1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22/*
23 * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
24 * Use is subject to license terms.
25 */
26
27/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
28/*	  All Rights Reserved  	*/
29
30/*
31 * University Copyright- Copyright (c) 1982, 1986, 1988
32 * The Regents of the University of California
33 * All Rights Reserved
34 *
35 * University Acknowledgment- Portions of this document are derived from
36 * software developed by the University of California, Berkeley, and its
37 * contributors.
38 */
39
40#ifndef _UCB_SYS_SIGNAL_H
41#define	_UCB_SYS_SIGNAL_H
42
43/*
44 * 4.3BSD signal compatibility header
45 *
46 * this file includes all standard SVR4 header info, plus the 4.3BSD
47 * structures  - 4.3BSD signal codes are translated to SVR4 generic
48 * signal codes where applicable
49 */
50
51#ifdef	__cplusplus
52extern "C" {
53#endif
54
55/*
56 * SysV <signal.h>
57 */
58
59/* ---- <signal.h> ---- */
60
61/*	Copyright (c) 1988 AT&T	*/
62/*	  All Rights Reserved  	*/
63
64
65#ifndef _SIGNAL_H
66#define	_SIGNAL_H
67
68/* ---- <sys/signal.h> ---- */
69
70/*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
71/*	  All Rights Reserved  	*/
72
73
74#ifndef _SYS_SIGNAL_H
75#define	_SYS_SIGNAL_H
76
77#define	SIGHUP	1	/* hangup */
78#define	SIGINT	2	/* interrupt (rubout) */
79#define	SIGQUIT	3	/* quit (ASCII FS) */
80#define	SIGILL	4	/* illegal instruction (not reset when caught) */
81#define	SIGTRAP	5	/* trace trap (not reset when caught) */
82#define	SIGIOT	6	/* IOT instruction */
83#define	SIGABRT 6	/* used by abort, replace SIGIOT in the future */
84#define	SIGEMT	7	/* EMT instruction */
85#define	SIGFPE	8	/* floating point exception */
86#define	SIGKILL	9	/* kill (cannot be caught or ignored) */
87#define	SIGBUS	10	/* bus error */
88#define	SIGSEGV	11	/* segmentation violation */
89#define	SIGSYS	12	/* bad argument to system call */
90#define	SIGPIPE	13	/* write on a pipe with no one to read it */
91#define	SIGALRM	14	/* alarm clock */
92#define	SIGTERM	15	/* software termination signal from kill */
93#define	SIGUSR1	16	/* user defined signal 1 */
94#define	SIGUSR2	17	/* user defined signal 2 */
95#define	SIGCLD	18	/* child status change */
96#define	SIGCHLD	18	/* child status change alias (POSIX) */
97#define	SIGPWR	19	/* power-fail restart */
98#define	SIGWINCH 20	/* window size change */
99#define	SIGURG	21	/* urgent socket condition */
100#define	SIGPOLL 22	/* pollable event occured */
101#define	SIGIO	SIGPOLL	/* socket I/O possible (SIGPOLL alias) */
102#define	SIGSTOP 23	/* stop (cannot be caught or ignored) */
103#define	SIGTSTP 24	/* user stop requested from tty */
104#define	SIGCONT 25	/* stopped process has been continued */
105#define	SIGTTIN 26	/* background tty read attempted */
106#define	SIGTTOU 27	/* background tty write attempted */
107#define	SIGVTALRM 28	/* virtual timer expired */
108#define	SIGPROF 29	/* profiling timer expired */
109#define	SIGXCPU 30	/* exceeded cpu limit */
110#define	SIGXFSZ 31	/* exceeded file size limit */
111#define	SIGWAITING 32	/* process's lwps are blocked */
112#define	SIGLWP	33	/* special signal used by thread library */
113
114#if	defined(__cplusplus)
115
116typedef	void SIG_FUNC_TYP(int);
117typedef	SIG_FUNC_TYP *SIG_TYP;
118#define	SIG_PF SIG_TYP
119
120#define	SIG_DFL	(SIG_PF)0
121#define	SIG_ERR (SIG_PF)-1
122#define	SIG_IGN	(SIG_PF)1
123#define	SIG_HOLD (SIG_PF)2
124
125#elif	defined(lint)
126
127#define	SIG_DFL	(void(*)(int))0
128#define	SIG_ERR (void(*)(int))0
129#define	SIG_IGN	(void (*)(int))0
