fflush(stderr);
shm_unlink(shmlogname);
}
+ ipc_shutdown(SHUTDOWN_REASON_EXIT);
+ unlink(config.ipc_socket_path);
}
/*
- * (One-shot) Handler for all signals with default action "Term", see signal(7)
+ * (One-shot) Handler for all signals with default action "Core", see signal(7)
*
* Unlinks the SHM log and re-raises the signal.
*
*/
-static void handle_signal(int sig, siginfo_t *info, void *data) {
+static void handle_core_signal(int sig, siginfo_t *info, void *data) {
if (*shmlogname != '\0') {
shm_unlink(shmlogname);
}
raise(sig);
}
+/*
+ * (One-shot) Handler for all signals with default action "Term", see signal(7)
+ *
+ * Exits the program gracefully.
+ *
+ */
+static void handle_term_signal(struct ev_loop *loop, ev_signal *signal, int revents) {
+ /* We exit gracefully here in the sense that cleanup handlers
+ * installed via atexit are invoked. */
+ exit(128 + signal->signum);
+}
+
+/*
+ * Set up handlers for all signals with default action "Term", see signal(7)
+ *
+ */
+static void setup_term_handlers(void) {
+ static struct ev_signal signal_watchers[6];
+ size_t num_watchers = sizeof(signal_watchers) / sizeof(signal_watchers[0]);
+
+ /* We have to rely on libev functionality here and should not use
+ * sigaction handlers because we need to invoke the exit handlers
+ * and cannot do so from an asynchronous signal handling context as
+ * not all code triggered during exit is signal safe (and exiting
+ * the main loop from said handler is not easily possible). libev's
+ * signal handlers does not impose such a constraint on us. */
+ ev_signal_init(&signal_watchers[0], handle_term_signal, SIGHUP);
+ ev_signal_init(&signal_watchers[1], handle_term_signal, SIGINT);
+ ev_signal_init(&signal_watchers[2], handle_term_signal, SIGALRM);
+ ev_signal_init(&signal_watchers[3], handle_term_signal, SIGTERM);
+ ev_signal_init(&signal_watchers[4], handle_term_signal, SIGUSR1);
+ ev_signal_init(&signal_watchers[5], handle_term_signal, SIGUSR1);
+ for (size_t i = 0; i < num_watchers; i++) {
+ ev_signal_start(main_loop, &signal_watchers[i]);
+ /* The signal handlers should not block ev_run from returning
+ * and so none of the signal handlers should hold a reference to
+ * the main loop. */
+ ev_unref(main_loop);
+ }
+}
+
int main(int argc, char *argv[]) {
/* Keep a symbol pointing to the I3_VERSION string constant so that we have
* it in gdb backtraces. */
output = get_first_output();
}
- con_focus(con_descend_focused(output_get_content(output->con)));
+ con_activate(con_descend_focused(output_get_content(output->con)));
free(pointerreply);
}
err(EXIT_FAILURE, "pledge");
#endif
- struct sigaction action;
-
- action.sa_sigaction = handle_signal;
- action.sa_flags = SA_NODEFER | SA_RESETHAND | SA_SIGINFO;
- sigemptyset(&action.sa_mask);
-
if (!disable_signalhandler)
setup_signal_handler();
else {
+ struct sigaction action;
+
+ action.sa_sigaction = handle_core_signal;
+ action.sa_flags = SA_NODEFER | SA_RESETHAND | SA_SIGINFO;
+ sigemptyset(&action.sa_mask);
+
/* Catch all signals with default action "Core", see signal(7) */
if (sigaction(SIGQUIT, &action, NULL) == -1 ||
sigaction(SIGILL, &action, NULL) == -1 ||
ELOG("Could not setup signal handler.\n");
}
- /* Catch all signals with default action "Term", see signal(7) */
- if (sigaction(SIGHUP, &action, NULL) == -1 ||
- sigaction(SIGINT, &action, NULL) == -1 ||
- sigaction(SIGALRM, &action, NULL) == -1 ||
- sigaction(SIGUSR1, &action, NULL) == -1 ||
- sigaction(SIGUSR2, &action, NULL) == -1)
- ELOG("Could not setup signal handler.\n");
-
+ setup_term_handlers();
/* Ignore SIGPIPE to survive errors when an IPC client disconnects
* while we are sending them a message */
signal(SIGPIPE, SIG_IGN);
Barconfig *barconfig;
TAILQ_FOREACH(barconfig, &barconfigs, configs) {
char *command = NULL;
- sasprintf(&command, "%s --bar_id=%s --socket=\"%s\"",
+ sasprintf(&command, "%s %s --bar_id=%s --socket=\"%s\"",
barconfig->i3bar_command ? barconfig->i3bar_command : "i3bar",
+ barconfig->verbose ? "-V" : "",
barconfig->id, current_socketpath);
LOG("Starting bar process: %s\n", command);
start_application(command, true);
free(command);
}
- /* Make sure to destroy the event loop to invoke the cleeanup callbacks
+ /* Make sure to destroy the event loop to invoke the cleanup callbacks
* when calling exit() */
atexit(i3_exit);