projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 2d21ac55 A |
1 | /* |
| 2 | * Copyright (c) 2006 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 | @header kern_memorystatus.h | |
| 30 | This header defines a kernel event subclass for the OSMemoryNotification API | |
| 31 | */ | |
| 32 | ||
| 33 | #ifndef SYS_KERN_MEMORYSTATUS_H | |
| 34 | #define SYS_KERN_MEMORYSTATUS_H | |
| 35 | ||
| 36 | /* | |
| 37 | * Define Memory Status event subclass. | |
| 38 | * Subclass of KEV_SYSTEM_CLASS | |
| 39 | */ | |
| 40 | ||
| 41 | /*! | |
| 42 | @defined KEV_MEMORYSTATUS_SUBCLASS | |
| 43 | @discussion The kernel event subclass for memory status events. | |
| 44 | */ | |
| 45 | #define KEV_MEMORYSTATUS_SUBCLASS 3 | |
| 46 | ||
| 47 | enum { | |
| 48 | kMemoryStatusLevelAny = -1, | |
| 49 | kMemoryStatusLevelNormal = 0, | |
| 50 | kMemoryStatusLevelWarning = 1, | |
| 51 | kMemoryStatusLevelUrgent = 2, | |
| 52 | kMemoryStatusLevelCritical = 3 | |
| 53 | }; | |
| 54 | ||
| 55 | #ifdef KERNEL | |
| 56 | extern void kern_memorystatus_init(void) __attribute__((section("__TEXT, initcode"))); | |
| 57 | ||
| 58 | extern int kern_memorystatus_wakeup; | |
| 59 | extern int kern_memorystatus_level; | |
| 60 | ||
| 61 | #endif /* KERNEL */ | |
| 62 | #endif /* SYS_KERN_MEMORYSTATUS_H */ |