projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| cb323159 A |
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 */ |