/* * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ */ /* * File: kern/task_swap.c * * Task residency management primitives implementation. */ #include <mach_assert.h> #include <task_swapper.h> #include <kern/spl.h> #include <kern/lock.h> #include <kern/queue.h> #include <kern/host.h> #include <kern/task.h> #include <kern/task_swap.h> #include <kern/thread.h> #include <kern/host_statistics.h> #include <kern/misc_protos.h> #include <kern/assert.h> #include <mach/policy.h> #include <ipc/ipc_port.h> /* We use something from in here */ /* * task_swappable: [exported] * * Make a task swappable or non-swappable. If made non-swappable, * it will be swapped in. */ kern_return_t task_swappable( host_priv_t host_priv, task_t task, __unused boolean_t make_swappable) { if (host_priv == HOST_PRIV_NULL) return (KERN_INVALID_ARGUMENT); if (task == TASK_NULL) return (KERN_INVALID_ARGUMENT); /* * We don't support swapping, this call is purely advisory. */ return (KERN_SUCCESS); }