module type Scheduler = sig .. end
type 'a cont
The type of continuation.
val suspend : ('a cont -> 'a option) -> 'a
suspend f applies f to the current continuation. If f returns
Some v, then the function returns v immediately. Otherwise, if f
returns None, then the current fiber is suspended and the control
switches to the next fiber from the scheduler.
val resume : 'a cont -> 'a -> unit
resume k v prepares to resume the continuation k with value v and
enqueues the continuation to the scheduler queue.
val get_tid : unit -> int
Return the current thread id.