]> git.saurik.com Git - apple/xnu.git/blame - osfmk/kern/ktrace_background_notify.c
xnu-6153.61.1.tar.gz
[apple/xnu.git] / osfmk / kern / ktrace_background_notify.c
CommitLineData
1c79356b 1/*
3e170ce0 2 * Copyright (c) 2015 Apple Inc. All rights reserved.
1c79356b 3 *
2d21ac55 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
3e170ce0 5 *
2d21ac55
A
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.
3e170ce0 14 *
2d21ac55
A
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
3e170ce0 17 *
2d21ac55
A
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
8f6c56a5
A
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55
A
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.
3e170ce0 25 *
2d21ac55 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b 27 */
1c79356b 28
39037602
A
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>
3e170ce0 34
39037602 35#include <mach/ktrace_background.h>
3e170ce0 36
39037602 37kern_return_t ktrace_background_available_notify_user(void);
1c79356b 38
3e170ce0 39/*
39037602 40 * If user space has registered for background notifications, send one.
1c79356b 41 */
39037602
A
42kern_return_t
43ktrace_background_available_notify_user(void)
44{
45 mach_port_t user_port;
46 kern_return_t kr;
3e170ce0 47
39037602
A
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(user_port);
54 ipc_port_release_send(user_port);
55 return kr;
56}