| 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 | |