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/* Return the CPU time used by the program so far. Hurd version.
Copyright (C) 2001-2022 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
<https://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;
}
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