1  /* Return the CPU time used by the program so far.  Hurd version.
       2     Copyright (C) 2001-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #include <time.h>
      20  #include <sys/time.h>
      21  #include <mach.h>
      22  #include <mach/task_info.h>
      23  #include <hurd.h>
      24  
      25  /* Return the time used by the program so far (user time + system time).  */
      26  clock_t
      27  clock (void)
      28  {
      29    struct task_basic_info bi;
      30    struct task_thread_times_info tti;
      31    mach_msg_type_number_t count;
      32    clock_t total;
      33    error_t err;
      34  
      35    count = TASK_BASIC_INFO_COUNT;
      36    err = __task_info (__mach_task_self (), TASK_BASIC_INFO,
      37  		     (task_info_t) &bi, &count);
      38    if (err)
      39      return __hurd_fail (err);
      40  
      41    count = TASK_THREAD_TIMES_INFO_COUNT;
      42    err = __task_info (__mach_task_self (), TASK_THREAD_TIMES_INFO,
      43  		     (task_info_t) &tti, &count);
      44    if (err)
      45      return __hurd_fail (err);
      46  
      47    total = bi.user_time.seconds * 1000000 + bi.user_time.microseconds;
      48    total += tti.user_time.seconds * 1000000 + tti.user_time.microseconds;
      49    total += bi.system_time.seconds * 1000000 + bi.system_time.microseconds;
      50    total += tti.system_time.seconds * 1000000 + tti.system_time.microseconds;
      51  
      52    return total;
      53  }