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Kill left-over i3-nagbar processes on 'exit'

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This commit is contained in:
Michael Stapelberg
2011-09-11 21:49:35 +01:00
parent 9b671bda83
commit d03dffe012
2 changed files with 30 additions and 0 deletions
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18
src/cfgparse.y
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@ -240,6 +240,18 @@ static void nagbar_exited(EV_P_ ev_child *watcher, int revents) {
configerror_pid = -1;
}
/*
* Cleanup handler. Will be called when i3 exits. Kills i3-nagbar with signal
* SIGKILL (9) to make sure there are no left-over i3-nagbar processes.
*
*/
static void nagbar_cleanup(EV_P_ ev_cleanup *watcher, int revent) {
if (configerror_pid != -1) {
LOG("Sending SIGKILL (9) to i3-nagbar with PID %d\n", configerror_pid);
kill(configerror_pid, SIGKILL);
}
}
/*
* Starts an i3-nagbar process which alerts the user that his configuration
* file contains one or more errors. Also offers two buttons: One to launch an
@ -283,6 +295,12 @@ static void start_configerror_nagbar(const char *config_path) {
ev_child *child = smalloc(sizeof(ev_child));
ev_child_init(child, &nagbar_exited, configerror_pid, 0);
ev_child_start(main_loop, child);
/* install a cleanup watcher (will be called when i3 exits and i3-nagbar is
* still running) */
ev_cleanup *cleanup = smalloc(sizeof(ev_cleanup));
ev_cleanup_init(cleanup, nagbar_cleanup);
ev_cleanup_start(main_loop, cleanup);
}
/*