/* * Copyright (c) 2006-2018 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@ */ #ifndef SYS_MEMORYSTATUS_NOTIFY_H #define SYS_MEMORYSTATUS_NOTIFY_H #include <stdint.h> #include <sys/proc.h> #include <sys/param.h> #if VM_PRESSURE_EVENTS extern vm_pressure_level_t memorystatus_vm_pressure_level; extern boolean_t memorystatus_hwm_candidates; boolean_t memorystatus_warn_process(const proc_t p, __unused boolean_t is_active, __unused boolean_t is_fatal, boolean_t exceeded); int memorystatus_send_note(int event_code, void *data, uint32_t data_length); int memorystatus_send_dirty_status_change_note(void *data, uint32_t data_length); void memorystatus_send_low_swap_note(void); void consider_vm_pressure_events(void); #if CONFIG_MEMORYSTATUS int memorystatus_low_mem_privileged_listener(uint32_t op_flags); int memorystatus_send_pressure_note(int pid); boolean_t memorystatus_is_foreground_locked(proc_t p); boolean_t memorystatus_bg_pressure_eligible(proc_t p); void memorystatus_proc_flags_unsafe(void * v, boolean_t *is_dirty, boolean_t *is_dirty_tracked, boolean_t *allow_idle_exit); extern void memorystatus_issue_fg_band_notify(void); #endif /* CONFIG_MEMORYSTATUS */ #if DEBUG #define VM_PRESSURE_DEBUG(cond, format, ...) \ do { \ if (cond) { printf(format, ##__VA_ARGS__); } \ } while(0) #else #define VM_PRESSURE_DEBUG(cond, format, ...) #endif #endif /* VM_PRESSURE_EVENTS */ #endif /* SYS_MEMORYSTATUS_NOTIFY_H */