130#define	SIG_HOLD (void(*)(int))0
131
132#else
133
134#define	SIG_DFL	(void(*)())0
135#define	SIG_ERR	(void(*)())-1
136#define	SIG_IGN	(void (*)())1
137#define	SIG_HOLD (void(*)())2
138
139#endif
140
141#define	SIG_BLOCK	1
142#define	SIG_UNBLOCK	2
143#define	SIG_SETMASK	3
144
145#define	SIGNO_MASK	0xFF
146#define	SIGDEFER	0x100
147#define	SIGHOLD		0x200
148#define	SIGRELSE	0x400
149#define	SIGIGNORE	0x800
150#define	SIGPAUSE	0x1000
151
152#if !defined(_STRICT_STDC) || defined(_POSIX_SOURCE)
153
154#ifndef	_SIGSET_T
155#define	_SIGSET_T
156typedef struct {		/* signal set type */
157	unsigned int	__sigbits[4];
158} sigset_t;
159#endif	/* _SIGSET_T */
160
161struct sigaction {
162	int sa_flags;
163#if defined(__cplusplus)
164	void (*sa_handler)(int);
165#else
166	void (*sa_handler)();
167#endif
168	sigset_t sa_mask;
169	int sa_resv[2];
170};
171
172/* this is only valid for SIGCLD */
173#define	SA_NOCLDSTOP	0x00020000	/* don't send job control SIGCLD's */
174#endif
175
176#if !defined(_STRICT_STDC) && !defined(_POSIX_SOURCE)
177			/* non-comformant ANSI compilation	*/
178
179/* definitions for the sa_flags field */
180#define	SA_ONSTACK	0x00000001
181#define	SA_RESETHAND	0x00000002
182#define	SA_RESTART	0x00000004
183#define	SA_SIGINFO	0x00000008
184#define	SA_NODEFER	0x00000010
185
186/* this is only valid for SIGCLD */
187#define	SA_NOCLDWAIT	0x00010000	/* don't save zombie children	 */
188
189#define	NSIG	34	/* valid signals range from 1 to NSIG-1 */
190#define	MAXSIG	33	/* size of u_signal[], NSIG-1 <= MAXSIG */
191
192#define	MINSIGSTKSZ	2048
193#define	SIGSTKSZ	8192
194
195#define	SS_ONSTACK	0x00000001
196#define	SS_DISABLE	0x00000002
197
198struct sigaltstack {
199	char	*ss_sp;
200	int	ss_size;
201	int	ss_flags;
202};
203
204typedef struct sigaltstack stack_t;
205
206#endif /* __STDC__ && !POSIX */
207
208
209#endif /* _SYS_SIGNAL_H */
210
211/* ---- end of SysV <sys/signal.h> ---- */
212
213typedef int	sig_atomic_t;
214
215#if defined(__STDC__)
216
217extern const char *_sys_siglist[];
218extern const int _sys_nsig;
219
220#ifdef __cplusplus
221extern "C" SIG_PF signal(int, SIG_PF);
222#else
223extern void (*signal(int, void (*)(int)))(int);
224#endif
225extern int raise(int);
226
227#if !defined(_STRICT_STDC) || defined(_POSIX_SOURCE) || \
228	defined(_XOPEN_SOURCE)
229extern int kill(pid_t, int);
230extern int sigaction(int, const struct sigaction *, struct sigaction *);
231extern int sigaddset(sigset_t *, int);
232extern int sigdelset(sigset_t *, int);
233extern int sigemptyset(sigset_t *);
234extern int sigfillset(sigset_t *);
235extern int sigismember(const sigset_t *, int);
236extern int sigpending(sigset_t *);
237extern int sigprocmask(int, const sigset_t *, sigset_t *);
238extern int sigsuspend(const sigset_t *);
239#endif
240
241#if !defined(_STRICT_STDC) && !defined(_POSIX_SOURCE)
242extern int gsignal(int);
243extern void (*sigset(int, void (*)(int)))(int);
244extern int sighold(int);
245extern int sigrelse(int);
246extern int sigignore(int);
247extern int sigpause(int);
248extern int (*ssignal(int, int (*)(int)))(int);
249extern int sigaltstack(const stack_t *, stack_t *);
250/* extern int sigsend(idtype_t, id_t, int); */
251/* extern int sigsendset(const procset_t *, int); */
252#endif
253
254#else
255
256extern char *_sys_siglist[];
257extern int _sys_nsig;
258
259extern	void(*signal())();
260extern  void(*sigset())();
261
262#endif	/* __STDC__ */
263
264#endif	/* _SIGNAL_H */
265/* ---- end of SysV <signal.h> ---- */
266
267#define	sigmask(m)	(m > 32 ? 0 : (1 << ((m)-1)))
268
269/*
270 * 4.3BSD structure used in sigstack call.
