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47 lines
1.5 KiB
C++
47 lines
1.5 KiB
C++
// Copyright 2011-2012 Renato Tegon Forti.
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// Copyright 2014 Renato Tegon Forti, Antony Polukhin.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt
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// or copy at http://www.boost.org/LICENSE_1_0.txt)
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// For more information, see http://www.boost.org
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// -------------------------------------------------------------------------------------
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// This example shows how to use load_self to load symbols direct on executable
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// -------------------------------------------------------------------------------------
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#include "../shared_lib_path.hpp"
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//[callplugcpp_tutorial6
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#include <boost/dll.hpp>
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#include <boost/function.hpp>
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#include <iostream>
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typedef boost::function<void()> callback_t;
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void print_unloaded() {
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std::cout << "unloaded" << std::endl;
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}
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int main(int argc, char* argv[]) {
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// argv[1] contains path to our plugin library
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BOOST_ASSERT(argc >= 2);
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boost::filesystem::path shared_library_path = shared_lib_path(argv[1], L"on_unload_lib");
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// loading library and getting a function from it
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boost::function<void(const callback_t&)> on_unload
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= boost::dll::shared_function_alias<void(const callback_t&)>(
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shared_library_path, "on_unload"
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);
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on_unload(&print_unloaded); // adding a callback
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std::cout << "Before library unload." << std::endl;
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// Releasing last reference to the library, so that it gets unloaded
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on_unload.clear();
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std::cout << "After library unload." << std::endl;
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}
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//]
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