59 lines
1.8 KiB
C
59 lines
1.8 KiB
C
/* Thread-local data used by error handling for runtime dynamic linker.
|
|
Copyright (C) 2002, 2005 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, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#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)
|
|
{
|
|
# if USE___THREAD
|
|
static __thread void *data;
|
|
# else
|
|
static void *data;
|
|
# endif
|
|
return &data;
|
|
}
|
|
void **(*_dl_error_catch_tsd) (void) __attribute__ ((const))
|
|
= &_dl_initial_error_catch_tsd;
|
|
|
|
# elif USE___THREAD
|
|
|
|
/* 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 */
|