1 | /* Copyright (C) 2005-2024 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 | #include <errno.h> |
19 | #include <stdbool.h> |
20 | #include <stdio.h> |
21 | #include <sys/resource.h> |
22 | |
23 | |
24 | static struct |
25 | { |
26 | const char *name; |
27 | int resource; |
28 | bool required; |
29 | } tests[] = |
30 | { |
31 | /* The following 7 limits are part of POSIX and must exist. */ |
32 | { "RLIMIT_CORE" , RLIMIT_CORE, true }, |
33 | { "RLIMIT_CPU" , RLIMIT_CPU, true }, |
34 | { "RLIMIT_DATA" , RLIMIT_DATA, true }, |
35 | { "RLIMIT_FSIZE" , RLIMIT_FSIZE, true }, |
36 | { "RLIMIT_NOFILE" , RLIMIT_NOFILE, true }, |
37 | { "RLIMIT_STACK" , RLIMIT_STACK, true }, |
38 | { "RLIMIT_AS" , RLIMIT_AS, true }, |
39 | /* The following are traditional Unix limits which are also |
40 | expected (by us). */ |
41 | { "RLIMIT_RSS" , RLIMIT_RSS, true }, |
42 | { "RLIMIT_NPROC" , RLIMIT_NPROC, true }, |
43 | /* The following are extensions. */ |
44 | #ifdef RLIMIT_MEMLOCK |
45 | { "RLIMIT_MEMLOCK" , RLIMIT_MEMLOCK, false }, |
46 | #endif |
47 | #ifdef RLIMIT_LOCKS |
48 | { "RLIMIT_LOCKS" , RLIMIT_LOCKS, false }, |
49 | #endif |
50 | #ifdef RLIMIT_SIGPENDING |
51 | { "RLIMIT_SIGPENDING" , RLIMIT_SIGPENDING, false }, |
52 | #endif |
53 | #ifdef RLIMIT_MSGQUEUE |
54 | { "RLIMIT_MSGQUEUE" , RLIMIT_MSGQUEUE, false }, |
55 | #endif |
56 | #ifdef RLIMIT_NICE |
57 | { "RLIMIT_NICE" , RLIMIT_NICE, false }, |
58 | #endif |
59 | #ifdef RLIMIT_RTPRIO |
60 | { "RLIMIT_RTPRIO" , RLIMIT_RTPRIO, false }, |
61 | #endif |
62 | }; |
63 | #define ntests (sizeof (tests) / sizeof (tests[0])) |
64 | |
65 | |
66 | static int |
67 | do_test (void) |
68 | { |
69 | int status = 0; |
70 | |
71 | for (int i = 0; i < ntests; ++i) |
72 | { |
73 | bool this_ok = true; |
74 | |
75 | struct rlimit r; |
76 | int res = getrlimit (resource: tests[i].resource, rlimits: &r); |
77 | if (res == -1) |
78 | { |
79 | if (errno == EINVAL) |
80 | { |
81 | if (tests[i].required) |
82 | { |
83 | printf (format: "limit %s expectedly not available for getrlimit\n" , |
84 | tests[i].name); |
85 | status = 1; |
86 | this_ok = false; |
87 | } |
88 | } |
89 | else |
90 | { |
91 | printf (format: "getrlimit for %s returned unexpected error: %m\n" , |
92 | tests[i].name); |
93 | status = 1; |
94 | this_ok = false; |
95 | } |
96 | } |
97 | |
98 | struct rlimit64 r64; |
99 | res = getrlimit64 (tests[i].resource, &r64); |
100 | if (res == -1) |
101 | { |
102 | if (errno == EINVAL) |
103 | { |
104 | if (tests[i].required) |
105 | { |
106 | printf (format: "limit %s expectedly not available for getrlimit64" |
107 | "\n" , tests[i].name); |
108 | status = 1; |
109 | this_ok = false; |
110 | } |
111 | } |
112 | else |
113 | { |
114 | printf (format: "getrlimit64 for %s returned unexpected error: %m\n" , |
115 | tests[i].name); |
116 | status = 1; |
117 | this_ok = false; |
118 | } |
119 | } |
120 | |
121 | if (this_ok) |
122 | printf (format: "limit %s OK\n" , tests[i].name); |
123 | } |
124 | |
125 | return status; |
126 | } |
127 | |
128 | #define TEST_FUNCTION do_test () |
129 | #include "../test-skeleton.c" |
130 | |