1 /* siginfo_t, sigevent and constants. Linux/SPARC version.
2 Copyright (C) 1997, 1998, 1999, 2000, 2001 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 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.
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.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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)
51 typedef struct siginfo
53 int si_signo; /* Signal number. */
54 int si_errno; /* If non-zero, an errno value associated with
55 this signal, as defined in <errno.h>. */
56 int si_code; /* Signal code. */
60 int _pad[__SI_PAD_SIZE];
65 __pid_t si_pid; /* Sending process ID. */
66 __uid_t si_uid; /* Real user ID of sending process. */
69 /* POSIX.1b timers. */
76 /* POSIX.1b signals. */
79 __pid_t si_pid; /* Sending process ID. */
80 __uid_t si_uid; /* Real user ID of sending process. */
81 sigval_t si_sigval; /* Signal value. */
87 __pid_t si_pid; /* Which child. */
88 __uid_t si_uid; /* Real user ID of sending process. */
89 int si_status; /* Exit value or signal. */
94 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS. */
97 void *si_addr; /* Faulting insn/memory ref. */
104 int si_band; /* Band event for SIGPOLL. */
111 /* X/Open requires some more fields with fixed names. */
112 # define si_pid _sifields._kill.si_pid
113 # define si_uid _sifields._kill.si_uid
114 # define si_timer1 _sifields._timer._timer1
115 # define si_timer2 _sifields._timer._timer2
116 # define si_status _sifields._sigchld.si_status
117 # define si_utime _sifields._sigchld.si_utime
118 # define si_stime _sifields._sigchld.si_stime
119 # define si_value _sifields._rt.si_sigval
120 # define si_int _sifields._rt.si_sigval.sival_int
121 # define si_ptr _sifields._rt.si_sigval.sival_ptr
122 # define si_addr _sifields._sigfault.si_addr
123 # define si_trapno _sifields._sigfault.si_trapno
124 # define si_band _sifields._sigpoll.si_band
125 # define si_fd _sifields._sigpoll.si_fd
128 /* Values for `si_code'. Positive values are reserved for kernel-generated
132 SI_ASYNCNL = -6, /* Sent by asynch name lookup completion. */
133 # define SI_ASYNCNL SI_ASYNCNL
134 SI_SIGIO, /* Sent by queued SIGIO. */
135 # define SI_SIGIO SI_SIGIO
136 SI_ASYNCIO, /* Sent by AIO completion. */
137 # define SI_ASYNCIO SI_ASYNCIO
138 SI_MESGQ, /* Sent by real time mesq state change. */
139 # define SI_MESGQ SI_MESGQ
140 SI_TIMER, /* Sent by timer expiration. */
141 # define SI_TIMER SI_TIMER
142 SI_QUEUE, /* Sent by sigqueue. */
143 # define SI_QUEUE SI_QUEUE
144 SI_USER, /* Sent by kill, sigsend, raise. */
145 # define SI_USER SI_USER
146 SI_KERNEL = 0x80 /* Send by kernel. */
147 #define SI_KERNEL SI_KERNEL
151 /* `si_code' values for SIGILL signal. */
154 ILL_ILLOPC = 1, /* Illegal opcode. */
155 # define ILL_ILLOPC ILL_ILLOPC
156 ILL_ILLOPN, /* Illegal operand. */
157 # define ILL_ILLOPN ILL_ILLOPN
158 ILL_ILLADR, /* Illegal addressing mode. */
159 # define ILL_ILLADR ILL_ILLADR
160 ILL_ILLTRP, /* Illegal trap. */
161 # define ILL_ILLTRP ILL_ILLTRP
162 ILL_PRVOPC, /* Privileged opcode. */
163 # define ILL_PRVOPC ILL_PRVOPC
164 ILL_PRVREG, /* Privileged register. */
165 # define ILL_PRVREG ILL_PRVREG
166 ILL_COPROC, /* Coprocessor error. */
167 # define ILL_COPROC ILL_COPROC
168 ILL_BADSTK /* Internal stack error. */
169 # define ILL_BADSTK ILL_BADSTK
172 /* `si_code' values for SIGFPE signal. */
175 FPE_INTDIV = 1, /* Integer divide by zero. */
176 # define FPE_INTDIV FPE_INTDIV
177 FPE_INTOVF, /* Integer overflow. */
178 # define FPE_INTOVF FPE_INTOVF
179 FPE_FLTDIV, /* Floating point divide by zero. */
180 # define FPE_FLTDIV FPE_FLTDIV
181 FPE_FLTOVF, /* Floating point overflow. */
