81 lines
2.5 KiB
C
81 lines
2.5 KiB
C
/* getrusage -- Get resource usage information about processes. Hurd version.
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Copyright (C) 1999 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 Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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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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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <errno.h>
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#include <string.h>
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#include <sys/resource.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 resource usage information on process indicated by WHO
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and put it in *USAGE. Returns 0 for success, -1 for failure. */
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int
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__getrusage (who, usage)
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enum __rusage_who who;
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struct rusage *usage;
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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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error_t err;
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switch (who)
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{
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case RUSAGE_SELF:
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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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time_value_add (&bi.user_time, &tti.user_time);
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time_value_add (&bi.system_time, &tti.system_time);
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memset (usage, 0, sizeof (struct rusage));
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usage->ru_utime.tv_sec = bi.user_time.seconds;
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usage->ru_utime.tv_usec = bi.user_time.microseconds;
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usage->ru_stime.tv_sec = bi.system_time.seconds;
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usage->ru_stime.tv_usec = bi.system_time.microseconds;
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break;
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case RUSAGE_CHILDREN:
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/* XXX Not implemented yet. However, zero out USAGE to be
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consistent with the wait3 and wait4 functions. */
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memset (usage, 0, sizeof (struct rusage));
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break;
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default:
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return EINVAL;
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}
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return 0;
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}
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weak_alias (__getrusage, getrusage)
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