xref: /freebsd/lib/libpmc/pmc_init.3 (revision a0b9e2e854027e6ff61fb075a1309dbc71c42b54)
1.\" Copyright (c) 2007 Joseph Koshy.  All rights reserved.
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24.\" $FreeBSD$
25.\"
26.Dd November 24, 2007
27.Dt PMC_INIT 3
28.Os
29.Sh NAME
30.Nm pmc_init
31.Nd initialize library
32.Sh LIBRARY
33.Lb libpmc
34.Sh SYNOPSIS
35.In pmc.h
36.Ft int
37.Fn pmc_init void
38.Sh DESCRIPTION
39Function
40.Fn pmc_init
41initializes the PMC library.
42This function must be called before any of the other functions in the
43library.
44.Sh RETURN VALUES
45.Rv -std pmc_init
46.Sh ERRORS
47A call to
48.Fn pmc_init
49may fail with the following errors:
50.Bl -tag -width Er
51.It Bq Er ENOENT
52The
53.Xr hwpmc 4
54module was not found in the kernel.
55.It Bq Er EPROGMISMATCH
56The library's version number did not match that expected by
57.Xr hwpmc 4 .
58.It Bq Er ENXIO
59PMC hardware on this system is unsupported.
60.El
61.Sh SEE ALSO
62.Xr pmc 3 ,
63.Xr hwpmc 4
64