182 # define FPE_FLTOVF FPE_FLTOVF
183 FPE_FLTUND, /* Floating point underflow. */
184 # define FPE_FLTUND FPE_FLTUND
185 FPE_FLTRES, /* Floating point inexact result. */
186 # define FPE_FLTRES FPE_FLTRES
187 FPE_FLTINV, /* Floating point invalid operation. */
188 # define FPE_FLTINV FPE_FLTINV
189 FPE_FLTSUB /* Subscript out of range. */
190 # define FPE_FLTSUB FPE_FLTSUB
193 /* `si_code' values for SIGSEGV signal. */
196 SEGV_MAPERR = 1, /* Address not mapped to object. */
197 # define SEGV_MAPERR SEGV_MAPERR
198 SEGV_ACCERR /* Invalid permissions for mapped object. */
199 # define SEGV_ACCERR SEGV_ACCERR
202 /* `si_code' values for SIGBUS signal. */
205 BUS_ADRALN = 1, /* Invalid address alignment. */
206 # define BUS_ADRALN BUS_ADRALN
207 BUS_ADRERR, /* Non-existant physical address. */
208 # define BUS_ADRERR BUS_ADRERR
209 BUS_OBJERR /* Object specific hardware error. */
210 # define BUS_OBJERR BUS_OBJERR
213 /* `si_code' values for SIGTRAP signal. */
216 TRAP_BRKPT = 1, /* Process breakpoint. */
217 # define TRAP_BRKPT TRAP_BRKPT
218 TRAP_TRACE /* Process trace trap. */
219 # define TRAP_TRACE TRAP_TRACE
222 /* `si_code' values for SIGCHLD signal. */
225 CLD_EXITED = 1, /* Child has exited. */
226 # define CLD_EXITED CLD_EXITED
227 CLD_KILLED, /* Child was killed. */
228 # define CLD_KILLED CLD_KILLED
229 CLD_DUMPED, /* Child terminated abnormally. */
230 # define CLD_DUMPED CLD_DUMPED
231 CLD_TRAPPED, /* Traced child has trapped. */
232 # define CLD_TRAPPED CLD_TRAPPED
233 CLD_STOPPED, /* Child has stopped. */
234 # define CLD_STOPPED CLD_STOPPED
235 CLD_CONTINUED /* Stopped child has continued. */
236 # define CLD_CONTINUED CLD_CONTINUED
239 /* `si_code' values for SIGPOLL signal. */
242 POLL_IN = 1, /* Data input available. */
243 # define POLL_IN POLL_IN
244 POLL_OUT, /* Output buffers available. */
245 # define POLL_OUT POLL_OUT
246 POLL_MSG, /* Input message available. */
247 # define POLL_MSG POLL_MSG
248 POLL_ERR, /* I/O error. */
249 # define POLL_ERR POLL_ERR
250 POLL_PRI, /* High priority input available. */
251 # define POLL_PRI POLL_PRI
252 POLL_HUP /* Device disconnected. */
253 # define POLL_HUP POLL_HUP
256 /* `si_code' values for SIGEMT signal. */
259 EMT_TAGOVF = 1 /* Tag overflow. */
260 # define EMT_TAGOVF EMT_TAGOVF
263 # undef __need_siginfo_t
264 #endif /* !have siginfo_t && (have _SIGNAL_H || need siginfo_t). */
267 #if (defined _SIGNAL_H || defined __need_sigevent_t) \
268 && !defined __have_sigevent_t
269 # define __have_sigevent_t 1
271 /* Structure to transport application-defined values with signals. */
272 # define __SIGEV_MAX_SIZE 64
273 # if __WORDSIZE == 64
274 # define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE / sizeof (int)) - 4)
276 # define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE / sizeof (int)) - 3)
279 /* Forward declaration of the `pthread_attr_t' type. */
280 struct __pthread_attr_s;
282 typedef struct sigevent
284 sigval_t sigev_value;
290 int _pad[__SIGEV_PAD_SIZE];
294 void (*_function) (sigval_t); /* Function to start. */
295 struct __pthread_attr_s *_attribute; /* Really pthread_attr_t. */
300 /* POSIX names to access some of the members. */
301 # define sigev_notify_function _sigev_un._sigev_thread._function
302 # define sigev_notify_attributes _sigev_un._sigev_thread._attribute
304 /* `sigev_notify' values. */
307 SIGEV_SIGNAL = 0, /* Notify via signal. */
308 # define SIGEV_SIGNAL SIGEV_SIGNAL
309 SIGEV_NONE, /* Other notification: meaningless. */
310 # define SIGEV_NONE SIGEV_NONE
311 SIGEV_THREAD /* Deliver via thread creation. */
312 # define SIGEV_THREAD SIGEV_THREAD
315 #endif /* have _SIGNAL_H. */