mod_fifo: Note source of unexplained constant

diff --git a/src/mod/applications/mod_fifo/mod_fifo.c b/src/mod/applications/mod_fifo/mod_fifo.c
index 11d5e4a9874b42c02939cd7357e6a33050cbbdbd..3d8fecc442096ac7efa0924ea9a106934a39b29c 100644 (file)
--- a/src/mod/applications/mod_fifo/mod_fifo.c
+++ b/src/mod/applications/mod_fifo/mod_fifo.c
@@ -1186,6 +1186,7 @@ static switch_status_t messagehook (switch_core_session_t *session, switch_core_
        case SWITCH_MESSAGE_INDICATE_BRIDGE:
        case SWITCH_MESSAGE_INDICATE_UNBRIDGE:
                if (msg->numeric_arg == 42) {
+                       /* See audio_bridge_thread() for source of 42 constant. */
                        goto end;
                }
                if ((caller_session = switch_core_session_locate(msg->string_arg))) {