Fix: tools: Close the channel created with g_io_channel_unix_new.

Author: clumens

tools/crm_mon.c

@@ -63,6 +63,7 @@ static unsigned int show;
 static mon_output_format_t output_format = mon_output_unset;
 
 /* other globals */
+static GIOChannel *io_channel = NULL;
 static GMainLoop *mainloop = NULL;
 static guint timer_id = 0;
 static mainloop_timer_t *refresh_timer = NULL;
@@ -1377,14 +1378,20 @@ main(int argc, char **argv)
         if (ncurses_winch_handler == SIG_DFL ||
             ncurses_winch_handler == SIG_IGN || ncurses_winch_handler == SIG_ERR)
             ncurses_winch_handler = NULL;
-        g_io_add_watch(g_io_channel_unix_new(STDIN_FILENO), G_IO_IN, detect_user_input, NULL);
+
+        io_channel = g_io_channel_unix_new(STDIN_FILENO);
+        g_io_add_watch(io_channel, G_IO_IN, detect_user_input, NULL);
     }
 #endif
     refresh_trigger = mainloop_add_trigger(G_PRIORITY_LOW, mon_refresh_display, NULL);
 
     g_main_loop_run(mainloop);
     g_main_loop_unref(mainloop);
 
+    if (io_channel != NULL) {
+        g_io_channel_shutdown(io_channel, TRUE, NULL);
+    }
+
     crm_info("Exiting %s", crm_system_name);
 
     return clean_up(CRM_EX_OK);