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805e021f CE |
1 | /* |
2 | * Copyright (C) 2014 by the Massachusetts Institute of Technology. | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without | |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * | |
9 | * * Redistributions of source code must retain the above copyright | |
10 | * notice, this list of conditions and the following disclaimer. | |
11 | * | |
12 | * * Redistributions in binary form must reproduce the above copyright | |
13 | * notice, this list of conditions and the following disclaimer in | |
14 | * the documentation and/or other materials provided with the | |
15 | * distribution. | |
16 | * | |
17 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
18 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
19 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
20 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
21 | * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, | |
22 | * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
23 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
24 | * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
25 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, | |
26 | * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED | |
28 | * OF THE POSSIBILITY OF SUCH DAMAGE. | |
29 | */ | |
30 | ||
31 | #include <afsconfig.h> | |
32 | #include <afs/param.h> | |
33 | ||
34 | ||
35 | #ifndef AFS_NT40_ENV | |
36 | #include <unistd.h> | |
37 | #endif | |
38 | #ifdef HAVE_SYS_RESOURCE_H | |
39 | #include <sys/resource.h> | |
40 | #endif | |
41 | ||
42 | /* | |
43 | * Return a measure of the size of the process, in kilobytes. | |
44 | * This is inherently a vague sort of measure, and the different paths | |
45 | * have different actual meanings, but perhaps it is useful for comparing | |
46 | * different logs on the same host. | |
47 | */ | |
48 | afs_int32 | |
49 | opr_procsize(void) | |
50 | { | |
51 | #ifdef AFS_NT40_ENV | |
52 | return -1; | |
53 | #elif HAVE_STRUCT_RUSAGE_RU_IDRSS | |
54 | struct rusage usage; | |
55 | if (getrusage(RUSAGE_SELF, &usage) != 0) | |
56 | return -1; | |
57 | else | |
58 | return usage.ru_idrss; | |
59 | #else | |
60 | return (int)((long)sbrk(0) >> 10); | |
61 | #endif | |
62 | } |