X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/1c79356b52d46aa6b508fb032f5ae709b1f2897b..4b17d6b6e417f714551ec129064745ea9919780e:/bsd/sys/select.h?ds=sidebyside diff --git a/bsd/sys/select.h b/bsd/sys/select.h index 10cf8b78c..79237174b 100644 --- a/bsd/sys/select.h +++ b/bsd/sys/select.h @@ -1,23 +1,29 @@ /* - * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1992, 1993 @@ -57,22 +63,134 @@ #ifndef _SYS_SELECT_H_ #define _SYS_SELECT_H_ +#include +#include +#include + +/* + * [XSI] The header shall define the fd_set type as a structure. + * The timespec structure shall be defined as described in + * The header shall define the timeval structure. + */ +#define __need_fd_set +#define __need_struct_timespec +#define __need_struct_timeval +#include + +/* + * The time_t and suseconds_t types shall be defined as described in + * + * The sigset_t type shall be defined as described in + */ +#ifndef _TIME_T +#define _TIME_T +typedef __darwin_time_t time_t; +#endif + +#ifndef _SUSECONDS_T +#define _SUSECONDS_T +typedef __darwin_suseconds_t suseconds_t; +#endif + +#ifndef _SIGSET_T +#define _SIGSET_T +typedef __darwin_sigset_t sigset_t; +#endif + +/* + * [XSI] FD_CLR, FD_ISSET, FD_SET, FD_ZERO may be declared as a function, or + * defined as a macro, or both + * [XSI] FD_SETSIZE shall be defined as a macro + */ + +/* + * Select uses bit masks of file descriptors in longs. These macros + * manipulate such bit fields (the filesystem macros use chars). The + * extra protection here is to permit application redefinition above + * the default size. + */ +#ifndef FD_SETSIZE +#define FD_SETSIZE __DARWIN_FD_SETSIZE +#endif /* FD_SETSIZE */ +#ifndef FD_SET +#define FD_SET(n, p) __DARWIN_FD_SET(n, p) +#endif /* FD_SET */ +#ifndef FD_CLR +#define FD_CLR(n, p) __DARWIN_FD_CLR(n, p) +#endif /* FD_CLR */ +#ifndef FD_ISSET +#define FD_ISSET(n, p) __DARWIN_FD_ISSET(n, p) +#endif /* FD_ISSET */ +#ifndef FD_ZERO +#define FD_ZERO(p) __DARWIN_FD_ZERO(p) +#endif /* FD_ZERO */ +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#ifndef FD_COPY +#define FD_COPY(f, t) __DARWIN_FD_COPY(f, t) +#endif /* FD_COPY */ +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ + +#ifdef KERNEL +#ifdef KERNEL_PRIVATE +#include +#endif +#include + +#include + /* * Used to maintain information about processes that wish to be * notified when I/O becomes possible. */ +#ifdef KERNEL_PRIVATE struct selinfo { - void *si_thread; /* thread to be notified */ - short si_flags; /* see below */ + struct wait_queue si_wait_queue; /* wait_queue for wait/wakeup */ + struct klist si_note; /* JMM - temporary separation */ + u_int si_flags; /* see below */ }; -#define SI_COLL 0x0001 /* collision occurred */ -#ifdef KERNEL -struct proc; +#define SI_COLL 0x0001 /* collision occurred */ +#define SI_RECORDED 0x0004 /* select has been recorded */ +#define SI_INITED 0x0008 /* selinfo has been inited */ +#define SI_CLEAR 0x0010 /* selinfo has been cleared */ -void selrecord __P((struct proc *selector, struct selinfo *)); -void selwakeup __P((struct selinfo *)); -void selthreadclear __P((struct selinfo *)); +#else +struct selinfo; #endif +__BEGIN_DECLS + +extern int selwait; +void selrecord(proc_t selector, struct selinfo *, void *); +void selwakeup(struct selinfo *); +void selthreadclear(struct selinfo *); + +__END_DECLS + +#else /* !KERNEL */ + +__BEGIN_DECLS + +#ifndef __MWERKS__ +int pselect(int, fd_set * __restrict, fd_set * __restrict, + fd_set * __restrict, const struct timespec * __restrict, + const sigset_t * __restrict) +#if defined(_DARWIN_C_SOURCE) || defined(_DARWIN_UNLIMITED_SELECT) + __DARWIN_EXTSN_C(pselect) +#else /* !_DARWIN_C_SOURCE && !_DARWIN_UNLIMITED_SELECT */ +# if defined(__LP64__) && !__DARWIN_NON_CANCELABLE + __DARWIN_1050(pselect) +# else /* !__LP64__ || __DARWIN_NON_CANCELABLE */ + __DARWIN_ALIAS_C(pselect) +# endif /* __LP64__ && !__DARWIN_NON_CANCELABLE */ +#endif /* _DARWIN_C_SOURCE || _DARWIN_UNLIMITED_SELECT */ + ; +#endif /* __MWERKS__ */ + +#include /* select() prototype */ + +__END_DECLS + +#endif /* ! KERNEL */ + #endif /* !_SYS_SELECT_H_ */