Return to spl.h CVS log

Up to [Apple Darwin 0.x] / kernel / kernserv / i386

Annotation of kernel/kernserv/i386/spl.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
                      7:  * Reserved.  This file contains Original Code and/or Modifications of
                      8:  * Original Code as defined in and that are subject to the Apple Public
                      9:  * Source License Version 1.1 (the "License").  You may not use this file
                     10:  * except in compliance with the License.  Please obtain a copy of the
                     11:  * License at http://www.apple.com/publicsource and read it before using
                     12:  * this file.
                     13:  * 
                     14:  * The Original Code and all software distributed under the License are
                     15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     19:  * License for the specific language governing rights and limitations
                     20:  * under the License.
                     21:  * 
                     22:  * @APPLE_LICENSE_HEADER_END@
                     23:  */
                     24: 
                     25: /*
                     26:  *     File:   spl.h
                     27:  *     Author: Avadis Tevanian, Jr.
                     28:  *
                     29:  *     Define inline macros for spl routines.
                     30:  *     
                     31:  * HISTORY
                     32:  * 21-May-91  Gregg Kellogg (gk) at NeXT
                     33:  *     Moved public portion to exported directory.
                     34:  *
                     35:  * 14-May-90  Gregg Kellogg (gk) at NeXT
                     36:  *     Changed SPLCLOCK from 6 to 3, as much scheduling code expects
                     37:  *     splclock() == splsched().  Added splusclock().
                     38:  *
                     39:  * 19-Jun-89  Mike DeMoney (mike) at NeXT
                     40:  *     Modified to allow spl assertions in spl_measured.h
                     41:  */
                     42: 
                     43: #ifndef        _KERNSERV_I386_SPL_H_
                     44: #define        _KERNSERV_I386_SPL_H_
                     45: 
                     46: extern int spl7(void);
                     47: extern int splhigh(void);
                     48: 
                     49: extern int spl6(void);
                     50: extern int spldma(void);
                     51: extern int splusclock(void);
                     52: extern int splsched(void);
                     53: extern int splclock(void);
                     54: 
                     55: extern int spl5(void);
                     56: 
                     57: extern int spl4(void);
                     58: 
                     59: extern int spl3(void);
                     60: extern int splbio(void);
                     61: extern int splimp(void);
                     62: extern int splvm(void);
                     63: extern int splnet(void);
                     64: extern int spldevice(void);
                     65: 
                     66: extern int spl2(void);
                     67: 
                     68: extern int spl1(void);
                     69: extern int spltty(void);
                     70: 
                     71: extern int spl0(void);
                     72:                    
                     73: extern int splx(int    ipl);
                     74: extern int spln(int    ipl);
                     75: 
                     76: extern int ipltospl(int        ipl);
                     77: 
                     78: extern int curipl(void);
                     79: 
                     80: #define splsoftclock() spl0()
                     81: #define splstatclock() splhigh()
                     82: 
                     83: #define IPLHIGH         7
                     84: #define IPLDMA          6
                     85: #define IPLUSCLOCK      6
                     86: #define IPLSCHED        6
                     87: #define IPLCLOCK        6
                     88: #define IPLBIO          3
                     89: #define IPLIMP          3
                     90: #define IPLVM           3
                     91: #define IPLNET          3
                     92: #define IPLDEVICE      3
                     93: #define IPLTTY          1
                     94: 
                     95: #endif /* _KERNSERV_I386_SPL_H_ */

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.