notification-thread: add `GET_TRIGGER` command

[lttng-tools.git] / src / bin / lttng-sessiond / notification-thread-commands.c

diff --git a/src/bin/lttng-sessiond/notification-thread-commands.c b/src/bin/lttng-sessiond/notification-thread-commands.c
index b1b33343ba5da6ec663a981d944e70f9256861c6..7f031e7427688e903df292ff0a7da7a1176dc023 100644 (file)
--- a/src/bin/lttng-sessiond/notification-thread-commands.c
+++ b/src/bin/lttng-sessiond/notification-thread-commands.c
@@ -382,6 +382,32 @@ int notification_thread_client_communication_update(
        return run_command_no_wait(handle, &cmd);
 }
 
+enum lttng_error_code notification_thread_command_get_trigger(
+               struct notification_thread_handle *handle,
+               const struct lttng_trigger *trigger,
+               struct lttng_trigger **real_trigger)
+{
+       int ret;
+       enum lttng_error_code ret_code;
+       struct notification_thread_command cmd = {};
+
+       init_notification_thread_command(&cmd);
+
+       cmd.type = NOTIFICATION_COMMAND_TYPE_GET_TRIGGER;
+       cmd.parameters.get_trigger.trigger = trigger;
+       ret = run_command_wait(handle, &cmd);
+       if (ret) {
+               ret_code = LTTNG_ERR_UNK;
+               goto end;
+       }
+
+       ret_code = cmd.reply_code;
+       *real_trigger = cmd.reply.get_trigger.trigger;
+
+end:
+       return ret_code;
+}
+
 /*
  * Takes ownership of the payload if present.
  */