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/* Thread-local data used by error handling for runtime dynamic linker.
Copyright (C) 2002-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#ifdef _LIBC_REENTRANT
# include <ldsodefs.h>
# include <tls.h>
# ifndef SHARED
/* _dl_error_catch_tsd points to this for the single-threaded case.
It's reset by the thread library for multithreaded programs
if we're not using __thread. */
void ** __attribute__ ((const))
_dl_initial_error_catch_tsd (void)
{
static __thread void *data;
return &data;
}
void **(*_dl_error_catch_tsd) (void) __attribute__ ((const))
= &_dl_initial_error_catch_tsd;
# else
/* libpthread sets _dl_error_catch_tsd to point to this function.
We define it here instead of in libpthread so that it doesn't
need to have a TLS segment of its own just for this one pointer. */
void ** __attribute__ ((const))
__libc_dl_error_tsd (void)
{
static __thread void *data attribute_tls_model_ie;
return &data;
}
# endif /* SHARED */
#endif /* _LIBC_REENTRANT */
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