1 /* $OpenBSD: selinfo.h,v 1.3 2007/07/25 23:11:53 art Exp $ */ 2 3 /*- 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. Neither the name of the University nor the names of its contributors 16 * may be used to endorse or promote products derived from this software 17 * without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 * SUCH DAMAGE. 30 * 31 * @(#)select.h 8.2 (Berkeley) 1/4/94 32 */ 33 34 #ifndef _SYS_SELINFO_H_ 35 #define _SYS_SELINFO_H_ 36 37 #include <sys/event.h> /* for struct klist */ 38 39 /* 40 * Used to maintain information about processes that wish to be 41 * notified when I/O becomes possible. 42 */ 43 struct selinfo { 44 pid_t si_selpid; /* process to be notified */ 45 struct klist si_note; /* kernel note list */ 46 short si_flags; /* see below */ 47 }; 48 #define SI_COLL 0x0001 /* collision occurred */ 49 50 #ifdef _KERNEL 51 struct proc; 52 53 void selrecord(struct proc *selector, struct selinfo *); 54 void selwakeup(struct selinfo *); 55 #endif 56 57 #endif /* !_SYS_SELINFO_H_ */ 58