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git.ipfire.org Git - thirdparty/glibc.git/blob - sysdeps/unix/sysv/linux/bits/siginfo.h
1 /* siginfo_t, sigevent and constants. Linux version.
2 Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
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 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA. */
20 #if !defined _SIGNAL_H && !defined __need_siginfo_t
21 # error "Never include this file directly. Use <signal.h> instead"
24 #if (!defined __have_siginfo_t \
25 && (defined _SIGNAL_H || defined __need_siginfo_t))
26 # define __have_siginfo_t 1
28 /* Type for data associated with a signal. */
35 # define __SI_MAX_SIZE 128
36 # define __SI_PAD_SIZE ((__SI_MAX_SIZE / sizeof (int)) - 3)
38 typedef struct siginfo
40 int si_signo
; /* Signal number. */
41 int si_errno
; /* If non-zero, an errno value associated with
42 this signal, as defined in <errno.h>. */
43 int si_code
; /* Signal code. */
47 int _pad
[__SI_PAD_SIZE
];
52 __pid_t si_pid
; /* Sending process ID. */
53 __uid_t si_uid
; /* Real user ID of sending process. */
56 /* POSIX.1b timers. */
63 /* POSIX.1b signals. */
66 __pid_t si_pid
; /* Sending process ID. */
67 __uid_t si_uid
; /* Real user ID of sending process. */
68 sigval_t si_sigval
; /* Signal value. */
74 __pid_t si_pid
; /* Which child. */
75 __uid_t si_uid
; /* Real user ID of sending process. */
76 int si_status
; /* Exit value or signal. */
81 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS. */
84 void *si_addr
; /* Faulting insn/memory ref. */
90 int si_band
; /* Band event for SIGPOLL. */
97 /* X/Open requires some more fields with fixed names. */
98 # define si_pid _sifields._kill.si_pid
99 # define si_uid _sifields._kill.si_uid
100 # define si_timer1 _sifields._timer._timer1
101 # define si_timer2 _sifields._timer._timer2
102 # define si_status _sifields._sigchld.si_status
103 # define si_utime _sifields._sigchld.si_utime
104 # define si_stime _sifields._sigchld.si_stime
105 # define si_value _sifields._rt.si_sigval
106 # define si_int _sifields._rt.si_sigval.sival_int
107 # define si_ptr _sifields._rt.si_sigval.sival_ptr
108 # define si_addr _sifields._sigfault.si_addr
109 # define si_band _sifields._sigpoll.si_band
110 # define si_fd _sifields._sigpoll.si_fd
113 /* Values for `si_code'. Positive values are reserved for kernel-generated
117 SI_SIGIO
= -5, /* Sent by queued SIGIO. */
118 # define SI_SIGIO SI_SIGIO
119 SI_ASYNCIO
, /* Sent by AIO completion. */
120 # define SI_ASYNCIO SI_ASYNCIO
121 SI_MESGQ
, /* Sent by real time mesq state change. */
122 # define SI_MESGQ SI_MESGQ
123 SI_TIMER
, /* Sent by timer expiration. */
124 # define SI_TIMER SI_TIMER
125 SI_QUEUE
, /* Sent by sigqueue. */
126 # define SI_QUEUE SI_QUEUE
127 SI_USER
/* Sent by kill, sigsend, raise. */
128 # define SI_USER SI_USER
132 /* `si_code' values for SIGILL signal. */
135 ILL_ILLOPC
= 1, /* Illegal opcode. */
136 # define ILL_ILLOPC ILL_ILLOPC
137 ILL_ILLOPN
, /* Illegal operand. */
138 # define ILL_ILLOPN ILL_ILLOPN
139 ILL_ILLADR
, /* Illegal addressing mode. */
140 # define ILL_ILLADR ILL_ILLADR
141 ILL_ILLTRP
, /* Illegal trap. */
142 # define ILL_ILLTRP ILL_ILLTRP
143 ILL_PRVOPC
, /* Privileged opcode. */
144 # define ILL_PRVOPC ILL_PRVOPC
145 ILL_PRVREG
, /* Privileged register. */
146 # define ILL_PRVREG ILL_PRVREG
147 ILL_COPROC
, /* Coprocessor error. */
148 # define ILL_COPROC ILL_COPROC
149 ILL_BADSTK
/* Internal stack error. */
150 # define ILL_BADSTK ILL_BADSTK
153 /* `si_code' values for SIGFPE signal. */
156 FPE_INTDIV
