130 lines
4.5 KiB
C
130 lines
4.5 KiB
C
/* This file is automatically generated. DO NOT EDIT! */
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/* Generated from: NetBSD: mknative-gcc,v 1.22 2006/06/25 03:06:15 mrg Exp */
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/* Generated from: NetBSD: mknative.common,v 1.8 2006/05/26 19:17:21 mrg Exp */
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/* Threads compatibility routines for libgcc2. */
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/* Compile this one with gcc. */
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/* Copyright (C) 1997, 1998, 2004 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to the Free
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Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA. */
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/* As a special exception, if you link this library with other files,
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some of which are compiled with GCC, to produce an executable,
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this library does not by itself cause the resulting executable
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to be covered by the GNU General Public License.
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This exception does not however invalidate any other reasons why
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the executable file might be covered by the GNU General Public License. */
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#ifndef _GLIBCXX_GCC_GTHR_H
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#define _GLIBCXX_GCC_GTHR_H
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#ifndef _GLIBCXX_HIDE_EXPORTS
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#pragma GCC visibility push(default)
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#endif
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/* If this file is compiled with threads support, it must
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#define __GTHREADS 1
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to indicate that threads support is present. Also it has define
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function
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int __gthread_active_p ()
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that returns 1 if thread system is active, 0 if not.
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The threads interface must define the following types:
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__gthread_key_t
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__gthread_once_t
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__gthread_mutex_t
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__gthread_recursive_mutex_t
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The threads interface must define the following macros:
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__GTHREAD_ONCE_INIT
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to initialize __gthread_once_t
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__GTHREAD_MUTEX_INIT
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to initialize __gthread_mutex_t to get a fast
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non-recursive mutex.
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__GTHREAD_MUTEX_INIT_FUNCTION
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some systems can't initialize a mutex without a
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function call. On such systems, define this to a
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function which looks like this:
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void __GTHREAD_MUTEX_INIT_FUNCTION (__gthread_mutex_t *)
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Don't define __GTHREAD_MUTEX_INIT in this case
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__GTHREAD_RECURSIVE_MUTEX_INIT
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__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION
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as above, but for a recursive mutex.
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The threads interface must define the following static functions:
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int __gthread_once (__gthread_once_t *once, void (*func) ())
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int __gthread_key_create (__gthread_key_t *keyp, void (*dtor) (void *))
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int __gthread_key_delete (__gthread_key_t key)
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void *__gthread_getspecific (__gthread_key_t key)
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int __gthread_setspecific (__gthread_key_t key, const void *ptr)
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int __gthread_mutex_lock (__gthread_mutex_t *mutex);
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int __gthread_mutex_trylock (__gthread_mutex_t *mutex);
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int __gthread_mutex_unlock (__gthread_mutex_t *mutex);
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int __gthread_recursive_mutex_lock (__gthread_recursive_mutex_t *mutex);
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int __gthread_recursive_mutex_trylock (__gthread_recursive_mutex_t *mutex);
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int __gthread_recursive_mutex_unlock (__gthread_recursive_mutex_t *mutex);
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All functions returning int should return zero on success or the error
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number. If the operation is not supported, -1 is returned.
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Currently supported threads packages are
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TPF threads with -D__tpf__
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POSIX/Unix98 threads with -D_PTHREADS
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POSIX/Unix95 threads with -D_PTHREADS95
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DCE threads with -D_DCE_THREADS
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Solaris/UI threads with -D_SOLARIS_THREADS
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*/
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/* Check first for thread specific defines. */
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#if defined (_GLIBCXX___tpf_GLIBCXX___)
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#include <bits/gthr-tpf.h>
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#elif _GLIBCXX__PTHREADS
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#include <bits/gthr-posix.h>
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#elif _GLIBCXX__PTHREADS95
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#include <bits/gthr-posix95.h>
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#elif _GLIBCXX__DCE_THREADS
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#include <bits/gthr-dce.h>
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#elif _GLIBCXX__SOLARIS_THREADS
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#include <bits/gthr-solaris.h>
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/* Include GTHREAD_FILE if one is defined. */
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#elif defined(_GLIBCXX_HAVE_GTHR_DEFAULT)
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#if __GXX_WEAK__
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#ifndef _GLIBCXX_GTHREAD_USE_WEAK
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#define _GLIBCXX_GTHREAD_USE_WEAK 1
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#endif
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#endif
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#include <bits/gthr-default.h>
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/* Fallback to single thread definitions. */
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#else
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#include <bits/gthr-single.h>
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#endif
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#ifndef _GLIBCXX_HIDE_EXPORTS
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#pragma GCC visibility pop
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#endif
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#endif /* ! _GLIBCXX_GCC_GTHR_H */
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