projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b A |
1 | /* |
| 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 6 | * The contents of this file constitute Original Code as defined in and | |
| 7 | * are subject to the Apple Public Source License Version 1.1 (the | |
| 8 | * "License"). You may not use this file except in compliance with the | |
| 9 | * License. Please obtain a copy of the License at | |
| 10 | * http://www.apple.com/publicsource and read it before using this file. | |
| 11 | * | |
| 12 | * This Original Code and all software distributed under the License are | |
| 13 | * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the | |
| 17 | * License for the specific language governing rights and limitations | |
| 18 | * under the License. | |
| 19 | * | |
| 20 | * @APPLE_LICENSE_HEADER_END@ | |
| 21 | */ | |
| 22 | #ifndef _KERN_SPL_H_ | |
| 23 | #define _KERN_SPL_H_ | |
| 24 | ||
| 25 | typedef unsigned spl_t; | |
| 26 | ||
| 27 | extern spl_t (splhigh)(void); /* Block all interrupts */ | |
| 28 | ||
| 29 | extern spl_t (splsched)(void); /* Block all scheduling activity */ | |
| 30 | ||
| 31 | extern spl_t (splclock)(void); /* Block clock interrupt */ | |
| 32 | ||
| 33 | extern void (splx)(spl_t); /* Restore previous level */ | |
| 34 | ||
| 35 | extern void (spllo)(void); /* Enable all interrupts */ | |
| 36 | ||
| 37 | #endif /* _KERN_SPL_H_ */ |