package tiny_httpd

  1. Overview
  2. Docs
Minimal HTTP server using threads

Install 

dune-project
 Dependency

github.com Readme Changelog Edit opam file Versions (20)

Authors

  1. C
    c-cube

Maintainers

  1. C
    c-cube

Sources

tiny_httpd-0.20.tbz
sha256=618f0ec983d8986f2408e2f68e4f030c9cc7f3be2779f18ca288d3cb9266edce
sha512=f13b04ae7a84981d29eccb865c74cf5b4ab58ebdd635fb686f51b19b8c4213f770ad568767cf47031f351ff882b0b4b18522105cb62246401a46a14bfd2d4369

doc/src/tiny_httpd.unix/sem.ml.html

Source file sem.ml

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(** semaphore, for limiting concurrency. *)

type t = { mutable n: int; max: int; mutex: Mutex.t; cond: Condition.t }

let create n =
  if n <= 0 then invalid_arg "Semaphore.create";
  { n; max = n; mutex = Mutex.create (); cond = Condition.create () }

let acquire m t =
  Mutex.lock t.mutex;
  while t.n < m do
    Condition.wait t.cond t.mutex
  done;
  assert (t.n >= m);
  t.n <- t.n - m;
  Condition.broadcast t.cond;
  Mutex.unlock t.mutex

let release m t =
  Mutex.lock t.mutex;
  t.n <- t.n + m;
  Condition.broadcast t.cond;
  Mutex.unlock t.mutex

let num_acquired t = t.max - t.n