1/* siginfo constants. Linux version.
2 Copyright (C) 1997-2026 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
18
19#ifndef _BITS_SIGINFO_CONSTS_H
20#define _BITS_SIGINFO_CONSTS_H 1
21
22#ifndef _SIGNAL_H
23#error "Don't include <bits/siginfo-consts.h> directly; use <signal.h> instead."
24#endif
25
26/* Most of these constants are uniform across all architectures, but there
27 is one exception. */
28#include <bits/siginfo-arch.h>
29#ifndef __SI_ASYNCIO_AFTER_SIGIO
30# define __SI_ASYNCIO_AFTER_SIGIO 1
31#endif
32
33/* Values for `si_code'. Positive values are reserved for kernel-generated
34 signals. */
35enum
36{
37 SI_ASYNCNL = -60, /* Sent by asynch name lookup completion. */
38 SI_DETHREAD = -7, /* Sent by execve killing subsidiary
39 threads. */
40 SI_TKILL, /* Sent by tkill. */
41 SI_SIGIO, /* Sent by queued SIGIO. */
42#if __SI_ASYNCIO_AFTER_SIGIO
43 SI_ASYNCIO, /* Sent by AIO completion. */
44 SI_MESGQ, /* Sent by real time mesq state change. */
45 SI_TIMER, /* Sent by timer expiration. */
46#else
47 SI_MESGQ,
48 SI_TIMER,
49 SI_ASYNCIO,
50#endif
51 SI_QUEUE, /* Sent by sigqueue. */
52 SI_USER, /* Sent by kill, sigsend. */
53 SI_KERNEL = 0x80 /* Send by kernel. */
54
55#define SI_ASYNCNL SI_ASYNCNL
56#define SI_DETHREAD SI_DETHREAD
57#define SI_TKILL SI_TKILL
58#define SI_SIGIO SI_SIGIO
59#define SI_ASYNCIO SI_ASYNCIO
60#define SI_MESGQ SI_MESGQ
61#define SI_TIMER SI_TIMER
62#define SI_ASYNCIO SI_ASYNCIO
63#define SI_QUEUE SI_QUEUE
64#define SI_USER SI_USER
65#define SI_KERNEL SI_KERNEL
66};
67
68
69# if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
70/* `si_code' values for SIGILL signal. */
71enum
72{
73 ILL_ILLOPC = 1, /* Illegal opcode. */
74# define ILL_ILLOPC ILL_ILLOPC
75 ILL_ILLOPN, /* Illegal operand. */
76# define ILL_ILLOPN ILL_ILLOPN
77 ILL_ILLADR, /* Illegal addressing mode. */
78# define ILL_ILLADR ILL_ILLADR
79 ILL_ILLTRP, /* Illegal trap. */
80# define ILL_ILLTRP ILL_ILLTRP
81 ILL_PRVOPC, /* Privileged opcode. */
82# define ILL_PRVOPC ILL_PRVOPC
83 ILL_PRVREG, /* Privileged register. */
84# define ILL_PRVREG ILL_PRVREG
85 ILL_COPROC, /* Coprocessor error. */
86# define ILL_COPROC ILL_COPROC
87 ILL_BADSTK, /* Internal stack error. */
88# define ILL_BADSTK ILL_BADSTK
89 ILL_BADIADDR /* Unimplemented instruction address. */
90# define ILL_BADIADDR ILL_BADIADDR
91};
92
93/* `si_code' values for SIGFPE signal. */
94enum
95{
96 FPE_INTDIV = 1, /* Integer divide by zero. */
97# define FPE_INTDIV FPE_INTDIV
98 FPE_INTOVF, /* Integer overflow. */
99# define FPE_INTOVF FPE_INTOVF
100 FPE_FLTDIV, /* Floating point divide by zero. */
101# define FPE_FLTDIV FPE_FLTDIV
102 FPE_FLTOVF, /* Floating point overflow. */
103# define FPE_FLTOVF FPE_FLTOVF
104 FPE_FLTUND, /* Floating point underflow. */
105# define FPE_FLTUND FPE_FLTUND
106 FPE_FLTRES, /* Floating point inexact result. */
107# define FPE_FLTRES FPE_FLTRES
108 FPE_FLTINV, /* Floating point invalid operation. */
109# define FPE_FLTINV FPE_FLTINV
110 FPE_FLTSUB, /* Subscript out of range. */
111# define FPE_FLTSUB FPE_FLTSUB
112 FPE_FLTUNK = 14, /* Undiagnosed floating-point exception. */
113# define FPE_FLTUNK FPE_FLTUNK
114 FPE_CONDTRAP /* Trap on condition. */
115# define FPE_CONDTRAP FPE_CONDTRAP
116};
117
118/* `si_code' values for SIGSEGV signal. */
119enum
120{
121 SEGV_MAPERR = 1, /* Address not mapped to object. */
122# define SEGV_MAPERR SEGV_MAPERR
123 SEGV_ACCERR, /* Invalid permissions for mapped object. */
124# define SEGV_ACCERR SEGV_ACCERR
125 SEGV_BNDERR, /* Bounds checking failure. */
