OpenSolaris_b135/ucbhead/sys/signal.h
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
/*
* University Copyright- Copyright (c) 1982, 1986, 1988
* The Regents of the University of California
* All Rights Reserved
*
* University Acknowledgment- Portions of this document are derived from
* software developed by the University of California, Berkeley, and its
* contributors.
*/
#ifndef _UCB_SYS_SIGNAL_H
#define _UCB_SYS_SIGNAL_H
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* 4.3BSD signal compatibility header
*
* this file includes all standard SVR4 header info, plus the 4.3BSD
* structures - 4.3BSD signal codes are translated to SVR4 generic
* signal codes where applicable
*/
#ifdef __cplusplus
extern "C" {
#endif
/*
* SysV <signal.h>
*/
/* ---- <signal.h> ---- */
/* Copyright (c) 1988 AT&T */
/* All Rights Reserved */
#ifndef _SIGNAL_H
#define _SIGNAL_H
/* ---- <sys/signal.h> ---- */
/* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
#ifndef _SYS_SIGNAL_H
#define _SYS_SIGNAL_H
#define SIGHUP 1 /* hangup */
#define SIGINT 2 /* interrupt (rubout) */
#define SIGQUIT 3 /* quit (ASCII FS) */
#define SIGILL 4 /* illegal instruction (not reset when caught) */
#define SIGTRAP 5 /* trace trap (not reset when caught) */
#define SIGIOT 6 /* IOT instruction */
#define SIGABRT 6 /* used by abort, replace SIGIOT in the future */
#define SIGEMT 7 /* EMT instruction */
#define SIGFPE 8 /* floating point exception */
#define SIGKILL 9 /* kill (cannot be caught or ignored) */
#define SIGBUS 10 /* bus error */
#define SIGSEGV 11 /* segmentation violation */
#define SIGSYS 12 /* bad argument to system call */
#define SIGPIPE 13 /* write on a pipe with no one to read it */
#define SIGALRM 14 /* alarm clock */
#define SIGTERM 15 /* software termination signal from kill */
#define SIGUSR1 16 /* user defined signal 1 */
#define SIGUSR2 17 /* user defined signal 2 */
#define SIGCLD 18 /* child status change */
#define SIGCHLD 18 /* child status change alias (POSIX) */
#define SIGPWR 19 /* power-fail restart */
#define SIGWINCH 20 /* window size change */
#define SIGURG 21 /* urgent socket condition */
#define SIGPOLL 22 /* pollable event occured */
#define SIGIO SIGPOLL /* socket I/O possible (SIGPOLL alias) */
#define SIGSTOP 23 /* stop (cannot be caught or ignored) */
#define SIGTSTP 24 /* user stop requested from tty */
#define SIGCONT 25 /* stopped process has been continued */
#define SIGTTIN 26 /* background tty read attempted */
#define SIGTTOU 27 /* background tty write attempted */
#define SIGVTALRM 28 /* virtual timer expired */
#define SIGPROF 29 /* profiling timer expired */
#define SIGXCPU 30 /* exceeded cpu limit */
#define SIGXFSZ 31 /* exceeded file size limit */
#define SIGWAITING 32 /* process's lwps are blocked */
#define SIGLWP 33 /* special signal used by thread library */
#if defined(__cplusplus)
typedef void SIG_FUNC_TYP(int);
typedef SIG_FUNC_TYP *SIG_TYP;
#define SIG_PF SIG_TYP
#define SIG_DFL (SIG_PF)0
#define SIG_ERR (SIG_PF)-1
#define SIG_IGN (SIG_PF)1
#define SIG_HOLD (SIG_PF)2
#elif defined(lint)
#define SIG_DFL (void(*)(int))0
#define SIG_ERR (void(*)(int))0
#define SIG_IGN (void (*)(int))0
