| 1 | #include "../dlfcn/dlfcn.h" |
|---|
| 2 | #include <stdio.h> |
|---|
| 3 | #include <stdlib.h> |
|---|
| 4 | #include <gnu/lib-names.h> |
|---|
| 5 | |
|---|
| 6 | static int |
|---|
| 7 | do_test (void) |
|---|
| 8 | { |
|---|
| 9 | int result = 0; |
|---|
| 10 | |
|---|
| 11 | printf (format: "\nOpening pthread library.\n" ); |
|---|
| 12 | void *pthread = dlopen (LIBPTHREAD_SO, RTLD_LAZY); |
|---|
| 13 | |
|---|
| 14 | /* This is a test for correct DF_1_NODELETE clearing when dlopen failure |
|---|
| 15 | happens. We should clear DF_1_NODELETE for failed library only, because |
|---|
| 16 | doing this for others (e.g. libpthread) might cause them to be unloaded, |
|---|
| 17 | that may lead to some global references (e.g. __rtld_lock_unlock) to be |
|---|
| 18 | broken. The dlopen should fail because of undefined symbols in shared |
|---|
| 19 | library, that cause DF_1_NODELETE to be cleared. For libpthread, this |
|---|
| 20 | flag should be set, because if not, SIGSEGV will happen in dlclose. */ |
|---|
| 21 | if (dlopen (file: "tst-nodelete2mod.so" , RTLD_NOW) != NULL) |
|---|
| 22 | { |
|---|
| 23 | printf (format: "Unique symbols test failed\n" ); |
|---|
| 24 | result = 1; |
|---|
| 25 | } |
|---|
| 26 | |
|---|
| 27 | if (pthread) |
|---|
| 28 | dlclose (handle: pthread); |
|---|
| 29 | |
|---|
| 30 | if (result == 0) |
|---|
| 31 | printf (format: "SUCCESS\n" ); |
|---|
| 32 | |
|---|
| 33 | return result; |
|---|
| 34 | } |
|---|
| 35 | |
|---|
| 36 | #include <support/test-driver.c> |
|---|
| 37 | |
|---|
