package moonpool

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Pools of threads supported by a pool of domains

Install

Dune Dependency

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Sources

moonpool-0.7.tbz
sha256=c4a1f974200530ab7f6014de3a369fdbb260ff454183640f32e51ba3fec51b15
sha512=865daabb96e3d60f88ecee9fc9030dad8b257fff4121b404e882d8a8d6687b737beb6e22366f52eb14e770dfab28b326853a1d3d883fa19bbd791d8450b40f8b

doc/moonpool.dpool/Moonpool_dpool/index.html

Module Moonpool_dpoolSource

Static pool of domains.

These domains are shared between all the pools in moonpool. The rationale is that we should not have more domains than cores, so it's easier to reserve exactly that many domain slots, and run more flexible thread pools on top (each domain being shared by potentially multiple threads from multiple pools).

The pool should not contain actual domains if it's not in use, ie if no runner is presently actively using one or more of the domain slots.

NOTE: Interface is still experimental.

  • since 0.6
Sourceval max_number_of_domains : unit -> int

Number of domains in the pool when all domains are active.

Low level interface for resouce handling

Be very cautious with this interface, or resource leaks might occur.

Sourceval run_on : int -> (unit -> unit) -> unit

run_on i f runs f() on the domain with index i. Precondition: 0 <= i < n_domains(). The thread must call decr_on with i once it's done.

Sourceval decr_on : int -> unit

Signal that a thread is stopping on the domain with index i.

Sourceval run_on_and_wait : int -> (unit -> 'a) -> 'a

run_on_and_wait i f runs f() on the domain with index i, and blocks until the result of f() is returned back.

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