271 */
272
273struct  sigstack {
274	char	*ss_sp;			/* signal stack pointer */
275	int	ss_onstack;		/* current status */
276};
277
278#define	SV_ONSTACK	0x0001  /* take signal on signal stack */
279#define	SV_INTERRUPT    0x0002  /* do not restart system on signal return */
280#define	SV_RESETHAND    0x0004  /* reset handler to SIG_DFL when signal taken */
281
282#define	sv_onstack sv_flags
283
284struct  sigcontext {
285	int	sc_onstack;		/* sigstack state to restore */
286	int	sc_mask;		/* signal mask to restore */
287#ifdef u3b2
288	int	sc_sp;			/* sp to restore */
289	int	sc_fp;			/* fp to restore */
290	int	sc_ap;			/* ap to restore */
291	int	sc_pc;			/* pc to restore */
292	int	sc_ps;			/* psw to restore */
293#endif
294#ifdef vax
295	int	sc_sp;			/* sp to restore */
296	int	sc_fp;			/* fp to restore */
297	int	sc_ap;			/* ap to restore */
298	int	sc_pc;			/* pc to restore */
299	int	sc_ps;			/* psl to restore */
300#endif /* vax */
301#ifdef mc68000
302	int	sc_sp;			/* sp to restore */
303	int	sc_pc;			/* pc to retore */
304	int	sc_ps;			/* psl to restore */
305#endif /* mc68000 */
306#ifdef __sparc
307#define	MAXWINDOW	31		/* max usable windows in sparc */
308	long	sc_sp;			/* sp to restore */
309	long	sc_pc;			/* pc to retore */
310	long	sc_npc;			/* next pc to restore */
311	long	sc_psr;			/* psr to restore */
312					/* aliased to REG_CCR for sparcv9 */
313	long	sc_g1;			/* register that must be restored */
314	long	sc_o0;
315	int	sc_wbcnt;		/* number of outstanding windows */
316	char	*sc_spbuf[MAXWINDOW];	/* sp's for each wbuf */
317	long	sc_wbuf[MAXWINDOW][16];	/* outstanding window save buffer */
318#endif /* __sparc */
319#if defined(__amd64)
320	long	sc_sp;			/* sp to restore */
321	long	sc_pc;			/* pc to retore */
322	long	sc_ps;			/* psl to restore */
323	long	sc_rax;			/* rax to restore */
324	long	sc_rdx;			/* rdx to restore */
325#define	sc_r0	sc_rax
326#define	sc_r1	sc_rdx
327#elif defined(__i386)
328	int	sc_sp;			/* sp to restore */
329	int	sc_pc;			/* pc to retore */
330	int	sc_ps;			/* psl to restore */
331	int	sc_eax;			/* eax to restore */
332	int	sc_edx;			/* edx to restore */
333#define	sc_r0	sc_eax
334#define	sc_r1	sc_edx
335#endif
336};
337
338/*
339 * 4.3BSD signal vector structure used in sigvec call.
