/*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 2004 Tim J. Robbins * Copyright (c) 2001 Doug Rabson * Copyright (c) 1994-1996 Søren Schmidt * All rights reserved. * Copyright (c) 2022 Dmitry Chagin <dchagin@FreeBSD.org> * * 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 * in this position and unchanged. * 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. * 3. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission * * 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 _LINUX_SIGINFO_H_ #define _LINUX_SIGINFO_H_ /* * si_code values */ #define LINUX_SI_USER 0 /* sent by kill, sigsend, raise */ #define LINUX_SI_KERNEL 0x80 /* sent by the kernel from somewhere */ #define LINUX_SI_QUEUE -1 /* sent by sigqueue */ #define LINUX_SI_TIMER -2 /* sent by timer expiration */ #define LINUX_SI_MESGQ -3 /* sent by real time mesq state change */ #define LINUX_SI_ASYNCIO -4 /* sent by AIO completion */ #define LINUX_SI_SIGIO -5 /* sent by queued SIGIO */ #define LINUX_SI_TKILL -6 /* sent by tkill system call */ /* * SIGILL si_codes */ #define LINUX_ILL_ILLOPC 1 /* illegal opcode */ #define LINUX_ILL_ILLOPN 2 /* illegal operand */ #define LINUX_ILL_ILLADR 3 /* illegal addressing mode */ #define LINUX_ILL_ILLTRP 4 /* illegal trap */ #define LINUX_ILL_PRVOPC 5 /* privileged opcode */ #define LINUX_ILL_PRVREG 6 /* privileged register */ #define LINUX_ILL_COPROC 7 /* coprocessor error */ #define LINUX_ILL_BADSTK 8 /* internal stack error */ #define LINUX_ILL_BADIADDR 9 /* unimplemented instruction address */ #define LINUX___ILL_BREAK 10 /* (ia64) illegal break */ #define LINUX___ILL_BNDMOD 11 /* (ia64) bundle-update (modification) * in progress */ /* * SIGFPE si_codes */ #define LINUX_FPE_INTDIV 1 /* integer divide by zero */ #define LINUX_FPE_INTOVF 2 /* integer overflow */ #define LINUX_FPE_FLTDIV 3 /* floating point divide by zero */ #define LINUX_FPE_FLTOVF 4 /* floating point overflow */ #define LINUX_FPE_FLTUND 5 /* floating point underflow */ #define LINUX_FPE_FLTRES 6 /* floating point inexact result */ #define LINUX_FPE_FLTINV 7 /* floating point invalid operation */ #define LINUX_FPE_FLTSUB 8 /* (ia64) subscript out of range */ #define LINUX___FPE_DECOVF 9 /* (ia64) decimal overflow */ #define LINUX___FPE_DECDIV 10 /* (ia64) decimal division by zero */ #define LINUX___FPE_DECERR 11 /* (ia64) packed decimal error */ #define LINUX___FPE_INVASC 12 /* (ia64) invalid ASCII digit */ #define LINUX___FPE_INVDEC 13 /* (ia64) invalid decimal digit */ #define LINUX_FPE_FLTUNK 14 /* undiagnosed floating-point exception */ #define LINUX_FPE_CONDTRAP 15 /* trap on condition */ /* * SIGSEGV si_codes */ #define LINUX_SEGV_MAPERR 1 /* address not mapped to object */ #define LINUX_SEGV_ACCERR 2 /* invalid permissions for mapped object */ #define LINUX_SEGV_BNDERR 3 /* failed address bound checks */ #ifdef __ia64__ #define LINUX___SEGV_PSTKOVF 4 /* paragraph stack overflow */ #else #define LINUX_SEGV_PKUERR 4 /* failed protection key checks */ #endif #define LINUX_SEGV_ACCADI 5 /* ADI not enabled for mapped object */ #define LINUX_SEGV_ADIDERR 6 /* Disrupting MCD error */ #define LINUX_SEGV_ADIPERR 7 /* Precise MCD exception */ #define LINUX_SEGV_MTEAERR 8 /* Asynchronous ARM MTE error */ #define LINUX_SEGV_MTESERR 9 /* Synchronous ARM MTE exception */ /* * SIGBUS si_codes */ #define LINUX_BUS_ADRALN 