xref: /freebsd/sys/compat/linux/linux.h (revision e8e8c939350bdf3c228a411caa9660c607c27a11)
1 /*-
2  * Copyright (c) 2015 Dmitry Chagin
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #ifndef _LINUX_MI_H_
30 #define _LINUX_MI_H_
31 
32 /* sigaltstack */
33 #define	LINUX_SS_ONSTACK	1
34 #define	LINUX_SS_DISABLE	2
35 
36 int linux_to_bsd_sigaltstack(int lsa);
37 int bsd_to_linux_sigaltstack(int bsa);
38 
39 /* sigset */
40 typedef struct {
41 	uint64_t	__mask;
42 } l_sigset_t;
43 
44 /* primitives to manipulate sigset_t */
45 #define	LINUX_SIGEMPTYSET(set)		(set).__mask = 0
46 #define	LINUX_SIGISMEMBER(set, sig)	(1UL & ((set).__mask >> _SIG_IDX(sig)))
47 #define	LINUX_SIGADDSET(set, sig)	(set).__mask |= 1UL << _SIG_IDX(sig)
48 
49 void linux_to_bsd_sigset(l_sigset_t *, sigset_t *);
50 void bsd_to_linux_sigset(sigset_t *, l_sigset_t *);
51 
52 /* signaling */
53 #define	LINUX_SIGHUP		1
54 #define	LINUX_SIGINT		2
55 #define	LINUX_SIGQUIT		3
56 #define	LINUX_SIGILL		4
57 #define	LINUX_SIGTRAP		5
58 #define	LINUX_SIGABRT		6
59 #define	LINUX_SIGIOT		LINUX_SIGABRT
60 #define	LINUX_SIGBUS		7
61 #define	LINUX_SIGFPE		8
62 #define	LINUX_SIGKILL		9
63 #define	LINUX_SIGUSR1		10
64 #define	LINUX_SIGSEGV		11
65 #define	LINUX_SIGUSR2		12
66 #define	LINUX_SIGPIPE		13
67 #define	LINUX_SIGALRM		14
68 #define	LINUX_SIGTERM		15
69 #define	LINUX_SIGSTKFLT		16
70 #define	LINUX_SIGCHLD		17
71 #define	LINUX_SIGCONT		18
72 #define	LINUX_SIGSTOP		19
73 #define	LINUX_SIGTSTP		20
74 #define	LINUX_SIGTTIN		21
75 #define	LINUX_SIGTTOU		22
76 #define	LINUX_SIGURG		23
77 #define	LINUX_SIGXCPU		24
78 #define	LINUX_SIGXFSZ		25
79 #define	LINUX_SIGVTALRM		26
80 #define	LINUX_SIGPROF		27
81 #define	LINUX_SIGWINCH		28
82 #define	LINUX_SIGIO		29
83 #define	LINUX_SIGPOLL		LINUX_SIGIO
84 #define	LINUX_SIGPWR		30
85 #define	LINUX_SIGSYS		31
86 #define	LINUX_SIGTBLSZ		31
87 #define	LINUX_SIGRTMIN		32
88 #define	LINUX_SIGRTMAX		64
89 
90 #define LINUX_SIG_VALID(sig)	((sig) <= LINUX_SIGRTMAX && (sig) > 0)
91 
92 int linux_to_bsd_signal(int sig);
93 int bsd_to_linux_signal(int sig);
94 
95 #endif /* _LINUX_MI_H_ */
96