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Annotation of OSKit-Mach/kern/syscall_sw.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Mach Operating System
        !             3:  * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University
        !             4:  * All Rights Reserved.
        !             5:  *
        !             6:  * Permission to use, copy, modify and distribute this software and its
        !             7:  * documentation is hereby granted, provided that both the copyright
        !             8:  * notice and this permission notice appear in all copies of the
        !             9:  * software, derivative works or modified versions, and any portions
        !            10:  * thereof, and that both notices appear in supporting documentation.
        !            11:  *
        !            12:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            13:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
        !            14:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            15:  *
        !            16:  * Carnegie Mellon requests users of this software to return to
        !            17:  *
        !            18:  *  Software Distribution Coordinator  or  [email protected]
        !            19:  *  School of Computer Science
        !            20:  *  Carnegie Mellon University
        !            21:  *  Pittsburgh PA 15213-3890
        !            22:  *
        !            23:  * any improvements or extensions that they make and grant Carnegie Mellon
        !            24:  * the rights to redistribute these changes.
        !            25:  */
        !            26: 
        !            27: #ifndef        _KERN_SYSCALL_SW_H_
        !            28: #define        _KERN_SYSCALL_SW_H_
        !            29: 
        !            30: /*
        !            31:  *     mach_trap_stack indicates the trap may discard
        !            32:  *     its kernel stack.  Some architectures may need
        !            33:  *     to save more state in the pcb for these traps.
        !            34:  */
        !            35: 
        !            36: typedef struct {
        !            37:        int             mach_trap_arg_count;
        !            38:        int             (*mach_trap_function)();
        !            39:        boolean_t       mach_trap_stack;
        !            40:        int             mach_trap_unused;
        !            41: } mach_trap_t;
        !            42: 
        !            43: extern mach_trap_t     mach_trap_table[];
        !            44: extern int             mach_trap_count;
        !            45: 
        !            46: #define        MACH_TRAP(name, arg_count)              \
        !            47:                { (arg_count), (int (*)()) (name), FALSE, 0 }
        !            48: #define        MACH_TRAP_STACK(name, arg_count)        \
        !            49:                { (arg_count), (int (*)()) (name), TRUE, 0 }
        !            50: 
        !            51: #endif /* _KERN_SYSCALL_SW_H_ */

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