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/* Definition for thread-local data handling. OpenSolaris/i386 version.
Copyright (C) 2002, 2003, 2004, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
OpenSolaris bits contributed by David Bartley
<dtbartle@csclub.uwaterloo.ca>, 2008.
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. */
#ifndef _OPENSOLARIS_TLS_H
#define _OPENSOLARIS_TLS_H 1
/* __thread doesn't work for statically-linked executables. */
#if !defined (SHARED)
# undef HAVE___THREAD
#endif
/* We can use most of the code from the nptl tls.h. */
#include_next <tls.h>
#ifndef __ASSEMBLER__
/* OpenSolaris has lwp_private in order to set the thread data. */
# include <sys/lwp.h>
# include <sys/syscall.h>
# undef TLS_INIT_TP
# define TLS_INIT_TP(thrdescr, secondcall) \
({ void *_thrdescr = (thrdescr); \
tcbhead_t *_head = _thrdescr; \
sysret_t ret; \
\
_head->tcb = _thrdescr; \
/* For now the thread descriptor is at the same address. */ \
_head->self = _thrdescr; \
\
(__systemcall (&ret, SYS_lwp_private, _LWP_SETPRIVATE, _LWP_GSBASE, \
(uintptr_t)_thrdescr) != 0) \
? "lwp_private failed when setting up thread-local storage\n" : NULL; \
})
/* TODO: Figure out what to define this as. */
# undef DB_THREAD_SELF
# endif /* __ASSEMBLER__ */
#endif /* _OPENSOLARIS_TLS_H */
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