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Diffstat (limited to 'src/libs/engine/PluginLibrary.h')
-rw-r--r-- | src/libs/engine/PluginLibrary.h | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/src/libs/engine/PluginLibrary.h b/src/libs/engine/PluginLibrary.h deleted file mode 100644 index e91775d1..00000000 --- a/src/libs/engine/PluginLibrary.h +++ /dev/null @@ -1,98 +0,0 @@ -/* This file is part of Ingen. - * Copyright (C) 2007 Dave Robillard <http://drobilla.net> - * - * Ingen is free software; you can redistribute it and/or modify it under the - * terms of the GNU General Public License as published by the Free Software - * Foundation; either version 2 of the License, or (at your option) any later - * version. - * - * Ingen is distributed in the hope that it will be useful, but WITHOUT ANY - * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS - * FOR A PARTICULAR PURPOSE. See the GNU General Public License for details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - - -#ifndef PLUGINLIBRARY_H -#define PLUGINLIBRARY_H - -#include <iostream> -#include <string> -#include <boost/utility.hpp> -#include <dlfcn.h> -using std::string; -using std::cerr; using std::endl; - - -namespace Ingen { - - -/** Representation of a shared library containing at least one Plugin. - * - * In the NodeFactory, this represents one loaded shared library instance, - * which is what handle() returns. - */ -class PluginLibrary : boost::noncopyable -{ -public: - /** Construct a new PluginLibrary. - * - * Path is assumed to be the path of a valid shared library that can be - * successfully dlopen'ed. - */ - PluginLibrary(const string& path) - : _path(path), _handle(NULL) - {} - - ~PluginLibrary() - { - close(); - } - - /** Load and resolve all symbols in this shared library - * (dlopen with RTLD_NOW). - * - * It is okay to call this many times, the library will only be opened - * once. - */ - void open() - { - if (_handle == NULL) { - dlerror(); - _handle = dlopen(_path.c_str(), RTLD_NOW); - if (_handle == NULL) - cerr << "[PluginLibrary] Warning: Error opening shared library " - << _path << "(" << dlerror() << ")" << endl; - } - } - - /** Close the dynamic library. - * - * This can be called on an already closed PluginLibrary without problems. - */ - void close() - { - if (_handle != NULL) { - dlerror(); - if (dlclose(_handle)) - cerr << "[PluginLibrary] Error closing shared library " << _path - << "(" << dlerror() << ")" << endl; - } - _handle = NULL; - } - - void* handle() const { return _handle; } - -private: - string _path; - void* _handle; -}; - - -} // namespace Ingen - -#endif // PLUGINLIBRARY_H - |