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/*
*
* Copyright (C) 2006 Free Software Foundation, Inc.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
* Author: Barry deFreese.
*/
/*
*
*
*/
#ifndef _I386_PCB_H_
#define _I386_PCB_H_
#include <sys/types.h>
#include <mach/exec/exec.h>
#include <mach/thread_status.h>
#include <machine/thread.h>
extern void pcb_init (thread_t thread);
extern void pcb_terminate (thread_t thread);
extern void pcb_collect (thread_t thread);
extern kern_return_t thread_setstatus (
thread_t thread,
int flavor,
thread_state_t tstate,
unsigned int count);
extern kern_return_t thread_getstatus (
thread_t thread,
int flavor,
thread_state_t tstate,
unsigned int *count);
extern void thread_set_syscall_return (
thread_t thread,
kern_return_t retval);
extern vm_offset_t user_stack_low (vm_size_t stack_size);
extern vm_offset_t set_user_regs (
vm_offset_t stack_base,
vm_offset_t stack_size,
const struct exec_info *exec_info,
vm_size_t arg_size);
extern void load_context (thread_t new);
extern void stack_attach (
thread_t thread,
vm_offset_t stack,
void (*continuation)(thread_t));
extern vm_offset_t stack_detach (thread_t thread);
extern void switch_ktss (pcb_t pcb);
extern void update_ktss_iopb (unsigned char *new_iopb, io_port_t size);
extern thread_t Load_context (thread_t new);
extern thread_t Switch_context (thread_t old, void (*continuation)(), thread_t new);
extern void Thread_continue (void);
extern void pcb_module_init (void);
#endif /* _I386_PCB_H_ */
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