mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-26 06:50:07 +00:00
688903eb3e
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
92 lines
3.0 KiB
C
92 lines
3.0 KiB
C
/* getrusage -- Get resource usage information about processes. Hurd version.
|
|
Copyright (C) 1999-2018 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 <errno.h>
|
|
#include <string.h>
|
|
#include <sys/resource.h>
|
|
#include <mach.h>
|
|
#include <mach/task_info.h>
|
|
#include <hurd.h>
|
|
|
|
/* Return resource usage information on process indicated by WHO
|
|
and put it in *USAGE. Returns 0 for success, -1 for failure. */
|
|
int
|
|
__getrusage (enum __rusage_who who, struct rusage *usage)
|
|
{
|
|
struct task_basic_info bi;
|
|
struct task_events_info ei;
|
|
struct task_thread_times_info tti;
|
|
mach_msg_type_number_t count;
|
|
error_t err;
|
|
|
|
switch (who)
|
|
{
|
|
case RUSAGE_SELF:
|
|
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_EVENTS_INFO_COUNT;
|
|
err = __task_info (__mach_task_self (), TASK_EVENTS_INFO,
|
|
(task_info_t) &ei, &count);
|
|
if (err == KERN_INVALID_ARGUMENT) /* microkernel doesn't implement it */
|
|
memset (&ei, 0, sizeof ei);
|
|
else 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);
|
|
|
|
time_value_add (&bi.user_time, &tti.user_time);
|
|
time_value_add (&bi.system_time, &tti.system_time);
|
|
|
|
memset (usage, 0, sizeof (struct rusage));
|
|
|
|
usage->ru_utime.tv_sec = bi.user_time.seconds;
|
|
usage->ru_utime.tv_usec = bi.user_time.microseconds;
|
|
usage->ru_stime.tv_sec = bi.system_time.seconds;
|
|
usage->ru_stime.tv_usec = bi.system_time.microseconds;
|
|
|
|
/* These statistics map only approximately. */
|
|
usage->ru_majflt = ei.pageins;
|
|
usage->ru_minflt = ei.faults - ei.pageins;
|
|
usage->ru_msgsnd = ei.messages_sent; /* Mach IPC, not SysV IPC */
|
|
usage->ru_msgrcv = ei.messages_received; /* Mach IPC, not SysV IPC */
|
|
break;
|
|
|
|
case RUSAGE_CHILDREN:
|
|
/* XXX Not implemented yet. However, zero out USAGE to be
|
|
consistent with the wait3 and wait4 functions. */
|
|
memset (usage, 0, sizeof (struct rusage));
|
|
|
|
break;
|
|
|
|
default:
|
|
return EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
weak_alias (__getrusage, getrusage)
|