projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b | 1 | /* |
| 91447636 | 2 | * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. |
| 1c79356b | 3 | * |
| 2d21ac55 | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| 1c79356b | 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. | |
| 8f6c56a5 | 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. | |
| 17 | * | |
| 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. | |
| 8f6c56a5 | 25 | * |
| 2d21ac55 | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| 1c79356b A |
27 | */ |
| 28 | /* | |
| 29 | * @OSF_COPYRIGHT@ | |
| 30 | */ | |
| 31 | /* | |
| 32 | * File: kern/task_swap.c | |
| 33 | * | |
| 34 | * Task residency management primitives implementation. | |
| 35 | */ | |
| 36 | #include <mach_assert.h> | |
| 37 | #include <task_swapper.h> | |
| 38 | ||
| 39 | #include <kern/spl.h> | |
| 1c79356b A |
40 | #include <kern/queue.h> |
| 41 | #include <kern/host.h> | |
| 42 | #include <kern/task.h> | |
| 43 | #include <kern/task_swap.h> | |
| 44 | #include <kern/thread.h> | |
| 1c79356b A |
45 | #include <kern/host_statistics.h> |
| 46 | #include <kern/misc_protos.h> | |
| 47 | #include <kern/assert.h> | |
| 48 | #include <mach/policy.h> | |
| 49 | ||
| 50 | #include <ipc/ipc_port.h> /* We use something from in here */ | |
| 51 | ||
| 1c79356b A |
52 | /* |
| 53 | * task_swappable: [exported] | |
| 54 | * | |
| 55 | * Make a task swappable or non-swappable. If made non-swappable, | |
| 56 | * it will be swapped in. | |
| 1c79356b A |
57 | */ |
| 58 | kern_return_t | |
| 59 | task_swappable( | |
| 60 | host_priv_t host_priv, | |
| 61 | task_t task, | |
| 91447636 | 62 | __unused boolean_t make_swappable) |
| 1c79356b A |
63 | { |
| 64 | if (host_priv == HOST_PRIV_NULL) | |
| 55e303ae | 65 | return (KERN_INVALID_ARGUMENT); |
| 1c79356b A |
66 | |
| 67 | if (task == TASK_NULL) | |
| 55e303ae | 68 | return (KERN_INVALID_ARGUMENT); |
| 1c79356b | 69 | |
| 1c79356b | 70 | /* |
| 55e303ae | 71 | * We don't support swapping, this call is purely advisory. |
| 1c79356b | 72 | */ |
| 55e303ae | 73 | return (KERN_SUCCESS); |
| 1c79356b | 74 | } |