monitor.h

/*
 * Copyright (C) 2011 Philippe Gerum <rpm@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_MONITOR_H
#define _COBALT_POSIX_MONITOR_H

#include <cobalt/kernel/synch.h>
#include <cobalt/uapi/monitor.h>
#include <xenomai/posix/syscall.h>
#include <xenomai/posix/process.h>

struct cobalt_resources;
struct cobalt_process;

struct cobalt_monitor {
        unsigned int magic;
        struct xnsynch gate;
        struct xnsynch drain;
        struct cobalt_monitor_state *state;
        struct list_head waiters;
        int flags;
        xntmode_t tmode;
        struct cobalt_resnode resnode;
};

int __cobalt_monitor_wait(struct cobalt_monitor_shadow __user *u_mon,
                          int event, const struct timespec *ts,
                          int __user *u_ret);

COBALT_SYSCALL_DECL(monitor_init,
                    (struct cobalt_monitor_shadow __user *u_monsh,
                     clockid_t clk_id,
                     int flags));

COBALT_SYSCALL_DECL(monitor_enter,
                    (struct cobalt_monitor_shadow __user *u_monsh));

COBALT_SYSCALL_DECL(monitor_sync,
                    (struct cobalt_monitor_shadow __user *u_monsh));

COBALT_SYSCALL_DECL(monitor_exit,
                    (struct cobalt_monitor_shadow __user *u_monsh));

COBALT_SYSCALL_DECL(monitor_wait,
                    (struct cobalt_monitor_shadow __user *u_monsh,
                     int event, const struct timespec __user *u_ts,
                     int __user *u_ret));

COBALT_SYSCALL_DECL(monitor_destroy,
                    (struct cobalt_monitor_shadow __user *u_monsh));

void cobalt_monitor_reclaim(struct cobalt_resnode *node,
                            spl_t s);

#endif /* !_COBALT_POSIX_MONITOR_H */