Clean up more #include files. Create an internal __boolean_t so two or
[dragonfly.git] / sys / sys / select.h
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1/*-
2 * Copyright (c) 1992, 1993
3 * The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 *
33 * @(#)select.h 8.2 (Berkeley) 1/4/94
34 * $FreeBSD: src/sys/sys/select.h,v 1.6.2.1 2000/05/05 03:50:02 jlemon Exp $
03d6a592 35 * $DragonFly: src/sys/sys/select.h,v 1.6 2006/05/21 03:43:47 dillon Exp $
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36 */
37
38#ifndef _SYS_SELECT_H_
39#define _SYS_SELECT_H_
40
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41#if defined(_KERNEL) || defined(_KERNEL_STRUCTURES)
42
43#ifndef _SYS_EVENT_H_
984263bc 44#include <sys/event.h> /* for struct klist */
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45#endif
46#ifndef _SYS_NETISR_H_
c1d0003c 47#include <net/netisr.h> /* for struct notifymsglist */
03d6a592 48#endif
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49
50/*
51 * Used to maintain information about processes that wish to be
52 * notified when I/O becomes possible.
53 */
54struct selinfo {
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55 pid_t si_pid; /* process to be notified */
56 struct klist si_note; /* kernel note list */
57 struct notifymsglist si_mlist; /* list of pending predicate messages */
58 short si_flags; /* see below */
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59};
60#define SI_COLL 0x0001 /* collision occurred */
61
62#ifdef _KERNEL
41c20dac 63struct thread;
984263bc 64
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65void selrecord (struct thread *selector, struct selinfo *);
66void selwakeup (struct selinfo *);
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67#endif
68
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69#endif /* _KERNEL || _KERNEL_STRUCTURES */
70#endif /* !_SYS_SELECT_H_ */