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/*
* Copyright (c), Zeriph Enterprises
* All rights reserved.
*
* Contributor(s):
* Zechariah Perez, omni (at) zeriph (dot) com
*
* THIS SOFTWARE IS PROVIDED BY ZERIPH AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL ZERIPH AND CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#if !defined(OMNI_SCOPED_LOCK_HPP)
#define OMNI_SCOPED_LOCK_HPP 1
#include <omni/defs/global.hpp>
#include <omni/sync/lock.hpp>
namespace omni {
namespace sync {
template < typename T >
class scoped_lock
{
public:
explicit scoped_lock(T* l) : m_hndl(l)
{
this->m_hndl->lock();
}
~scoped_lock()
{
this->m_hndl->unlock();
}
const T *const handle() const
{
return this->m_hndl;
}
bool operator==(const scoped_lock& o) const
{
return (this->m_hndl == o.m_hndl);
}
bool operator==(const T& o) const
{
return (this->m_hndl == &o);
}
bool operator!=(const scoped_lock& o) const
{
return !(this->m_hndl == o.m_hndl);
}
bool operator!=(const T& o) const
{
return !(this->m_hndl == &o);
}
private:
scoped_lock();
scoped_lock(const scoped_lock& cp);
scoped_lock& operator=(const scoped_lock& cp);
T* m_hndl;
};
template <>
class scoped_lock <omni::sync::mutex_t>
{
public:
explicit scoped_lock(omni::sync::mutex_t* m) : m_mtx(m)
{
omni::sync::mutex_lock(*this->m_mtx);
}
~scoped_lock()
{
omni::sync::mutex_unlock(*this->m_mtx);
}
const omni::sync::mutex_t *const handle() const
{
return this->m_mtx;
}
bool operator==(const scoped_lock& o) const
{
return (this->m_mtx == o.m_mtx);
}
bool operator==(const omni::sync::mutex_t& o) const
{
return (this->m_mtx == &o);
}
bool operator!=(const scoped_lock& o) const
{
return !(this->m_mtx == o.m_mtx);
}
bool operator!=(const omni::sync::mutex_t& o) const
{
return !(this->m_mtx == &o);
}
private:
scoped_lock();
scoped_lock(const scoped_lock& cp);
scoped_lock& operator=(const scoped_lock& cp);
omni::sync::mutex_t* m_mtx;
};
}
}
#endif // OMNI_SCOPED_LOCK_HPP