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60 lines
2.2 KiB
C
60 lines
2.2 KiB
C
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/* Test unrelated dlopen after dlopen failure involving NODELETE.
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Copyright (C) 2019-2020 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <dlfcn.h>
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#include <errno.h>
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#include <gnu/lib-names.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <string.h>
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#include <support/check.h>
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#include <support/xdlfcn.h>
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static int
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do_test (void)
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{
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/* This test uses libpthread as the canonical NODELETE module. If
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libpthread is no longer NODELETE because it has been merged into
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libc, the test needs to be updated. */
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TEST_VERIFY (dlsym (NULL, "pthread_create") == NULL);
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/* This is expected to fail because of the missing dependency. */
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puts ("info: attempting to load tst-dlopenfailmod1.so");
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TEST_VERIFY (dlopen ("tst-dlopenfailmod1.so", RTLD_LAZY) == NULL);
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const char *message = dlerror ();
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TEST_COMPARE_STRING (message,
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"tst-dlopenfail-missingmod.so:"
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" cannot open shared object file:"
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" No such file or directory");
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/* Open a small shared object. With a dangling GL (dl_initfirst)
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pointer, this is likely to crash because there is no longer any
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mapped text segment there (bug 25396). */
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puts ("info: attempting to load tst-dlopenfailmod3.so");
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xdlclose (xdlopen ("tst-dlopenfailmod3.so", RTLD_NOW));
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return 0;
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}
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/* Do not perturb the dangling link map. With M_PERTURB, the link map
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appears to have l_init_called set, so there are no constructor
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calls and no crashes. */
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#define TEST_NO_MALLOPT
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#include <support/test-driver.c>
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