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README.markdown

Oclock: Precise POSIX clock for OCaml

Mickaël Delahaye

This module give access to the clock_gettime (2) family of functions to Ocaml programs.

Requirements

Just the usual suspects: GNU Make, GCC, OCaml, and optionally Findlib (i.e., ocamlfind).

Installation

$ make

Build the library

# make install

Install the library in the standard ocaml directory

Usage

Manually: ocamlc -I +oclock oclock.cma ... ocamlopt -I +oclock oclock.cmxa ...

Or with ocamlfind: ocamlfind ocamlc -package oclock ... ocamlfind ocamlopt -package oclock ...

Documentation

To build the API documentation in HTML, use: $ make doc Then, open doc/index.html with your favorite browser.

Two examples are also provided in the examples directory:

  • getcputime gets the CPU-time consumed by a process given by its PID.
  • realtime gets the real time since the Epoch, and evaluates the clock precision inside Ocaml.

License

Copyright (c) 2011, Mickaël Delahaye mickael.delahaye@gmail.com

Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies.

THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

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