vm_pressure.h   [plain text]


/*
 * Copyright (c) 2009 Apple Inc. All rights reserved.
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 * @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
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 * 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
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#ifndef VM_PRESSURE_H
#define VM_PRESSURE_H

#include <sys/queue.h>
#include <sys/event.h>

void vm_pressure_init(lck_grp_t *grp, lck_attr_t *attr);

int vm_knote_register(struct knote *);
void vm_knote_unregister(struct knote *);

void consider_vm_pressure_events(void);
void vm_pressure_proc_cleanup(proc_t);

#if CONFIG_MEMORYSTATUS && CONFIG_JETSAM
void vm_find_pressure_foreground_candidates(void);
void vm_find_pressure_candidate(void);
boolean_t vm_dispatch_pressure_note_to_pid(pid_t pid, boolean_t locked);
#endif /* CONFIG_MEMORYSTATUS && CONFIG_JETSAM */

#endif /* VM_PRESSURE_H */