126# define SEGV_BNDERR SEGV_BNDERR
127 SEGV_PKUERR, /* Protection key checking failure. */
128# define SEGV_PKUERR SEGV_PKUERR
129 SEGV_ACCADI, /* ADI not enabled for mapped object. */
130# define SEGV_ACCADI SEGV_ACCADI
131 SEGV_ADIDERR, /* Disrupting MCD error. */
132# define SEGV_ADIDERR SEGV_ADIDERR
133 SEGV_ADIPERR, /* Precise MCD exception. */
134# define SEGV_ADIPERR SEGV_ADIPERR
135 SEGV_MTEAERR, /* Asynchronous ARM MTE error. */
136# define SEGV_MTEAERR SEGV_MTEAERR
137 SEGV_MTESERR, /* Synchronous ARM MTE exception. */
138# define SEGV_MTESERR SEGV_MTESERR
139 SEGV_CPERR /* Control protection fault. */
140# define SEGV_CPERR SEGV_CPERR
141};
142
143/* `si_code' values for SIGBUS signal. */
144enum
145{
146 BUS_ADRALN = 1, /* Invalid address alignment. */
147# define BUS_ADRALN BUS_ADRALN
148 BUS_ADRERR, /* Non-existent physical address. */
149# define BUS_ADRERR BUS_ADRERR
150 BUS_OBJERR, /* Object specific hardware error. */
151# define BUS_OBJERR BUS_OBJERR
152 BUS_MCEERR_AR, /* Hardware memory error: action required. */
153# define BUS_MCEERR_AR BUS_MCEERR_AR
154 BUS_MCEERR_AO /* Hardware memory error: action optional. */
155# define BUS_MCEERR_AO BUS_MCEERR_AO
156};
157# endif
158
159# ifdef __USE_XOPEN_EXTENDED
160/* `si_code' values for SIGTRAP signal. */
161enum
162{
163 TRAP_BRKPT = 1, /* Process breakpoint. */
164# define TRAP_BRKPT TRAP_BRKPT
165 TRAP_TRACE, /* Process trace trap. */
166# define TRAP_TRACE TRAP_TRACE
167 TRAP_BRANCH, /* Process taken branch trap. */
168# define TRAP_BRANCH TRAP_BRANCH
169 TRAP_HWBKPT, /* Hardware breakpoint/watchpoint. */
170# define TRAP_HWBKPT TRAP_HWBKPT
171 TRAP_UNK, /* Undiagnosed trap. */
172# define TRAP_UNK TRAP_UNK
173 TRAP_PERF /* Perf event with sigtrap=1. */
174# define TRAP_PERF TRAP_PERF
175};
176# endif
177
178# if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
179/* `si_code' values for SIGCHLD signal. */
180enum
181{
182 CLD_EXITED = 1, /* Child has exited. */
183# define CLD_EXITED CLD_EXITED
184 CLD_KILLED, /* Child was killed. */
185# define CLD_KILLED CLD_KILLED
186 CLD_DUMPED, /* Child terminated abnormally. */
187# define CLD_DUMPED CLD_DUMPED
188 CLD_TRAPPED, /* Traced child has trapped. */
189# define CLD_TRAPPED CLD_TRAPPED
190 CLD_STOPPED, /* Child has stopped. */
191# define CLD_STOPPED CLD_STOPPED
192 CLD_CONTINUED /* Stopped child has continued. */
193# define CLD_CONTINUED CLD_CONTINUED
194};
195
196/* `si_code' values for SIGPOLL signal. */
197enum
198{
199 POLL_IN = 1, /* Data input available. */
200# define POLL_IN POLL_IN
201 POLL_OUT, /* Output buffers available. */
202# define POLL_OUT POLL_OUT
203 POLL_MSG, /* Input message available. */
204# define POLL_MSG POLL_MSG
205 POLL_ERR, /* I/O error. */
206# define POLL_ERR POLL_ERR
207 POLL_PRI, /* High priority input available. */
208# define POLL_PRI POLL_PRI
209 POLL_HUP /* Device disconnected. */
210# define POLL_HUP POLL_HUP
211};
212# endif
213
214/* The Linux-specific SIGSYS values are all considered GNU extensions. */
215#ifdef __USE_GNU
216/* `si_code' values for SIGSYS signal. */
217enum
218{
219 SYS_SECCOMP = 1, /* Seccomp triggered. */
220# define SYS_SECCOMP SYS_SECCOMP
221 SYS_USER_DISPATCH /* Syscall user dispatch triggered. */
222# define SYS_USER_DISPATCH SYS_USER_DISPATCH
223};
224#endif
225
226/* Architectures might also add architecture-specific constants.
227 These are all considered GNU extensions. */
228#ifdef __USE_GNU
229# include <bits/siginfo-consts-arch.h>
230#endif
231
232#endif