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