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/*
* Copyright 2016-2018, Intel Corporation
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 THE COPYRIGHT
* OWNER OR 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.
*/
/**
* @file
* Commonly used functionality.
*/
#ifndef LIBPMEMOBJ_CPP_COMMON_HPP
#define LIBPMEMOBJ_CPP_COMMON_HPP
#include <libpmemobj++/detail/pexceptions.hpp>
#include <libpmemobj/tx_base.h>
#include <typeinfo>
#if defined(__GNUC__) || defined(__clang__)
#define POBJ_CPP_DEPRECATED __attribute__((deprecated))
#elif defined(_MSC_VER)
#define POBJ_CPP_DEPRECATED __declspec(deprecated)
#else
#define POBJ_CPP_DEPRECATED
#endif
namespace pmem
{
namespace obj
{
template <typename T>
class persistent_ptr;
}
namespace detail
{
/*
* Conditionally add 'count' objects to a transaction.
*
* Adds count objects starting from `that` to the transaction if '*that' is
* within a pmemobj pool and there is an active transaction.
* Does nothing otherwise.
*
* @param[in] that pointer to the first object being added to the transaction.
* @param[in] count number of elements to be added to the transaction.
*/
template <typename T>
inline void
conditional_add_to_tx(const T *that, std::size_t count = 1)
{
if (count == 0)
return;
if (pmemobj_tx_stage() != TX_STAGE_WORK)
return;
/* 'that' is not in any open pool */
if (!pmemobj_pool_by_ptr(that))
return;
if (pmemobj_tx_add_range_direct(that, sizeof(*that) * count))
throw transaction_error("Could not add object(s) to the"
" transaction.");
}
/*
* Return type number for given type.
*/
template <typename T>
uint64_t
type_num()
{
return typeid(T).hash_code();
}
} /* namespace detail */
} /* namespace pmem */
#endif /* LIBPMEMOBJ_CPP_COMMON_HPP */
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