android/hal: Use notification socket for daemon lifetime tracking

If daemon exited unexpectedly HAL should be stop. With cleanup
procedure command socket is closed as first so use that to distinguish
correct action.

diff --git a/android/hal-ipc.c b/android/hal-ipc.c
index 16f2bd3..f753f10 100644 (file)
--- a/android/hal-ipc.c
+++ b/android/hal-ipc.c
@@ -88,8 +88,13 @@ static void *notification_handler(void *data)
                }
 
                /* socket was shutdown */
-               if (ret == 0)
-                       break;
+               if (ret == 0) {
+                       if (cmd_sk == -1)
+                               break;
+
+                       error("Notification socket closed, aborting");
+                       exit(EXIT_FAILURE);
+               }
 
                if (ret < (ssize_t) sizeof(*hal_msg)) {
                        error("Too small notification (%zd bytes), aborting",