+enum {
+ B_EVENT_USE, /* activate/export bchannel */
+ B_EVENT_EXPORTREQUEST, /* remote app requests bchannel */
+ B_EVENT_IMPORTREQUEST, /* remote app releases bchannel */
+ B_EVENT_ACTIVATED, /* DL_ESTABLISH received */
+ B_EVENT_DROP, /* deactivate/re-import bchannel */
+ B_EVENT_DEACTIVATED, /* DL_RELEASE received */
+ B_EVENT_EXPORTED, /* BCHANNEL_ASSIGN received */
+ B_EVENT_IMPORTED, /* BCHANNEL_REMOVE received */
+ B_EVENT_TIMEOUT, /* timeout for bchannel state */
+};
+