package xapi-stdext-threads

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type t
val make : unit -> t
val wait : t -> float -> bool

Blocks the calling thread for a given period of time with the option of returning early if someone calls 'signal'. Returns true if the full time period elapsed and false if signalled. Note that multple 'signals' are coalesced; 'signals' sent before 'wait' is called are not lost.

val signal : t -> unit

Sends a signal to a waiting thread. See 'wait'