X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/6601e61aa18bf4f09af135ff61fc7f4771d23b06..c910b4d9d2451126ae3917b931cd4390c11e1d52:/bsd/sys/pipe.h diff --git a/bsd/sys/pipe.h b/bsd/sys/pipe.h index c999c7dbf..a13a27598 100644 --- a/bsd/sys/pipe.h +++ b/bsd/sys/pipe.h @@ -1,23 +1,29 @@ /* * Copyright (c) 2004-2005 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) 1996 John S. Dyson @@ -41,6 +47,12 @@ * * $FreeBSD: src/sys/sys/pipe.h,v 1.24 2003/08/13 20:01:38 alc Exp $ */ +/* + * NOTICE: This file was modified by SPARTA, Inc. in 2006 to introduce + * support for mandatory and extensible security protections. This notice + * is included in support of clause 2.2 (b) of the Apple Public License, + * Version 2.0. + */ #ifndef _SYS_PIPE_H_ #define _SYS_PIPE_H_ @@ -121,6 +133,9 @@ struct pipemapping { #define PIPE_KNOTE 0x1000 /* Pipe has kernel events activated */ #ifdef KERNEL + +struct label; + /* * Per-pipe data structure. * Two of these are linked together to produce bi-directional pipes. @@ -135,11 +150,12 @@ struct pipe { struct pipe *pipe_peer; /* link with other direction */ u_int pipe_state; /* pipe status info */ int pipe_busy; /* busy flag, mostly to handle rundown sanely */ -#ifdef MAC - struct label *pipe_label; /* pipe MAC label - shared */ -#endif TAILQ_HEAD(,eventqelt) pipe_evlist; lck_mtx_t *pipe_mtxp; /* shared mutex between both pipes */ + struct timespec st_atimespec; /* time of last access */ + struct timespec st_mtimespec; /* time of last data modification */ + struct timespec st_ctimespec; /* time of last status change */ + struct label *pipe_label; /* pipe MAC label - shared */ }; #define PIPE_MTX(pipe) ((pipe)->pipe_mtxp) @@ -149,7 +165,8 @@ struct pipe { #define PIPE_LOCK_ASSERT(pipe, type) lck_mtx_assert(PIPE_MTX(pipe), (type)) __BEGIN_DECLS -extern int pipe_stat(struct pipe *, struct stat *); +void pipeinit(void); +extern int pipe_stat(struct pipe *, void *, int); __END_DECLS #endif /* KERNEL */