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e645ed3a | 1 | /* siginfo_t, sigevent and constants. Linux/SPARC version. |
5a9339d5 | 2 | Copyright (C) 1997, 1998, 1999, 2000, 2001 Free Software Foundation, Inc. |
cbdee279 UD |
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 | |
41bdb6e2 AJ |
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. | |
cbdee279 UD |
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 | |
41bdb6e2 | 13 | Lesser General Public License for more details. |
cbdee279 | 14 | |
41bdb6e2 AJ |
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 | |
18 | 02111-1307 USA. */ | |
cbdee279 | 19 | |
2ace5721 UD |
20 | #if !defined _SIGNAL_H && !defined __need_siginfo_t \ |
21 | && !defined __need_sigevent_t | |
cbdee279 UD |
22 | # error "Never include this file directly. Use <signal.h> instead" |
23 | #endif | |
24 | ||
e645ed3a UD |
25 | #include <bits/wordsize.h> |
26 | ||
2ace5721 UD |
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 | |
bd355af0 UD |
31 | |
32 | /* Type for data associated with a signal. */ | |
33 | typedef union sigval | |
34 | { | |
35 | int sival_int; | |
36 | void *sival_ptr; | |
37 | } sigval_t; | |
2ace5721 UD |
38 | #endif |
39 | ||
40 | #if (!defined __have_siginfo_t \ | |
41 | && (defined _SIGNAL_H || defined __need_siginfo_t)) | |
42 | # define __have_siginfo_t 1 | |
bd355af0 | 43 | |
4959e310 | 44 | # define __SI_MAX_SIZE 128 |
e645ed3a UD |
45 | # if __WORDSIZE == 64 |
46 | # define __SI_PAD_SIZE ((__SI_MAX_SIZE / sizeof (int)) - 4) | |
47 | # else | |
48 | # define __SI_PAD_SIZE ((__SI_MAX_SIZE / sizeof (int)) - 3) | |
49 | # endif | |
cbdee279 UD |
50 | |
51 | typedef struct siginfo | |
52 | { | |
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. */ | |
57 | ||
58 | union | |
59 | { | |
4959e310 | 60 | int _pad[__SI_PAD_SIZE]; |
cbdee279 UD |
61 | |
62 | /* kill(). */ | |
63 | struct | |
64 | { | |
65 | __pid_t si_pid; /* Sending process ID. */ | |
66 | __uid_t si_uid; /* Real user ID of sending process. */ | |
67 | } _kill; | |
68 | ||
69 | /* POSIX.1b timers. */ | |
70 | struct | |
71 | { | |
72 | unsigned int _timer1; | |
73 | unsigned int _timer2; | |
74 | } _timer; | |
75 | ||
76 | /* POSIX.1b signals. */ | |
77 | struct | |
78 | { | |
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. */ | |
82 | } _rt; | |
83 | ||
84 | /* SIGCHLD. */ | |
85 | struct | |
86 | { | |
87 | __pid_t si_pid; /* Which child. */ | |
ec986e23 | 88 | __uid_t si_uid; /* Real user ID of sending process. */ |
cbdee279 UD |
89 | int si_status; /* Exit value or signal. */ |
90 | __clock_t si_utime; | |
91 | __clock_t si_stime; | |
92 | } _sigchld; | |
93 | ||
94 | /* SIGILL, SIGFPE, SIGSEGV, SIGBUS. */ | |
95 | struct | |
96 | { | |
97 | void *si_addr; /* Faulting insn/memory ref. */ | |
98 | } _sigfault; | |
99 | ||
100 | /* SIGPOLL. */ | |
101 | struct | |
102 | { | |
8ce9ea0c | 103 | long int si_band; /* Band event for SIGPOLL. */ |
