| 1 | /*
|
|---|
| 2 | * times.c: thread sus/usr time
|
|---|
| 3 | *
|
|---|
| 4 | * Copyright (c) 2015 UPMC Sorbonne Universites
|
|---|
| 5 | *
|
|---|
| 6 | * This file is part of ALMOS-kernel.
|
|---|
| 7 | *
|
|---|
| 8 | * ALMOS-kernel is free software; you can redistribute it and/or modify it
|
|---|
| 9 | * under the terms of the GNU General Public License as published by
|
|---|
| 10 | * the Free Software Foundation; version 2.0 of the License.
|
|---|
| 11 | *
|
|---|
| 12 | * ALMOS-kernel is distributed in the hope that it will be useful, but
|
|---|
| 13 | * WITHOUT ANY WARRANTY; without even the implied warranty of
|
|---|
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|---|
| 15 | * General Public License for more details.
|
|---|
| 16 | *
|
|---|
| 17 | * You should have received a copy of the GNU General Public License
|
|---|
| 18 | * along with ALMOS-kernel; if not, write to the Free Software Foundation,
|
|---|
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|---|
| 20 | */
|
|---|
| 21 |
|
|---|
| 22 |
|
|---|
| 23 |
|
|---|
| 24 | #include <cpu.h>
|
|---|
| 25 | #include <thread.h>
|
|---|
| 26 | #include <time.h>
|
|---|
| 27 |
|
|---|
| 28 | int sys_times(struct tms *utms)
|
|---|
| 29 | {
|
|---|
| 30 | #ifdef CONFIG_THREAD_TIME_STAT
|
|---|
| 31 | struct thread_s *this;
|
|---|
| 32 | struct tms _tms;
|
|---|
| 33 | error_t err;
|
|---|
| 34 |
|
|---|
| 35 | if((utms == NULL) || NOT_IN_USPACE((uint_t)utms) ||
|
|---|
| 36 | NOT_IN_USPACE((uint_t)utms+sizeof(struct tms)))
|
|---|
| 37 | {
|
|---|
| 38 | return EINVAL;
|
|---|
| 39 | }
|
|---|
| 40 |
|
|---|
| 41 | this = current_thread;
|
|---|
| 42 |
|
|---|
| 43 | _tms.tms_utime = this->info.tm_usr;
|
|---|
| 44 | _tms.tms_stime = this->info.tm_sys;
|
|---|
| 45 | _tms.tms_cutime = 0;
|
|---|
| 46 | _tms.tms_cstime = 0;
|
|---|
| 47 |
|
|---|
| 48 | err = cpu_copy_to_uspace(utms, &_tms, sizeof(struct tms));
|
|---|
| 49 |
|
|---|
| 50 | this->info.errno = err;
|
|---|
| 51 | if(err) return -1;
|
|---|
| 52 | return 0;
|
|---|
| 53 | #else
|
|---|
| 54 | this->info.errno = ENOTSUPPORTED;
|
|---|
| 55 | return -1;
|
|---|
| 56 |
|
|---|
| 57 | #endif
|
|---|
| 58 | }
|
|---|
