xref: /freebsd/lib/libpmc/pmc_init.3 (revision 069ac184)
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24.Dd November 24, 2007
25.Dt PMC_INIT 3
26.Os
27.Sh NAME
28.Nm pmc_init
29.Nd initialize library
30.Sh LIBRARY
31.Lb libpmc
32.Sh SYNOPSIS
33.In pmc.h
34.Ft int
35.Fn pmc_init void
36.Sh DESCRIPTION
37Function
38.Fn pmc_init
39initializes the PMC library.
40This function must be called before any of the other functions in the
41library.
42.Sh RETURN VALUES
43.Rv -std pmc_init
44.Sh ERRORS
45A call to
46.Fn pmc_init
47may fail with the following errors:
48.Bl -tag -width Er
49.It Bq Er ENOENT
50The
51.Xr hwpmc 4
52module was not found in the kernel.
53.It Bq Er EPROGMISMATCH
54The library's version number did not match that expected by
55.Xr hwpmc 4 .
56.It Bq Er ENXIO
57PMC hardware on this system is unsupported.
58.El
59.Sh SEE ALSO
60.Xr pmc 3 ,
61.Xr hwpmc 4
62