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 | |