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/*-
* 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_ */
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