1 #ifndef _SPARC64_SIGINFO_H
2 #define _SPARC64_SIGINFO_H
3
4 #include <linux/types.h>
5
6 typedef union sigval {
7 int sival_int;
8 void *sival_ptr;
9 } sigval_t;
10
11 #ifdef __KERNEL__
12
13 typedef union sigval32 {
14 int sival_int;
15 u32 sival_ptr;
16 } sigval_t32;
17
18 #endif /* __KERNEL__ */
19
20 #define SI_MAX_SIZE 128
21 #define SI_PAD_SIZE ((SI_MAX_SIZE/sizeof(int)) - 4)
22 #define SI_PAD_SIZE32 ((SI_MAX_SIZE/sizeof(int)) - 3)
23
24 typedef struct siginfo {
25 int si_signo;
26 int si_errno;
27 int si_code;
28
29 union {
30 int _pad[SI_PAD_SIZE];
31
32 /* kill() */
33 struct {
34 pid_t _pid; /* sender's pid */
35 uid_t _uid; /* sender's uid */
36 } _kill;
37
38 /* POSIX.1b timers */
39 struct {
40 unsigned int _timer1;
41 unsigned int _timer2;
42 } _timer;
43
44 /* POSIX.1b signals */
45 struct {
46 pid_t _pid; /* sender's pid */
47 uid_t _uid; /* sender's uid */
48 sigval_t _sigval;
49 } _rt;
50
51 /* SIGCHLD */
52 struct {
53 pid_t _pid; /* which child */
54 uid_t _uid; /* sender's uid */
55 int _status; /* exit code */
56 clock_t _utime;
57 clock_t _stime;
58 } _sigchld;
59
60 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS, SIGEMT */
61 struct {
62 void *_addr; /* faulting insn/memory ref. */
63 int _trapno; /* TRAP # which caused the signal */
64 } _sigfault;
65
66 /* SIGPOLL */
67 struct {
68 long _band; /* POLL_IN, POLL_OUT, POLL_MSG */
69 int _fd;
70 } _sigpoll;
71 } _sifields;
72 } siginfo_t;
73
74 #ifdef __KERNEL__
75
76 typedef struct siginfo32 {
77 int si_signo;
78 int si_errno;
79 int si_code;
80
81 union {
82 int _pad[SI_PAD_SIZE32];
83
84 /* kill() */
85 struct {
86 __kernel_pid_t32 _pid; /* sender's pid */
87 unsigned int _uid; /* sender's uid */
88 } _kill;
89
90 /* POSIX.1b timers */
91 struct {
92 unsigned int _timer1;
93 unsigned int _timer2;
94 } _timer;
95
96 /* POSIX.1b signals */
97 struct {
98 __kernel_pid_t32 _pid; /* sender's pid */
99 unsigned int _uid; /* sender's uid */
100 sigval_t32 _sigval;
101 } _rt;
102
103 /* SIGCHLD */
104 struct {
105 __kernel_pid_t32 _pid; /* which child */
106 unsigned int _uid; /* sender's uid */
107 int _status; /* exit code */
108 __kernel_clock_t32 _utime;
109 __kernel_clock_t32 _stime;
110 } _sigchld;
111
112 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS, SIGEMT */
113 struct {
114 u32 _addr; /* faulting insn/memory ref. */
115 int _trapno;
116 } _sigfault;
117
118 /* SIGPOLL */
119 struct {
120 int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
121 int _fd;
122 } _sigpoll;
123 } _sifields;
124 } siginfo_t32;
125
126 #endif /* __KERNEL__ */
127
128 /*
129 * How these fields are to be accessed.
