"MUTEX" "MAKE-MUTEX" "GET-MUTEX" "RELEASE-MUTEX" "WITH-MUTEX"
"WAITQUEUE" "MAKE-WAITQUEUE" "CONDITION-WAIT" "CONDITION-NOTIFY"
"WITH-RECURSIVE-LOCK" "RELEASE-FOREGROUND" "CURRENT-THREAD-ID"))
"MUTEX" "MAKE-MUTEX" "GET-MUTEX" "RELEASE-MUTEX" "WITH-MUTEX"
"WAITQUEUE" "MAKE-WAITQUEUE" "CONDITION-WAIT" "CONDITION-NOTIFY"
"WITH-RECURSIVE-LOCK" "RELEASE-FOREGROUND" "CURRENT-THREAD-ID"))