rtai-core/include/asm-i386/rtai_xnatomic.h

00001 /*
00002  * Copyright (C) 2001,2002,2003 Philippe Gerum <rpm@xenomai.org>.
00003  *
00004  * Xenomai is free software; you can redistribute it and/or modify it
00005  * under the terms of the GNU General Public License as published by
00006  * the Free Software Foundation; either version 2 of the License, or
00007  * (at your option) any later version.
00008  *
00009  * Xenomai is distributed in the hope that it will be useful, but
00010  * WITHOUT ANY WARRANTY; without even the implied warranty of
00011  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012  * General Public License for more details.
00013  *
00014  * You should have received a copy of the GNU General Public License
00015  * along with Xenomai; if not, write to the Free Software Foundation,
00016  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00017  *
00018  * As a special exception, the RTAI project gives permission
00019  * for additional uses of the text contained in its release of
00020  * Xenomai.
00021  *
00022  * The exception is that, if you link the Xenomai libraries with other
00023  * files to produce an executable, this does not by itself cause the
00024  * resulting executable to be covered by the GNU General Public License.
00025  * Your use of that executable is in no way restricted on account of
00026  * linking the Xenomai libraries code into it.
00027  *
00028  * This exception does not however invalidate any other reasons why
00029  * the executable file might be covered by the GNU General Public
00030  * License.
00031  *
00032  * This exception applies only to the code released by the
00033  * RTAI project under the name Xenomai.  If you copy code from other
00034  * RTAI project releases into a copy of Xenomai, as the General Public
00035  * License permits, the exception does not apply to the code that you
00036  * add in this way.  To avoid misleading anyone as to the status of
00037  * such modified files, you must delete this exception notice from
00038  * them.
00039  *
00040  * If you write modifications of your own for Xenomai, it is your
00041  * choice whether to permit this exception to apply to your
00042  * modifications. If you do not wish that, delete this exception
00043  * notice.
00044  */
00045 
00046 #ifndef _RTAI_ASM_I386_XNATOMIC_H
00047 #define _RTAI_ASM_I386_XNATOMIC_H
00048 
00049 #include <asm/rtai_atomic.h>
00050 
00051 typedef atomic_t atomic_counter_t;
00052 typedef unsigned long atomic_flags_t;
00053 
00054 #define xnarch_memory_barrier()                /* UP-only */
00055 #define xnarch_atomic_set(pcounter,i)          atomic_set(pcounter,i)
00056 #define xnarch_atomic_get(pcounter)            atomic_read(pcounter)
00057 #define xnarch_atomic_inc(pcounter)            atomic_inc(pcounter)
00058 #define xnarch_atomic_dec(pcounter)            atomic_dec(pcounter)
00059 #define xnarch_atomic_inc_and_test(pcounter)   atomic_inc_and_test(pcounter)
00060 #define xnarch_atomic_dec_and_test(pcounter)   atomic_dec_and_test(pcounter)
00061 #define xnarch_atomic_set_mask(pflags,mask)    atomic_set_mask(mask,pflags)
00062 #define xnarch_atomic_clear_mask(pflags,mask)  atomic_clear_mask(mask,pflags)
00063 
00064 #define xnarch_atomic_xchg(ptr,x) atomic_xchg(ptr,x)
00065 
00066 #endif /* !_RTAI_ASM_I386_XNATOMIC_H */

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