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scoutos / prex-0.9.0 / sys / include / ipc.h @ 03e9c04a

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/*-
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 * Copyright (c) 2005, Kohsuke Ohtani
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 * 1. Redistributions of source code must retain the above copyright
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 *    notice, this list of conditions and the following disclaimer.
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 * 2. Redistributions in binary form must reproduce the above copyright
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 *    notice, this list of conditions and the following disclaimer in the
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 *    documentation and/or other materials provided with the distribution.
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 * 3. Neither the name of the author nor the names of any co-contributors
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 *    may be used to endorse or promote products derived from this software
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 *    without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * SUCH DAMAGE.
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 */
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#ifndef _IPC_H
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#define _IPC_H
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#include <sys/cdefs.h>
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#include <types.h>
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#include <sys/list.h>
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#include <sys/queue.h>
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#include <ipc/ipc.h>
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struct object {
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        struct list        link;                /* linkage for all objects in system */
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        char                name[MAXOBJNAME]; /* object name */
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        struct list        task_link;        /* linkage on object list in task */
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        task_t                owner;                /* creator of this object */
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        struct queue        sendq;                /* queue for sender threads */
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        struct queue        recvq;                /* queue for receiver threads */
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};
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__BEGIN_DECLS
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int         object_create(const char *, object_t *);
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int         object_lookup(const char *, object_t *);
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int         object_destroy(object_t);
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int         object_valid(object_t);
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void         object_cleanup(task_t);
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void         object_init(void);
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int         msg_send(object_t, void *, size_t);
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int         msg_receive(object_t, void *, size_t);
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int         msg_reply(object_t, void *, size_t);
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void         msg_cancel(thread_t);
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void         msg_abort(object_t);
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void         msg_init(void);
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__BEGIN_DECLS
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#endif /* !_IPC_H */