package tiny_httpd

  1. Overview
  2. Docs
Minimal HTTP server using threads

Install 

dune-project
 Dependency

github.com Edit opam file Versions (21)

Authors

  1. C
    c-cube

Maintainers

  1. C
    c-cube

Sources

tiny_httpd-0.21.tbz
sha256=d38cc3962761e85f552171182a540746cbee6840bb9985efc260982e351d54f4
sha512=c658430db112079d3198db16b0b9e34015bc6407ed2cc539c695e9d9b3274b13fb87c6f884ff919d707317ed7b13effd14bb7188bb44ec01170a6f099b244ffa

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