1/*-
2 * Copyright (c) 1998 Mark Newton
3 * Copyright (c) 1994 Christos Zoulas
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 * 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 * $FreeBSD$
29 */
30
31#ifndef	_SVR4_SIGNAL_H_
32#define	_SVR4_SIGNAL_H_
33
34#include <i386/svr4/svr4_machdep.h>
35#include <compat/svr4/svr4_siginfo.h>
36
37#define	SVR4_SIGHUP	 1
38#define	SVR4_SIGINT	 2
39#define	SVR4_SIGQUIT	 3
40#define	SVR4_SIGILL	 4
41#define	SVR4_SIGTRAP	 5
42#define	SVR4_SIGIOT	 6
43#define	SVR4_SIGABRT	 6
44#define	SVR4_SIGEMT	 7
45#define	SVR4_SIGFPE	 8
46#define	SVR4_SIGKILL	 9
47#define	SVR4_SIGBUS	10
48#define	SVR4_SIGSEGV	11
49#define	SVR4_SIGSYS	12
50#define	SVR4_SIGPIPE	13
51#define	SVR4_SIGALRM	14
52#define	SVR4_SIGTERM	15
53#define	SVR4_SIGUSR1	16
54#define	SVR4_SIGUSR2	17
55#define	SVR4_SIGCLD	18
56#define	SVR4_SIGCHLD	18
57#define	SVR4_SIGPWR	19
58#define	SVR4_SIGWINCH	20
59#define	SVR4_SIGURG	21
60#define	SVR4_SIGPOLL	22
61#define	SVR4_SIGIO	22
62#define	SVR4_SIGSTOP	23
63#define	SVR4_SIGTSTP	24
64#define	SVR4_SIGCONT	25
65#define	SVR4_SIGTTIN	26
66#define	SVR4_SIGTTOU	27
67#define	SVR4_SIGVTALRM	28
68#define	SVR4_SIGPROF	29
69#define	SVR4_SIGXCPU	30
70#define	SVR4_SIGXFSZ	31
71#define SVR4_NSIG	32
72
73#define	SVR4_SIGNO_MASK		0x00FF
74#define	SVR4_SIGNAL_MASK	0x0000
75#define	SVR4_SIGDEFER_MASK	0x0100
76#define	SVR4_SIGHOLD_MASK	0x0200
77#define	SVR4_SIGRELSE_MASK	0x0400
78#define	SVR4_SIGIGNORE_MASK	0x0800
79#define	SVR4_SIGPAUSE_MASK	0x1000
80
81typedef void (*svr4_sig_t)(int, svr4_siginfo_t *, void *);
82#define	SVR4_SIG_DFL	(svr4_sig_t)	 0
83#define	SVR4_SIG_ERR	(svr4_sig_t)	-1
84#define	SVR4_SIG_IGN	(svr4_sig_t)	 1
85#define	SVR4_SIG_HOLD	(svr4_sig_t)	 2
86
87#define SVR4_SIGNO(a)	((a) & SVR4_SIGNO_MASK)
88#define SVR4_SIGCALL(a) ((a) & ~SVR4_SIGNO_MASK)
89
90#define SVR4_SIG_BLOCK		1
91#define SVR4_SIG_UNBLOCK	2
92#define SVR4_SIG_SETMASK	3
93
94extern int bsd_to_svr4_sig[SVR4_NSIG];
95extern int svr4_to_bsd_sig[SVR4_NSIG];
96
97#define SVR4_BSD2SVR4_SIG(sig)	\
98	(((sig) < SVR4_NSIG) ? bsd_to_svr4_sig[sig] : sig)
99#define SVR4_SVR42BSD_SIG(sig)	\
100	(((sig) < SVR4_NSIG) ? svr4_to_bsd_sig[sig] : sig)
101
102typedef struct {
103        u_long bits[4];
104} svr4_sigset_t;
105
106struct svr4_sigaction {
107	int		ssa_flags;
108	svr4_sig_t	ssa_handler;
109	svr4_sigset_t	ssa_mask;
110	int 		ssa_reserved[2];
111};
112
113struct svr4_sigaltstack {
114	char		*ss_sp;
115	int		ss_size;
116	int		ss_flags;
117};
118
119/* sa_flags */
120#define SVR4_SA_ONSTACK		0x00000001
121#define SVR4_SA_RESETHAND	0x00000002
122#define SVR4_SA_RESTART		0x00000004
123#define SVR4_SA_SIGINFO		0x00000008
124#define SVR4_SA_NODEFER		0x00000010
125#define SVR4_SA_NOCLDWAIT	0x00010000	/* No zombies 	*/
126#define SVR4_SA_NOCLDSTOP	0x00020000	/* No jcl	*/
127#define	SVR4_SA_ALLBITS		0x0003001f
128
129/* ss_flags */
130#define SVR4_SS_ONSTACK		0x00000001
131#define SVR4_SS_DISABLE		0x00000002
132#define	SVR4_SS_ALLBITS		0x00000003
133
134#define	SVR4_MINSIGSTKSZ	8192
135
136struct ksiginfo;
137
138void bsd_to_svr4_sigaltstack(const struct sigaltstack *, struct svr4_sigaltstack *);
139void bsd_to_svr4_sigset(const sigset_t *, svr4_sigset_t *);
140void svr4_to_bsd_sigaltstack(const struct svr4_sigaltstack *, struct sigaltstack *);
141void svr4_to_bsd_sigset(const svr4_sigset_t *, sigset_t *);
142void svr4_sendsig(sig_t, struct ksiginfo *, sigset_t  *);
143
144#endif /* !_SVR4_SIGNAL_H_ */
145