dll/example/tutorial4/load_self.cpp
2019-01-06 20:30:18 +03:00

40 lines
1.3 KiB
C++

// Copyright 2014 Renato Tegon Forti, Antony Polukhin.
// Copyright 2015-2019 Antony Polukhin.
//
// Distributed under the Boost Software License, Version 1.0.
// (See accompanying file LICENSE_1_0.txt
// or copy at http://www.boost.org/LICENSE_1_0.txt)
// MinGW related workaround
#define BOOST_DLL_FORCE_ALIAS_INSTANTIATION
//[plugcpp_my_plugin_load_self
#include <boost/dll/shared_library.hpp> // for shared_library
#include <boost/dll/runtime_symbol_info.hpp> // for program_location()
#include "static_plugin.hpp" // without this headers some compilers may optimize out the `create_plugin` symbol
#include <boost/function.hpp>
#include <iostream>
namespace dll = boost::dll;
int main() {
dll::shared_library self(dll::program_location());
std::cout << "Call function" << std::endl;
boost::function<boost::shared_ptr<my_plugin_api>()> creator
= self.get_alias<boost::shared_ptr<my_plugin_api>()>("create_plugin");
std::cout << "Computed Value: " << creator()->calculate(2, 2) << std::endl;
//<-
{
// This block is invisible for Quickbook documentation
float res = creator()->calculate(10, 10);
if (!(res > -0.0001 && res < 0.00001)) {
throw std::runtime_error("Failed check: res > -0.0001 && res < 0.00001");
}
}
//->
}
//]