xref: /xnu-8020.140.41/bsd/kern/sys_eventlink.c (revision 27b03b360a988dfd3dfdf34262bb0042026747cc)
1*27b03b36SApple OSS Distributions /*
2*27b03b36SApple OSS Distributions  * Copyright (c) 2000-2019 Apple Inc. All rights reserved.
3*27b03b36SApple OSS Distributions  *
4*27b03b36SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*27b03b36SApple OSS Distributions  *
6*27b03b36SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*27b03b36SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*27b03b36SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*27b03b36SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*27b03b36SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*27b03b36SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*27b03b36SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*27b03b36SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*27b03b36SApple OSS Distributions  *
15*27b03b36SApple OSS Distributions  * Please obtain a copy of the License at
16*27b03b36SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*27b03b36SApple OSS Distributions  *
18*27b03b36SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*27b03b36SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*27b03b36SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*27b03b36SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*27b03b36SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*27b03b36SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*27b03b36SApple OSS Distributions  * limitations under the License.
25*27b03b36SApple OSS Distributions  *
26*27b03b36SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*27b03b36SApple OSS Distributions  */
28*27b03b36SApple OSS Distributions 
29*27b03b36SApple OSS Distributions #include <sys/param.h>
30*27b03b36SApple OSS Distributions #include <sys/kernel.h>
31*27b03b36SApple OSS Distributions #include <sys/kernel_types.h>
32*27b03b36SApple OSS Distributions #include <sys/sysproto.h>
33*27b03b36SApple OSS Distributions #include <mach/mach_types.h>
34*27b03b36SApple OSS Distributions #include <mach/mach_eventlink_types.h>
35*27b03b36SApple OSS Distributions 
36*27b03b36SApple OSS Distributions extern uint64_t
37*27b03b36SApple OSS Distributions mach_eventlink_signal_trap(
38*27b03b36SApple OSS Distributions 	mach_port_name_t port,
39*27b03b36SApple OSS Distributions 	uint64_t         signal_count __unused);
40*27b03b36SApple OSS Distributions 
41*27b03b36SApple OSS Distributions extern uint64_t
42*27b03b36SApple OSS Distributions mach_eventlink_wait_until_trap(
43*27b03b36SApple OSS Distributions 	mach_port_name_t                    eventlink_port,
44*27b03b36SApple OSS Distributions 	uint64_t                            wait_count,
45*27b03b36SApple OSS Distributions 	mach_eventlink_signal_wait_option_t option,
46*27b03b36SApple OSS Distributions 	kern_clock_id_t                     clock_id,
47*27b03b36SApple OSS Distributions 	uint64_t                            deadline);
48*27b03b36SApple OSS Distributions 
49*27b03b36SApple OSS Distributions extern uint64_t
50*27b03b36SApple OSS Distributions mach_eventlink_signal_wait_until_trap(
51*27b03b36SApple OSS Distributions 	mach_port_name_t                    eventlink_port,
52*27b03b36SApple OSS Distributions 	uint64_t                            wait_count,
53*27b03b36SApple OSS Distributions 	uint64_t                            signal_count __unused,
54*27b03b36SApple OSS Distributions 	mach_eventlink_signal_wait_option_t option,
55*27b03b36SApple OSS Distributions 	kern_clock_id_t                     clock_id,
56*27b03b36SApple OSS Distributions 	uint64_t                            deadline);
57*27b03b36SApple OSS Distributions 
58*27b03b36SApple OSS Distributions int
mach_eventlink_signal(__unused proc_t p,struct mach_eventlink_signal_args * uap,uint64_t * retval)59*27b03b36SApple OSS Distributions mach_eventlink_signal(
60*27b03b36SApple OSS Distributions 	__unused proc_t p,
61*27b03b36SApple OSS Distributions 	struct mach_eventlink_signal_args *uap,
62*27b03b36SApple OSS Distributions 	uint64_t *retval)
63*27b03b36SApple OSS Distributions {
64*27b03b36SApple OSS Distributions 	*retval = mach_eventlink_signal_trap(uap->eventlink_port, uap->signal_count);
65*27b03b36SApple OSS Distributions 	return 0;
66*27b03b36SApple OSS Distributions }
67*27b03b36SApple OSS Distributions 
68*27b03b36SApple OSS Distributions int
mach_eventlink_wait_until(__unused proc_t p,struct mach_eventlink_wait_until_args * uap,uint64_t * retval)69*27b03b36SApple OSS Distributions mach_eventlink_wait_until(
70*27b03b36SApple OSS Distributions 	__unused proc_t p,
71*27b03b36SApple OSS Distributions 	struct mach_eventlink_wait_until_args *uap,
72*27b03b36SApple OSS Distributions 	uint64_t *retval)
73*27b03b36SApple OSS Distributions {
74*27b03b36SApple OSS Distributions 	*retval = mach_eventlink_wait_until_trap(uap->eventlink_port, uap->wait_count,
75*27b03b36SApple OSS Distributions 	    uap->option, uap->clock_id, uap->deadline);
76*27b03b36SApple OSS Distributions 	return 0;
77*27b03b36SApple OSS Distributions }
78*27b03b36SApple OSS Distributions 
79*27b03b36SApple OSS Distributions int
mach_eventlink_signal_wait_until(__unused proc_t p,struct mach_eventlink_signal_wait_until_args * uap,uint64_t * retval)80*27b03b36SApple OSS Distributions mach_eventlink_signal_wait_until(
81*27b03b36SApple OSS Distributions 	__unused proc_t p,
82*27b03b36SApple OSS Distributions 	struct mach_eventlink_signal_wait_until_args *uap,
83*27b03b36SApple OSS Distributions 	uint64_t *retval)
84*27b03b36SApple OSS Distributions {
85*27b03b36SApple OSS Distributions 	*retval = mach_eventlink_signal_wait_until_trap(uap->eventlink_port, uap->wait_count,
86*27b03b36SApple OSS Distributions 	    uap->signal_count, uap->option, uap->clock_id, uap->deadline);
87*27b03b36SApple OSS Distributions 	return 0;
88*27b03b36SApple OSS Distributions }
89