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Diffstat (limited to 'src/rmd_register_callbacks.c')
| -rw-r--r-- | src/rmd_register_callbacks.c | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/src/rmd_register_callbacks.c b/src/rmd_register_callbacks.c new file mode 100644 index 0000000..33e04dd --- /dev/null +++ b/src/rmd_register_callbacks.c @@ -0,0 +1,86 @@ +/****************************************************************************** +* 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 "config.h" +#include "rmd_register_callbacks.h" + +#include "rmd_types.h" + +#include <signal.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 rmdSetPaused(int signum) { + + *pdata_pause_state_changed = TRUE; +} + +static void rmdSetRunning(int signum) { + + if (!*pdata_paused) { + + *pdata_running = FALSE; + + if (signum == SIGABRT) { + *pdata_aborted = TRUE; + } + } +} + +void rmdRegisterCallbacks(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 = rmdSetPaused; + + sigaction(SIGUSR1, &pause_act, NULL); + + // Setup end_act + sigfillset(&end_act.sa_mask); + end_act.sa_flags = SA_RESTART; + end_act.sa_handler = rmdSetRunning; + + sigaction(SIGINT, &end_act, NULL); + sigaction(SIGTERM, &end_act, NULL); + sigaction(SIGABRT, &end_act, NULL); +} |