#define SIG_HOLD (void(*)(int))0
#else
#define SIG_DFL (void(*)())0
#define SIG_ERR (void(*)())-1
#define SIG_IGN (void (*)())1
#define SIG_HOLD (void(*)())2
#endif
#define SIG_BLOCK 1
#define SIG_UNBLOCK 2
#define SIG_SETMASK 3
#define SIGNO_MASK 0xFF
#define SIGDEFER 0x100
#define SIGHOLD 0x200
#define SIGRELSE 0x400
#define SIGIGNORE 0x800
#define SIGPAUSE 0x1000
#if !defined(_STRICT_STDC) || defined(_POSIX_SOURCE)
#ifndef _SIGSET_T
#define _SIGSET_T
typedef struct { /* signal set type */
unsigned int __sigbits[4];
} sigset_t;
#endif /* _SIGSET_T */
typedef struct {
unsigned int __sigbits[2];
} k_sigset_t;
struct sigaction {
int sa_flags;
#if defined(__cplusplus)
void (*sa_handler)(int);
#else
void (*sa_handler)();
#endif
sigset_t sa_mask;
int sa_resv[2];
};
/* this is only valid for SIGCLD */
#define SA_NOCLDSTOP 0x00020000 /* don't send job control SIGCLD's */
#endif
#if !defined(_STRICT_STDC) && !defined(_POSIX_SOURCE)
/* non-comformant ANSI compilation */
/* definitions for the sa_flags field */
#define SA_ONSTACK 0x00000001
#define SA_RESETHAND 0x00000002
#define SA_RESTART 0x00000004
#define SA_SIGINFO 0x00000008
#define SA_NODEFER 0x00000010
/* this is only valid for SIGCLD */
#define SA_NOCLDWAIT 0x00010000 /* don't save zombie children */
#define NSIG 34 /* valid signals range from 1 to NSIG-1 */
#define MAXSIG 33 /* size of u_signal[], NSIG-1 <= MAXSIG */
#define MINSIGSTKSZ 2048
#define SIGSTKSZ 8192
#define SS_ONSTACK 0x00000001
#define SS_DISABLE 0x00000002
struct sigaltstack {
char *ss_sp;
int ss_size;
int ss_flags;
};
typedef struct sigaltstack stack_t;
#endif /* __STDC__ && !POSIX */
#endif /* _SYS_SIGNAL_H */
/* ---- end of SysV <sys/signal.h> ---- */
typedef int sig_atomic_t;
#if defined(__STDC__)
extern const char *_sys_siglist[];
extern const int _sys_nsig;
#ifdef __cplusplus
extern "C" SIG_PF signal(int, SIG_PF);
#else
extern void (*signal(int, void (*)(int)))(int);
#endif
extern int raise(int);
#if !defined(_STRICT_STDC) || defined(_POSIX_SOURCE) || \
defined(_XOPEN_SOURCE)
extern int kill(pid_t, int);
extern int sigaction(int, const struct sigaction *, struct sigaction *);
extern int sigaddset(sigset_t *, int);
extern int sigdelset(sigset_t *, int);
extern int sigemptyset(sigset_t *);
extern int sigfillset(sigset_t *);
extern int sigismember(const sigset_t *, int);
extern int sigpending(sigset_t *);
extern int sigprocmask(int, const sigset_t *, sigset_t *);
extern int sigsuspend(const sigset_t *);
#endif
#if !defined(_STRICT_STDC) && !defined(_POSIX_SOURCE)
extern int gsignal(int);
extern void (*sigset(int, void (*)(int)))(int);
extern int sighold(int);
extern int sigrelse(int);
extern int sigignore(int);
extern int sigpause(int);
extern int (*ssignal(int, int (*)(int)))(int);
extern int sigaltstack(const stack_t *, stack_t *);
/* extern int sigsend(idtype_t, id_t, int); */
/* extern int sigsendset(const procset_t *, int); */
#endif
#else
extern char *_sys_siglist[];
extern int _sys_nsig;
extern void(*signal())();
extern void(*sigset())();
#endif /* __STDC__ */
#endif /* _SIGNAL_H */
/* ---- end of SysV <signal.h> ---- */
#define sigmask(m) (m > 32 ? 0 : (1 << ((m)-1)))
/*
* 4.3BSD structure used in sigstack call.
