X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/9bccf70c0258c7cac2dcb80011b2a964d884c552..4ba76501152d51ccb5647018f3192c6096367d48:/bsd/sys/select.h diff --git a/bsd/sys/select.h b/bsd/sys/select.h index 8c67dc5c5..2fb516833 100644 --- a/bsd/sys/select.h +++ b/bsd/sys/select.h @@ -1,23 +1,29 @@ /* - * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. + * 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 @@ -55,46 +61,111 @@ */ #ifndef _SYS_SELECT_H_ -#define _SYS_SELECT_H_ +#define _SYS_SELECT_H_ #include +#include +#include -#ifdef __APPLE_API_UNSTABLE +/* + * [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 -__BEGIN_DECLS +/* + * The time_t and suseconds_t types shall be defined as described in + * + * The sigset_t type shall be defined as described in + */ +#include +#include +#include + +/* + * [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. + */ +#include +#include +#include +#include +#include + +#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE) +#include +#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */ #ifdef KERNEL -#include -#endif +#include +#include +#include /* * Used to maintain information about processes that wish to be * notified when I/O becomes possible. */ +#ifdef KERNEL_PRIVATE struct selinfo { -#ifdef KERNEL - struct wait_queue wait_queue; /* wait_queue for wait/wakeup */ + 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_KNPOSTING 0x0020 /* posting to knotes */ + #else - char wait_queue[16]; +struct selinfo; #endif - 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 */ +__BEGIN_DECLS -#ifdef KERNEL -struct proc; +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__ */ -void selrecord __P((struct proc *selector, struct selinfo *, void *)); -void selwakeup __P((struct selinfo *)); -void selthreadclear __P((struct selinfo *)); -#endif /* KERNEL */ +#include /* select() prototype */ __END_DECLS -#endif /* __APPLE_API_UNSTABLE */ +#endif /* ! KERNEL */ #endif /* !_SYS_SELECT_H_ */