1 /* Copyright (C) 1991-2015 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 <http://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 #define __need_clock_t
28 #include <time.h>
29
30
31 __BEGIN_DECLS
32
33 /* Structure describing CPU time used by a process and its children. */
34 struct tms
35 {
36 clock_t tms_utime; /* User CPU time. */
37 clock_t tms_stime; /* System CPU time. */
38
39 clock_t tms_cutime; /* User CPU time of dead children. */
40 clock_t tms_cstime; /* System CPU time of dead children. */
41 };
42
43
44 /* Store the CPU time used by this process and all its
45 dead children (and their dead children) in BUFFER.
46 Return the elapsed real time, or (clock_t) -1 for errors.
47 All times are in CLK_TCKths of a second. */
48 extern clock_t times (struct tms *__buffer) __THROW;
49
50 __END_DECLS
51
52 #endif /* sys/times.h */
53