.\" Copyright 2007-2008 Roy Marples
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.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