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glibc/elf/tst-nodelete2.c
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#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" |