genode/repos/libports/src/lib/libc/plugin_registry.cc

80 lines
2.1 KiB
C++

/*
* \brief Plugin registry implementation
* \author Christian Prochaska
* \date 2010-01-21
*/
/*
* Copyright (C) 2010-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
#include <libc-plugin/plugin_registry.h>
namespace Libc {
Plugin_registry *plugin_registry()
{
static Plugin_registry _plugin_registry;
return &_plugin_registry;
}
}
using namespace Libc;
#define GET_PLUGIN_FOR(func_name, ...) \
int highest_priority_found = -1; \
Plugin *result = 0; \
for (Plugin *plugin = first(); plugin != 0; plugin = plugin->next()) { \
if (plugin->supports_##func_name(__VA_ARGS__) && \
(plugin->priority() > highest_priority_found)) { \
result = plugin; \
highest_priority_found = plugin->priority(); \
} \
} \
return result;
Plugin *Plugin_registry::get_plugin_for_access(char const *path, int amode) {
GET_PLUGIN_FOR(access, path, amode) }
Plugin *Plugin_registry::get_plugin_for_mkdir(const char *path, mode_t mode) {
GET_PLUGIN_FOR(mkdir, path, mode) }
Plugin *Plugin_registry::get_plugin_for_open(const char *pathname, int flags) {
GET_PLUGIN_FOR(open, pathname, flags) }
Plugin *Plugin_registry::get_plugin_for_pipe() {
GET_PLUGIN_FOR(pipe) }
Plugin *Plugin_registry::get_plugin_for_readlink(const char *path, char *buf, ::size_t bufsiz) {
GET_PLUGIN_FOR(readlink, path, buf, bufsiz) }
Plugin *Plugin_registry::get_plugin_for_rename(const char *oldpath, const char *newpath) {
GET_PLUGIN_FOR(rename, oldpath, newpath) }
Plugin *Plugin_registry::get_plugin_for_rmdir(const char *path) {
GET_PLUGIN_FOR(rmdir, path) }
Plugin *Plugin_registry::get_plugin_for_socket(int domain, int type, int protocol) {
GET_PLUGIN_FOR(socket, domain, type, protocol) }
Plugin *Plugin_registry::get_plugin_for_stat(const char *path, struct stat *) {
GET_PLUGIN_FOR(stat, path) }
Plugin *Plugin_registry::get_plugin_for_symlink(const char *oldpath, const char *newpath) {
GET_PLUGIN_FOR(symlink, oldpath, newpath) }
Plugin *Plugin_registry::get_plugin_for_unlink(const char *path) {
GET_PLUGIN_FOR(unlink, path) }