1 files changed, 33 insertions, 0 deletions
diff --git a/sysdeps/posix/clock.c b/sysdeps/posix/clock.c
new file mode 100644
index 0000000000..c34593b9eb
--- /dev/null
+++ b/sysdeps/posix/clock.c
@@ -0,0 +1,33 @@
+/* Copyright (C) 1991, 1992 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., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <ansidecl.h>
+#include <sys/times.h>
+#include <time.h>
+
+/* Return the time used by the program so far (user time + system time).  */
+clock_t
+DEFUN_VOID(clock)
+{
+  struct tms buf;
+
+  if (__times(&buf) < 0)
+    return (clock_t) -1;
+
+  return ((buf.tms_utime + buf.tms_stime) * CLK_TCK * CLOCKS_PER_SEC);
+}