B_WATCH_SYSTEM_THREAD_PROPERTIES
| B_WATCH_SYSTEM_THREAD_PROPERTIES
error = __start_watching_system(fTeamID, B_WATCH_SYSTEM_THREAD_PROPERTIES,
__stop_watching_system(fTeamID, B_WATCH_SYSTEM_THREAD_PROPERTIES,
flags = B_WATCH_SYSTEM_THREAD_PROPERTIES;
watchEvents |= B_WATCH_SYSTEM_THREAD_PROPERTIES;