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-rw-r--r--sysdeps/mach/hurd/getclktck.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/getclktck.c b/sysdeps/mach/hurd/getclktck.c
new file mode 100644
index 0000000000..8ebe1bf9c9
--- /dev/null
+++ b/sysdeps/mach/hurd/getclktck.c
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+/* Return run-time value of CLK_TCK for Hurd.
+   Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <time.h>
+#include <unistd.h>
+
+#include <mach.h>
+#include <mach/host_info.h>
+
+#ifndef SYSTEM_CLK_TCK
+# define SYSTEM_CLK_TCK 100
+#endif
+
+/* Return frequency of times().  */
+int
+__getclktck ()
+{
+  struct host_sched_info hsi;
+  mach_msg_type_number_t count;
+  error_t err;
+
+  count = HOST_SCHED_INFO_COUNT;
+  err = __host_info (__mach_task_self (), HOST_SCHED_INFO,
+		     (host_info_t) &hsi, &count);
+  if (err)
+    return SYSTEM_CLK_TCK;
+
+  return hsi.min_quantum;
+}
+
+/* Before glibc 2.2, the Hurd actually did this differently, so we
+   need to keep a compatibility symbol.  */
+
+#include <shlib-compat.h>
+
+#if SHLIB_COMPAT (libc, GLIBC_2_1_1, GLIBC_2_2)
+compat_symbol (libc, __getclktck, __libc_clk_tck, GLIBC_2_1_1);
+#endif