scoutos / prex-0.9.0 / sys / include / ipc.h @ 03e9c04a
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1 | 03e9c04a | Brad Neuman | /*-
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2 | * Copyright (c) 2005, Kohsuke Ohtani
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3 | * All rights reserved.
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4 | *
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5 | * Redistribution and use in source and binary forms, with or without
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6 | * modification, are permitted provided that the following conditions
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7 | * are met:
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8 | * 1. Redistributions of source code must retain the above copyright
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9 | * notice, this list of conditions and the following disclaimer.
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10 | * 2. Redistributions in binary form must reproduce the above copyright
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11 | * notice, this list of conditions and the following disclaimer in the
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12 | * documentation and/or other materials provided with the distribution.
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13 | * 3. Neither the name of the author nor the names of any co-contributors
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14 | * may be used to endorse or promote products derived from this software
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15 | * without specific prior written permission.
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16 | *
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17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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27 | * SUCH DAMAGE.
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28 | */
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29 | |||
30 | #ifndef _IPC_H
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31 | #define _IPC_H
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32 | |||
33 | #include <sys/cdefs.h> |
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34 | #include <types.h> |
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35 | #include <sys/list.h> |
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36 | #include <sys/queue.h> |
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37 | #include <ipc/ipc.h> |
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38 | |||
39 | struct object {
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40 | struct list link; /* linkage for all objects in system */ |
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41 | char name[MAXOBJNAME]; /* object name */ |
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42 | struct list task_link; /* linkage on object list in task */ |
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43 | task_t owner; /* creator of this object */
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44 | struct queue sendq; /* queue for sender threads */ |
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45 | struct queue recvq; /* queue for receiver threads */ |
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46 | }; |
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47 | |||
48 | __BEGIN_DECLS |
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49 | int object_create(const char *, object_t *); |
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50 | int object_lookup(const char *, object_t *); |
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51 | int object_destroy(object_t);
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52 | int object_valid(object_t);
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53 | void object_cleanup(task_t);
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54 | void object_init(void); |
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55 | |||
56 | int msg_send(object_t, void *, size_t); |
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57 | int msg_receive(object_t, void *, size_t); |
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58 | int msg_reply(object_t, void *, size_t); |
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59 | void msg_cancel(thread_t);
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60 | void msg_abort(object_t);
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61 | void msg_init(void); |
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62 | __BEGIN_DECLS |
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63 | |||
64 | #endif /* !_IPC_H */ |