= 1, /* Integer divide by zero. */
157 # define FPE_INTDIV FPE_INTDIV
158 FPE_INTOVF
, /* Integer overflow. */
159 # define FPE_INTOVF FPE_INTOVF
160 FPE_FLTDIV
, /* Floating point divide by zero. */
161 # define FPE_FLTDIV FPE_FLTDIV
162 FPE_FLTOVF
, /* Floating point overflow. */
163 # define FPE_FLTOVF FPE_FLTOVF
164 FPE_FLTUND
, /* Floating point underflow. */
165 # define FPE_FLTUND FPE_FLTUND
166 FPE_FLTRES
, /* Floating point inexact result. */
167 # define FPE_FLTRES FPE_FLTRES
168 FPE_FLTINV
, /* Floating point invalid operation. */
169 # define FPE_FLTINV FPE_FLTINV
170 FPE_FLTSUB
/* Subscript out of range. */
171 # define FPE_FLTSUB FPE_FLTSUB
174 /* `si_code' values for SIGSEGV signal. */
177 SEGV_MAPERR
= 1, /* Address not mapped to object. */
178 # define SEGV_MAPERR SEGV_MAPERR
179 SEGV_ACCERR
/* Invalid permissions for mapped object. */
180 # define SEGV_ACCERR SEGV_ACCERR
183 /* `si_code' values for SIGBUS signal. */
186 BUS_ADRALN
= 1, /* Invalid address alignment. */
187 # define BUS_ADRALN BUS_ADRALN
188 BUS_ADRERR
, /* Non-existant physical address. */
189 # define BUS_ADRERR BUS_ADRERR
190 BUS_OBJERR
/* Object specific hardware error. */
191 # define BUS_OBJERR BUS_OBJERR
194 /* `si_code' values for SIGTRAP signal. */
197 TRAP_BRKPT
= 1, /* Process breakpoint. */
198 # define TRAP_BRKPT TRAP_BRKPT
199 TRAP_TRACE
/* Process trace trap. */
200 # define TRAP_TRACE TRAP_TRACE
203 /* `si_code' values for SIGCHLD signal. */
206 CLD_EXITED
= 1, /* Child has exited. */
207 # define CLD_EXITED CLD_EXITED
208 CLD_KILLED
, /* Child was killed. */
209 # define CLD_KILLED CLD_KILLED
210 CLD_DUMPED
, /* Child terminated abnormally. */
211 # define CLD_DUMPED CLD_DUMPED
212 CLD_TRAPPED
, /* Traced child has trapped. */
213 # define CLD_TRAPPED CLD_TRAPPED
214 CLD_STOPPED
, /* Child has stopped. */
215 # define CLD_STOPPED CLD_STOPPED
216 CLD_CONTINUED
/* Stopped child has continued. */
217 # define CLD_CONTINUED CLD_CONTINUED
220 /* `si_code' values for SIGPOLL signal. */
223 POLL_IN
= 1, /* Data input available. */
224 # define POLL_IN POLL_IN
225 POLL_OUT
, /* Output buffers available. */
226 # define POLL_OUT POLL_OUT
227 POLL_MSG
, /* Input message available. */
228 # define POLL_MSG POLL_MSG
229 POLL_ERR
, /* I/O error. */
230 # define POLL_ERR POLL_ERR
231 POLL_PRI
, /* High priority input available. */
232 # define POLL_PRI POLL_PRI
233 POLL_HUP
/* Device disconnected. */
234 # define POLL_HUP POLL_HUP
237 # undef __need_siginfo_t
238 #endif /* !have siginfo_t && (have _SIGNAL_H || need siginfo_t). */
241 #if defined _SIGNAL_H && !defined __have_sigevent_t
242 # define __have_sigevent_t 1
244 /* Structure to transport application-defined values with signals. */
245 # define __SIGEV_MAX_SIZE 64
246 # define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE / sizeof (int)) - 3)
248 typedef struct sigevent
250 sigval_t sigev_value
;
256 int _pad
[__SIGEV_PAD_SIZE
];
260 void (*_function
) __PMT ((sigval_t
)); /* Function to start. */
261 void *_attribute
; /* Really pthread_attr_t. */
266 /* POSIX names to access some of the members. */
267 # define sigev_notify_function _sigev_un._sigev_thread._function
268 # define sigev_notify_attributes _sigev_un._sigev_thread._attribute
270 /* `sigev_notify' values. */
273 SIGEV_SIGNAL
= 0, /* Notify via signal. */
274 # define SIGEV_SIGNAL SIGEV_SIGNAL
275 SIGEV_NONE
, /* Other notification: meaningless. */
276 # define SIGEV_NONE SIGEV_NONE
277 SIGEV_THREAD
/* Deliver via thread creation. */
278 # define SIGEV_THREAD SIGEV_THREAD
281 #endif /* have _SIGNAL_H. */