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41 lines
1.6 KiB
C
41 lines
1.6 KiB
C
/* High precision, low overhead timing functions. Generic version.
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Copyright (C) 1998-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#ifndef _HP_TIMING_H
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#define _HP_TIMING_H 1
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/* There are no generic definitions for the times. We could write something
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using the `gettimeofday' system call where available but the overhead of
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the system call might be too high. */
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/* Provide dummy definitions. */
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#define HP_TIMING_AVAIL (0)
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#define HP_SMALL_TIMING_AVAIL (0)
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#define HP_TIMING_INLINE (0)
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typedef int hp_timing_t;
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#define HP_TIMING_NOW(var)
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#define HP_TIMING_DIFF(Diff, Start, End)
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#define HP_TIMING_ACCUM_NT(Sum, Diff)
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#define HP_TIMING_PRINT(Buf, Len, Val)
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/* Since this implementation is not available we tell the user about it. */
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#define HP_TIMING_NONAVAIL 1
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#endif /* hp-timing.h */
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