Don't wait forever for a ping reply.

In the event that plymouthd is not responding the plymouth client will wait
forever when sending a ping to the daemon. Instead of waiting forever timeout
after a while.

https://gitlab.freedesktop.org/plymouth/plymouth/-/issues/130

diff --git a/src/client/plymouth.c b/src/client/plymouth.c
index be74ae7bd43f12715503071ed0f05753bb178168..11b89106f2a5ff81f3bc5bbca0925659ba4adba1 100644 (file)
--- a/src/client/plymouth.c
+++ b/src/client/plymouth.c
@@ -75,6 +75,13 @@ typedef struct
         char    *keys;
 } key_answer_state_t;
 
+ply_event_loop_timeout_handler_t timeout_handler(void *user_data)
+{
+        ply_event_loop_t *loop = user_data;
+        ply_trace ("ping: timed out waiting for plymouthd");
+        ply_event_loop_exit(loop, 1);
+}
+
 static char **
 split_string (const char *command,
               const char  delimiter)
@@ -1145,6 +1152,8 @@ main (int    argc,
                                              on_success,
                                              (ply_boot_client_response_handler_t)
                                              on_failure, &state);
+                ply_event_loop_watch_for_timeout (state.loop, 30.0,
+                                                  timeout_handler, state.loop);
         } else if (should_check_for_active_vt) {
                 ply_boot_client_ask_daemon_has_active_vt (state.client,
                                                           (ply_boot_client_response_handler_t)