*/
struct sigstack {
char *ss_sp; /* signal stack pointer */
int ss_onstack; /* current status */
};
#define SV_ONSTACK 0x0001 /* take signal on signal stack */
#define SV_INTERRUPT 0x0002 /* do not restart system on signal return */
#define SV_RESETHAND 0x0004 /* reset handler to SIG_DFL when signal taken */
#define sv_onstack sv_flags
struct sigcontext {
int sc_onstack; /* sigstack state to restore */
int sc_mask; /* signal mask to restore */
#ifdef u3b2
int sc_sp; /* sp to restore */
int sc_fp; /* fp to restore */
int sc_ap; /* ap to restore */
int sc_pc; /* pc to restore */
int sc_ps; /* psw to restore */
#endif
#ifdef vax
int sc_sp; /* sp to restore */
int sc_fp; /* fp to restore */
int sc_ap; /* ap to restore */
int sc_pc; /* pc to restore */
int sc_ps; /* psl to restore */
#endif /* vax */
#ifdef mc68000
int sc_sp; /* sp to restore */
int sc_pc; /* pc to retore */
int sc_ps; /* psl to restore */
#endif /* mc68000 */
#ifdef __sparc
#define MAXWINDOW 31 /* max usable windows in sparc */
long sc_sp; /* sp to restore */
long sc_pc; /* pc to retore */
long sc_npc; /* next pc to restore */
long sc_psr; /* psr to restore */
/* aliased to REG_CCR for sparcv9 */
long sc_g1; /* register that must be restored */
long sc_o0;
int sc_wbcnt; /* number of outstanding windows */
char *sc_spbuf[MAXWINDOW]; /* sp's for each wbuf */
long sc_wbuf[MAXWINDOW][16]; /* outstanding window save buffer */
#endif /* __sparc */
#if defined(__amd64)
long sc_sp; /* sp to restore */
long sc_pc; /* pc to retore */
long sc_ps; /* psl to restore */
long sc_rax; /* rax to restore */
long sc_rdx; /* rdx to restore */
#define sc_r0 sc_rax
#define sc_r1 sc_rdx
#elif defined(__i386)
int sc_sp; /* sp to restore */
int sc_pc; /* pc to retore */
int sc_ps; /* psl to restore */
int sc_eax; /* eax to restore */
int sc_edx; /* edx to restore */
#define sc_r0 sc_eax
#define sc_r1 sc_edx
#endif
};
/*
* 4.3BSD signal vector structure used in sigvec call.
*/
struct sigvec {
#if defined(__cplusplus)
void (*sv_handler)(int, int, struct sigcontext *, char *);
#else
void (*sv_handler)(); /* signal handler */
#endif
int sv_mask; /* signal mask to apply */
int sv_flags; /* see signal options below */
};
#if defined(__STDC__)
extern int sigvec(int, struct sigvec *, struct sigvec *);
extern int sigblock(int);
extern int sigsetmask(int);
#endif
/*
* Signal codes taken verbatim from SunOS4.1
*/
#ifdef vax
#define ILL_RESAD_FAULT 0x0 /* reserved addressing fault */
#define ILL_PRIVIN_FAULT 0x1 /* privileged instruction fault */
#define ILL_RESOP_FAULT 0x2 /* reserved operand fault */
#endif /* vax */
#ifdef mc68000
#define ILL_ILLINSTR_FAULT 0x10 /* illegal instruction fault */
#define ILL_PRIVVIO_FAULT 0x20 /* privilege violation fault */
#define ILL_COPROCERR_FAULT 0x34 /* [coprocessor protocol error fault] */
#define ILL_TRAP1_FAULT 0x84 /* trap #1 fault */
#define ILL_TRAP2_FAULT 0x88 /* trap #2 fault */
#define ILL_TRAP3_FAULT 0x8c /* trap #3 fault */
#define ILL_TRAP4_FAULT 0x90 /* trap #4 fault */
#define ILL_TRAP5_FAULT 0x94 /* trap #5 fault */
#define ILL_TRAP6_FAULT 0x98 /* trap #6 fault */
#define ILL_TRAP7_FAULT 0x9c /* trap #7 fault */
#define ILL_TRAP8_FAULT 0xa0 /* trap #8 fault */
#define ILL_TRAP9_FAULT 0xa4 /* trap #9 fault */
#define ILL_TRAP10_FAULT 0xa8 /* trap #10 fault */
#define ILL_TRAP11_FAULT 0xac /* trap #11 fault */
#define ILL_TRAP12_FAULT 0xb0 /* trap #12 fault */
#define ILL_TRAP13_FAULT 0xb4 /* trap #13 fault */
#define ILL_TRAP14_FAULT 0xb8 /* trap #14 fault */
#endif /* mc68000 */
#ifdef sparc
#define ILL_STACK 0x00 /* bad stack */
#define ILL_ILLINSTR_FAULT 0x02 /* illegal instruction fault */
#define ILL_PRIVINSTR_FAULT 0x03 /* privileged instruction fault */
/* codes from 0x80 to 0xff are software traps */
#define ILL_TRAP_FAULT(n) ((n)+0x80) /* trap n fault */
