1 | /* |
2 | * Copyright (c) 2020 Apple 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 | |
29 | #ifndef _SYS_PROC_REQUIRE_H_ |
30 | #define _SYS_PROC_REQUIRE_H_ |
31 | |
32 | typedef struct proc * proc_t; |
33 | |
34 | /* Used by proc_require for validation of proc zone */ |
35 | __options_closed_decl(proc_require_flags_t, unsigned int, { |
36 | PROC_REQUIRE_ALLOW_ALL = 0x0, //always on, allow non null proc |
37 | PROC_REQUIRE_ALLOW_NULL = 0x1, |
38 | }); |
39 | |
40 | /* validates that 'proc' comes from within the proc zone */ |
41 | void proc_require(proc_t proc, proc_require_flags_t flags); |
42 | |
43 | #endif // _SYS_PROC_REQUIRE_H_ |
44 | |