/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ */ /* * Mach Operating System * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University * All Rights Reserved. * * Permission to use, copy, modify and distribute this software and its * documentation is hereby granted, provided that both the copyright * notice and this permission notice appear in all copies of the * software, derivative works or modified versions, and any portions * thereof, and that both notices appear in supporting documentation. * * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. * * Carnegie Mellon requests users of this software to return to * * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU * School of Computer Science * Carnegie Mellon University * Pittsburgh PA 15213-3890 * * any improvements or extensions that they make and grant Carnegie Mellon * the rights to redistribute these changes. */ /* */ #ifndef _KERN_SYSCALL_EMULATION_H_ #define _KERN_SYSCALL_EMULATION_H_ #ifndef ASSEMBLER #include <kern/kern_types.h> #include <mach/machine/vm_types.h> #include <kern/lock.h> typedef vm_offset_t eml_routine_t; typedef struct eml_dispatch { decl_mutex_data(,lock) /* lock for reference count */ int ref_count; /* reference count */ int disp_count; /* count of entries in vector */ int disp_min; /* index of lowest entry in vector */ eml_routine_t disp_vector[1]; /* first entry in array of dispatch */ /* routines (array has disp_count elements) */ } *eml_dispatch_t; #define EML_ROUTINE_NULL (eml_routine_t)0 #define EML_DISPATCH_NULL (eml_dispatch_t)0 #define EML_SUCCESS (0) #define EML_MOD (err_kern|err_sub(2)) #define EML_BAD_TASK (EML_MOD|0x0001) #define EML_BAD_CNT (EML_MOD|0x0002) /* Per-task initialization */ extern void eml_init(void); /* Take reference on common task emulation vector */ extern void eml_task_reference( task_t new_task, task_t parent_task); /* Deallocate reference on common task emulation vector */ extern void eml_task_deallocate( task_t task); #endif /* ASSEMBLER */ #endif /* _KERN_SYSCALL_EMULATION_H_ */