static gboolean
signal_handler (gpointer user_data)
{
int signo = GPOINTER_TO_INT (user_data);
switch (signo) {
case SIGINT:
if (nmc_get_in_readline ()) {
nmcli_sigint = TRUE;
} else {
g_print (_("Error: nmcli terminated by signal %s (%d)\n"),
strsignal (signo),
signo);
g_main_loop_quit (loop);
}
break;
case SIGTERM:
g_print (_("Error: nmcli terminated by signal %s (%d)\n"),
strsignal (signo), signo);
nmc_exit ();
break;
}
return G_SOURCE_CONTINUE;
}
/*
* Thread function waiting for signals and processing them.
* Wait for signals in signal set. The semantics of sigwait() require that all
* threads (including the thread calling sigwait()) have the signal masked, for
* reliable operation. Otherwise, a signal that arrives while this thread is
* not blocked in sigwait() might be delivered to another thread.
*/
void *
signal_handling_thread (void *arg) {
int signo;
while (1) {
sigwait (&signal_set, &signo);
switch (signo) {
case SIGINT:
if (nmc_get_in_readline ()) {
/* Don't quit when in readline, only signal we received SIGINT */
pthread_mutex_lock (&sigint_mutex);
nmcli_sigint = TRUE;
pthread_mutex_unlock (&sigint_mutex);
} else {
/* We can quit nmcli */
tcsetattr (STDIN_FILENO, TCSADRAIN, &termios_orig);
nmc_cleanup_readline ();
g_print (_("\nError: nmcli terminated by signal %s (%d)\n"),
strsignal (signo), signo);
exit (1);
}
break;
case SIGQUIT:
case SIGTERM:
tcsetattr (STDIN_FILENO, TCSADRAIN, &termios_orig);
nmc_cleanup_readline ();
if (!nmcli_sigquit_internal)
g_print (_("\nError: nmcli terminated by signal %s (%d)\n"),
strsignal (signo), signo);
exit (1);
break;
default:
break;
}
}
return NULL;
}