130 */
131 #define si_pid _sifields._kill._pid
132 #define si_uid _sifields._kill._uid
133 #define si_status _sifields._sigchld._status
134 #define si_utime _sifields._sigchld._utime
135 #define si_stime _sifields._sigchld._stime
136 #define si_value _sifields._rt._sigval
137 #define si_int _sifields._rt._sigval.sival_int
138 #define si_ptr _sifields._rt._sigval.sival_ptr
139 #define si_addr _sifields._sigfault._addr
140 #define si_trapno _sifields._sigfault._trapno
141 #define si_band _sifields._sigpoll._band
142 #define si_fd _sifields._sigpoll._fd
143
144 #ifdef __KERNEL__
145 #define __SI_MASK 0xffff0000
146 #define __SI_KILL (0 << 16)
147 #define __SI_TIMER (1 << 16)
148 #define __SI_POLL (2 << 16)
149 #define __SI_FAULT (3 << 16)
150 #define __SI_CHLD (4 << 16)
151 #define __SI_RT (5 << 16)
152 #define __SI_CODE(T,N) ((T) << 16 | ((N) & 0xffff))
153 #else
154 #define __SI_KILL 0
155 #define __SI_TIMER 0
156 #define __SI_POLL 0
157 #define __SI_FAULT 0
158 #define __SI_CHLD 0
159 #define __SI_RT 0
160 #define __SI_CODE(T,N) (N)
161 #endif
162
163 /*
164 * si_code values
165 * Digital reserves positive values for kernel-generated signals.
166 */
167 #define SI_NOINFO 32767 /* no information in siginfo_t */
168 #define SI_USER 0 /* sent by kill, sigsend, raise */
169 #define SI_KERNEL 0x80 /* sent by the kernel from somewhere */
170 #define SI_QUEUE -1 /* sent by sigqueue */
171 #define SI_TIMER __SI_CODE(__SI_TIMER,-2) /* sent by timer expiration */
172 #define SI_MESGQ -3 /* sent by real time mesq state change */
173 #define SI_ASYNCIO -4 /* sent by AIO completion */
174 #define SI_SIGIO -5 /* sent by queued SIGIO */
175
176 #define SI_FROMUSER(siptr) ((siptr)->si_code <= 0)
177 #define SI_FROMKERNEL(siptr) ((siptr)->si_code > 0)
178
179 /*
180 * SIGILL si_codes
181 */
182 #define ILL_ILLOPC (__SI_FAULT|1) /* illegal opcode */
183 #define ILL_ILLOPN (__SI_FAULT|2) /* illegal operand */
184 #define ILL_ILLADR (__SI_FAULT|3) /* illegal addressing mode */
185 #define ILL_ILLTRP (__SI_FAULT|4) /* illegal trap */
186 #define ILL_PRVOPC (__SI_FAULT|5) /* privileged opcode */
187 #define ILL_PRVREG (__SI_FAULT|6) /* privileged register */
188 #define ILL_COPROC (__SI_FAULT|7) /* coprocessor error */
189 #define ILL_BADSTK (__SI_FAULT|8) /* internal stack error */
190 #define NSIGILL 8
191
192 /*
193 * SIGFPE si_codes
194 */
195 #define FPE_INTDIV (__SI_FAULT|1) /* integer divide by zero */
196 #define FPE_INTOVF (__SI_FAULT|2) /* integer overflow */
197 #define FPE_FLTDIV (__SI_FAULT|3) /* floating point divide by zero */
198 #define FPE_FLTOVF (__SI_FAULT|4) /* floating point overflow */
199 #define FPE_FLTUND (__SI_FAULT|5) /* floating point underflow */
200 #define FPE_FLTRES (__SI_FAULT|6) /* floating point inexact result */
201 #define FPE_FLTINV (__SI_FAULT|7) /* floating point invalid operation */
202 #define FPE_FLTSUB (__SI_FAULT|8) /* subscript out of range */
203 #define NSIGFPE 8
204
205 /*
206 * SIGSEGV si_codes
207 */
208 #define SEGV_MAPERR (__SI_FAULT|1) /* address not mapped to object */
209 #define SEGV_ACCERR (__SI_FAULT|2) /* invalid permissions for mapped object */
210 #define NSIGSEGV 2
211
212 /*
213 * SIGBUS si_codes
214 */
215 #define BUS_ADRALN (__SI_FAULT|1) /* invalid address alignment */
216 #define BUS_ADRERR (__SI_FAULT|2) /* non-existant physical address */
