/* $NetBSD: siginfo.h,v 1.33.2.1 2019/10/15 18:32:13 martin Exp $ */ /*- * Copyright (c) 2002 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Christos Zoulas. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #ifndef _SYS_SIGINFO_H_ #define _SYS_SIGINFO_H_ #include #include #ifdef _KERNEL #include #endif typedef union sigval { int sival_int; void *sival_ptr; } sigval_t; struct _ksiginfo { int _signo; int _code; int _errno; #ifdef _LP64 /* In _LP64 the union starts on an 8-byte boundary. */ int _pad; #endif union { struct { pid_t _pid; uid_t _uid; sigval_t _value; } _rt; struct { pid_t _pid; uid_t _uid; int _status; clock_t _utime; clock_t _stime; } _child; struct { void *_addr; int _trap; int _trap2; int _trap3; } _fault; struct { long _band; int _fd; } _poll; struct { int _sysnum; int _retval[2]; int _error; uint64_t _args[8]; /* SYS_MAXSYSARGS */ } _syscall; struct { int _pe_report_event; union { pid_t _pe_other_pid; lwpid_t _pe_lwp; } _option; } _ptrace_state; } _reason; }; #ifdef _KERNEL typedef struct ksiginfo { u_long ksi_flags; /* 4 or 8 bytes (LP64) */ TAILQ_ENTRY(ksiginfo) ksi_list; struct _ksiginfo ksi_info; lwpid_t ksi_lid; /* 0, or directed to LWP */ } ksiginfo_t; #define KSI_TRAP 0x01 /* signal caused by trap */ #define KSI_EMPTY 0x02 /* no additional information */ #define KSI_QUEUED 0x04 /* on a sigpend_t queue */ #define KSI_FROMPOOL 0x08 /* allocated from the ksiginfo pool */ /* Macros to initialize a ksiginfo_t. */ #define KSI_INIT(ksi) \ do { \ memset((ksi), 0, sizeof(*(ksi))); \ } while (/*CONSTCOND*/0) #define KSI_INIT_EMPTY(ksi) \ do { \ KSI_INIT((ksi)); \ (ksi)->ksi_flags = KSI_EMPTY; \ } while (/*CONSTCOND*/0) #define KSI_INIT_TRAP(ksi) \ do { \ KSI_INIT((ksi)); \ (ksi)->ksi_flags = KSI_TRAP; \ } while (/*CONSTCOND*/0) /* Copy the part of ksiginfo_t without the queue pointers */ #define KSI_COPY(fksi, tksi) \ do { \ (tksi)->ksi_info = (fksi)->ksi_info; \ (tksi)->ksi_flags = (fksi)->ksi_flags; \ } while (/*CONSTCOND*/0) /* Predicate macros to test how a ksiginfo_t was generated. */ #define KSI_TRAP_P(ksi) (((ksi)->ksi_flags & KSI_TRAP) != 0) #define KSI_EMPTY_P(ksi) (((ksi)->ksi_flags & KSI_EMPTY) != 0) /* * Old-style signal handler "code" arguments were only non-zero for * signals caused by traps. */ #define KSI_TRAPCODE(ksi) (KSI_TRAP_P(ksi) ? (ksi)->ksi_trap : 0) #endif /* _KERNEL */ typedef union siginfo { char si_pad[128]; /* Total size; for future expansion */ struct _ksiginfo _info; } siginfo_t; /** Field access macros */ #define si_signo _info._signo #define si_code _info._code #define si_errno _info._errno #define si_value _info._reason._rt._value #define si_pid _info._reason._child._pid #define si_uid _info._reason._child._uid #define si_status _info._reason._child._status #define si_utime _info._reason._child._utime #define si_stime _info._reason._child._stime #define si_addr _info._reason._fault._addr #define si_trap _info._reason._fault._trap #define si_trap2 _info._reason._fault._trap2 #define si_trap3 _info._reason._fault._trap3 #define si_band _info._reason._poll._band #define si_fd _info._reason._poll._fd #define si_sysnum _info._reason._syscall._sysnum #define si_retval _info._reason._syscall._retval #define si_error _info._reason._syscall._error #define si_args _info._reason._syscall._args #define si_pe_report_event _info._reason._ptrace_state._pe_report_event #define si_pe_other_pid _info._reason._ptrace_state._option._pe_other_pid #define si_pe_lwp _info._reason._ptrace_state._option._pe_lwp #ifdef _KERNEL /** Field access macros */ #define ksi_signo ksi_info._signo #define ksi_code ksi_info._code #define ksi_errno ksi_info._errno #define ksi_value ksi_info._reason._rt._value #define ksi_pid ksi_info._reason._child._pid #define ksi_uid ksi_info._reason._child._uid #define ksi_status ksi_info._reason._child._status #define ksi_utime ksi_info._reason._child._utime #define ksi_stime ksi_info._reason._child._stime #define ksi_addr ksi_info._reason._fault._addr #define ksi_trap ksi_info._reason._fault._trap #define ksi_trap2 ksi_info._reason._fault._trap2 #define ksi_trap3 ksi_info._reason._fault._trap3 #define ksi_band ksi_info._reason._poll._band #define ksi_fd ksi_info._reason._poll._fd #define ksi_sysnum ksi_info._reason._syscall._sysnum #define ksi_retval ksi_info._reason._syscall._retval #define ksi_error ksi_info._reason._syscall._error #define ksi_args ksi_info._reason._syscall._args #define ksi_pe_report_event ksi_info._reason._ptrace_state._pe_report_event #define ksi_pe_other_pid ksi_info._reason._ptrace_state._option._pe_other_pid #define ksi_pe_lwp ksi_info._reason._ptrace_state._option._pe_lwp #endif /* _KERNEL */ /** si_code */ /* SIGILL */ #define ILL_ILLOPC 1 /* Illegal opcode */ #define ILL_ILLOPN 2 /* Illegal operand */ #define ILL_ILLADR 3 /* Illegal addressing mode */ #define ILL_ILLTRP 4 /* Illegal trap */ #define ILL_PRVOPC 5 /* Privileged opcode */ #define ILL_PRVREG 6 /* Privileged register */ #define ILL_COPROC 7 /* Coprocessor error */ #define ILL_BADSTK 8 /* Internal stack error */ /* SIGFPE */ #define FPE_INTDIV 1 /* Integer divide by zero */ #define FPE_INTOVF 2 /* Integer overflow */ #define FPE_FLTDIV 3 /* Floating point divide by zero */ #define FPE_FLTOVF 4 /* Floating point overflow */ #define FPE_FLTUND 5 /* Floating point underflow */ #define FPE_FLTRES 6 /* Floating point inexact result */ #define FPE_FLTINV 7 /* Invalid Floating point operation */ #define FPE_FLTSUB 8 /* Subscript out of range */ /* SIGSEGV */ #define SEGV_MAPERR 1 /* Address not mapped to object */ #define SEGV_ACCERR 2 /* Invalid permissions for mapped object*/ /* SIGBUS */ #define BUS_ADRALN 1 /* Invalid address alignment */ #define BUS_ADRERR 2 /* Non-existent physical address */ #define BUS_OBJERR 3 /* Object specific hardware error */ /* SIGTRAP */ #define TRAP_BRKPT 1 /* Process breakpoint */ #define TRAP_TRACE 2 /* Process trace trap */ #define TRAP_EXEC 3 /* Process exec trap */ #define TRAP_CHLD 4 /* Process child trap */ #define TRAP_LWP 5 /* Process lwp trap */ #define TRAP_DBREG 6 /* Process hardware debug register trap */ #define TRAP_SCE 7 /* Process syscall entry trap */ #define TRAP_SCX 8 /* Process syscall exit trap */ /* SIGCHLD */ #define CLD_EXITED 1 /* Child has exited */ #define CLD_KILLED 2 /* Child has terminated abnormally but */ /* did not create a core file */ #define CLD_DUMPED 3 /* Child has terminated abnormally and */ /* created a core file */ #define CLD_TRAPPED 4 /* Traced child has trapped */ #define CLD_STOPPED 5 /* Child has stopped */ #define CLD_CONTINUED 6 /* Stopped child has continued */ /* SIGIO */ #define POLL_IN 1 /* Data input available */ #define POLL_OUT 2 /* Output buffers available */ #define POLL_MSG 3 /* Input message available */ #define POLL_ERR 4 /* I/O Error */ #define POLL_PRI 5 /* High priority input available */ #define POLL_HUP 6 /* Device disconnected */ /** si_code */ #define SI_USER 0 /* Sent by kill(2) */ #define SI_QUEUE -1 /* Sent by the sigqueue(2) */ #define SI_TIMER -2 /* Generated by expiration of a timer */ /* set by timer_settime(2) */ #define SI_ASYNCIO -3 /* Generated by completion of an */ /* asynchronous I/O signal */ #define SI_MESGQ -4 /* Generated by arrival of a message on */ /* an empty message queue */ #if defined(_KERNEL) || defined(_NETBSD_SOURCE) #define SI_LWP -5 /* Generated by _lwp_kill(2) */ #define SI_NOINFO 32767 /* No signal specific info available */ #endif #endif /* !_SYS_SIGINFO_H_ */