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daemonize-doublefork: Start background daemons by double-forking

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Start background daemons by double-forking.

See System.Posix.Daemon for documentation.

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Versions [RSS] 0.1.0, 0.1.1
Dependencies base (>=4 && <5), directory, unix [details]
License GPL-3.0-only
Author Alexandru Scvortov <scvalex@gmail.com>
Maintainer scvalex@gmail.com
Uploaded by AlexandruScvortov at 2011-11-27T13:38:19Z
Category Web
Home page https://github.com/scvalex/daemonize-doublefork
Source repo head: git clone git://github.com/scvalex/daemonize-doublefork.git
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Reverse Dependencies 1 direct, 0 indirect [details]
Downloads 2154 total (4 in the last 30 days)
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Readme for daemonize-doublefork-0.1.0

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daemonize-doublefork

Start background Haskell daemons by double-forking

What

This module provides startDaemon and stopDaemon to facilitate the creation of Haskell daemon programs.

The problem is as follows: the user starts a program in their terminal, but he wants the program to relinquish control of the terminal immediately, and furthermore, the program (or part of it) should keep running even after said terminal is closed. Examples of programs that behave like this are nginx and emacs --daemon.

The correct solution is to double-fork a process. This ensures that the child process is completed separated from the terminal it was started on.

See this page for a discussion on double-forking.

See the Hackage page for documentation and examples.

Install

This package is on Hackage. To install it, run:

cabal update
cabal install daemonize-doublefork