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dft_tools/triqs/utility/signal_handler.cpp

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/*******************************************************************************
*
* TRIQS: a Toolbox for Research in Interacting Quantum Systems
*
* Copyright (C) 2011 by M. Ferrero, O. Parcollet
*
* TRIQS 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 3 of the License, or (at your option) any later
* version.
*
* TRIQS 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 more
* details.
*
* You should have received a copy of the GNU General Public License along with
* TRIQS. If not, see <http://www.gnu.org/licenses/>.
*
******************************************************************************/
#include "signal_handler.hpp"
//#include <time.h>
#include <signal.h>
#include <string.h>
//#include <stdlib.h>
//#include <unistd.h>
// volatile sig_atomic_t signal_handler::keep_going;
namespace triqs {
/*
namespace signal_details {
// The signal handler just clears the flag and re-enables itself.
// to replace with settimer if needed
void catch_alarm (int sig)
{
MySignalHandler::keep_going = 0;
signal (sig, Catch_alarm);
}
}
*/
std::vector<int> signal_handler::signals_list;
signal_handler::signal_handler() {
static bool initialized;
if (initialized) return;
//keep_going = 1; /* Establish a handler for SIGALRM signals. */
static struct sigaction action;
memset(&action, 0, sizeof(action));
action.sa_handler = &signal_handler::slot;
sigaction(SIGINT, &action, NULL);
sigaction(SIGTERM, &action, NULL);
sigaction(SIGXCPU, &action, NULL);
sigaction(SIGQUIT, &action, NULL);
sigaction(SIGUSR1, &action, NULL);
sigaction(SIGUSR2, &action, NULL);
sigaction(SIGSTOP, &action, NULL);
//signal (SIGALRM, _MYSIGNAL::Catch_alarm);
//alarm (0);
initialized = true;
}
void signal_handler::slot(int signal) {
std::cerr << "Received signal " << signal << std::endl;
signals_list.push_back(signal);
}
}