1*19c3b8c2SApple OSS Distributions /* 2*19c3b8c2SApple OSS Distributions * Copyright (c) 2006-2018 Apple Computer, Inc. All rights reserved. 3*19c3b8c2SApple OSS Distributions * 4*19c3b8c2SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*19c3b8c2SApple OSS Distributions * 6*19c3b8c2SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*19c3b8c2SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*19c3b8c2SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*19c3b8c2SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*19c3b8c2SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*19c3b8c2SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*19c3b8c2SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*19c3b8c2SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*19c3b8c2SApple OSS Distributions * 15*19c3b8c2SApple OSS Distributions * Please obtain a copy of the License at 16*19c3b8c2SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*19c3b8c2SApple OSS Distributions * 18*19c3b8c2SApple OSS Distributions * The Original Code and all software distributed under the License are 19*19c3b8c2SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*19c3b8c2SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*19c3b8c2SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*19c3b8c2SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*19c3b8c2SApple OSS Distributions * Please see the License for the specific language governing rights and 24*19c3b8c2SApple OSS Distributions * limitations under the License. 25*19c3b8c2SApple OSS Distributions * 26*19c3b8c2SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*19c3b8c2SApple OSS Distributions */ 28*19c3b8c2SApple OSS Distributions 29*19c3b8c2SApple OSS Distributions #ifndef SYS_MEMORYSTATUS_NOTIFY_H 30*19c3b8c2SApple OSS Distributions #define SYS_MEMORYSTATUS_NOTIFY_H 31*19c3b8c2SApple OSS Distributions 32*19c3b8c2SApple OSS Distributions #include <stdint.h> 33*19c3b8c2SApple OSS Distributions #include <sys/proc.h> 34*19c3b8c2SApple OSS Distributions #include <sys/param.h> 35*19c3b8c2SApple OSS Distributions 36*19c3b8c2SApple OSS Distributions #if VM_PRESSURE_EVENTS 37*19c3b8c2SApple OSS Distributions 38*19c3b8c2SApple OSS Distributions extern vm_pressure_level_t memorystatus_vm_pressure_level; 39*19c3b8c2SApple OSS Distributions extern boolean_t memorystatus_hwm_candidates; 40*19c3b8c2SApple OSS Distributions extern unsigned int memorystatus_sustained_pressure_maximum_band; 41*19c3b8c2SApple OSS Distributions 42*19c3b8c2SApple OSS Distributions boolean_t memorystatus_warn_process(const proc_t p, __unused boolean_t is_active, __unused boolean_t is_fatal, boolean_t exceeded); 43*19c3b8c2SApple OSS Distributions int memorystatus_send_note(int event_code, void *data, uint32_t data_length); 44*19c3b8c2SApple OSS Distributions void memorystatus_send_low_swap_note(void); 45*19c3b8c2SApple OSS Distributions void consider_vm_pressure_events(void); 46*19c3b8c2SApple OSS Distributions void memorystatus_notify_init(void); 47*19c3b8c2SApple OSS Distributions 48*19c3b8c2SApple OSS Distributions #if CONFIG_MEMORYSTATUS 49*19c3b8c2SApple OSS Distributions 50*19c3b8c2SApple OSS Distributions int memorystatus_low_mem_privileged_listener(uint32_t op_flags); 51*19c3b8c2SApple OSS Distributions int memorystatus_send_pressure_note(int pid); 52*19c3b8c2SApple OSS Distributions boolean_t memorystatus_is_foreground_locked(proc_t p); 53*19c3b8c2SApple OSS Distributions boolean_t memorystatus_bg_pressure_eligible(proc_t p); 54*19c3b8c2SApple OSS Distributions void memorystatus_proc_flags_unsafe(void * v, boolean_t *is_dirty, boolean_t *is_dirty_tracked, boolean_t *allow_idle_exit); 55*19c3b8c2SApple OSS Distributions extern void memorystatus_issue_fg_band_notify(void); 56*19c3b8c2SApple OSS Distributions 57*19c3b8c2SApple OSS Distributions #endif /* CONFIG_MEMORYSTATUS */ 58*19c3b8c2SApple OSS Distributions 59*19c3b8c2SApple OSS Distributions #if DEBUG 60*19c3b8c2SApple OSS Distributions #define VM_PRESSURE_DEBUG(cond, format, ...) \ 61*19c3b8c2SApple OSS Distributions do { \ 62*19c3b8c2SApple OSS Distributions if (cond) { printf(format, ##__VA_ARGS__); } \ 63*19c3b8c2SApple OSS Distributions } while(0) 64*19c3b8c2SApple OSS Distributions #else 65*19c3b8c2SApple OSS Distributions #define VM_PRESSURE_DEBUG(cond, format, ...) 66*19c3b8c2SApple OSS Distributions #endif 67*19c3b8c2SApple OSS Distributions 68*19c3b8c2SApple OSS Distributions #endif /* VM_PRESSURE_EVENTS */ 69*19c3b8c2SApple OSS Distributions 70*19c3b8c2SApple OSS Distributions #endif /* SYS_MEMORYSTATUS_NOTIFY_H */ 71