|File: [cvs.NetBSD.org] / src / lib / libutil / pidfile.3 (download)
Revision 1.1, Sun Jun 6 01:50:00 1999 UTC (20 years, 10 months ago) by thorpej
CVS Tags: wrstuden-devbsize-base, wrstuden-devbsize-19991221, wrstuden-devbsize, netbsd-1-5-base, netbsd-1-5-RELEASE, netbsd-1-5-PATCH003, netbsd-1-5-PATCH002, netbsd-1-5-PATCH001, netbsd-1-5-BETA2, netbsd-1-5-BETA, netbsd-1-5-ALPHA2, netbsd-1-5, minoura-xpg4dl-base, minoura-xpg4dl, comdex-fall-1999-base, comdex-fall-1999
Add pidfile(3), which write a pid file in /var/run, and arranges for it
to be removed on normal exit.
.\" $NetBSD: pidfile.3,v 1.1 1999/06/06 01:50:00 thorpej Exp $
.\" Copyright (c) 1999 The NetBSD Foundation, Inc.
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.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Jason R. Thorpe.
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.Dd June 5, 1999
.Dt PIDFILE 3
.Nd write a daemon pid file
.Fd #include <util.h>
.Fn pidfile "const char *basename"
writes a file containing the process ID of the program to the
directory. The file name has the form
.Pa /var/run/basename.pid .
argument is NULL,
will determine the program name and use that instead.
The pid file can be used as a quick reference if
the process needs to be sent a signal. When the program exists,
the pid file will be removed automatically, unless the program
receives a fatal signal.
Note that only the first invocation of
causes a pid file to be written; subsequent invocations have no effect.
.Sh SEE ALSO
.Xr atexit 3
function call appeared in
.Nx 1.5 .