package polly

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package polly
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Module Polly.EventsSource

Sourcetype t

a set of events

Sourceval empty : t

empty set

The values below define singleton sets containing exactly one event like inp (input) or hup. See epoll_ctl(2) for the events available. Sets can be combined using (land) (intersection) and (lor) (join) and compared using (=).

Sourceval inp : t

called "in" in Linux; "in" is an OCaml keyword

Sourceval pri : t
Sourceval out : t
Sourceval rdnorm : t
Sourceval rdband : t
Sourceval wrnorm : t
Sourceval wrband : t
Sourceval msg : t
Sourceval err : t
Sourceval hup : t
Sourceval rdhup : t
Sourceval wakeup : t
Sourceval oneshot : t
Sourceval et : t
Sourceval (lor) : t -> t -> t

join sets

Sourceval (land) : t -> t -> t

intersect sets

Sourceval lnot : t -> t

set complement

Sourceval test : t -> t -> bool

test x y returns true, if and only if the intersection of the two sets is not empty. The common case is test set x where set is unknown and x is a singleton to check that x is contained in set.

Sourceval to_string : t -> string

to_string t return a string representation of t for debugging