Add man pages for all librc functions.

man/rc_find_pids.3

@@ -0,0 +1,66 @@
+.\" Copyright 2007 Roy Marples
+.\" All rights reserved
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.Dd Dec 24, 2007
+.Dt RC_FIND_PIDS 3 SMM
+.Os OpenRC
+.Sh NAME
+.Nm rc_find_pids
+.Nd finds the pids of processes that match the given criteria
+.Sh LIBRARY
+Run Command library (librc, -lrc)
+.Sh SYNOPSIS
+.In rc.h
+.Ft "pid_t *" Fo rc_find_pids
+.Fa "const char *exec"
+.Fa "const char *cmd"
+.Fa "uid_t uid"
+.Fa "pid_t pid"
+.Fc
+.Sh DESCRIPTION
+.Fn rc_find_pids
+returns a NULL terminated list of pids for processes matching the given
+criteria. If
+.Fa pid
+is given then only that pid is returned if it is running. Otherise we check
+all instances of
+.Fa exec
+with a process name of
+.Fa cmd
+owned by
+.Fa uid ,
+all of which are optional.
+.Pp
+The retuned list should be freed when done.
+.Sh IMPLEMENTATION NOTES
+On BSD systems we use
+.Lb libkvm
+and on Linux systems we use the
+.Pa /proc
+filesystem to find our processes.
+.Sh SEE ALSO
+.Xr free 3 ,
+.Xr malloc 3
+.Sh AUTHORS
+.An "Roy Marples" Aq roy@marples.name