1/* 2 * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28/* 29 * Copyright (c) 1992, 1993 30 * The Regents of the University of California. All rights reserved. 31 * 32 * Redistribution and use in source and binary forms, with or without 33 * modification, are permitted provided that the following conditions 34 * are met: 35 * 1. Redistributions of source code must retain the above copyright 36 * notice, this list of conditions and the following disclaimer. 37 * 2. Redistributions in binary form must reproduce the above copyright 38 * notice, this list of conditions and the following disclaimer in the 39 * documentation and/or other materials provided with the distribution. 40 * 3. All advertising materials mentioning features or use of this software 41 * must display the following acknowledgement: 42 * This product includes software developed by the University of 43 * California, Berkeley and its contributors. 44 * 4. Neither the name of the University nor the names of its contributors 45 * may be used to endorse or promote products derived from this software 46 * without specific prior written permission. 47 * 48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 51 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 58 * SUCH DAMAGE. 59 * 60 * @(#)select.h 8.2 (Berkeley) 1/4/94 61 */ 62 63#ifndef _SYS_SELECT_H_ 64#define _SYS_SELECT_H_ 65 66#include <sys/appleapiopts.h> 67#include <sys/cdefs.h> 68#include <sys/_types.h> 69 70/* 71 * [XSI] The <sys/select.h> header shall define the fd_set type as a structure. 72 * The timespec structure shall be defined as described in <time.h> 73 * The <sys/select.h> header shall define the timeval structure. 74 */ 75#include <sys/_types/_fd_def.h> 76#include <sys/_types/_timespec.h> 77#include <sys/_types/_timeval.h> 78 79/* 80 * The time_t and suseconds_t types shall be defined as described in 81 * <sys/types.h> 82 * The sigset_t type shall be defined as described in <signal.h> 83 */ 84#include <sys/_types/_time_t.h> 85#include <sys/_types/_suseconds_t.h> 86#include <sys/_types/_sigset_t.h> 87 88/* 89 * [XSI] FD_CLR, FD_ISSET, FD_SET, FD_ZERO may be declared as a function, or 90 * defined as a macro, or both 91 * [XSI] FD_SETSIZE shall be defined as a macro 92 */ 93 94/* 95 * Select uses bit masks of file descriptors in longs. These macros 96 * manipulate such bit fields (the filesystem macros use chars). The 97 * extra protection here is to permit application redefinition above 98 * the default size. 99 */ 100#include <sys/_types/_fd_setsize.h> 101#include <sys/_types/_fd_set.h> 102#include <sys/_types/_fd_clr.h> 103#include <sys/_types/_fd_isset.h> 104#include <sys/_types/_fd_zero.h> 105 106#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) 107#include <sys/_types/_fd_copy.h> 108#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ 109 110#ifdef KERNEL 111#ifdef KERNEL_PRIVATE 112#include <kern/wait_queue.h> 113#endif 114#include <sys/kernel_types.h> 115 116#include <sys/event.h> 117 118/* 119 * Used to maintain information about processes that wish to be 120 * notified when I/O becomes possible. 121 */ 122#ifdef KERNEL_PRIVATE 123struct selinfo { 124 struct wait_queue si_wait_queue; /* wait_queue for wait/wakeup */ 125 struct klist si_note; /* JMM - temporary separation */ 126 u_int si_flags; /* see below */ 127}; 128 129#define SI_COLL 0x0001 /* collision occurred */ 130#define SI_RECORDED 0x0004 /* select has been recorded */ 131#define SI_INITED 0x0008 /* selinfo has been inited */ 132#define SI_CLEAR 0x0010 /* selinfo has been cleared */ 133 134#else 135struct selinfo; 136#endif 137 138__BEGIN_DECLS 139 140extern int selwait; 141void selrecord(proc_t selector, struct selinfo *, void *); 142void selwakeup(struct selinfo *); 143void selthreadclear(struct selinfo *); 144 145__END_DECLS 146 147#else /* !KERNEL */ 148 149__BEGIN_DECLS 150 151#ifndef __MWERKS__ 152int pselect(int, fd_set * __restrict, fd_set * __restrict, 153 fd_set * __restrict, const struct timespec * __restrict, 154 const sigset_t * __restrict) 155#if defined(_DARWIN_C_SOURCE) || defined(_DARWIN_UNLIMITED_SELECT) 156 __DARWIN_EXTSN_C(pselect) 157#else /* !_DARWIN_C_SOURCE && !_DARWIN_UNLIMITED_SELECT */ 158# if defined(__LP64__) && !__DARWIN_NON_CANCELABLE 159 __DARWIN_1050(pselect) 160# else /* !__LP64__ || __DARWIN_NON_CANCELABLE */ 161 __DARWIN_ALIAS_C(pselect) 162# endif /* __LP64__ && !__DARWIN_NON_CANCELABLE */ 163#endif /* _DARWIN_C_SOURCE || _DARWIN_UNLIMITED_SELECT */ 164 ; 165#endif /* __MWERKS__ */ 166 167#include <sys/_select.h> /* select() prototype */ 168 169__END_DECLS 170 171#endif /* ! KERNEL */ 172 173#endif /* !_SYS_SELECT_H_ */ 174