bsd/i386/spl.h

   1 /*
   2  * Copyright (c) 2000-2002 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 _BSD_I386_SPL_H_
  23 #define _BSD_I386_SPL_H_
  24
  25 #ifdef KERNEL
  26 #ifndef __ASSEMBLER__
  27 /*
  28  *      Machine-dependent SPL definitions.
  29  *
  30  */
  31 typedef unsigned        spl_t;
  32
  33 extern unsigned sploff(void);
  34 extern unsigned splhigh(void);
  35 extern unsigned splsched(void);
  36 extern unsigned splclock(void);
  37 extern unsigned splpower(void);
  38 extern unsigned splvm(void);
  39 extern unsigned splbio(void);
  40 extern unsigned splimp(void);
  41 extern unsigned spltty(void);
  42 extern unsigned splnet(void);
  43 extern unsigned splsoftclock(void);
  44
  45 extern void     spllo(void);
  46 extern void     splon(unsigned level);
  47 extern void     splx(unsigned level);
  48 extern void     spln(unsigned level);
  49 #define splstatclock()  splhigh()
  50
  51 #endif /* __ASSEMBLER__ */
  52
  53 #endif
  54
  55 #endif  /* _BSD_I386_SPL_H_ */