/
control_c.cpp
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/
control_c.cpp
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/* Copyright (C) 2005-2015 Massachusetts Institute of Technology
%
% This program 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, or (at your option)
% any later version.
%
% This program 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 this program; if not, write to the Free Software Foundation,
% Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include "meep.hpp"
using namespace std;
namespace meep {
int interrupt = 0;
static int kill_time = 2;
static void handle_control_c(int i) {
(void) i; // unused: should equal SIGINT
interrupt++;
if (interrupt >= kill_time) {
abort("interrupted");
} else if (interrupt + 1 == kill_time) {
printf("Be patient... hit ctrl-C one more time to kill me.\n");
} else {
printf("Be patient... hit ctrl-C %d more times to kill me.\n", kill_time - interrupt);
}
}
void deal_with_ctrl_c(int stop_now) {
kill_time = stop_now;
if (signal(SIGINT, handle_control_c) == SIG_IGN)
signal(SIGINT, SIG_IGN); // ignore if parent process was ignoring
}
} // namespace meep