Imported from ../bash-2.02.tar.gz.

lib/sh/clktck.c

@@ -0,0 +1,55 @@
+/* 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 2, 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; see the file COPYING.  If not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA */
+
+#include <config.h>
+
+#include <bashtypes.h>
+#include <sys/param.h>
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>
+#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);
+}