@@@ much mess, mostly manpages

[mLib] / sys / daemonize.3

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-.\" -*-nroff-*-
-.TH daemonize 3 "6 January 2007" "Straylight/Edgeware" "mLib utilities library"
-.SH NAME
-daemonize \- become a background process
-.\" @detachtty
-.\" @daemonize
-.SH SYNOPSIS
-.nf
-.B "#include <mLib/daemonize.h>"
-.PP
-.B "void detachtty(void);"
-.B "int daemonize(void);"
-.fi
-.SH DESCRIPTION
-The
-.B daemonize
-function causes the current process to become a background process.  It
-detaches from its controlling terminal and arranges never to acquire
-another controlling terminal.  If it fails for some reason (probably
-because
-.BR fork (2)
-failed),
-.B daemonize
-returns \-1 and sets
-.BR errno ;
-on success, it returns 0.
-.PP
-The
-.B detachtty
-does half of the job of
-.BR daemonize :
-it detaches from its controlling terminal, and calls
-.BR setsid (2)
-and
-.BR fork (2)
-so that it can't acquire a new controlling terminal in future.  Errors
-are ignored.
-.SH SEE ALSO
-.BR mLib (3).
-.SH AUTHOR
-Mark Wooding, <mdw@distorted.org.uk>