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61 lines
2.0 KiB
C
61 lines
2.0 KiB
C
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/* Test with interposed malloc with dynamic TLS.
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Copyright (C) 2024 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 <array_length.h>
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#include <stdio.h>
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#include <support/check.h>
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#include <support/xdlfcn.h>
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/* Defined in tst-recursive-tlsmallocmod.so. */
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extern __thread unsigned int malloc_subsytem_counter;
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static int
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do_test (void)
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{
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/* 16 is large enough to exercise the DTV resizing case. */
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void *handles[16];
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for (unsigned int i = 0; i < array_length (handles); ++i)
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{
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/* Re-use the TLS slot for module 0. */
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if (i > 0)
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xdlclose (handles[0]);
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char soname[30];
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snprintf (soname, sizeof (soname), "tst-recursive-tlsmod%u.so", i);
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handles[i] = xdlopen (soname, RTLD_NOW);
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if (i > 0)
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{
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handles[0] = xdlopen ("tst-recursive-tlsmod0.so", RTLD_NOW);
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int (*fptr) (void) = xdlsym (handles[0], "get_threadvar_0");
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/* May trigger TLS storage allocation using malloc. */
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TEST_COMPARE (fptr (), 0);
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}
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}
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for (unsigned int i = 0; i < array_length (handles); ++i)
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xdlclose (handles[i]);
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printf ("info: malloc subsystem calls: %u\n", malloc_subsytem_counter);
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TEST_VERIFY (malloc_subsytem_counter > 0);
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return 0;
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}
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#include <support/test-driver.c>
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