/* $OpenBSD: siginfo.h,v 1.14 2024/02/21 15:53:07 deraadt Exp $ */ /* * Copyright (c) 1997 Theo de Raadt * All rights reserved. * * 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 AUTHOR ``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 AUTHOR 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 <sys/cdefs.h> union sigval { int sival_int; /* integer value */ void *sival_ptr; /* pointer value */ }; /* * Negative signal codes are reserved for future use for * user generated signals. */ #define SI_FROMUSER(sip) ((sip)->si_code <= 0) #define SI_FROMKERNEL(sip) ((sip)->si_code > 0) #define SI_NOINFO 32767 /* no signal information */ #define SI_USER 0 /* user generated signal via kill() */ #define SI_LWP (-1) /* user generated signal via lwp_kill()*/ #define SI_QUEUE (-2) /* user generated signal via sigqueue()*/ #define SI_TIMER (-3) /* from timer expiration */ #if __POSIX_VISIBLE >= 199309 || __XPG_VISIBLE /* * The machine dependent signal codes (SIGILL, SIGFPE, * SIGSEGV, and SIGBUS) */ #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 /* co-processor */ #define ILL_BADSTK 8 /* bad stack */ #define ILL_BTCFI 9 /* IBT missing on indirect call */ #define NSIGILL 9 #define EMT_TAGOVF 1 /* tag overflow */ #define NSIGEMT 1 #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 */ #define NSIGFPE 8 #define SEGV_MAPERR 1 /* address not mapped to object */ #define SEGV_ACCERR 2 /* invalid permissions */ #define NSIGSEGV 2 #define BUS_ADRALN 1 /* invalid address alignment */ #define BUS_ADRERR 2 /* non-existent physical address */ #define BUS_OBJERR 3 /* object specific hardware error */ #define NSIGBUS 3 #endif /* __POSIX_VISIBLE >= 199309 || __XPG_VISIBLE */ /* * SIGTRAP signal codes */ #define TRAP_BRKPT 1 /* breakpoint trap */ #define TRAP_TRACE 2 /* trace trap */ #define NSIGTRAP 2 /* * SIGCHLD signal codes */ #define CLD_EXITED 1 /* child has exited */ #define CLD_KILLED 2 /* child was killed */ #define CLD_DUMPED 3 /* child has coredumped */ #define CLD_TRAPPED 4 /* traced child has stopped */ #define CLD_STOPPED 5 /* child has stopped on signal */ #define CLD_CONTINUED 6 /* stopped child has continued */ #define NSIGCLD 6 #if 0 /* * SIGPOLL signal codes - not supported */ #define POLL_IN 1 /* input available */ #define POLL_OUT 2 /* output possible */ #define POLL_MSG 3 /* message available */ #define POLL_ERR 4 /* I/O error */ #define POLL_PRI 5 /* high priority input available */ #define POLL_HUP 6 /* device disconnected */ #define NSIGPOLL 6 /* * SIGPROF signal codes - not supported */ #define PROF_SIG 1 /* have to set code non-zero */ #define NSIGPROF 1 #endif #define SI_MAXSZ 128 #define SI_PAD ((SI_MAXSZ / sizeof (int)) - 3) #include <sys/time.h> typedef struct { int si_signo; /* signal from signal.h */ int si_code; /* code from above */ int si_errno; /* error from errno.h */ union { int _pad[SI_PAD]; /* for future growth */ struct { /* kill(), SIGCHLD */ pid_t _pid; /* process ID */ uid_t _uid; union { struct { union sigval _value; } _kill; struct { clock_t _utime; clock_t _stime; int _status; } _cld; } _pdata; } _proc; struct { /* SIGSEGV, SIGBUS, SIGILL and SIGFPE */ void *_addr; /* faulting address */ int _trapno; /* illegal trap number */ } _fault; #if 0 struct { /* SIGPOLL, SIGXFSZ */ /* fd not currently available for SIGPOLL */ int _fd; /* file descriptor */ long _band; } _file; struct { /* SIGPROF */ caddr_t _faddr; /* last fault address */ timespec _tstamp; /* real time stamp */ short _syscall; /* current syscall */ char _nsysarg; /* number of arguments */ char _fault; /* last fault type */ long _sysarg[8]; /* syscall arguments */ long _mstate[17]; /* exactly fills struct*/ } _prof; #endif } _data; } siginfo_t; #define si_pid _data._proc._pid #define si_uid _data._proc._uid #define si_status _data._proc._pdata._cld._status #define si_stime _data._proc._pdata._cld._stime #define si_utime _data._proc._pdata._cld._utime #define si_value _data._proc._pdata._kill._value #define si_addr _data._fault._addr #define si_trapno _data._fault._trapno #define si_fd _data._file._fd #define si_band _data._file._band #define si_tstamp _data._prof._tstamp #define si_syscall _data._prof._syscall #define si_nsysarg _data._prof._nsysarg #define si_sysarg _data._prof._sysarg #define si_fault _data._prof._fault #define si_faddr _data._prof._faddr #define si_mstate _data._prof._mstate #if defined(_KERNEL) void initsiginfo(siginfo_t *, int, u_long, int, union sigval); #endif #endif /* _SYS_SIGINFO_H */
