X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/d7e50217d7adf6e52786a38bcaa4cd698cb9a79e..91447636331957f3d9b5ca5b508f07c526b0074d:/bsd/sys/poll.h diff --git a/bsd/sys/poll.h b/bsd/sys/poll.h index 281cac737..7c1077722 100644 --- a/bsd/sys/poll.h +++ b/bsd/sys/poll.h @@ -1,24 +1,21 @@ /* - * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * - * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. + * 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. 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 + * This 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. + * 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@ */ @@ -54,9 +51,6 @@ #ifndef _SYS_POLL_H_ #define _SYS_POLL_H_ -#include - -#ifdef __APPLE_API_PRIVATE /* * This file is intended to be compatable with the traditional poll.h. */ @@ -64,12 +58,6 @@ /* * Requestable events. If poll(2) finds any of these set, they are * copied to revents on return. - * XXX Note that FreeBSD doesn't make much distinction between POLLPRI - * and POLLRDBAND since none of the file types have distinct priority - * bands - and only some have an urgent "mode". - * XXX Note POLLIN isn't really supported in true SVSV terms. Under SYSV - * POLLIN includes all of normal, band and urgent data. Most poll handlers - * on FreeBSD only treat it as "normal" data. */ #define POLLIN 0x0001 /* any readable data available */ #define POLLPRI 0x0002 /* OOB/Urgent readable data */ @@ -81,7 +69,7 @@ /* * FreeBSD extensions: polling on a regular file might return one - * of these events (currently only supported on UFS). + * of these events (currently only supported on local filesystems). */ #define POLLEXTEND 0x0200 /* file may have been extended */ #define POLLATTRIB 0x0400 /* file attributes may have changed */ @@ -99,6 +87,29 @@ #define POLLSTANDARD (POLLIN|POLLPRI|POLLOUT|POLLRDNORM|POLLRDBAND|\ POLLWRBAND|POLLERR|POLLHUP|POLLNVAL) -#endif /* __APPLE_API_PRIVATE */ +struct pollfd +{ + int fd; + short events; + short revents; +}; + +typedef unsigned int nfds_t; + +#if !defined(KERNEL) + +#include + +__BEGIN_DECLS + +/* + * This is defined here (instead of ) because this is where + * traditional SVR4 code will look to find it. + */ +extern int poll (struct pollfd *, nfds_t, int); + +__END_DECLS + +#endif /* !KERNEL */ #endif /* !_SYS_POLL_H_ */