X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/6601e61aa18bf4f09af135ff61fc7f4771d23b06..4ba76501152d51ccb5647018f3192c6096367d48:/bsd/sys/select.h diff --git a/bsd/sys/select.h b/bsd/sys/select.h index 1bcd93484..2fb516833 100644 --- a/bsd/sys/select.h +++ b/bsd/sys/select.h @@ -1,23 +1,29 @@ /* * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. * - * @APPLE_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 Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ + * + * 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. + * + * 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. - * - * @APPLE_LICENSE_HEADER_END@ + * 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_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1992, 1993 @@ -55,52 +61,35 @@ */ #ifndef _SYS_SELECT_H_ -#define _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. + */ +#include +#include +#include + /* * The time_t and suseconds_t types shall be defined as described in * * The sigset_t type shall be defined as described in - * The timespec structure 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 - -#ifndef _TIMESPEC -#define _TIMESPEC -struct timespec { - time_t tv_sec; - long tv_nsec; -}; -#endif +#include +#include +#include /* - * [XSI] The header shall define the fd_set type as a structure. * [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 - * - * Note: We use _FD_SET to protect all select related - * types and macros */ -#ifndef _FD_SET -#define _FD_SET /* * Select uses bit masks of file descriptors in longs. These macros @@ -108,42 +97,19 @@ struct timespec { * extra protection here is to permit application redefinition above * the default size. */ -#ifndef FD_SETSIZE -#define FD_SETSIZE 1024 -#endif - -#define __DARWIN_NBBY 8 /* bits in a byte */ -#define __DARWIN_NFDBITS (sizeof(__int32_t) * __DARWIN_NBBY) /* bits per mask */ -#define __DARWIN_howmany(x, y) (((x) + ((y) - 1)) / (y)) /* # y's == x bits? */ - -typedef struct fd_set { - __int32_t fds_bits[__DARWIN_howmany(FD_SETSIZE, __DARWIN_NFDBITS)]; -} fd_set; - -#define FD_SET(n, p) ((p)->fds_bits[(n)/__DARWIN_NFDBITS] |= (1<<((n) % __DARWIN_NFDBITS))) -#define FD_CLR(n, p) ((p)->fds_bits[(n)/__DARWIN_NFDBITS] &= ~(1<<((n) % __DARWIN_NFDBITS))) -#define FD_ISSET(n, p) ((p)->fds_bits[(n)/__DARWIN_NFDBITS] & (1<<((n) % __DARWIN_NFDBITS))) -#if __GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ >= 3 -/* - * Use the built-in bzero function instead of the library version so that - * we do not pollute the namespace or introduce prototype warnings. - */ -#define FD_ZERO(p) __builtin_bzero(p, sizeof(*(p))) -#else -#define FD_ZERO(p) bzero(p, sizeof(*(p))) -#endif -#ifndef _POSIX_C_SOURCE -#define FD_COPY(f, t) bcopy(f, t, sizeof(*(f))) -#endif /* !_POSIX_C_SOURCE */ +#include +#include +#include +#include +#include -#endif /* !_FD_SET */ +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#include +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ #ifdef KERNEL -#ifdef KERNEL_PRIVATE -#include -#endif #include - +#include #include /* @@ -152,15 +118,16 @@ typedef struct fd_set { */ #ifdef KERNEL_PRIVATE struct selinfo { - struct wait_queue si_wait_queue; /* wait_queue for wait/wakeup */ - struct klist si_note; /* JMM - temporary separation */ - u_int si_flags; /* see below */ + struct waitq si_waitq; /* waitq for wait/wakeup */ + struct klist si_note; /* JMM - temporary separation */ + u_int si_flags; /* see below */ }; -#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 */ +#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 */ +#define SI_KNPOSTING 0x0020 /* posting to knotes */ #else struct selinfo; @@ -168,33 +135,37 @@ struct selinfo; __BEGIN_DECLS -void selrecord(proc_t selector, struct selinfo *, void *); -void selwakeup(struct selinfo *); -void selthreadclear(struct selinfo *); +extern int selwait; +void selrecord(proc_t selector, struct selinfo *, void *); +void selwakeup(struct selinfo *); +void selthreadclear(struct selinfo *); __END_DECLS -#endif /* KERNEL */ +#else /* !KERNEL */ +__BEGIN_DECLS -#ifndef KERNEL -#ifndef _POSIX_C_SOURCE -#include #ifndef __MWERKS__ -#include +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 -#endif /* !_POSIX_C_SOURCE */ -__BEGIN_DECLS -#ifndef __MWERKS__ -int pselect(int, fd_set * __restrict, fd_set * __restrict, - fd_set * __restrict, const struct timespec * __restrict, - const sigset_t * __restrict); -#endif /* __MWERKS__ */ -int select(int, fd_set * __restrict, fd_set * __restrict, - fd_set * __restrict, struct timeval * __restrict); +#include /* select() prototype */ + __END_DECLS + #endif /* ! KERNEL */ #endif /* !_SYS_SELECT_H_ */