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- /*
- * Mach Operating System
- * Copyright (c) 1991,1990,1989,1988,1987 Carnegie Mellon University.
- * Copyright (c) 1993,1994 The University of Utah and
- * the Computer Systems Laboratory (CSL).
- * 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, THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF
- * THIS SOFTWARE IN ITS "AS IS" CONDITION, AND DISCLAIM 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 <mach/machine/vm_types.h>
- #include <kern/lock.h>
- #include <kern/task.h>
- typedef vm_offset_t eml_routine_t;
- typedef struct eml_dispatch {
- decl_simple_lock_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;
- typedef vm_offset_t *emulation_vector_t; /* Variable-length array */
- #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)
- extern void eml_init(void);
- extern void eml_task_reference(task_t task, task_t parent);
- extern void eml_task_deallocate(task_t task);
- #endif /* __ASSEMBLER__ */
- #endif /* _KERN_SYSCALL_EMULATION_H_ */
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