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688903eb | 1 | /* Copyright (C) 1991-2018 Free Software Foundation, Inc. |
54d79e99 | 2 | This file is part of the GNU C Library. |
28f540f4 | 3 | |
54d79e99 | 4 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
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. | |
28f540f4 | 8 | |
54d79e99 UD |
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 | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
28f540f4 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
28f540f4 RM |
17 | |
18 | #ifndef _SYS_VTIMES_H | |
28f540f4 | 19 | #define _SYS_VTIMES_H 1 |
5107cf1d | 20 | |
28f540f4 RM |
21 | #include <features.h> |
22 | ||
23 | __BEGIN_DECLS | |
24 | ||
25 | /* This interface is obsolete; use `getrusage' instead. */ | |
26 | ||
27 | /* Granularity of the `vm_utime' and `vm_stime' fields of a `struct vtimes'. | |
28 | (This is the frequency of the machine's power supply, in Hz.) */ | |
29 | #define VTIMES_UNITS_PER_SECOND 60 | |
30 | ||
31 | struct vtimes | |
32 | { | |
33 | /* User time used in units of 1/VTIMES_UNITS_PER_SECOND seconds. */ | |
34 | int vm_utime; | |
35 | /* System time used in units of 1/VTIMES_UNITS_PER_SECOND seconds. */ | |
36 | int vm_stime; | |
37 | ||
38 | /* Amount of data and stack memory used (kilobyte-seconds). */ | |
39 | unsigned int vm_idsrss; | |
40 | /* Amount of text memory used (kilobyte-seconds). */ | |
41 | unsigned int vm_ixrss; | |
42 | /* Maximum resident set size (text, data, and stack) (kilobytes). */ | |
43 | int vm_maxrss; | |
44 | ||
45 | /* Number of hard page faults (i.e. those that required I/O). */ | |
46 | int vm_majflt; | |
47 | /* Number of soft page faults (i.e. those serviced by reclaiming | |
48 | a page from the list of pages awaiting reallocation. */ | |
49 | int vm_minflt; | |
50 | ||
51 | /* Number of times a process was swapped out of physical memory. */ | |
52 | int vm_nswap; | |
53 | ||
54 | /* Number of input operations via the file system. Note: This | |
55 | and `ru_oublock' do not include operations with the cache. */ | |
56 | int vm_inblk; | |
57 | /* Number of output operations via the file system. */ | |
58 | int vm_oublk; | |
59 | }; | |
60 | ||
61 | /* If CURRENT is not NULL, write statistics for the current process into | |
62 | *CURRENT. If CHILD is not NULL, write statistics for all terminated child | |
63 | processes into *CHILD. Returns 0 for success, -1 for failure. */ | |
c1422e5b | 64 | extern int vtimes (struct vtimes * __current, struct vtimes * __child) __THROW; |
28f540f4 RM |
65 | |
66 | __END_DECLS | |
67 | ||
68 | #endif /* sys/vtimes.h */ |