initial import

1 files changed, 68 insertions, 0 deletions

diff --git a/sysdeps/unix/bsd/times.c b/sysdeps/unix/bsd/times.c
new file mode 100644
index 0000000..edf3e90
--- /dev/null
+++ b/sysdeps/unix/bsd/times.c
@@ -0,0 +1,68 @@
+/* Copyright (C) 1991, 1992, 1993, 1995 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 <errno.h>
+#include <stddef.h>
+#include <sys/times.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+
+
+/* Time the program started.  */
+extern time_t _posix_start_time;
+
+#ifdef	__GNUC__
+__inline
+#endif
+static clock_t
+DEFUN(timeval_to_clock_t, (tv), CONST struct timeval *tv)
+{
+  return (clock_t) ((tv->tv_sec * CLK_TCK) +
+		    (tv->tv_usec * CLK_TCK / 1000000L));
+}
+
+/* Store the CPU time used by this process and all its
+   dead children (and their dead children) in BUFFER.
+   Return the elapsed real time, or (clock_t) -1 for errors.
+   All times are in CLK_TCKths of a second.  */
+clock_t
+DEFUN(__times, (buffer), struct tms *buffer)
+{
+  struct rusage usage;
+
+  if (buffer == NULL)
+    {
+      errno = EINVAL;
+      return (clock_t) -1;
+    }
+
+  if (__getrusage(RUSAGE_SELF, &usage) < 0)
+    return (clock_t) -1;
+  buffer->tms_utime = (clock_t) timeval_to_clock_t(&usage.ru_utime);
+  buffer->tms_stime = (clock_t) timeval_to_clock_t(&usage.ru_stime);
+
+  if (__getrusage(RUSAGE_CHILDREN, &usage) < 0)
+    return (clock_t) -1;
+  buffer->tms_cutime = (clock_t) timeval_to_clock_t(&usage.ru_utime);
+  buffer->tms_cstime = (clock_t) timeval_to_clock_t(&usage.ru_stime);
+
+  return (time((time_t *) NULL) - _posix_start_time) * CLK_TCK;
+}
+
+weak_alias (__times, times)