From 772f20abb0a3a0979c440114bf3a1cff5b3cef03 Mon Sep 17 00:00:00 2001 From: cvpcs Date: Wed, 2 Jun 2010 11:02:31 -0500 Subject: initial import of bash 4.1 --- lib/sh/clktck.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 59 insertions(+) create mode 100644 lib/sh/clktck.c (limited to 'lib/sh/clktck.c') diff --git a/lib/sh/clktck.c b/lib/sh/clktck.c new file mode 100644 index 0000000..096ce06 --- /dev/null +++ b/lib/sh/clktck.c @@ -0,0 +1,59 @@ +/* clktck.c - get the value of CLK_TCK. */ + +/* Copyright (C) 1997 Free Software Foundation, Inc. + + This file is part of GNU Bash, the Bourne Again SHell. + + Bash is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + Bash 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with Bash. If not, see . +*/ + +#include + +#include +#include + +#if defined (HAVE_UNISTD_H) +# include +#endif + +#if defined (HAVE_LIMITS_H) +# include +#endif + +#if !defined (HAVE_SYSCONF) || !defined (_SC_CLK_TCK) +# if !defined (CLK_TCK) +# if defined (HZ) +# define CLK_TCK HZ +# else +# define CLK_TCK 60 +# endif +# endif /* !CLK_TCK */ +#endif /* !HAVE_SYSCONF && !_SC_CLK_TCK */ + +long +get_clk_tck () +{ + static long retval = 0; + + if (retval != 0) + return (retval); + +#if defined (HAVE_SYSCONF) && defined (_SC_CLK_TCK) + retval = sysconf (_SC_CLK_TCK); +#else /* !SYSCONF || !_SC_CLK_TCK */ + retval = CLK_TCK; +#endif /* !SYSCONF || !_SC_CLK_TCK */ + + return (retval); +} -- cgit v1.1