cbdee279 UD |
104 | int si_fd; |
105 | } _sigpoll; | |
106 | } _sifields; | |
107 | } siginfo_t; | |
108 | ||
109 | ||
110 | /* X/Open requires some more fields with fixed names. */ | |
bd355af0 UD |
111 | # define si_pid _sifields._kill.si_pid |
112 | # define si_uid _sifields._kill.si_uid | |
be1dd949 UD |
113 | # define si_timer1 _sifields._timer._timer1 |
114 | # define si_timer2 _sifields._timer._timer2 | |
bd355af0 UD |
115 | # define si_status _sifields._sigchld.si_status |
116 | # define si_utime _sifields._sigchld.si_utime | |
117 | # define si_stime _sifields._sigchld.si_stime | |
118 | # define si_value _sifields._rt.si_sigval | |
119 | # define si_int _sifields._rt.si_sigval.sival_int | |
120 | # define si_ptr _sifields._rt.si_sigval.sival_ptr | |
121 | # define si_addr _sifields._sigfault.si_addr | |
122 | # define si_band _sifields._sigpoll.si_band | |
123 | # define si_fd _sifields._sigpoll.si_fd | |
cbdee279 UD |
124 | |
125 | ||
126 | /* Values for `si_code'. Positive values are reserved for kernel-generated | |
127 | signals. */ | |
128 | enum | |
129 | { | |
2ace5721 UD |
130 | SI_ASYNCNL = -6, /* Sent by asynch name lookup completion. */ |
131 | # define SI_ASYNCNL SI_ASYNCNL | |
132 | SI_SIGIO, /* Sent by queued SIGIO. */ | |
df777c40 UD |
133 | # define SI_SIGIO SI_SIGIO |
134 | SI_ASYNCIO, /* Sent by AIO completion. */ | |
bd355af0 | 135 | # define SI_ASYNCIO SI_ASYNCIO |
cbdee279 | 136 | SI_MESGQ, /* Sent by real time mesq state change. */ |
bd355af0 | 137 | # define SI_MESGQ SI_MESGQ |
cbdee279 | 138 | SI_TIMER, /* Sent by timer expiration. */ |
bd355af0 | 139 | # define SI_TIMER SI_TIMER |
cbdee279 | 140 | SI_QUEUE, /* Sent by sigqueue. */ |
bd355af0 | 141 | # define SI_QUEUE SI_QUEUE |
56bd5855 | 142 | SI_USER, /* Sent by kill, sigsend, raise. */ |
bd355af0 | 143 | # define SI_USER SI_USER |
56bd5855 UD |
144 | SI_KERNEL = 0x80 /* Send by kernel. */ |
145 | #define SI_KERNEL SI_KERNEL | |
cbdee279 UD |
146 | }; |
147 | ||
148 | ||
149 | /* `si_code' values for SIGILL signal. */ | |
150 | enum | |
151 | { | |
152 | ILL_ILLOPC = 1, /* Illegal opcode. */ | |
bd355af0 | 153 | # define ILL_ILLOPC ILL_ILLOPC |
e3efc215 | 154 | ILL_ILLOPN, /* Illegal operand. */ |
bd355af0 | 155 | # define ILL_ILLOPN ILL_ILLOPN |
cbdee279 | 156 | ILL_ILLADR, /* Illegal addressing mode. */ |
bd355af0 | 157 | # define ILL_ILLADR ILL_ILLADR |
cbdee279 | 158 | ILL_ILLTRP, /* Illegal trap. */ |
bd355af0 | 159 | # define ILL_ILLTRP ILL_ILLTRP |
cbdee279 | 160 | ILL_PRVOPC, /* Privileged opcode. */ |
bd355af0 | 161 | # define ILL_PRVOPC ILL_PRVOPC |
cbdee279 | 162 | ILL_PRVREG, /* Privileged register. */ |
bd355af0 | 163 | # define ILL_PRVREG ILL_PRVREG |
cbdee279 | 164 | ILL_COPROC, /* Coprocessor error. */ |
bd355af0 | 165 | # define ILL_COPROC ILL_COPROC |
cbdee279 | 166 | ILL_BADSTK /* Internal stack error. */ |
bd355af0 | 167 | # define ILL_BADSTK ILL_BADSTK |
