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/******************************************************************************
* recordMyDesktop *
*******************************************************************************
* *
* Copyright (C) 2006,2007,2008 John Varouhakis *
* *
* *
* 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 of the License, 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 *
* *
* *
* *
* For further information contact me at johnvarouhakis@gmail.com *
******************************************************************************/
#include <signal.h>
#include "rmdtypes.h"
#include "register_callbacks.h"
// There seem to be no way of passing user data to the signal handler,
// so hack around not being able to pass ProgData to them
static int *pdata_running = NULL;
static int *pdata_paused = NULL;
static int *pdata_aborted = NULL;
static int *pdata_pause_state_changed = NULL;
static void SetPaused(int signum) {
*pdata_pause_state_changed = TRUE;
}
static void SetRunning(int signum) {
if (!*pdata_paused) {
*pdata_running = FALSE;
if (signum == SIGABRT) {
*pdata_aborted = TRUE;
}
}
}
void RegisterCallbacks(ProgData *pdata) {
struct sigaction pause_act;
struct sigaction end_act;
// Is there some way to pass pdata to the signal handlers?
pdata_running = &pdata->running;
pdata_paused = &pdata->paused;
pdata_aborted = &pdata->aborted;
pdata_pause_state_changed = &pdata->pause_state_changed;
// Setup pause_act
sigfillset(&pause_act.sa_mask);
pause_act.sa_flags = SA_RESTART;
pause_act.sa_handler = SetPaused;
sigaction(SIGUSR1, &pause_act, NULL);
// Setup end_act
sigfillset(&end_act.sa_mask);
end_act.sa_flags = SA_RESTART;
end_act.sa_handler = SetRunning;
sigaction(SIGINT, &end_act, NULL);
sigaction(SIGTERM, &end_act, NULL);
sigaction(SIGABRT, &end_act, NULL);
}
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