1 | /* $NetBSD: kern_time_60.c,v 1.1 2013/03/29 01:02:50 christos Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2013 The NetBSD Foundation, Inc. |
5 | * All rights reserved. |
6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Christos Zoulas. |
9 | * |
10 | * Redistribution and use in source and binary forms, with or without |
11 | * modification, are permitted provided that the following conditions |
12 | * are met: |
13 | * 1. Redistributions of source code must retain the above copyright |
14 | * notice, this list of conditions and the following disclaimer. |
15 | * 2. Redistributions in binary form must reproduce the above copyright |
16 | * notice, this list of conditions and the following disclaimer in the |
17 | * documentation and/or other materials provided with the distribution. |
18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
29 | * POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
31 | #include <sys/cdefs.h> |
32 | __KERNEL_RCSID(0, "$NetBSD: kern_time_60.c,v 1.1 2013/03/29 01:02:50 christos Exp $" ); |
33 | |
34 | #include <sys/param.h> |
35 | #include <sys/systm.h> |
36 | #include <sys/lwp.h> |
37 | #include <sys/time.h> |
38 | #include <sys/sysctl.h> |
39 | #include <sys/syscallargs.h> |
40 | |
41 | #include <compat/common/compat_util.h> |
42 | #include <compat/common/compat_mod.h> |
43 | |
44 | int |
45 | compat_60_sys__lwp_park(struct lwp *l, |
46 | const struct compat_60_sys__lwp_park_args *uap, register_t *retval) |
47 | { |
48 | /* { |
49 | syscallarg(const struct timespec *) ts; |
50 | syscallarg(lwpid_t) unpark; |
51 | syscallarg(const void *) hint; |
52 | syscallarg(const void *) unparkhint; |
53 | } */ |
54 | |
55 | int error; |
56 | struct timespec ts, *tsp; |
57 | |
58 | if (SCARG(uap, ts) == NULL) |
59 | tsp = NULL; |
60 | else { |
61 | error = copyin(SCARG(uap, ts), &ts, sizeof(ts)); |
62 | if (error != 0) |
63 | return error; |
64 | tsp = &ts; |
65 | } |
66 | |
67 | if (SCARG(uap, unpark) != 0) { |
68 | error = lwp_unpark(SCARG(uap, unpark), SCARG(uap, unparkhint)); |
69 | if (error != 0) |
70 | return error; |
71 | } |
72 | |
73 | return lwp_park(CLOCK_REALTIME, TIMER_ABSTIME, tsp, SCARG(uap, hint)); |
74 | } |
75 | |