| | 1 | /* |
| | 2 | * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 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. |
| | 14 | * |
| | 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 |
| | 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 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. |
| | 25 | * |
| | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| | 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> |
| | 40 | #include <kern/lock.h> |
| | 41 | #include <kern/queue.h> |
| | 42 | #include <kern/host.h> |
| | 43 | #include <kern/task.h> |
| | 44 | #include <kern/task_swap.h> |
| | 45 | #include <kern/thread.h> |
| | 46 | #include <kern/host_statistics.h> |
| | 47 | #include <kern/misc_protos.h> |
| | 48 | #include <kern/assert.h> |
| | 49 | #include <mach/policy.h> |
| | 50 | |
| | 51 | #include <ipc/ipc_port.h> /* We use something from in here */ |
| | 52 | |
| | 53 | /* |
| | 54 | * task_swappable: [exported] |
| | 55 | * |
| | 56 | * Make a task swappable or non-swappable. If made non-swappable, |
| | 57 | * it will be swapped in. |
| | 58 | */ |
| | 59 | kern_return_t |
| | 60 | task_swappable( |
| | 61 | host_priv_t host_priv, |
| | 62 | task_t task, |
| | 63 | __unused boolean_t make_swappable) |
| | 64 | { |
| | 65 | if (host_priv == HOST_PRIV_NULL) |
| | 66 | return (KERN_INVALID_ARGUMENT); |
| | 67 | |
| | 68 | if (task == TASK_NULL) |
| | 69 | return (KERN_INVALID_ARGUMENT); |
| | 70 | |
| | 71 | /* |
| | 72 | * We don't support swapping, this call is purely advisory. |
| | 73 | */ |
| | 74 | return (KERN_SUCCESS); |
| | 75 | } |
projects / apple / xnu.git / blame_incremental