| | 1 | /* |
| | 2 | * Copyright (c) 2006-2018 Apple Computer, 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 SYS_MEMORYSTATUS_NOTIFY_H |
| | 30 | #define SYS_MEMORYSTATUS_NOTIFY_H |
| | 31 | |
| | 32 | #include <stdint.h> |
| | 33 | #include <sys/proc.h> |
| | 34 | #include <sys/param.h> |
| | 35 | |
| | 36 | #if VM_PRESSURE_EVENTS |
| | 37 | |
| | 38 | extern vm_pressure_level_t memorystatus_vm_pressure_level; |
| | 39 | extern boolean_t memorystatus_hwm_candidates; |
| | 40 | |
| | 41 | boolean_t memorystatus_warn_process(pid_t pid, __unused boolean_t is_active, __unused boolean_t is_fatal, boolean_t exceeded); |
| | 42 | int memorystatus_send_note(int event_code, void *data, size_t data_length); |
| | 43 | void memorystatus_send_low_swap_note(void); |
| | 44 | void consider_vm_pressure_events(void); |
| | 45 | |
| | 46 | #if CONFIG_MEMORYSTATUS |
| | 47 | |
| | 48 | int memorystatus_low_mem_privileged_listener(uint32_t op_flags); |
| | 49 | int memorystatus_send_pressure_note(int pid); |
| | 50 | boolean_t memorystatus_is_foreground_locked(proc_t p); |
| | 51 | boolean_t memorystatus_bg_pressure_eligible(proc_t p); |
| | 52 | void memorystatus_proc_flags_unsafe(void * v, boolean_t *is_dirty, boolean_t *is_dirty_tracked, boolean_t *allow_idle_exit); |
| | 53 | extern void memorystatus_issue_fg_band_notify(void); |
| | 54 | |
| | 55 | #endif /* CONFIG_MEMORYSTATUS */ |
| | 56 | |
| | 57 | #if DEBUG |
| | 58 | #define VM_PRESSURE_DEBUG(cond, format, ...) \ |
| | 59 | do { \ |
| | 60 | if (cond) { printf(format, ##__VA_ARGS__); } \ |
| | 61 | } while(0) |
| | 62 | #else |
| | 63 | #define VM_PRESSURE_DEBUG(cond, format, ...) |
| | 64 | #endif |
| | 65 | |
| | 66 | #endif /* VM_PRESSURE_EVENTS */ |
| | 67 | |
| | 68 | #endif /* SYS_MEMORYSTATUS_NOTIFY_H */ |
projects / apple / xnu.git / blame_incremental