340 */
341struct  sigvec {
342#if defined(__cplusplus)
343	void	(*sv_handler)(int, int, struct sigcontext *, char *);
344#else
345	void	(*sv_handler)();	/* signal handler */
346#endif
347	int	sv_mask;		/* signal mask to apply */
348	int	sv_flags;		/* see signal options below */
349};
350
351#if defined(__STDC__)
352extern int sigvec(int, struct sigvec *, struct sigvec *);
353extern int sigblock(int);
354extern int sigsetmask(int);
355#endif
356
357/*
358 * Signal codes taken verbatim from SunOS4.1
359 */
360#ifdef	vax
361#define	    ILL_RESAD_FAULT	0x0	/* reserved addressing fault */
362#define	    ILL_PRIVIN_FAULT	0x1	/* privileged instruction fault */
363#define	    ILL_RESOP_FAULT	0x2	/* reserved operand fault */
364#endif	/* vax */
365#ifdef	mc68000
366#define	    ILL_ILLINSTR_FAULT	0x10	/* illegal instruction fault */
367#define	    ILL_PRIVVIO_FAULT	0x20	/* privilege violation fault */
368#define	    ILL_COPROCERR_FAULT	0x34	/* [coprocessor protocol error fault] */
369#define	    ILL_TRAP1_FAULT	0x84	/* trap #1 fault */
370#define	    ILL_TRAP2_FAULT	0x88	/* trap #2 fault */
371#define	    ILL_TRAP3_FAULT	0x8c	/* trap #3 fault */
372#define	    ILL_TRAP4_FAULT	0x90	/* trap #4 fault */
373#define	    ILL_TRAP5_FAULT	0x94	/* trap #5 fault */
374#define	    ILL_TRAP6_FAULT	0x98	/* trap #6 fault */
375#define	    ILL_TRAP7_FAULT	0x9c	/* trap #7 fault */
376#define	    ILL_TRAP8_FAULT	0xa0	/* trap #8 fault */
377#define	    ILL_TRAP9_FAULT	0xa4	/* trap #9 fault */
378#define	    ILL_TRAP10_FAULT	0xa8	/* trap #10 fault */
379#define	    ILL_TRAP11_FAULT	0xac	/* trap #11 fault */
380#define	    ILL_TRAP12_FAULT	0xb0	/* trap #12 fault */
381#define	    ILL_TRAP13_FAULT	0xb4	/* trap #13 fault */
382#define	    ILL_TRAP14_FAULT	0xb8	/* trap #14 fault */
383#endif	/* mc68000 */
384#ifdef	sparc
385#define	    ILL_STACK		0x00	/* bad stack */
386#define	    ILL_ILLINSTR_FAULT	0x02	/* illegal instruction fault */
387#define	    ILL_PRIVINSTR_FAULT	0x03	/* privileged instruction fault */
388/* codes from 0x80 to 0xff are software traps */
389#define	    ILL_TRAP_FAULT(n)	((n)+0x80) /* trap n fault */
390#endif	/* sparc */
391#if defined(__i386) || defined(__amd64)
392#define	    ILL_ILLINSTR_FAULT	0x02	/* illegal instruction fault */
393#endif
394
395#ifdef	mc68000
396#define	    EMT_EMU1010		0x28	/* line 1010 emulator trap */
397#define	    EMT_EMU1111		0x2c	/* line 1111 emulator trap */
398#endif	/* mc68000 */
399#ifdef	sparc
400#define	    EMT_TAG		0x0a	/* tag overflow */
401#endif	/* sparc */
402
403#ifdef	vax
404#define	    FPE_INTOVF_TRAP	0x1	/* integer overflow */
405#define	    FPE_INTDIV_TRAP	0x2	/* integer divide by zero */
406#define	    FPE_FLTOVF_TRAP	0x3	/* floating overflow */
407#define	    FPE_FLTDIV_TRAP	0x4	/* floating/decimal divide by zero */
408#define	    FPE_FLTUND_TRAP	0x5	/* floating underflow */
409#define	    FPE_DECOVF_TRAP	0x6	/* decimal overflow */
410#define	    FPE_SUBRNG_TRAP	0x7	/* subscript out of range */
411#define	    FPE_FLTOVF_FAULT	0x8	/* floating overflow fault */
412#define	    FPE_FLTDIV_FAULT	0x9	/* divide by zero floating fault */
413#define	    FPE_FLTUND_FAULT	0xa	/* floating underflow fault */
414#endif	/* vax */
415#ifdef	mc68000
