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author | David Robillard <d@drobilla.net> | 2006-06-10 01:52:02 +0000 |
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committer | David Robillard <d@drobilla.net> | 2006-06-10 01:52:02 +0000 |
commit | 98fe0e7056e6697396249531785d3899f94d79be (patch) | |
tree | 233319008d4bfb6c8bdc546bdf4a81b87ecf7f3a /src/engine/PluginLibrary.h | |
parent | 6c8eaee73b0ea66216744f49b452e22e26fe83e1 (diff) | |
download | ingen-98fe0e7056e6697396249531785d3899f94d79be.tar.gz ingen-98fe0e7056e6697396249531785d3899f94d79be.tar.bz2 ingen-98fe0e7056e6697396249531785d3899f94d79be.zip |
More juggling
git-svn-id: http://svn.drobilla.net/lad/grauph@15 a436a847-0d15-0410-975c-d299462d15a1
Diffstat (limited to 'src/engine/PluginLibrary.h')
-rw-r--r-- | src/engine/PluginLibrary.h | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/src/engine/PluginLibrary.h b/src/engine/PluginLibrary.h deleted file mode 100644 index 53279d8a..00000000 --- a/src/engine/PluginLibrary.h +++ /dev/null @@ -1,100 +0,0 @@ -/* This file is part of Om. Copyright (C) 2006 Dave Robillard. - * - * Om 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. - * - * Om 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., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - - -#ifndef PLUGINLIBRARY_H -#define PLUGINLIBRARY_H - -#include <dlfcn.h> -#include <string> -#include <iostream> -using std::string; -using std::cerr; using std::endl; - - -namespace Om { - - -/** 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 -{ -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) - : m_path(path), m_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 (m_handle == NULL) { - dlerror(); - m_handle = dlopen(m_path.c_str(), RTLD_NOW); - if (m_handle == NULL) - cerr << "[PluginLibrary] Warning: Error opening shared library " - << m_path << "(" << dlerror() << ")" << endl; - } - } - - /** Close the dynamic library. - * - * This can be called on an already closed PluginLibrary without problems. - */ - void close() - { - if (m_handle != NULL) { - dlerror(); - if (dlclose(m_handle)) - cerr << "[PluginLibrary] Error closing shared library " << m_path - << "(" << dlerror() << ")" << endl; - } - m_handle = NULL; - } - - void* handle() const { return m_handle; } - -private: - // Disallow copies (undefined) - PluginLibrary(const PluginLibrary&); - PluginLibrary& operator=(const PluginLibrary&); - - string m_path; - void* m_handle; -}; - - -} // namespace Om - -#endif // PLUGINLIBRARY_H - |