1*e7776783SApple OSS Distributions /*
2*e7776783SApple OSS Distributions * Copyright (c) 2020 Apple Inc. All rights reserved.
3*e7776783SApple OSS Distributions *
4*e7776783SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*e7776783SApple OSS Distributions *
6*e7776783SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*e7776783SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*e7776783SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*e7776783SApple OSS Distributions * compliance with the License. The rights granted to you under the License
10*e7776783SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of,
11*e7776783SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to
12*e7776783SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any
13*e7776783SApple OSS Distributions * terms of an Apple operating system software license agreement.
14*e7776783SApple OSS Distributions *
15*e7776783SApple OSS Distributions * Please obtain a copy of the License at
16*e7776783SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*e7776783SApple OSS Distributions *
18*e7776783SApple OSS Distributions * The Original Code and all software distributed under the License are
19*e7776783SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*e7776783SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*e7776783SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*e7776783SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*e7776783SApple OSS Distributions * Please see the License for the specific language governing rights and
24*e7776783SApple OSS Distributions * limitations under the License.
25*e7776783SApple OSS Distributions *
26*e7776783SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*e7776783SApple OSS Distributions */
28*e7776783SApple OSS Distributions
29*e7776783SApple OSS Distributions #undef _task_user_
30*e7776783SApple OSS Distributions #include <mach/task_internal.h>
31*e7776783SApple OSS Distributions
32*e7776783SApple OSS Distributions extern mach_port_t mach_task_self_;
33*e7776783SApple OSS Distributions
34*e7776783SApple OSS Distributions boolean_t
mach_task_is_self(task_name_t task)35*e7776783SApple OSS Distributions mach_task_is_self(task_name_t task)
36*e7776783SApple OSS Distributions {
37*e7776783SApple OSS Distributions boolean_t is_self;
38*e7776783SApple OSS Distributions kern_return_t kr;
39*e7776783SApple OSS Distributions
40*e7776783SApple OSS Distributions if (task == mach_task_self_) {
41*e7776783SApple OSS Distributions return TRUE;
42*e7776783SApple OSS Distributions }
43*e7776783SApple OSS Distributions
44*e7776783SApple OSS Distributions kr = _kernelrpc_mach_task_is_self(task, &is_self);
45*e7776783SApple OSS Distributions
46*e7776783SApple OSS Distributions return kr == KERN_SUCCESS && is_self;
47*e7776783SApple OSS Distributions }
48