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freebsd/lib/libutil/cpuset.3
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.\" Copyright (c) 2017 Baptiste Daroussin <bapt@FreeBSD.org>
.\" All rights reserved.
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.Dd October 31, 2017
.Dt CPUSET 3
.Os
.Sh NAME
.Nm cpuset_parselist
.Nd utility functions for
.Xr cpuset 2
handling
.Sh LIBRARY
.Lb libutil
.Sh SYNOPSIS
.In sys/cpuset.h
.In libutil.h
.Ft int
.Fn cpuset_parselist "const char *cpu-list" "cpuset_t *mask"
.Sh DESCRIPTION
The
.Fn cpuset_parselist
function parses a
.Va cpu-list
filling the
.Va mask .
.Pp
The
.Va cpu-list
may include numbers separated by '-' for ranges and commas separating individual
numbers.
A special list of
.Dq all
may be specified in which case the list includes all CPUs from the root set.
.Sh RETURN VALUES
Return values can be the following
.Bl -tag -width Er
.It Dv CPUSET_PARSE_OK
The parsing was successful
.It Dv CPUSET_PARSE_ERROR
The
.Va cpu-list
format is invalid
.It Dv CPUSET_PARSE_GETAFFINITY
The
.Xr cpuset_getaffinity 2
call has failed
.It Dv CPUSET_PARSE_INVALID_CPU
The number of supported CPUs has been exceeded.
The maximum number being
.Va CPU_SETSIZE .
.El
.Sh SEE ALSO
.Xr cpuset 1 ,
.Xr cpuset 2 ,
.Xr cpuset 9
.Sh AUTHORS
.An Jeffrey Roberson Aq Mt jeff@FreeBSD.org