63 lines
1.2 KiB
C++
63 lines
1.2 KiB
C++
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/*
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* \brief Test for changing configuration at runtime
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* \author Norman Feske
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* \date 2012-04-04
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*/
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/*
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* Copyright (C) 2012 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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/* Genode includes */
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#include <os/config.h>
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void parse_config()
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{
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try {
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long counter = 1;
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Genode::config()->xml_node().sub_node("counter").value(&counter);
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Genode::printf("obtained counter value %ld from config\n", counter);
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} catch (...) {
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PERR("Error while parsing the configuration");
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}
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}
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int main(int, char **)
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{
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parse_config();
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struct Signal_dispatcher : public Genode::Signal_context
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{
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void dispatch()
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{
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try {
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Genode::config()->reload();
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parse_config();
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} catch (Genode::Config::Invalid) {
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PERR("Error: reloading config failed");
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}
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}
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} signal_dispatcher;
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static Genode::Signal_receiver sig_rec;
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/* register signal handler for config changes */
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Genode::config()->sigh(sig_rec.manage(&signal_dispatcher));
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for (;;) {
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/* wait for config change */
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Genode::Signal signal = sig_rec.wait_for_signal();
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for (int i = 0; i < signal.num(); i++)
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static_cast<Signal_dispatcher *>(signal.context())->dispatch();
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}
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return 0;
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}
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