1/*
2 * Copyright (c) 2009 Apple 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#ifndef VM_PRESSURE_H
30#define VM_PRESSURE_H
31
32#include <sys/queue.h>
33#include <sys/event.h>
34
35void vm_pressure_init(lck_grp_t *grp, lck_attr_t *attr);
36
37int vm_knote_register(struct knote *);
38void vm_knote_unregister(struct knote *);
39
40void consider_vm_pressure_events(void);
41void vm_pressure_proc_cleanup(proc_t);
42
43#if CONFIG_MEMORYSTATUS && CONFIG_JETSAM
44void vm_find_pressure_foreground_candidates(void);
45void vm_find_pressure_candidate(void);
46boolean_t vm_dispatch_pressure_note_to_pid(pid_t pid, boolean_t locked);
47#endif /* CONFIG_MEMORYSTATUS && CONFIG_JETSAM */
48
49#endif /* VM_PRESSURE_H */
50