root / lab4 / .minix-src / include / sys / selinfo.h @ 14
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| 1 | 13 | up20180614 | /* $NetBSD: selinfo.h,v 1.8 2010/07/08 12:23:31 rmind Exp $ */
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| 2 | |||
| 3 | /*-
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| 4 | * Copyright (c) 2008, 2010 The NetBSD Foundation, Inc.
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| 5 | * All rights reserved.
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| 6 | *
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| 7 | * This code is derived from software contributed to The NetBSD Foundation
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| 8 | * by Andrew Doran.
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| 9 | *
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| 10 | * Redistribution and use in source and binary forms, with or without
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| 11 | * modification, are permitted provided that the following conditions
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| 12 | * are met:
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| 13 | * 1. Redistributions of source code must retain the above copyright
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| 14 | * notice, this list of conditions and the following disclaimer.
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| 15 | * 2. Redistributions in binary form must reproduce the above copyright
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| 16 | * notice, this list of conditions and the following disclaimer in the
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| 17 | * documentation and/or other materials provided with the distribution.
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| 18 | *
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| 19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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| 20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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| 21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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| 22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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| 23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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| 24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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| 25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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| 26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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| 27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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| 28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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| 29 | * POSSIBILITY OF SUCH DAMAGE.
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| 30 | */
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| 31 | |||
| 32 | /*-
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| 33 | * Copyright (c) 1992, 1993
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| 34 | * The Regents of the University of California. All rights reserved.
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| 35 | *
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| 36 | * Redistribution and use in source and binary forms, with or without
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| 37 | * modification, are permitted provided that the following conditions
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| 38 | * are met:
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| 39 | * 1. Redistributions of source code must retain the above copyright
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| 40 | * notice, this list of conditions and the following disclaimer.
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| 41 | * 2. Redistributions in binary form must reproduce the above copyright
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| 42 | * notice, this list of conditions and the following disclaimer in the
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| 43 | * documentation and/or other materials provided with the distribution.
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| 44 | * 3. Neither the name of the University nor the names of its contributors
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| 45 | * may be used to endorse or promote products derived from this software
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| 46 | * without specific prior written permission.
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| 47 | *
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| 48 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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| 49 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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| 50 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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| 51 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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| 52 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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| 53 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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| 54 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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| 55 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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| 56 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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| 57 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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| 58 | * SUCH DAMAGE.
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| 59 | *
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| 60 | * @(#)select.h 8.2 (Berkeley) 1/4/94
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| 61 | * from: NetBSD: select.h,v 1.21 2005/03/10 00:25:45 kleink Exp
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| 62 | */
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| 63 | |||
| 64 | #ifndef _SYS_SELINFO_H_
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| 65 | #define _SYS_SELINFO_H_
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| 66 | |||
| 67 | #include <sys/event.h> /* for struct klist */ |
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| 68 | |||
| 69 | /*
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| 70 | * Used to maintain information about processes that wish to be
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| 71 | * notified when I/O becomes possible.
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| 72 | */
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| 73 | struct selinfo {
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| 74 | struct klist sel_klist; /* knotes attached to this selinfo */ |
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| 75 | void *sel_cluster; /* current cluster association */ |
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| 76 | struct lwp *sel_lwp; /* first LWP to be notified */ |
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| 77 | uintptr_t sel_fdinfo; /* selected descriptor by first LWP */
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| 78 | SLIST_ENTRY(selinfo) sel_chain; /* entry on LWP's list of selinfo */
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| 79 | uint32_t sel_collision; /* mask of colliding cpus */
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| 80 | uint32_t sel_reserved[3];/* reserved for future expansion */ |
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| 81 | }; |
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| 82 | |||
| 83 | #endif /* !_SYS_SELINFO_H_ */ |