diff options
Diffstat (limited to 'elf/tst-nodelete2.c')
-rw-r--r-- | elf/tst-nodelete2.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/elf/tst-nodelete2.c b/elf/tst-nodelete2.c new file mode 100644 index 0000000000..388e8afb32 --- /dev/null +++ b/elf/tst-nodelete2.c @@ -0,0 +1,37 @@ +#include "../dlfcn/dlfcn.h" +#include <stdio.h> +#include <stdlib.h> +#include <gnu/lib-names.h> + +static int +do_test (void) +{ + int result = 0; + + printf ("\nOpening pthread library.\n"); + void *pthread = dlopen (LIBPTHREAD_SO, RTLD_LAZY); + + /* This is a test for correct DF_1_NODELETE clearing when dlopen failure + happens. We should clear DF_1_NODELETE for failed library only, because + doing this for others (e.g. libpthread) might cause them to be unloaded, + that may lead to some global references (e.g. __rtld_lock_unlock) to be + broken. The dlopen should fail because of undefined symbols in shared + library, that cause DF_1_NODELETE to be cleared. For libpthread, this + flag should be set, because if not, SIGSEGV will happen in dlclose. */ + if (dlopen ("tst-nodelete2mod.so", RTLD_NOW) != NULL) + { + printf ("Unique symbols test failed\n"); + result = 1; + } + + if (pthread) + dlclose (pthread); + + if (result == 0) + printf ("SUCCESS\n"); + + return result; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |