54 lines
1.8 KiB
C
54 lines
1.8 KiB
C
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/* Return the CPU time used by the program so far. Hurd version.
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Copyright (C) 2001-2022 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <time.h>
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#include <sys/time.h>
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#include <mach.h>
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#include <mach/task_info.h>
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#include <hurd.h>
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/* Return the time used by the program so far (user time + system time). */
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clock_t
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clock (void)
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{
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struct task_basic_info bi;
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struct task_thread_times_info tti;
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mach_msg_type_number_t count;
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clock_t total;
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error_t err;
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count = TASK_BASIC_INFO_COUNT;
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err = __task_info (__mach_task_self (), TASK_BASIC_INFO,
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(task_info_t) &bi, &count);
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if (err)
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return __hurd_fail (err);
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count = TASK_THREAD_TIMES_INFO_COUNT;
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err = __task_info (__mach_task_self (), TASK_THREAD_TIMES_INFO,
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(task_info_t) &tti, &count);
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if (err)
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return __hurd_fail (err);
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total = bi.user_time.seconds * 1000000 + bi.user_time.microseconds;
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total += tti.user_time.seconds * 1000000 + tti.user_time.microseconds;
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total += bi.system_time.seconds * 1000000 + bi.system_time.microseconds;
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total += tti.system_time.seconds * 1000000 + tti.system_time.microseconds;
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return total;
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}
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