xref: /xnu-11215/bsd/sys/file.h (revision 8d741a5d)
1 /*
2  * Copyright (c) 2000-2008 Apple Computer, Inc. All rights reserved.
3  *
4  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5  *
6  * This file contains Original Code and/or Modifications of Original Code
7  * as defined in and that are subject to the Apple Public Source License
8  * Version 2.0 (the 'License'). You may not use this file except in
9  * compliance with the License. The rights granted to you under the License
10  * may not be used to create, or enable the creation or redistribution of,
11  * unlawful or unlicensed copies of an Apple operating system, or to
12  * circumvent, violate, or enable the circumvention or violation of, any
13  * terms of an Apple operating system software license agreement.
14  *
15  * Please obtain a copy of the License at
16  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17  *
18  * The Original Code and all software distributed under the License are
19  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23  * Please see the License for the specific language governing rights and
24  * limitations under the License.
25  *
26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27  */
28 /* Copyright (c) 1995, 1997 Apple Computer, Inc. All Rights Reserved */
29 /*
30  * Copyright (c) 1982, 1986, 1989, 1993
31  *	The Regents of the University of California.  All rights reserved.
32  *
33  * Redistribution and use in source and binary forms, with or without
34  * modification, are permitted provided that the following conditions
35  * are met:
36  * 1. Redistributions of source code must retain the above copyright
37  *    notice, this list of conditions and the following disclaimer.
38  * 2. Redistributions in binary form must reproduce the above copyright
39  *    notice, this list of conditions and the following disclaimer in the
40  *    documentation and/or other materials provided with the distribution.
41  * 3. All advertising materials mentioning features or use of this software
42  *    must display the following acknowledgement:
43  *	This product includes software developed by the University of
44  *	California, Berkeley and its contributors.
45  * 4. Neither the name of the University nor the names of its contributors
46  *    may be used to endorse or promote products derived from this software
47  *    without specific prior written permission.
48  *
49  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
50  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
51  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
52  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
53  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
54  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
55  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
56  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
57  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
58  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
59  * SUCH DAMAGE.
60  *
61  *	@(#)file.h	8.3 (Berkeley) 1/9/95
62  */
63 
64 #ifndef _SYS_FILE_H_
65 #define _SYS_FILE_H_
66 
67 #include <sys/appleapiopts.h>
68 #include <sys/types.h>
69 #include <sys/fcntl.h>
70 #include <sys/unistd.h>
71 #include <sys/queue.h>
72 #include <sys/cdefs.h>
73 
74 #ifdef KERNEL
75 #include <sys/queue.h>
76 #include <sys/kernel_types.h>
77 #include <sys/uio.h>
78 #endif
79 
80 #ifndef _KAUTH_CRED_T
81 #define _KAUTH_CRED_T
82 struct ucred;
83 typedef struct ucred *kauth_cred_t;
84 struct posix_cred;
85 typedef struct posix_cred *posix_cred_t;
86 #endif  /* !_KAUTH_CRED_T */
87 
88 __BEGIN_DECLS
89 #ifdef KERNEL
90 int file_socket(int, socket_t *);
91 int file_vnode(int, vnode_t *);
92 int file_vnode_withvid(int, vnode_t *, uint32_t *);
93 int file_flags(int, int *);
94 int file_drop(int);
95 #endif /* KERNEL */
96 
97 #ifdef KERNEL_PRIVATE
98 struct fileglob;
99 struct fileproc;
100 struct vnode;
101 int fp_getfvp(struct proc *p, int fd, struct fileproc **resultfp, struct vnode  **resultvp);
102 int fp_get_pipe_id(proc_t p, int fd, uint64_t *result_pipe_id);
103 struct vnode *fg_get_vnode(struct fileglob *fg);
104 void generate_file_permissions_guard_exception(unsigned int code_target, int64_t subcode);
105 #define GEN_FILEPERM_EXCEPTION 1
106 #endif  /* KERNEL_PRIVATE */
107 __END_DECLS
108 #endif /* !_SYS_FILE_H_ */
109