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54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/* Thread-local data used by error handling for runtime dynamic linker.
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Copyright (C) 2002-2014 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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#ifdef _LIBC_REENTRANT
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# include <ldsodefs.h>
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# include <tls.h>
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# ifndef SHARED
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/* _dl_error_catch_tsd points to this for the single-threaded case.
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It's reset by the thread library for multithreaded programs
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if we're not using __thread. */
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void ** __attribute__ ((const))
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_dl_initial_error_catch_tsd (void)
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{
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static __thread void *data;
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return &data;
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}
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void **(*_dl_error_catch_tsd) (void) __attribute__ ((const))
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= &_dl_initial_error_catch_tsd;
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# else
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/* libpthread sets _dl_error_catch_tsd to point to this function.
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We define it here instead of in libpthread so that it doesn't
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need to have a TLS segment of its own just for this one pointer. */
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void ** __attribute__ ((const))
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__libc_dl_error_tsd (void)
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{
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static __thread void *data attribute_tls_model_ie;
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return &data;
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}
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# endif /* SHARED */
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#endif /* _LIBC_REENTRANT */
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