projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| a332bd15 | 1 | /* Test unrelated dlopen after dlopen failure involving NODELETE. |
| 6d7e8eda | 2 | Copyright (C) 2019-2023 Free Software Foundation, Inc. |
| a332bd15 FW |
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 <dlfcn.h> | |
| 20 | #include <errno.h> | |
| 21 | #include <gnu/lib-names.h> | |
| 22 | #include <stddef.h> | |
| 23 | #include <stdio.h> | |
| 24 | #include <string.h> | |
| 25 | #include <support/check.h> | |
| 26 | #include <support/xdlfcn.h> | |
| 27 | ||
| 28 | static int | |
| 29 | do_test (void) | |
| 30 | { | |
| 7862ff8e | 31 | TEST_VERIFY (dlsym (NULL, "no_delete_mod_function") == NULL); |
| a332bd15 FW |
32 | |
| 33 | /* This is expected to fail because of the missing dependency. */ | |
| 34 | puts ("info: attempting to load tst-dlopenfailmod1.so"); | |
| 35 | TEST_VERIFY (dlopen ("tst-dlopenfailmod1.so", RTLD_LAZY) == NULL); | |
| 36 | const char *message = dlerror (); | |
| 37 | TEST_COMPARE_STRING (message, | |
| 38 | "tst-dlopenfail-missingmod.so:" | |
| 39 | " cannot open shared object file:" | |
| 40 | " No such file or directory"); | |
| 41 | ||
| 42 | /* Open a small shared object. With a dangling GL (dl_initfirst) | |
| 43 | pointer, this is likely to crash because there is no longer any | |
| 44 | mapped text segment there (bug 25396). */ | |
| 45 | ||
| 46 | puts ("info: attempting to load tst-dlopenfailmod3.so"); | |
| 47 | xdlclose (xdlopen ("tst-dlopenfailmod3.so", RTLD_NOW)); | |
| 48 | ||
| 49 | return 0; | |
| 50 | } | |
| 51 | ||
| 52 | /* Do not perturb the dangling link map. With M_PERTURB, the link map | |
| 53 | appears to have l_init_called set, so there are no constructor | |
| 54 | calls and no crashes. */ | |
| 55 | #define TEST_NO_MALLOPT | |
| 56 | #include <support/test-driver.c> |