cbdee279 UD |
168 | }; |
169 | ||
170 | /* `si_code' values for SIGFPE signal. */ | |
171 | enum | |
172 | { | |
173 | FPE_INTDIV = 1, /* Integer divide by zero. */ | |
bd355af0 | 174 | # define FPE_INTDIV FPE_INTDIV |
cbdee279 | 175 | FPE_INTOVF, /* Integer overflow. */ |
bd355af0 | 176 | # define FPE_INTOVF FPE_INTOVF |
cbdee279 | 177 | FPE_FLTDIV, /* Floating point divide by zero. */ |
bd355af0 | 178 | # define FPE_FLTDIV FPE_FLTDIV |
cbdee279 | 179 | FPE_FLTOVF, /* Floating point overflow. */ |
bd355af0 | 180 | # define FPE_FLTOVF FPE_FLTOVF |
cbdee279 | 181 | FPE_FLTUND, /* Floating point underflow. */ |
bd355af0 | 182 | # define FPE_FLTUND FPE_FLTUND |
cbdee279 | 183 | FPE_FLTRES, /* Floating point inexact result. */ |
bd355af0 | 184 | # define FPE_FLTRES FPE_FLTRES |
cbdee279 | 185 | FPE_FLTINV, /* Floating point invalid operation. */ |
bd355af0 | 186 | # define FPE_FLTINV FPE_FLTINV |
cbdee279 | 187 | FPE_FLTSUB /* Subscript out of range. */ |
bd355af0 | 188 | # define FPE_FLTSUB FPE_FLTSUB |
cbdee279 UD |
189 | }; |
190 | ||
191 | /* `si_code' values for SIGSEGV signal. */ | |
192 | enum | |
193 | { | |
194 | SEGV_MAPERR = 1, /* Address not mapped to object. */ | |
bd355af0 | 195 | # define SEGV_MAPERR SEGV_MAPERR |
cbdee279 | 196 | SEGV_ACCERR /* Invalid permissions for mapped object. */ |
bd355af0 | 197 | # define SEGV_ACCERR SEGV_ACCERR |
cbdee279 UD |
198 | }; |
199 | ||
200 | /* `si_code' values for SIGBUS signal. */ | |
201 | enum | |
202 | { | |
203 | BUS_ADRALN = 1, /* Invalid address alignment. */ | |
bd355af0 | 204 | # define BUS_ADRALN BUS_ADRALN |
cbdee279 | 205 | BUS_ADRERR, /* Non-existant physical address. */ |
bd355af0 | 206 | # define BUS_ADRERR BUS_ADRERR |
cbdee279 | 207 | BUS_OBJERR /* Object specific hardware error. */ |
bd355af0 | 208 | # define BUS_OBJERR BUS_OBJERR |
cbdee279 UD |
209 | }; |
210 | ||
211 | /* `si_code' values for SIGTRAP signal. */ | |
212 | enum | |
213 | { | |
214 | TRAP_BRKPT = 1, /* Process breakpoint. */ | |
bd355af0 | 215 | # define TRAP_BRKPT TRAP_BRKPT |
cbdee279 | 216 | TRAP_TRACE /* Process trace trap. */ |
bd355af0 | 217 | # define TRAP_TRACE TRAP_TRACE |
cbdee279 UD |
218 | }; |
219 | ||
220 | /* `si_code' values for SIGCHLD signal. */ | |
221 | enum | |
222 | { | |
223 | CLD_EXITED = 1, /* Child has exited. */ | |
bd355af0 | 224 | # define CLD_EXITED CLD_EXITED |
cbdee279 | 225 | CLD_KILLED, /* Child was killed. */ |
bd355af0 | 226 | # define CLD_KILLED CLD_KILLED |
cbdee279 | 227 | CLD_DUMPED, /* Child terminated abnormally. */ |
bd355af0 | 228 | # define CLD_DUMPED CLD_DUMPED |
cbdee279 | 229 | CLD_TRAPPED, /* Traced child has trapped. */ |
bd355af0 | 230 | # define CLD_TRAPPED CLD_TRAPPED |
cbdee279 | 231 | CLD_STOPPED, /* Child has stopped. */ |
bd355af0 | 232 | # define CLD_STOPPED CLD_STOPPED |
cbdee279 | 233 | CLD_CONTINUED /* Stopped child has continued. */ |
bd355af0 | 234 | # define CLD_CONTINUED CLD_CONTINUED |
