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   1 /*-
   2  * Copyright (c) 2005, Kohsuke Ohtani
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  * 3. Neither the name of the author nor the names of any co-contributors
  14  *    may be used to endorse or promote products derived from this software
  15  *    without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  27  * SUCH DAMAGE.
  28  */
  30 #ifndef _IPC_H
  31 #define _IPC_H
  33 #include <sys/cdefs.h>
  34 #include <types.h>
  35 #include <sys/list.h>
  36 #include <sys/queue.h>
  37 #include <ipc/ipc.h>
  39 struct object {
  40         struct list     link;           /* linkage for all objects in system */
  41         char            name[MAXOBJNAME]; /* object name */
  42         struct list     task_link;      /* linkage on object list in task */
task_t          owner;          /* creator of this object */
  44         struct queue    sendq;          /* queue for sender threads */
  45         struct queue    recvq;          /* queue for receiver threads */
  46 };
__BEGIN_DECLS
  49 int      object_create(const char *, object_t *);
  50 int      object_lookup(const char *, object_t *);
  51 int      object_destroy(object_t);
  52 int      object_valid(object_t);
  53 void     object_cleanup(task_t);
  54 void     object_init(void);
  56 int      msg_send(object_t, void *, size_t);
  57 int      msg_receive(object_t, void *, size_t);
  58 int      msg_reply(object_t, void *, size_t);
  59 void     msg_cancel(thread_t);
  60 void     msg_abort(object_t);
  61 void     msg_init(void);
__BEGIN_DECLS
  64 #endif /* !_IPC_H */