lock(m, boost::defer_lock);
}
#else
new (sl_lock) boost::recursive_mutex::scoped_lock(m, locked);
#endif
}
virtual ~RecursiveScopedLock() {
#if (BOOST_VERSION >= 103500)
((boost::recursive_mutex::scoped_lock*)sl_lock)->~unique_lock();
#else
((boost::recursive_mutex::scoped_lock*)sl_lock)->~scoped_lock();
#endif
}
};
}
#endif // RECURSIVE_SCOPED_LOCK_H
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