linux_emul.h revision 293493 
1/*-
2 * Copyright (c) 2006 Roman Divacky
3 * Copyright (c) 2013 Dmitry Chagin
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer
11 *    in this position and unchanged.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. The name of the author may not be used to endorse or promote products
16 *    derived from this software without specific prior written permission
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 *
29 * $FreeBSD: stable/10/sys/compat/linux/linux_emul.h 293493 2016-01-09 15:16:13Z dchagin $
30 */
31
32#ifndef _LINUX_EMUL_H_
33#define	_LINUX_EMUL_H_
34
35/*
36 * modeled after similar structure in NetBSD
37 * this will be extended as we need more functionality
38 */
39struct linux_emuldata {
40	int    *child_set_tid;	/* in clone(): Child's TID to set on clone */
41	int    *child_clear_tid;/* in clone(): Child's TID to clear on exit */
42
43	int	pdeath_signal;		/* parent death signal */
44	int	flags;			/* different emuldata flags */
45	int	em_tid;			/* thread id */
46
47	struct	linux_robust_list_head	*robust_futexes;
48};
49
50struct linux_emuldata	*em_find(struct thread *);
51
52/* emuldata flags */
53#define	LINUX_XDEPR_REQUEUEOP	0x00000001	/* uses deprecated
54						   futex REQUEUE op*/
55
56void	linux_proc_init(struct thread *, struct thread *, int);
57void	linux_proc_exit(void *, struct proc *);
58void	linux_schedtail(struct thread *);
59void	linux_proc_exec(void *, struct proc *, struct image_params *);
60void	linux_thread_dtor(void *arg __unused, struct thread *);
61void	linux_thread_detach(struct thread *);
62int	linux_common_execve(struct thread *, struct image_args *);
63
64#endif	/* !_LINUX_EMUL_H_ */
65