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e6fb95871c
GCC 4.4, the minimum compiler version, supports this option. Unlike other warnings, -Wimplicit-function-declaration warnings should be independent of compiler versions, so this change should not cause compiler-specific build failures.
39 lines
1.1 KiB
C
39 lines
1.1 KiB
C
/* Verify that DSO is unloaded only if its TLS objects are destroyed - the DSO.
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Copyright (C) 2013-2014 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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<http://www.gnu.org/licenses/>. */
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#include <stdlib.h>
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extern void *__dso_handle;
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typedef struct
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{
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void *val;
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} A;
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/* We only care about the destructor. */
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void A_dtor (void *obj)
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{
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((A *)obj)->val = obj;
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}
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void do_foo (void)
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{
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static __thread A b;
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__cxa_thread_atexit_impl (A_dtor, &b, __dso_handle);
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}
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