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[glibc.git] / sysdeps / unix / sysv / linux / tile / bits / siginfo.h
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1 /* Copyright (C) 2011-2015 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
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, see
17 <http://www.gnu.org/licenses/>. */
19 #if !defined _SIGNAL_H && !defined __need_siginfo_t \
20 && !defined __need_sigevent_t
21 # error "Never include this file directly. Use <signal.h> instead"
22 #endif
24 #include <bits/wordsize.h>
26 #if (!defined __have_sigval_t \
27 && (defined _SIGNAL_H || defined __need_siginfo_t \
28 || defined __need_sigevent_t))
29 # define __have_sigval_t 1
31 /* Type for data associated with a signal. */
32 typedef union sigval
34 int sival_int;
35 void *sival_ptr;
36 } sigval_t;
37 #endif
39 #if (!defined __have_siginfo_t \
40 && (defined _SIGNAL_H || defined __need_siginfo_t))
41 # define __have_siginfo_t 1
43 # define __SI_MAX_SIZE 128
44 # if __WORDSIZE == 64
45 # define __SI_PAD_SIZE ((__SI_MAX_SIZE / sizeof (int)) - 4)
46 # else
47 # define __SI_PAD_SIZE ((__SI_MAX_SIZE / sizeof (int)) - 3)
48 # endif
50 typedef struct
52 int si_signo; /* Signal number. */
53 int si_errno; /* If non-zero, an errno value associated with
54 this signal, as defined in <errno.h>. */
55 int si_code; /* Signal code. */
57 union
59 int _pad[__SI_PAD_SIZE];
61 /* kill(). */
62 struct
64 __pid_t si_pid; /* Sending process ID. */
65 __uid_t si_uid; /* Real user ID of sending process. */
66 } _kill;
68 /* POSIX.1b timers. */
69 struct
71 int si_tid; /* Timer ID. */
72 int si_overrun; /* Overrun count. */
73 sigval_t si_sigval; /* Signal value. */
74 } _timer;
76 /* POSIX.1b signals. */
77 struct
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;
84 /* SIGCHLD. */
85 struct
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. */
90 __clock_t si_utime;
91 __clock_t si_stime;
92 } _sigchld;
94 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS. */
95 struct
97 void *si_addr; /* Faulting insn/memory ref. */
98 int si_trapno; /* TRAP # which caused the signal. */
99 short int si_addr_lsb; /* Valid LSB of the reported address. */
100 } _sigfault;
102 /* SIGPOLL. */
103 struct
105 long int si_band; /* Band event for SIGPOLL. */
106 int si_fd;
107 } _sigpoll;
109 /* SIGSYS. */
110 struct
112 void *_call_addr; /* Calling user insn. */
113 int _syscall; /* Triggering system call number. */
114 unsigned int _arch; /* AUDIT_ARCH_* of syscall. */
115 } _sigsys;
116 } _sifields;
117 } siginfo_t;
120 /* X/Open requires some more fields with fixed names. */
121 # define si_pid _sifields._kill.si_pid
122 # define si_uid _sifields._kill.si_uid
123 # define si_timerid _sifields._timer.si_tid
124 # define si_overrun _sifields._timer.si_overrun
125 # define si_status _sifields._sigchld.si_status
126 # define si_utime _sifields._sigchld.si_utime
127 # define si_stime _sifields._sigchld.si_stime
128 # define si_value _sifields._rt.si_sigval
129 # define si_int _sifields._rt.si_sigval.sival_int
130 # define si_ptr _sifields._rt.si_sigval.sival_ptr
131 # define si_addr _sifields._sigfault.si_addr
132 # define si_trapno _sifields._sigfault.si_trapno
133 # define si_addr_lsb _sifields._sigfault.si_addr_lsb
134 # define si_band _sifields._sigpoll.si_band
