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1 | /* Indicate that a test requires a working /proc. |
2 | Copyright (C) 2022 Free Software Foundation, Inc. | |
3 | This file is part of the GNU C Library. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
17 | <https://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #include <unistd.h> | |
20 | #include <support/check.h> | |
21 | #include <support/support.h> | |
22 | ||
23 | /* We test for /proc/self/maps since that's one of the files that one | |
24 | of our tests actually uses, but the general idea is if Linux's | |
25 | /proc/ (procfs) filesystem is mounted. If not, the process exits | |
26 | with an UNSUPPORTED result code. */ | |
27 | ||
28 | void | |
29 | support_need_proc (const char *why_msg) | |
30 | { | |
31 | #ifdef __linux__ | |
32 | if (access ("/proc/self/maps", R_OK)) | |
33 | FAIL_UNSUPPORTED ("/proc is not available, %s", why_msg); | |
34 | #endif | |
35 | } |