/* Threads compatibility routines for libgcc2. */
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/* Threads compatibility routines for libgcc2. */
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/* Compile this one with gcc. */
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/* Compile this one with gcc. */
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/* Copyright (C) 2003, 2004, 2009 Free Software Foundation, Inc.
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/* Copyright (C) 2003, 2004, 2009 Free Software Foundation, Inc.
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This file is part of GCC.
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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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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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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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Software Foundation; either version 3, or (at your option) any later
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version.
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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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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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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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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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for more details.
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Under Section 7 of GPL version 3, you are granted additional
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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<http://www.gnu.org/licenses/>. */
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#include "gthr-gnat.h"
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#include "gthr-gnat.h"
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#ifndef HIDE_EXPORTS
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#ifndef HIDE_EXPORTS
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#pragma GCC visibility push(default)
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#pragma GCC visibility push(default)
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#endif
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#endif
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#ifdef __cplusplus
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#ifdef __cplusplus
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#define UNUSED(x)
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#define UNUSED(x)
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#else
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#else
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#define UNUSED(x) x __attribute__((unused))
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#define UNUSED(x) x __attribute__((unused))
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#endif
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#endif
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void __gnat_default_lock (void);
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void __gnat_default_lock (void);
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void __gnat_default_unlock (void);
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void __gnat_default_unlock (void);
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void
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void
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__gnat_default_lock (void)
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__gnat_default_lock (void)
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{
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{
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return;
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return;
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}
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}
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void
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void
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__gnat_default_unlock (void)
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__gnat_default_unlock (void)
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{
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{
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return;
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return;
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}
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}
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static void (*__gnat_task_lock) (void) = *__gnat_default_lock;
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static void (*__gnat_task_lock) (void) = *__gnat_default_lock;
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static void (*__gnat_task_unlock) (void) = *__gnat_default_unlock;
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static void (*__gnat_task_unlock) (void) = *__gnat_default_unlock;
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void
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void
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__gnat_install_locks (void (*lock) (void), void (*unlock) (void))
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__gnat_install_locks (void (*lock) (void), void (*unlock) (void))
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{
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{
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__gnat_task_lock = lock;
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__gnat_task_lock = lock;
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__gnat_task_unlock = unlock;
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__gnat_task_unlock = unlock;
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}
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}
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int
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int
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__gthread_active_p (void)
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__gthread_active_p (void)
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{
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{
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return 0;
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return 0;
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}
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}
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int
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int
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__gthread_mutex_lock (__gthread_mutex_t * UNUSED (mutex))
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__gthread_mutex_lock (__gthread_mutex_t * UNUSED (mutex))
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{
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{
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__gnat_task_lock ();
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__gnat_task_lock ();
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return 0;
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return 0;
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}
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}
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int
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int
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__gthread_mutex_unlock (__gthread_mutex_t * UNUSED (mutex))
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__gthread_mutex_unlock (__gthread_mutex_t * UNUSED (mutex))
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{
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{
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__gnat_task_unlock ();
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__gnat_task_unlock ();
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return 0;
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return 0;
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}
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}
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#ifndef HIDE_EXPORTS
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#ifndef HIDE_EXPORTS
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#pragma GCC visibility pop
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#pragma GCC visibility pop
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#endif
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#endif
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