package shuttle

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in-package search v0.2.0

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Alternative to Async_unix.Writer, based on the low latency transport in async_rpc.

type t

val sexp_of_t : t -> Ppx_sexp_conv_lib.Sexp.t

val create : 
  ?initial_buffer_size:int ->
  ?write_timeout:Core.Time_ns.Span.t ->
  Async_unix.Fd.t ->
  t

create ?initial_buffer_size ?max_buffer_size ?write_timeout fd creates a new writer.

The writer doesn't flush automatically and the user is responsible for calling flush, which triggers a write system call if needed.

val is_closed : t -> bool

val is_open : t -> bool

val close_started : t -> unit Async_kernel.Deferred.t

val close_finished : t -> unit Async_kernel.Deferred.t

val write_bigstring : t -> ?pos:int -> ?len:int -> Core.Bigstring.t -> unit

write_bigstring copies the bigstring into the channel's internal buffer. It is safe to modify the bigstring once write_bigstring returns.

val schedule_bigstring : t -> ?pos:int -> ?len:int -> Core.Bigstring.t -> unit

alert info schedule_bigstring will be removed in a future release. Use [write_bigstring] instead.

val write_string : t -> ?pos:int -> ?len:int -> string -> unit

write_string copies the string into the channel's internal buffer. The string will surface the next time the writer schedules a write.

val write_char : t -> char -> unit

val writef : t -> ('a, unit, string, unit) Core.format4 -> 'a

val close : t -> unit Async_kernel.Deferred.t

close will close the underlying file descriptor after waiting for the writer to be flushed.

val flush : t -> unit

flush will schedule a write system call if one is needed.

val flushed : t -> unit Async_kernel.Deferred.t

flushed t f deferred that will get resolved when all prior writes have finished.

val pipe : t -> string Async_kernel.Pipe.Writer.t

val of_pipe : 
  Core.Info.t ->
  string Async_kernel.Pipe.Writer.t ->
  (t * unit Async_kernel.Deferred.t) Async_kernel.Deferred.t