Colony » Colony Scout » Colony Scout OS

/*-

 * Copyright (c) 2005, Kohsuke Ohtani

 * All rights reserved.

 *

 * Redistribution and use in source and binary forms, with or without

 * modification, are permitted provided that the following conditions

 * are met:

 * 1. Redistributions of source code must retain the above copyright

 *    notice, this list of conditions and the following disclaimer.

 * 2. Redistributions in binary form must reproduce the above copyright

 *    notice, this list of conditions and the following disclaimer in the

 *    documentation and/or other materials provided with the distribution.

 * 3. Neither the name of the author nor the names of any co-contributors

 *    may be used to endorse or promote products derived from this software

 *    without specific prior written permission.

 *

 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND

 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE

 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

 * SUCH DAMAGE.

 */

#ifndef _IPC_H

#define _IPC_H

#include <sys/cdefs.h>

#include <types.h>

#include <sys/list.h>

#include <sys/queue.h>

#include <ipc/ipc.h>

struct object {

        struct list        link;                /* linkage for all objects in system */

        char                name[MAXOBJNAME]; /* object name */

        struct list        task_link;        /* linkage on object list in task */

        task_t                owner;                /* creator of this object */

        struct queue        sendq;                /* queue for sender threads */

        struct queue        recvq;                /* queue for receiver threads */

};

__BEGIN_DECLS

int         object_create(const char *, object_t *);

int         object_lookup(const char *, object_t *);

int         object_destroy(object_t);

int         object_valid(object_t);

void         object_cleanup(task_t);

void         object_init(void);

int         msg_send(object_t, void *, size_t);

int         msg_receive(object_t, void *, size_t);

int         msg_reply(object_t, void *, size_t);

void         msg_cancel(thread_t);

void         msg_abort(object_t);

void         msg_init(void);

__BEGIN_DECLS

#endif /* !_IPC_H */