2008-02-22 17:37:34 +05:30
|
|
|
.\" Copyright 2007-2008 Roy Marples
|
2007-12-25 03:33:27 +05:30
|
|
|
.\" 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.
|
|
|
|
|
.\"
|
2008-03-17 15:29:52 +05:30
|
|
|
.Dd Mar 17, 2008
|
2007-12-25 03:33:27 +05:30
|
|
|
.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
|
2008-03-17 15:29:52 +05:30
|
|
|
.Ft "RC_PIDLIST *" Fo rc_find_pids
|
|
|
|
|
.Fa "const char *const *argv"
|
2007-12-25 03:33:27 +05:30
|
|
|
.Fa "const char *cmd"
|
|
|
|
|
.Fa "uid_t uid"
|
|
|
|
|
.Fa "pid_t pid"
|
|
|
|
|
.Fc
|
|
|
|
|
.Sh DESCRIPTION
|
|
|
|
|
.Fn rc_find_pids
|
2008-03-17 15:29:52 +05:30
|
|
|
returns RC_PIDLIST, a structure based on the LIST macro from
|
|
|
|
|
.Xr queue 3
|
|
|
|
|
which contains all the pids found matching the given criteria.
|
|
|
|
|
If
|
2007-12-25 03:33:27 +05:30
|
|
|
.Fa pid
|
|
|
|
|
is given then only that pid is returned if it is running. Otherise we check
|
|
|
|
|
all instances of
|
2008-03-17 15:29:52 +05:30
|
|
|
.Fa argv
|
2007-12-25 03:33:27 +05:30
|
|
|
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.
|
2008-03-17 15:29:52 +05:30
|
|
|
.Pp
|
|
|
|
|
Each RC_PID should be freed in the list as well as the list itself when done.
|
2007-12-25 03:33:27 +05:30
|
|
|
.Sh SEE ALSO
|
|
|
|
|
.Xr free 3 ,
|
2008-03-17 15:29:52 +05:30
|
|
|
.Xr queue 3
|
2007-12-25 03:33:27 +05:30
|
|
|
.Sh AUTHORS
|
|
|
|
|
.An "Roy Marples" Aq roy@marples.name
|
