| lh | 9ed821d | 2023-04-07 01:36:19 -0700 | [diff] [blame] | 1 | /* High precision, low overhead timing functions. Generic version. |
| 2 | Copyright (C) 1998-2015 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998. |
| 5 | |
| 6 | The GNU C Library is free software; you can redistribute it and/or |
| 7 | modify it under the terms of the GNU Lesser General Public |
| 8 | License as published by the Free Software Foundation; either |
| 9 | version 2.1 of the License, or (at your option) any later version. |
| 10 | |
| 11 | The GNU C Library is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | Lesser General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU Lesser General Public |
| 17 | License along with the GNU C Library; if not, see |
| 18 | <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | #ifndef _HP_TIMING_H |
| 21 | #define _HP_TIMING_H 1 |
| 22 | |
| 23 | /* There are no generic definitions for the times. We could write something |
| 24 | using the `gettimeofday' system call where available but the overhead of |
| 25 | the system call might be too high. */ |
| 26 | |
| 27 | /* Provide dummy definitions. */ |
| 28 | #define HP_TIMING_AVAIL (0) |
| 29 | #define HP_SMALL_TIMING_AVAIL (0) |
| 30 | #define HP_TIMING_INLINE (0) |
| 31 | typedef int hp_timing_t; |
| 32 | #define HP_TIMING_NOW(var) |
| 33 | #define HP_TIMING_DIFF(Diff, Start, End) |
| 34 | #define HP_TIMING_ACCUM_NT(Sum, Diff) |
| 35 | #define HP_TIMING_PRINT(Buf, Len, Val) |
| 36 | |
| 37 | /* Since this implementation is not available we tell the user about it. */ |
| 38 | #define HP_TIMING_NONAVAIL 1 |
| 39 | |
| 40 | #endif /* hp-timing.h */ |