1 files changed, 61 insertions, 0 deletions
diff --git a/lib/sh/clktck.c b/lib/sh/clktck.c
new file mode 100644
index 0000000..8b9b5b3
--- /dev/null
+++ b/lib/sh/clktck.c
@@ -0,0 +1,61 @@
+/* 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 <http://www.gnu.org/licenses/>.
+*/
+
+#include <config.h>
+
+#include <bashtypes.h>
+#if defined (HAVE_SYS_PARAM_H)
+#  include <sys/param.h>
+#endif
+
+#if defined (HAVE_UNISTD_H)
+#  include <unistd.h>
+#endif
+
+#if defined (HAVE_LIMITS_H)
+#  include <limits.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);
+}