caml_condition_broadcast
caml_condition_new
caml_condition_signal
caml_condition_wait
caml_mutex_lock
caml_mutex_new
caml_mutex_try_lock
caml_mutex_unlock
caml_thread_id
caml_thread_initialize
caml_thread_join
caml_thread_new
caml_thread_self
caml_thread_yield
caml_wait_signal