aa12cea2cc
Although groff_mdoc(7) gives another impression, this is the ordering most widely used and also required by mdocml/mandoc. Reviewed by: ru Approved by: philip, ed (mentors)
76 lines
2.4 KiB
Groff
76 lines
2.4 KiB
Groff
.\" Copyright (c) 2007 Joseph Koshy. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" This software is provided by Joseph Koshy ``as is'' and
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.\" any express or implied warranties, including, but not limited to, the
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.\" implied warranties of merchantability and fitness for a particular purpose
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.\" are disclaimed. in no event shall Joseph Koshy be liable
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.\" for any direct, indirect, incidental, special, exemplary, or consequential
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.\" damages (including, but not limited to, procurement of substitute goods
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.\" or services; loss of use, data, or profits; or business interruption)
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.\" however caused and on any theory of liability, whether in contract, strict
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.\" liability, or tort (including negligence or otherwise) arising in any way
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.\" out of the use of this software, even if advised of the possibility of
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.\" such damage.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd November 23, 2007
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.Dt PMC_EVENT_NAMES_OF_CLASS 3
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.Os
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.Sh NAME
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.Nm pmc_event_names_of_class
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.Nd return a list of event names supported by a PMC class.
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.Sh LIBRARY
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.Lb libpmc
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.Sh SYNOPSIS
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.In pmc.h
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.Ft int
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.Fo pmc_event_names_of_class
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.Fa "enum pmc_class cl"
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.Fa "const char ***eventnames"
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.Fa "int *nevents"
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.Fc
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.Sh DESCRIPTION
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Function
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.Fn pmc_event_names_of_class
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retrieves the hardware event names supported by the class of PMC hardware
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specified by argument
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.Fa cl .
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.Pp
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It returns an array of
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.Vt "const char *"
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pointers to names of events supported by the specified class of PMC
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hardware.
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The location pointed to by argument
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.Fa nevents
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is set to the number of event names returned.
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.Pp
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The returned array is allocated using
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.Xr malloc 3 .
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.Sh RETURN VALUES
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.Rv -std pmc_event_names_of_class
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.Sh ERRORS
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A call to
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.Fn pmc_event_names_of_class
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may fail with the following errors:
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.Bl -tag -width Er
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.It Bq Er EINVAL
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Argument
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.Fa cl
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was invalid.
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.It Bq Er ENOMEM
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Allocation of a memory arena to hold the result failed.
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.El
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.Sh SEE ALSO
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.Xr pmc 3 ,
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.Xr hwpmc 4
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