core.h

00001 /*
00002  * Copyright (C) 2005 Jan Kiszka <jan.kiszka@web.de>.
00003  * Copyright (C) 2005 Joerg Langenberg <joerg.langenberg@gmx.net>.
00004  *
00005  * RTAI/fusion is free software; you can redistribute it and/or modify it
00006  * under the terms of the GNU General Public License as published by
00007  * the Free Software Foundation; either version 2 of the License, or
00008  * (at your option) any later version.
00009  *
00010  * RTAI/fusion is distributed in the hope that it will be useful, but
00011  * WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013  * General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU General Public License
00016  * along with RTAI/fusion; if not, write to the Free Software Foundation,
00017  * Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
00018  */
00019 
00020 #ifndef _RTDM_CORE_H
00021 #define _RTDM_CORE_H
00022 
00023 #include <nucleus/pod.h>
00024 #include <rtdm/rtdm_driver.h>
00025 
00026 
00027 #define DEF_FILDES_COUNT    64  /* default number of file descriptors */
00028 
00029 
00030 struct rtdm_fildes {
00031     struct rtdm_fildes                  *next;
00032     volatile struct rtdm_dev_context    *context;
00033 };
00034 
00035 
00036 #ifdef CONFIG_SMP
00037 extern xnlock_t             rt_fildes_lock;
00038 #endif /* CONFIG_SMP */
00039 
00040 extern unsigned int         fd_count;
00041 extern struct rtdm_fildes   *fildes_table;
00042 extern int                  open_fildes;
00043 
00044 
00045 int __init rtdm_core_init(void);
00046 
00047 static inline void rtdm_core_cleanup(void)
00048 {
00049     kfree(fildes_table);
00050 }
00051 
00052 #endif /* _RTDM_CORE_H */

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