217 #define BUS_OBJERR (__SI_FAULT|3) /* object specific hardware error */
218 #define NSIGBUS 3
219
220 /*
221 * SIGTRAP si_codes
222 */
223 #define TRAP_BRKPT (__SI_FAULT|1) /* process breakpoint */
224 #define TRAP_TRACE (__SI_FAULT|2) /* process trace trap */
225 #define NSIGTRAP 2
226
227 /*
228 * SIGCHLD si_codes
229 */
230 #define CLD_EXITED (__SI_CHLD|1) /* child has exited */
231 #define CLD_KILLED (__SI_CHLD|2) /* child was killed */
232 #define CLD_DUMPED (__SI_CHLD|3) /* child terminated abnormally */
233 #define CLD_TRAPPED (__SI_CHLD|4) /* traced child has trapped */
234 #define CLD_STOPPED (__SI_CHLD|5) /* child has stopped */
235 #define CLD_CONTINUED (__SI_CHLD|6) /* stopped child has continued */
236 #define NSIGCHLD 6
237
238 /*
239 * SIGPOLL si_codes
240 */
241 #define POLL_IN (__SI_POLL|1) /* data input available */
242 #define POLL_OUT (__SI_POLL|2) /* output buffers available */
243 #define POLL_MSG (__SI_POLL|3) /* input message available */
244 #define POLL_ERR (__SI_POLL|4) /* i/o error */
245 #define POLL_PRI (__SI_POLL|5) /* high priority input available */
246 #define POLL_HUP (__SI_POLL|6) /* device disconnected */
247 #define NSIGPOLL 6
248
249 /*
250 * SIGEMT si_codes
251 */
252 #define EMT_TAGOVF (__SI_FAULT|1) /* tag overflow */
253 #define NSIGEMT 1
254
255 /*
256 * sigevent definitions
257 *
258 * It seems likely that SIGEV_THREAD will have to be handled from
259 * userspace, libpthread transmuting it to SIGEV_SIGNAL, which the
260 * thread manager then catches and does the appropriate nonsense.
261 * However, everything is written out here so as to not get lost.
262 */
263 #define SIGEV_SIGNAL 0 /* notify via signal */
264 #define SIGEV_NONE 1 /* other notification: meaningless */
265 #define SIGEV_THREAD 2 /* deliver via thread creation */
266
267 #define SIGEV_MAX_SIZE 64
268 #define SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 4)
269 #define SIGEV_PAD_SIZE32 ((SIGEV_MAX_SIZE/sizeof(int)) - 3)
270
271 typedef struct sigevent {
272 sigval_t sigev_value;
273 int sigev_signo;
274 int sigev_notify;
275 union {
276 int _pad[SIGEV_PAD_SIZE];
277
278 struct {
279 void (*_function)(sigval_t);
280 void *_attribute; /* really pthread_attr_t */
281 } _sigev_thread;
282 } _sigev_un;
283 } sigevent_t;
284
285 #ifdef __KERNEL__
286
287 typedef struct sigevent32 {
288 sigval_t sigev_value;
289 int sigev_signo;
290 int sigev_notify;
291 union {
292 int _pad[SIGEV_PAD_SIZE32];
293
294 struct {
295 u32 _function;
296 u32 _attribute; /* really pthread_attr_t */
297 } _sigev_thread;
298 } _sigev_un;
299 } sigevent_t32;
300
301 #include <linux/string.h>
302
303 extern inline void copy_siginfo(siginfo_t *to, siginfo_t *from)
304 {
305 if (from->si_code < 0)
306 *to = *from;
307 else
308 /* _sigchld is currently the largest know union member */
309 memcpy(to, from, 4*sizeof(int) + sizeof(from->_sifields._sigchld));
310 }
311
312 extern int copy_siginfo_to_user(siginfo_t *to, siginfo_t *from);
313 extern int copy_siginfo_to_user32(siginfo_t32 *to, siginfo_t *from);
314
315 #endif /* __KERNEL__ */
316
317 #define sigev_notify_function _sigev_un._sigev_thread._function
318 #define sigev_notify_attributes _sigev_un._sigev_thread._attribute
319
320 #endif
321
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