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/* Definition for thread-local data handling. NaCl version.
Copyright (C) 2015-2017 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/>. */
#ifndef _NACL_TLS_H
#define _NACL_TLS_H 1
#ifndef __ASSEMBLER__
# include <nacl-interfaces.h>
/* Code to initially initialize the thread pointer. This might need
special attention since 'errno' is not yet available and if the
operation can cause a failure 'errno' must not be touched. */
# define TLS_INIT_TP(tcbp) \
((*__nacl_irt_tls.tls_init) (tcbp) == 0 ? NULL : "tls_init call failed")
/* Our use of dl_sysinfo is rather different from the Linux syscall
entry-point case. We never need a thread-local copy of the value. */
# undef SETUP_THREAD_SYSINFO
# undef CHECK_THREAD_SYSINFO
# define SETUP_THREAD_SYSINFO(pd) ((void) (pd))
# define CHECK_THREAD_SYSINFO(pd) ((void) (pd))
#endif /* __ASSEMBLER__ */
#endif /* tls.h */
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