1 /* siginfo_t, sigevent and constants. Linux version.
2 Copyright (C) 1997, 1998 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_status _sifields._sigchld.si_status
101 # define si_utime _sifields._sigchld.si_utime
102 # define si_stime _sifields._sigchld.si_stime
103 # define si_value _sifields._rt.si_sigval
104 # define si_int _sifields._rt.si_sigval.sival_int
105 # define si_ptr _sifields._rt.si_sigval.sival_ptr
106 # define si_addr _sifields._sigfault.si_addr
107 # define si_band _sifields._sigpoll.si_band
108 # define si_fd _sifields._sigpoll.si_fd
111 /* Values for `si_code'. Positive values are reserved for kernel-generated
115 SI_SIGIO
= -5, /* Sent by queued SIGIO. */
116 # define SI_SIGIO SI_SIGIO
117 SI_ASYNCIO
, /* Sent by AIO completion. */
118 # define SI_ASYNCIO SI_ASYNCIO
119 SI_MESGQ
, /* Sent by real time mesq state change. */
120 # define SI_MESGQ SI_MESGQ
121 SI_TIMER
, /* Sent by timer expiration. */
122 # define SI_TIMER SI_TIMER
123 SI_QUEUE
, /* Sent by sigqueue. */
124 # define SI_QUEUE SI_QUEUE
125 SI_USER
/* Sent by kill, sigsend, raise. */
126 # define SI_USER SI_USER
130 /* `si_code' values for SIGILL signal. */
133 ILL_ILLOPC
= 1, /* Illegal opcode. */
134 # define ILL_ILLOPC ILL_ILLOPC
135 ILL_ILLOPN
, /* Illegal operand. */
136 # define ILL_ILLOPN ILL_ILLOPN
137 ILL_ILLADR
, /* Illegal addressing mode. */
138 # define ILL_ILLADR ILL_ILLADR
139 ILL_ILLTRP
, /* Illegal trap. */
140 # define ILL_ILLTRP ILL_ILLTRP
141 ILL_PRVOPC
, /* Privileged opcode. */
142 # define ILL_PRVOPC ILL_PRVOPC
143 ILL_PRVREG
, /* Privileged register. */
144 # define ILL_PRVREG ILL_PRVREG
145 ILL_COPROC
, /* Coprocessor error. */
146 # define ILL_COPROC ILL_COPROC
147 ILL_BADSTK
/* Internal stack error. */
148 # define ILL_BADSTK ILL_BADSTK
151 /* `si_code' values for SIGFPE signal. */
154 FPE_INTDIV
= 1, /* Integer divide by zero. */
155 # define FPE_INTDIV FPE_INTDIV
156 FPE_INTOVF
, /* Integer overflow. */
157 # define FPE_INTOVF FPE_INTOVF
158 FPE_FLTDIV
, /* Floating point divide by zero. */
159 # define FPE_FLTDIV FPE_FLTDIV
160 FPE_FLTOVF
, /* Floating point overflow. */
161 # define FPE_FLTOVF FPE_FLTOVF
162 FPE_FLTUND
, /* Floating point underflow. */
163 # define FPE_FLTUND FPE_FLTUND
164 FPE_FLTRES
, /* Floating point inexact result. */
165 # define FPE_FLTRES FPE_FLTRES
166 FPE_FLTINV
, /* Floating point invalid operation. */
167 # define FPE_FLTINV FPE_FLTINV
168 FPE_FLTSUB
/* Subscript out of range. */
169 # define FPE_FLTSUB FPE_FLTSUB
172 /* `si_code' values for SIGSEGV signal. */
175 SEGV_MAPERR
= 1, /* Address not mapped to object. */
176 # define SEGV_MAPERR SEGV_MAPERR
177 SEGV_ACCERR
/* Invalid permissions for mapped object. */
178 # define SEGV_ACCERR SEGV_ACCERR
181 /* `si_code' values for SIGBUS signal. */
184 BUS_ADRALN
= 1, /* Invalid address alignment. */
185 # define BUS_ADRALN BUS_ADRALN
186 BUS_ADRERR
, /* Non-existant physical address. */
187 # define BUS_ADRERR BUS_ADRERR
188 BUS_OBJERR
/* Object specific hardware error. */
189 # define BUS_OBJERR BUS_OBJERR
192 /* `si_code' values for SIGTRAP signal. */
195 TRAP_BRKPT
= 1, /* Process breakpoint. */
196 # define TRAP_BRKPT TRAP_BRKPT
197 TRAP_TRACE
/* Process trace trap. */
198 # define TRAP_TRACE TRAP_TRACE
201 /* `si_code' values for SIGCHLD signal. */
204 CLD_EXITED
= 1, /* Child has exited. */
205 # define CLD_EXITED CLD_EXITED
206 CLD_KILLED
, /* Child was killed. */
207 # define CLD_KILLED CLD_KILLED
208 CLD_DUMPED
, /* Child terminated abnormally. */
209 # define CLD_DUMPED CLD_DUMPED
210 CLD_TRAPPED
, /* Traced child has trapped. */
211 # define CLD_TRAPPED CLD_TRAPPED
212 CLD_STOPPED
, /* Child has stopped. */
213 # define CLD_STOPPED CLD_STOPPED
214 CLD_CONTINUED
/* Stopped child has continued. */
215 # define CLD_CONTINUED CLD_CONTINUED
218 /* `si_code' values for SIGPOLL signal. */
221 POLL_IN
= 1, /* Data input available. */
222 # define POLL_IN POLL_IN
223 POLL_OUT
, /* Output buffers available. */
224 # define POLL_OUT POLL_OUT
225 POLL_MSG
, /* Input message available. */
226 # define POLL_MSG POLL_MSG
227 POLL_ERR
, /* I/O error. */
228 # define POLL_ERR POLL_ERR
229 POLL_PRI
, /* High priority input available. */
230 # define POLL_PRI POLL_PRI
231 POLL_HUP
/* Device disconnected. */
232 # define POLL_HUP POLL_HUP
235 # undef __need_siginfo_t
236 #endif /* !have siginfo_t && (have _SIGNAL_H || need siginfo_t). */
239 #if defined _SIGNAL_H && !defined __have_sigevent_t
240 # define __have_sigevent_t 1
242 /* Structure to transport application-defined values with signals. */
243 # define __SIGEV_MAX_SIZE 64
244 # define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE / sizeof (int)) - 3)
246 typedef struct sigevent
248 sigval_t sigev_value
;
254 int _pad
[__SIGEV_PAD_SIZE
];
258 void (*_function
) __PMT ((sigval_t
)); /* Function to start. */
259 void *_attribute
; /* Really pthread_attr_t. */
264 /* POSIX names to access some of the members. */
265 # define sigev_notify_function _sigev_un._sigev_thread._function
266 # define sigev_notify_attributes _sigev_un._sigev_thread._attribute
268 /* `sigev_notify' values. */
271 SIGEV_SIGNAL
= 0, /* Notify via signal. */
272 # define SIGEV_SIGNAL SIGEV_SIGNAL
273 SIGEV_NONE
, /* Other notification: meaningless. */
274 # define SIGEV_NONE SIGEV_NONE
275 SIGEV_THREAD
/* Deliver via thread creation. */
276 # define SIGEV_THREAD SIGEV_THREAD
279 #endif /* have _SIGNAL_H. */