416#define	    FPE_INTDIV_TRAP	0x14	/* integer divide by zero */
417#define	    FPE_CHKINST_TRAP	0x18	/* CHK [CHK2] instruction */
418#define	    FPE_TRAPV_TRAP	0x1c	/* TRAPV [cpTRAPcc TRAPcc] instr */
419#define	    FPE_FLTBSUN_TRAP	0xc0	/* [branch or set on unordered cond] */
420#define	    FPE_FLTINEX_TRAP	0xc4	/* [floating inexact result] */
421#define	    FPE_FLTDIV_TRAP	0xc8	/* [floating divide by zero] */
422#define	    FPE_FLTUND_TRAP	0xcc	/* [floating underflow] */
423#define	    FPE_FLTOPERR_TRAP	0xd0	/* [floating operand error] */
424#define	    FPE_FLTOVF_TRAP	0xd4	/* [floating overflow] */
425#define	    FPE_FLTNAN_TRAP	0xd8	/* [floating Not-A-Number] */
426#ifdef	sun
427#define	    FPE_FPA_ENABLE	0x400	/* [FPA not enabled] */
428#define	    FPE_FPA_ERROR	0x404	/* [FPA arithmetic exception] */
429#endif	/* sun */
430#endif	/* mc68000 */
431#ifdef	sparc
432#define	    FPE_INTOVF_TRAP	0x1	/* integer overflow */
433#define	    FPE_STARTSIG_TRAP	0x2	/* process using fp */
434#define	    FPE_INTDIV_TRAP	0x14	/* integer divide by zero */
435#define	    FPE_FLTINEX_TRAP	0xc4	/* [floating inexact result] */
436#define	    FPE_FLTDIV_TRAP	0xc8	/* [floating divide by zero] */
437#define	    FPE_FLTUND_TRAP	0xcc	/* [floating underflow] */
438#define	    FPE_FLTOPERR_TRAP	0xd0	/* [floating operand error] */
439#define	    FPE_FLTOVF_TRAP	0xd4	/* [floating overflow] */
440#endif	/* sparc */
441
442/*
443 * The codes for SIGBUS and SIGSEGV are described in <vm/faultcode.h>
444 * These are the same between SunOS4.1 and SunOS5.0
445 */
446
447#include <vm/faultcode.h>
448
449#define	    BUS_HWERR	FC_HWERR	/* misc hardware error (e.g. timeout) */
450#define	    BUS_ALIGN	FC_ALIGN	/* hardware alignment error */
451#ifdef	BUS_OBJERR	/* namespace conflict with SysV */
452#undef	BUS_OBJERR
453#endif
454#define	    BUS_OBJERR	FC_OBJERR	/* object returned errno value */
455/*
456 * The BUS_CODE(code) will be one of the above.  In the BUS_OBJERR case,
457 * doing a BUS_ERRNO(code) gives an errno value reported by the underlying
458 * file object mapped at the fault address.  Note that this appears to be
459 * duplicated with the segmentation fault case below -- unfortunate, since
460 * the specification has always claimed that such errors produce SIGBUS.
461 * The segmentation cases are left defined as a transition aid.
462 */
463#define	    BUS_CODE(C)		FC_CODE(C)
464#define	    BUS_ERRNO(C)	FC_ERRNO(C)
465
466#define	    SEGV_NOMAP	FC_NOMAP	/* no mapping at the fault address */
467#define	    SEGV_PROT	FC_PROT		/* access exceeded protections */
468#define	    SEGV_OBJERR	FC_OBJERR	/* object returned errno value */
469/*
470 * The SEGV_CODE(code) will be SEGV_NOMAP, SEGV_PROT, or SEGV_OBJERR.
471 * In the SEGV_OBJERR case, doing a SEGV_ERRNO(code) gives an errno value
472 * reported by the underlying file object mapped at the fault address.
473 */
474#define	    SEGV_CODE(C)	FC_CODE(C)
475#define	    SEGV_ERRNO(C)	FC_ERRNO(C)
476#define	    SEGV_MAKE_ERR(e)	FC_MAKE_ERR(e)
477
478#define	SIG_NOADDR	((char *)~0)
479
480#if defined(lint)
481#define	BADSIG (void(*)())0
482#else
483#define	BADSIG (void(*)())-1
484#endif
485
486#ifdef	__cplusplus
487}
488#endif
489
490#endif /* _UCB_SYS_SIGNAL_H */
491