1 /* invalid address alignment */ #define LINUX_BUS_ADRERR 2 /* non-existent physical address */ #define LINUX_BUS_OBJERR 3 /* object specific hardware error */ #define LINUX_BUS_MCEERR_AR 4 /* hardware memory error consumed * on a machine check: * action required */ #define LINUX_BUS_MCEERR_AO 5 /* hardware memory error detected * in process but not consumed: * action optional */ /* * SIGTRAP si_codes */ #define LINUX_TRAP_BRKPT 1 /* process breakpoint */ #define LINUX_TRAP_TRACE 2 /* process trace trap */ #define LINUX_TRAP_BRANCH 3 /* process taken branch trap */ #define LINUX_TRAP_HWBKPT 4 /* hardware breakpoint/watchpoint */ #define LINUX_TRAP_UNK 5 /* undiagnosed trap */ #define LINUX_TRAP_PERF 6 /* perf event with sigtrap=1 */ /* * SIGCHLD si_codes */ #define LINUX_CLD_EXITED 1 /* child has exited */ #define LINUX_CLD_KILLED 2 /* child was killed */ #define LINUX_CLD_DUMPED 3 /* child terminated abnormally */ #define LINUX_CLD_TRAPPED 4 /* traced child has trapped */ #define LINUX_CLD_STOPPED 5 /* child has stopped */ #define LINUX_CLD_CONTINUED 6 /* stopped child has continued */ /* * SIGPOLL (or any other signal without signal specific si_codes) si_codes */ #define LINUX_POLL_IN 1 /* data input available */ #define LINUX_POLL_OUT 2 /* output buffers available */ #define LINUX_POLL_MSG 3 /* input message available */ #define LINUX_POLL_ERR 4 /* i/o error */ #define LINUX_POLL_PRI 5 /* high priority input available */ #define LINUX_POLL_HUP 6 /* device disconnected */ /* * SIGSYS si_codes */ #define LINUX_SYS_SECCOMP 1 /* seccomp triggered */ #define LINUX_SYS_USER_DISPATCH 2 /* syscall user dispatch triggered */ /* * SIGEMT si_codes */ #define LINUX_EMT_TAGOVF 1 /* tag overflow */ typedef union l_sigval { l_int sival_int; l_uintptr_t sival_ptr; } l_sigval_t; #define LINUX_SI_MAX_SIZE 128 union __sifields { struct { l_pid_t _pid; l_uid_t _uid; } _kill; struct { l_timer_t _tid; l_int _overrun; char _pad[sizeof(l_uid_t) - sizeof(int)]; union l_sigval _sigval; l_uint _sys_private; } _timer; struct { l_pid_t _pid; /* sender's pid */ l_uid_t _uid; /* sender's uid */ union l_sigval _sigval; } _rt; struct { l_pid_t _pid; /* which child */ l_uid_t _uid; /* sender's uid */ l_int _status; /* exit code */ l_clock_t _utime; l_clock_t _stime; } _sigchld; struct { l_uintptr_t _addr; /* Faulting insn/memory ref. */ } _sigfault; struct { l_long _band; /* POLL_IN,POLL_OUT,POLL_MSG */ l_int _fd; } _sigpoll; }; typedef struct l_siginfo { union { struct { l_int lsi_signo; l_int lsi_errno; l_int lsi_code; union __sifields _sifields; }; l_int _pad[LINUX_SI_MAX_SIZE/sizeof(l_int)]; }; } l_siginfo_t; _Static_assert(sizeof(l_siginfo_t) == LINUX_SI_MAX_SIZE, "l_siginfo_t size"); #define lsi_pid _sifields._kill._pid #define lsi_uid _sifields._kill._uid #define lsi_tid _sifields._timer._tid #define lsi_overrun _sifields._timer._overrun #define lsi_sys_private _sifields._timer._sys_private #define lsi_status _sifields._sigchld._status #define lsi_utime _sifields._sigchld._utime #define lsi_stime _sifields._sigchld._stime #define lsi_value _sifields._rt._sigval #define lsi_int _sifields._rt._sigval.sival_int #define lsi_ptr _sifields._rt._sigval.sival_ptr #define lsi_addr _sifields._sigfault._addr #define lsi_band _sifields._sigpoll._band #define lsi_fd _sifields._sigpoll._fd #endif /* _LINUX_SIGINFO_H_ */
