X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/8ad349bb6ed4a0be06e34c92be0d98b92e078db4..c18c124eaa464aaaa5549e99e5a70fc9cbb50944:/bsd/sys/select.h?ds=sidebyside diff --git a/bsd/sys/select.h b/bsd/sys/select.h index 628c3867a..a4c33d0c8 100644 --- a/bsd/sys/select.h +++ b/bsd/sys/select.h @@ -1,31 +1,29 @@ /* - * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved. + * Copyright (c) 2000-2005 Apple Computer, Inc. All rights reserved. + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * @APPLE_LICENSE_OSREFERENCE_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. * - * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT. - * Please see the License for the specific language governing rights and + * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and * limitations under the License. - * - * @APPLE_LICENSE_OSREFERENCE_HEADER_END@ + * + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1992, 1993 @@ -69,46 +67,29 @@ #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 @@ -116,35 +97,15 @@ 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? */ +#include +#include +#include +#include +#include -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 */ - -#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 @@ -176,33 +137,37 @@ struct selinfo; __BEGIN_DECLS +extern int selwait; void selrecord(proc_t selector, struct selinfo *, void *); void selwakeup(struct selinfo *); void selthreadclear(struct selinfo *); __END_DECLS -#endif /* KERNEL */ - - -#ifndef KERNEL -#ifndef _POSIX_C_SOURCE -#include -#ifndef __MWERKS__ -#include -#endif /* __MWERKS__ */ -#include -#endif /* !_POSIX_C_SOURCE */ +#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); + 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__ */ -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_ */