genode/os/src/test/dynamic_config/main.cc

50 lines
956 B
C++

/*
* \brief Test for changing configuration at runtime
* \author Norman Feske
* \date 2012-04-04
*/
/*
* Copyright (C) 2012-2013 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
/* Genode includes */
#include <os/config.h>
void parse_config()
{
try {
long counter = 1;
Genode::config()->xml_node().sub_node("counter").value(&counter);
Genode::printf("obtained counter value %ld from config\n", counter);
} catch (...) {
PERR("Error while parsing the configuration");
}
}
int main(int, char **)
{
parse_config();
/* register signal handler for config changes */
Genode::Signal_receiver sig_rec;
Genode::Signal_context sig_ctx;
Genode::config()->sigh(sig_rec.manage(&sig_ctx));
for (;;) {
/* wait for config change */
sig_rec.wait_for_signal();
Genode::config()->reload();
parse_config();
}
return 0;
}