#endif /* sparc */
#if defined(__i386) || defined(__amd64)
#define ILL_ILLINSTR_FAULT 0x02 /* illegal instruction fault */
#endif
#ifdef mc68000
#define EMT_EMU1010 0x28 /* line 1010 emulator trap */
#define EMT_EMU1111 0x2c /* line 1111 emulator trap */
#endif /* mc68000 */
#ifdef sparc
#define EMT_TAG 0x0a /* tag overflow */
#endif /* sparc */
#ifdef vax
#define FPE_INTOVF_TRAP 0x1 /* integer overflow */
#define FPE_INTDIV_TRAP 0x2 /* integer divide by zero */
#define FPE_FLTOVF_TRAP 0x3 /* floating overflow */
#define FPE_FLTDIV_TRAP 0x4 /* floating/decimal divide by zero */
#define FPE_FLTUND_TRAP 0x5 /* floating underflow */
#define FPE_DECOVF_TRAP 0x6 /* decimal overflow */
#define FPE_SUBRNG_TRAP 0x7 /* subscript out of range */
#define FPE_FLTOVF_FAULT 0x8 /* floating overflow fault */
#define FPE_FLTDIV_FAULT 0x9 /* divide by zero floating fault */
#define FPE_FLTUND_FAULT 0xa /* floating underflow fault */
#endif /* vax */
#ifdef mc68000
#define FPE_INTDIV_TRAP 0x14 /* integer divide by zero */
#define FPE_CHKINST_TRAP 0x18 /* CHK [CHK2] instruction */
#define FPE_TRAPV_TRAP 0x1c /* TRAPV [cpTRAPcc TRAPcc] instr */
#define FPE_FLTBSUN_TRAP 0xc0 /* [branch or set on unordered cond] */
#define FPE_FLTINEX_TRAP 0xc4 /* [floating inexact result] */
#define FPE_FLTDIV_TRAP 0xc8 /* [floating divide by zero] */
#define FPE_FLTUND_TRAP 0xcc /* [floating underflow] */
#define FPE_FLTOPERR_TRAP 0xd0 /* [floating operand error] */
#define FPE_FLTOVF_TRAP 0xd4 /* [floating overflow] */
#define FPE_FLTNAN_TRAP 0xd8 /* [floating Not-A-Number] */
#ifdef sun
#define FPE_FPA_ENABLE 0x400 /* [FPA not enabled] */
#define FPE_FPA_ERROR 0x404 /* [FPA arithmetic exception] */
#endif /* sun */
#endif /* mc68000 */
#ifdef sparc
#define FPE_INTOVF_TRAP 0x1 /* integer overflow */
#define FPE_STARTSIG_TRAP 0x2 /* process using fp */
#define FPE_INTDIV_TRAP 0x14 /* integer divide by zero */
#define FPE_FLTINEX_TRAP 0xc4 /* [floating inexact result] */
#define FPE_FLTDIV_TRAP 0xc8 /* [floating divide by zero] */
#define FPE_FLTUND_TRAP 0xcc /* [floating underflow] */
#define FPE_FLTOPERR_TRAP 0xd0 /* [floating operand error] */
#define FPE_FLTOVF_TRAP 0xd4 /* [floating overflow] */
#endif /* sparc */
/*
* The codes for SIGBUS and SIGSEGV are described in <vm/faultcode.h>
* These are the same between SunOS4.1 and SunOS5.0
*/
#include <vm/faultcode.h>
#define BUS_HWERR FC_HWERR /* misc hardware error (e.g. timeout) */
#define BUS_ALIGN FC_ALIGN /* hardware alignment error */
#ifdef BUS_OBJERR /* namespace conflict with SysV */
#undef BUS_OBJERR
#endif
#define BUS_OBJERR FC_OBJERR /* object returned errno value */
/*
* The BUS_CODE(code) will be one of the above. In the BUS_OBJERR case,
* doing a BUS_ERRNO(code) gives an errno value reported by the underlying
* file object mapped at the fault address. Note that this appears to be
* duplicated with the segmentation fault case below -- unfortunate, since
* the specification has always claimed that such errors produce SIGBUS.
* The segmentation cases are left defined as a transition aid.
*/
#define BUS_CODE(C) FC_CODE(C)
#define BUS_ERRNO(C) FC_ERRNO(C)
#define SEGV_NOMAP FC_NOMAP /* no mapping at the fault address */
#define SEGV_PROT FC_PROT /* access exceeded protections */
#define SEGV_OBJERR FC_OBJERR /* object returned errno value */
/*
* The SEGV_CODE(code) will be SEGV_NOMAP, SEGV_PROT, or SEGV_OBJERR.
* In the SEGV_OBJERR case, doing a SEGV_ERRNO(code) gives an errno value
* reported by the underlying file object mapped at the fault address.
*/
#define SEGV_CODE(C) FC_CODE(C)
#define SEGV_ERRNO(C) FC_ERRNO(C)
#define SEGV_MAKE_ERR(e) FC_MAKE_ERR(e)
#define SIG_NOADDR ((char *)~0)
#if defined(lint)
#define BADSIG (void(*)())0
#else
#define BADSIG (void(*)())-1
#endif
#ifdef __cplusplus
}
#endif
#endif /* _UCB_SYS_SIGNAL_H */