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Annotation of kernel/kernserv/i386/spl.h, revision 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_ */

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