82 lines
2.0 KiB
C
82 lines
2.0 KiB
C
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/* Threads compatibility routines for libgcc2. */
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/* Compile this one with gcc. */
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/* Copyright (C) 2003 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, 59 Temple Place - Suite 330, Boston, MA
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02111-1307, 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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#include "gthr-gnat.h"
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#ifdef __cplusplus
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#define UNUSED(x)
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#else
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#define UNUSED(x) x __attribute__((unused))
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#endif
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void __gnat_default_lock (void);
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void __gnat_default_unlock (void);
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void
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__gnat_default_lock (void)
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{
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return;
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}
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void
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__gnat_default_unlock (void)
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{
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return;
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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_unlock) (void) = *__gnat_default_unlock;
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void
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__gnat_install_locks (void (*lock) (void), void (*unlock) (void))
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{
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__gnat_task_lock = lock;
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__gnat_task_unlock = unlock;
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}
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int
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__gthread_active_p (void)
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{
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return 0;
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}
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int
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__gthread_mutex_lock (__gthread_mutex_t * UNUSED (mutex))
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{
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__gnat_task_lock ();
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return 0;
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}
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int
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__gthread_mutex_unlock (__gthread_mutex_t * UNUSED (mutex))
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{
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__gnat_task_unlock ();
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return 0;
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}
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