1 /* siginfo_t, sigevent and constants. Linux/MIPS version.
2 Copyright (C) 1997, 1998, 2000, 2001, 2002, 2003, 2004, 2005
3 Free Software Foundation, Inc.
4 This file is part of the GNU C Library.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, see
18 <http://www.gnu.org/licenses/>. */
20 #if !defined _SIGNAL_H && !defined __need_siginfo_t \
21 && !defined __need_sigevent_t
22 # error "Never include this file directly. Use <signal.h> instead"
25 #include <bits/wordsize.h>
27 #if (!defined __have_sigval_t \
28 && (defined _SIGNAL_H || defined __need_siginfo_t \
29 || defined __need_sigevent_t))
30 # define __have_sigval_t 1
32 /* Type for data associated with a signal. */
40 #if (!defined __have_siginfo_t \
41 && (defined _SIGNAL_H || defined __need_siginfo_t))
42 # define __have_siginfo_t 1
44 # define __SI_MAX_SIZE 128
46 # define __SI_PAD_SIZE ((__SI_MAX_SIZE / sizeof (int)) - 4)
48 # define __SI_PAD_SIZE ((__SI_MAX_SIZE / sizeof (int)) - 3)
52 typedef struct siginfo
54 int si_signo; /* Signal number. */
55 int si_code; /* Signal code. */
56 int si_errno; /* If non-zero, an errno value associated with
57 this signal, as defined in <errno.h>. */
58 int __pad0[__SI_MAX_SIZE / sizeof (int) - __SI_PAD_SIZE - 3];
59 /* Explicit padding. */
63 int _pad[__SI_PAD_SIZE];
68 __pid_t si_pid; /* Sending process ID. */
69 __uid_t si_uid; /* Real user ID of sending process. */
72 /* POSIX.1b timers. */
75 int si_tid; /* Timer ID. */
76 int si_overrun; /* Overrun count. */
77 sigval_t si_sigval; /* Signal value. */
80 /* POSIX.1b signals. */
83 __pid_t si_pid; /* Sending process ID. */
84 __uid_t si_uid; /* Real user ID of sending process. */
85 sigval_t si_sigval; /* Signal value. */
91 __pid_t si_pid; /* Which child. */
92 __uid_t si_uid; /* Real user ID of sending process. */
93 int si_status; /* Exit value or signal. */
98 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS. */
101 void *si_addr; /* Faulting insn/memory ref. */
102 short int si_addr_lsb; /* Valid LSB of the reported address. */
108 long int si_band; /* Band event for SIGPOLL. */
115 /* X/Open requires some more fields with fixed names. */
116 # define si_pid _sifields._kill.si_pid
117 # define si_uid _sifields._kill.si_uid
118 # define si_timerid _sifields._timer.si_tid
119 # define si_overrun _sifields._timer.si_overrun
120 # define si_status _sifields._sigchld.si_status
121 # define si_utime _sifields._sigchld.si_utime
122 # define si_stime _sifields._sigchld.si_stime
123 # define si_value _sifields._rt.si_sigval
124 # define si_int _sifields._rt.si_sigval.sival_int
125 # define si_ptr _sifields._rt.si_sigval.sival_ptr
126 # define si_addr _sifields._sigfault.si_addr
127 # define si_addr_lsb _sifields._sigfault.si_addr_lsb
128 # define si_band _sifields._sigpoll.si_band
129 # define si_fd _sifields._sigpoll.si_fd
132 /* Values for `si_code'. Positive values are reserved for kernel-generated
136 SI_ASYNCNL = -60, /* Sent by asynch name lookup completion. */
137 # define SI_ASYNCNL SI_ASYNCNL
138 SI_TKILL = -6, /* Sent by tkill. */
139 # define SI_TKILL SI_TKILL
140 SI_SIGIO, /* Sent by queued SIGIO. */
141 # define SI_SIGIO SI_SIGIO
142 SI_MESGQ, /* Sent by real time mesq state change. */
143 # define SI_MESGQ SI_MESGQ
144 SI_TIMER, /* Sent by real time mesq state change. */
145 # define SI_TIMER SI_TIMER
146 SI_ASYNCIO, /* Sent by AIO completion. */
147 # define SI_ASYNCIO SI_ASYNCIO
148 SI_QUEUE, /* Sent by sigqueue. */
149 # define SI_QUEUE SI_QUEUE
150 SI_USER, /* Sent by kill, sigsend. */
151 # define SI_USER SI_USER
152 SI_KERNEL = 0x80 /* Send by kernel. */
153 #define SI_KERNEL SI_KERNEL
157 # if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
158 /* `si_code' values for SIGILL signal. */
161 ILL_ILLOPC = 1, /* Illegal opcode. */
162 # define ILL_ILLOPC ILL_ILLOPC
163 ILL_ILLOPN, /* Illegal operand. */
164 # define ILL_ILLOPN ILL_ILLOPN
165 ILL_ILLADR, /* Illegal addressing mode. */
166 # define ILL_ILLADR ILL_ILLADR
167 ILL_ILLTRP, /* Illegal trap. */
168 # define ILL_ILLTRP ILL_ILLTRP
169 ILL_PRVOPC, /* Privileged opcode. */
170 # define ILL_PRVOPC ILL_PRVOPC
171 ILL_PRVREG, /* Privileged register. */
172 # define ILL_PRVREG ILL_PRVREG
173 ILL_COPROC, /* Coprocessor error. */
174 # define ILL_COPROC ILL_COPROC
175 ILL_BADSTK /* Internal stack error. */
176 # define ILL_BADSTK ILL_BADSTK
179 /* `si_code' values for SIGFPE signal. */
