| 1 | /* Copyright (C) 1991-2022 Free Software Foundation, Inc. |
| 2 | This file is part of the GNU C Library. |
| 3 | |
| 4 | The GNU C Library is free software; you can redistribute it and/or |
| 5 | modify it under the terms of the GNU Lesser General Public |
| 6 | License as published by the Free Software Foundation; either |
| 7 | version 2.1 of the License, or (at your option) any later version. |
| 8 | |
| 9 | The GNU C Library is distributed in the hope that it will be useful, |
| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | Lesser General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU Lesser General Public |
| 15 | License along with the GNU C Library; if not, see |
| 16 | <https://www.gnu.org/licenses/>. */ |
| 17 | |
| 18 | /* |
| 19 | * POSIX Standard: 4.5.2 Process Times <sys/times.h> |
| 20 | */ |
| 21 | |
| 22 | #ifndef _SYS_TIMES_H |
| 23 | #define _SYS_TIMES_H 1 |
| 24 | |
| 25 | #include <features.h> |
| 26 | |
| 27 | #include <bits/types/clock_t.h> |
| 28 | |
| 29 | __BEGIN_DECLS |
| 30 | |
| 31 | /* Structure describing CPU time used by a process and its children. */ |
| 32 | struct tms |
| 33 | { |
| 34 | clock_t tms_utime; /* User CPU time. */ |
| 35 | clock_t tms_stime; /* System CPU time. */ |
| 36 | |
| 37 | clock_t tms_cutime; /* User CPU time of dead children. */ |
| 38 | clock_t tms_cstime; /* System CPU time of dead children. */ |
| 39 | }; |
| 40 | |
| 41 | |
| 42 | /* Store the CPU time used by this process and all its |
| 43 | dead children (and their dead children) in BUFFER. |
| 44 | Return the elapsed real time, or (clock_t) -1 for errors. |
| 45 | All times are in CLK_TCKths of a second. */ |
| 46 | extern clock_t times (struct tms *__buffer) __THROW; |
| 47 | |
| 48 | __END_DECLS |
| 49 | |
| 50 | #endif /* sys/times.h */ |
| 51 | |