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1/*
2 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
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6 * The contents of this file constitute Original Code as defined in and
7 * are subject to the Apple Public Source License Version 1.1 (the
8 * "License"). You may not use this file except in compliance with the
9 * License. Please obtain a copy of the License at
10 * http://www.apple.com/publicsource and read it before using this file.
1c79356b 11 *
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12 * This Original Code and all software distributed under the License are
13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
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14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17 * License for the specific language governing rights and limitations
18 * under the License.
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19 *
20 * @APPLE_LICENSE_HEADER_END@
21 */
22/*
23 * @OSF_COPYRIGHT@
24 */
25/*
26 * File: mach/clock.defs
27 * Purpose: Kernel clock subsystem definitions. This
28 * file defines the clock request interface.
29 */
30
31subsystem
32#if KERNEL_SERVER
33 KernelServer
34#endif /* KERNEL_SERVER */
35 clock 1000;
36
37#include <mach/std_types.defs>
38#include <mach/mach_types.defs>
39#include <mach/clock_types.defs>
40
41/*
42 * References to clock objects are returned by:
43 * host_get_clock_service(host_t,...)
44 * host_get_clock_control(host_priv_t,...) - Priviledged subclass
45 */
46
47/*
48 * Get the clock time.
49 * Available to all.
50 */
51routine clock_get_time(
52 clock_serv : clock_serv_t;
53 out cur_time : mach_timespec_t);
54
55/*
56 * Get clock attributes.
57 * Available to all.
58 */
59routine clock_get_attributes(
60 clock_serv : clock_serv_t;
61 in flavor : clock_flavor_t;
62 out clock_attr : clock_attr_t, CountInOut);
63
64/*
65 * Setup a clock alarm.
66 * Available to all.
67 */
68routine clock_alarm(
69 clock_serv : clock_serv_t;
70 alarm_type : alarm_type_t;
71 alarm_time : mach_timespec_t;
72 alarm_port : clock_reply_t =
73 MACH_MSG_TYPE_MAKE_SEND_ONCE|polymorphic);