cbdee279 UD |
235 | }; |
236 | ||
237 | /* `si_code' values for SIGPOLL signal. */ | |
238 | enum | |
239 | { | |
240 | POLL_IN = 1, /* Data input available. */ | |
bd355af0 | 241 | # define POLL_IN POLL_IN |
cbdee279 | 242 | POLL_OUT, /* Output buffers available. */ |
bd355af0 | 243 | # define POLL_OUT POLL_OUT |
cbdee279 | 244 | POLL_MSG, /* Input message available. */ |
bd355af0 | 245 | # define POLL_MSG POLL_MSG |
cbdee279 | 246 | POLL_ERR, /* I/O error. */ |
bd355af0 | 247 | # define POLL_ERR POLL_ERR |
cbdee279 | 248 | POLL_PRI, /* High priority input available. */ |
bd355af0 | 249 | # define POLL_PRI POLL_PRI |
cbdee279 | 250 | POLL_HUP /* Device disconnected. */ |
bd355af0 | 251 | # define POLL_HUP POLL_HUP |
cbdee279 UD |
252 | }; |
253 | ||
bd355af0 UD |
254 | # undef __need_siginfo_t |
255 | #endif /* !have siginfo_t && (have _SIGNAL_H || need siginfo_t). */ | |
256 | ||
257 | ||
2ace5721 UD |
258 | #if (defined _SIGNAL_H || defined __need_sigevent_t) \ |
259 | && !defined __have_sigevent_t | |
bd355af0 | 260 | # define __have_sigevent_t 1 |
cbdee279 UD |
261 | |
262 | /* Structure to transport application-defined values with signals. */ | |
4959e310 | 263 | # define __SIGEV_MAX_SIZE 64 |
e645ed3a UD |
264 | # if __WORDSIZE == 64 |
265 | # define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE / sizeof (int)) - 4) | |
266 | # else | |
267 | # define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE / sizeof (int)) - 3) | |
268 | # endif | |
cbdee279 | 269 | |
5a9339d5 UD |
270 | /* Forward declaration of the `pthread_attr_t' type. */ |
271 | struct __pthread_attr_s; | |
272 | ||
cbdee279 UD |
273 | typedef struct sigevent |
274 | { | |
275 | sigval_t sigev_value; | |
276 | int sigev_signo; | |
277 | int sigev_notify; | |
278 | ||
279 | union | |
280 | { | |
4959e310 | 281 | int _pad[__SIGEV_PAD_SIZE]; |
cbdee279 UD |
282 | |
283 | struct | |
284 | { | |
4d3a563f | 285 | void (*_function) (sigval_t); /* Function to start. */ |
5a9339d5 | 286 | struct __pthread_attr_s *_attribute; /* Really pthread_attr_t. */ |
cbdee279 UD |
287 | } _sigev_thread; |
288 | } _sigev_un; | |
289 | } sigevent_t; | |
290 | ||
291 | /* POSIX names to access some of the members. */ | |
bd355af0 UD |
292 | # define sigev_notify_function _sigev_un._sigev_thread._function |
293 | # define sigev_notify_attributes _sigev_un._sigev_thread._attribute | |
cbdee279 UD |
294 | |
295 | /* `sigev_notify' values. */ | |
296 | enum | |
297 | { | |
298 | SIGEV_SIGNAL = 0, /* Notify via signal. */ | |
bd355af0 | 299 | # define SIGEV_SIGNAL SIGEV_SIGNAL |
cbdee279 | 300 | SIGEV_NONE, /* Other notification: meaningless. */ |
bd355af0 | 301 | # define SIGEV_NONE SIGEV_NONE |
cbdee279 | 302 | SIGEV_THREAD /* Deliver via thread creation. */ |
bd355af0 | 303 | # define SIGEV_THREAD SIGEV_THREAD |
cbdee279 | 304 | }; |
bd355af0 UD |
305 | |
306 | #endif /* have _SIGNAL_H. */ |