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Annotation of OSKit-Mach/kern/syscall_sw.h, revision 1.1.1.1

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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