libcruft-util/library_posix.cpp

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/*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* Copyright 2015 Danny Robson <danny@nerdcruft.net>
*/
#include "library_posix.hpp"
#include <stdexcept>
using util::detail::library_posix;
///////////////////////////////////////////////////////////////////////////////
library_posix::library_posix (const std::experimental::filesystem::path &path):
m_handle (dlopen (path.c_str (), RTLD_NOW))
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{
if (!m_handle)
throw std::runtime_error (dlerror ());
}
//-----------------------------------------------------------------------------
library_posix::library_posix (library_posix &&rhs) noexcept:
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m_handle (nullptr)
{
std::swap (m_handle, rhs.m_handle);
}
//-----------------------------------------------------------------------------
library_posix::~library_posix ()
{
if (m_handle)
dlclose (m_handle);
}