1 | /* |
2 | * Copyright (c) 2015 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 | #include <mach/mach_types.h> |
30 | #include <mach/host_special_ports.h> |
31 | #include <mach/host_priv.h> |
32 | #include <ipc/ipc_port.h> |
33 | #include <kern/host.h> |
34 | |
35 | #include <mach/ktrace_background.h> |
36 | |
37 | kern_return_t ktrace_background_available_notify_user(void); |
38 | |
39 | /* |
40 | * If user space has registered for background notifications, send one. |
41 | */ |
42 | kern_return_t |
43 | ktrace_background_available_notify_user(void) |
44 | { |
45 | mach_port_t user_port; |
46 | kern_return_t kr; |
47 | |
48 | kr = host_get_ktrace_background_port(host_priv_self(), &user_port); |
49 | if (kr != KERN_SUCCESS || !IPC_PORT_VALID(user_port)) { |
50 | return KERN_FAILURE; |
51 | } |
52 | |
53 | kr = send_ktrace_background_available(ktrace_background_port: user_port); |
54 | ipc_port_release_send(port: user_port); |
55 | return kr; |
56 | } |
57 | |