internal.h

/*
 * Written by Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */
#ifndef _COBALT_POSIX_INTERNAL_H
#define _COBALT_POSIX_INTERNAL_H
 
#include <cobalt/kernel/sched.h>
#include <cobalt/kernel/heap.h>
#include <cobalt/kernel/ppd.h>
#include <cobalt/kernel/assert.h>
#include <cobalt/kernel/list.h>
#include <cobalt/kernel/arith.h>
#include <asm/xenomai/syscall.h>
#include "process.h"
#include "extension.h"
#include "syscall.h"
#include "memory.h"
 
#define COBALT_MAXNAME          64
#define COBALT_PERMS_MASK       (O_RDONLY | O_WRONLY | O_RDWR)
 
#define COBALT_MAGIC(n)         (0x8686##n##n)
#define COBALT_ANY_MAGIC        COBALT_MAGIC(00)
#define COBALT_THREAD_MAGIC     COBALT_MAGIC(01)
#define COBALT_MQ_MAGIC         COBALT_MAGIC(0A)
#define COBALT_MQD_MAGIC        COBALT_MAGIC(0B)
#define COBALT_EVENT_MAGIC      COBALT_MAGIC(0F)
#define COBALT_MONITOR_MAGIC    COBALT_MAGIC(10)
#define COBALT_TIMERFD_MAGIC    COBALT_MAGIC(11)
 
#define cobalt_obj_active(h,m,t)        \
        ((h) && ((t *)(h))->magic == (m))
 
#define cobalt_mark_deleted(t) ((t)->magic = ~(t)->magic)
 
extern struct xnptree posix_ptree;
 
static inline xnhandle_t cobalt_get_handle_from_user(xnhandle_t *u_h)
{
        xnhandle_t handle;
 
        if (unlikely(!access_ok(u_h, sizeof(*u_h))))
                return 0;
 
        return __xn_get_user(handle, u_h) ? 0 : handle;
}
 
int cobalt_init(void);
 
long cobalt_restart_syscall_placeholder(struct restart_block *param);
 
#endif /* !_COBALT_POSIX_INTERNAL_H */