/* Return the CPU time used by the program so far.  Hurd version.

   Copyright (C) 2001-2018 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 Lesser General Public

   License as published by the Free Software Foundation; either

   version 2.1 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

   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public

   License along with the GNU C Library; if not, see

   <http://www.gnu.org/licenses/>.  */

#include <time.h>

#include <sys/time.h>

#include <mach.h>

#include <mach/task_info.h>

#include <hurd.h>

/* Return the time used by the program so far (user time + system time).  */

clock_t

clock (void)

{

  struct task_basic_info bi;

  struct task_thread_times_info tti;

  mach_msg_type_number_t count;

  clock_t total;

  error_t err;

  count = TASK_BASIC_INFO_COUNT;

  err = __task_info (__mach_task_self (), TASK_BASIC_INFO,

		     (task_info_t) &bi, &count);

  if (err)

    return __hurd_fail (err);

  count = TASK_THREAD_TIMES_INFO_COUNT;

  err = __task_info (__mach_task_self (), TASK_THREAD_TIMES_INFO,

		     (task_info_t) &tti, &count);

  if (err)

    return __hurd_fail (err);

  total = bi.user_time.seconds * 1000000 + bi.user_time.microseconds;

  total += tti.user_time.seconds * 1000000 + tti.user_time.microseconds;

  total += bi.system_time.seconds * 1000000 + bi.system_time.microseconds;

  total += tti.system_time.seconds * 1000000 + tti.system_time.microseconds;

  return total;

}