182 FPE_INTDIV = 1, /* Integer divide by zero. */
183 # define FPE_INTDIV FPE_INTDIV
184 FPE_INTOVF, /* Integer overflow. */
185 # define FPE_INTOVF FPE_INTOVF
186 FPE_FLTDIV, /* Floating point divide by zero. */
187 # define FPE_FLTDIV FPE_FLTDIV
188 FPE_FLTOVF, /* Floating point overflow. */
189 # define FPE_FLTOVF FPE_FLTOVF
190 FPE_FLTUND, /* Floating point underflow. */
191 # define FPE_FLTUND FPE_FLTUND
192 FPE_FLTRES, /* Floating point inexact result. */
193 # define FPE_FLTRES FPE_FLTRES
194 FPE_FLTINV, /* Floating point invalid operation. */
195 # define FPE_FLTINV FPE_FLTINV
196 FPE_FLTSUB /* Subscript out of range. */
197 # define FPE_FLTSUB FPE_FLTSUB
200 /* `si_code' values for SIGSEGV signal. */
203 SEGV_MAPERR = 1, /* Address not mapped to object. */
204 # define SEGV_MAPERR SEGV_MAPERR
205 SEGV_ACCERR /* Invalid permissions for mapped object. */
206 # define SEGV_ACCERR SEGV_ACCERR
209 /* `si_code' values for SIGBUS signal. */
212 BUS_ADRALN = 1, /* Invalid address alignment. */
213 # define BUS_ADRALN BUS_ADRALN
214 BUS_ADRERR, /* Non-existant physical address. */
215 # define BUS_ADRERR BUS_ADRERR
216 BUS_OBJERR, /* Object specific hardware error. */
217 # define BUS_OBJERR BUS_OBJERR
218 BUS_MCEERR_AR, /* Hardware memory error: action required. */
219 # define BUS_MCEERR_AR BUS_MCEERR_AR
220 BUS_MCEERR_AO /* Hardware memory error: action optional. */
221 # define BUS_MCEERR_AO BUS_MCEERR_AO
225 # ifdef __USE_XOPEN_EXTENDED
226 /* `si_code' values for SIGTRAP signal. */
229 TRAP_BRKPT = 1, /* Process breakpoint. */
230 # define TRAP_BRKPT TRAP_BRKPT
231 TRAP_TRACE /* Process trace trap. */
232 # define TRAP_TRACE TRAP_TRACE
236 # if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
237 /* `si_code' values for SIGCHLD signal. */
240 CLD_EXITED = 1, /* Child has exited. */
241 # define CLD_EXITED CLD_EXITED
242 CLD_KILLED, /* Child was killed. */
243 # define CLD_KILLED CLD_KILLED
244 CLD_DUMPED, /* Child terminated abnormally. */
245 # define CLD_DUMPED CLD_DUMPED
246 CLD_TRAPPED, /* Traced child has trapped. */
247 # define CLD_TRAPPED CLD_TRAPPED
248 CLD_STOPPED, /* Child has stopped. */
249 # define CLD_STOPPED CLD_STOPPED
250 CLD_CONTINUED /* Stopped child has continued. */
251 # define CLD_CONTINUED CLD_CONTINUED
254 /* `si_code' values for SIGPOLL signal. */
257 POLL_IN = 1, /* Data input available. */
258 # define POLL_IN POLL_IN
259 POLL_OUT, /* Output buffers available. */
260 # define POLL_OUT POLL_OUT
261 POLL_MSG, /* Input message available. */
262 # define POLL_MSG POLL_MSG
263 POLL_ERR, /* I/O error. */
264 # define POLL_ERR POLL_ERR
265 POLL_PRI, /* High priority input available. */
266 # define POLL_PRI POLL_PRI
267 POLL_HUP /* Device disconnected. */
268 # define POLL_HUP POLL_HUP
272 # undef __need_siginfo_t
273 #endif /* !have siginfo_t && (have _SIGNAL_H || need siginfo_t). */
276 #if (defined _SIGNAL_H || defined __need_sigevent_t) \
277 && !defined __have_sigevent_t
278 # define __have_sigevent_t 1
280 /* Structure to transport application-defined values with signals. */
281 # define __SIGEV_MAX_SIZE 64
282 # if __WORDSIZE == 64
283 # define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE / sizeof (int)) - 4)
285 # define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE / sizeof (int)) - 3)
288 /* Forward declaration of the `pthread_attr_t' type. */
289 struct __pthread_attr_s;
291 /* XXX This one might need to change!!! */
292 typedef struct sigevent
294 sigval_t sigev_value;
300 int _pad[__SIGEV_PAD_SIZE];
302 /* When SIGEV_SIGNAL and SIGEV_THREAD_ID set, LWP ID of the
303 thread to receive the signal. */
308 void (*_function) (sigval_t); /* Function to start. */
309 void *_attribute; /* Really pthread_attr_t. */
314 /* POSIX names to access some of the members. */
315 # define sigev_notify_function _sigev_un._sigev_thread._function
316 # define sigev_notify_attributes _sigev_un._sigev_thread._attribute
318 /* `sigev_notify' values. */
321 SIGEV_SIGNAL = 0, /* Notify via signal. */
322 # define SIGEV_SIGNAL SIGEV_SIGNAL
323 SIGEV_NONE, /* Other notification: meaningless. */
324 # define SIGEV_NONE SIGEV_NONE
325 SIGEV_THREAD, /* Deliver via thread creation. */
326 # define SIGEV_THREAD SIGEV_THREAD
328 SIGEV_THREAD_ID = 4 /* Send signal to specific thread. */
329 #define SIGEV_THREAD_ID SIGEV_THREAD_ID
332 #endif /* have _SIGNAL_H. */