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