linux_signal.h revision 293505 
1/*-
2 * Copyright (c) 2000 Marcel Moolenaar
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 *    in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD: stable/10/sys/compat/linux/linux_signal.h 293505 2016-01-09 15:31:15Z dchagin $
29 */
30
31#ifndef _LINUX_SIGNAL_H_
32#define _LINUX_SIGNAL_H_
33
34/*
35 * si_code values
36 */
37#define	LINUX_SI_USER		0	/* sent by kill, sigsend, raise */
38#define	LINUX_SI_KERNEL		0x80	/* sent by the kernel from somewhere */
39#define	LINUX_SI_QUEUE		-1	/* sent by sigqueue */
40#define	LINUX_SI_TIMER		-2	/* sent by timer expiration */
41#define	LINUX_SI_MESGQ		-3	/* sent by real time mesq state change */
42#define	LINUX_SI_ASYNCIO	-4	/* sent by AIO completion */
43#define	LINUX_SI_SIGIO		-5	/* sent by queued SIGIO */
44#define	LINUX_SI_TKILL		-6	/* sent by tkill system call */
45
46extern int bsd_to_linux_signal[];
47extern int linux_to_bsd_signal[];
48
49void linux_to_bsd_sigset(l_sigset_t *, sigset_t *);
50void bsd_to_linux_sigset(sigset_t *, l_sigset_t *);
51int linux_do_sigaction(struct thread *, int, l_sigaction_t *, l_sigaction_t *);
52void ksiginfo_to_lsiginfo(const ksiginfo_t *ksi, l_siginfo_t *lsi, l_int sig);
53void siginfo_to_lsiginfo(const siginfo_t *si, l_siginfo_t *lsi, l_int sig);
54void lsiginfo_to_ksiginfo(const l_siginfo_t *lsi, ksiginfo_t *ksi, int sig);
55
56#define LINUX_SIG_VALID(sig)	((sig) <= LINUX_NSIG && (sig) > 0)
57
58#define BSD_TO_LINUX_SIGNAL(sig)				\
59	(((sig) <= LINUX_SIGTBLSZ) ? bsd_to_linux_signal[_SIG_IDX(sig)] : sig)
60
61#endif /* _LINUX_SIGNAL_H_ */
62