135 # define si_fd _sifields._sigpoll.si_fd
136 # define si_call_addr _sifields._sigsys._call_addr
137 # define si_syscall _sifields._sigsys._syscall
138 # define si_arch _sifields._sigsys._arch
141 /* Values for `si_code'. Positive values are reserved for kernel-generated
142 signals. */
143 enum
145 SI_ASYNCNL = -60, /* Sent by asynch name lookup completion. */
146 # define SI_ASYNCNL SI_ASYNCNL
147 SI_TKILL = -6, /* Sent by tkill. */
148 # define SI_TKILL SI_TKILL
149 SI_SIGIO, /* Sent by queued SIGIO. */
150 # define SI_SIGIO SI_SIGIO
151 SI_ASYNCIO, /* Sent by AIO completion. */
152 # define SI_ASYNCIO SI_ASYNCIO
153 SI_MESGQ, /* Sent by real time mesq state change. */
154 # define SI_MESGQ SI_MESGQ
155 SI_TIMER, /* Sent by timer expiration. */
156 # define SI_TIMER SI_TIMER
157 SI_QUEUE, /* Sent by sigqueue. */
158 # define SI_QUEUE SI_QUEUE
159 SI_USER, /* Sent by kill, sigsend, raise. */
160 # define SI_USER SI_USER
161 SI_KERNEL = 0x80 /* Send by kernel. */
162 #define SI_KERNEL SI_KERNEL
166 # if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
167 /* `si_code' values for SIGILL signal. */
168 enum
170 ILL_ILLOPC = 1, /* Illegal opcode. */
171 # define ILL_ILLOPC ILL_ILLOPC
172 ILL_ILLOPN, /* Illegal operand. */
173 # define ILL_ILLOPN ILL_ILLOPN
174 ILL_ILLADR, /* Illegal addressing mode. */
175 # define ILL_ILLADR ILL_ILLADR
176 ILL_ILLTRP, /* Illegal trap. */
177 # define ILL_ILLTRP ILL_ILLTRP
178 ILL_PRVOPC, /* Privileged opcode. */
179 # define ILL_PRVOPC ILL_PRVOPC
180 ILL_PRVREG, /* Privileged register. */
181 # define ILL_PRVREG ILL_PRVREG
182 ILL_COPROC, /* Coprocessor error. */
183 # define ILL_COPROC ILL_COPROC
184 ILL_BADSTK, /* Internal stack error. */
185 # define ILL_BADSTK ILL_BADSTK
186 ILL_DBLFLT, /* Double fault. */
187 # define ILL_DBLFLT ILL_DBLFLT
188 ILL_HARDWALL /* User networks hardwall violation. */
189 # define ILL_HARDWALL ILL_HARDWALL
192 /* `si_code' values for SIGFPE signal. */
193 enum
195 FPE_INTDIV = 1, /* Integer divide by zero. */
196 # define FPE_INTDIV FPE_INTDIV
197 FPE_INTOVF, /* Integer overflow. */
198 # define FPE_INTOVF FPE_INTOVF
199 FPE_FLTDIV, /* Floating point divide by zero. */
200 # define FPE_FLTDIV FPE_FLTDIV
201 FPE_FLTOVF, /* Floating point overflow. */
202 # define FPE_FLTOVF FPE_FLTOVF
203 FPE_FLTUND, /* Floating point underflow. */
204 # define FPE_FLTUND FPE_FLTUND
205 FPE_FLTRES, /* Floating point inexact result. */
206 # define FPE_FLTRES FPE_FLTRES
207 FPE_FLTINV, /* Floating point invalid operation. */
208 # define FPE_FLTINV FPE_FLTINV
209 FPE_FLTSUB /* Subscript out of range. */
210 # define FPE_FLTSUB FPE_FLTSUB
213 /* `si_code' values for SIGSEGV signal. */
214 enum
216 SEGV_MAPERR = 1, /* Address not mapped to object. */
217 # define SEGV_MAPERR SEGV_MAPERR
218 SEGV_ACCERR /* Invalid permissions for mapped object. */
219 # define SEGV_ACCERR SEGV_ACCERR
222 /* `si_code' values for SIGBUS signal. */
223 enum
225 BUS_ADRALN = 1, /* Invalid address alignment. */
226 # define BUS_ADRALN BUS_ADRALN
227 BUS_ADRERR, /* Non-existant physical address. */
228 # define BUS_ADRERR BUS_ADRERR
229 BUS_OBJERR, /* Object specific hardware error. */
230 # define BUS_OBJERR BUS_OBJERR
231 BUS_MCEERR_AR, /* Hardware memory error: action required. */
232 # define BUS_MCEERR_AR BUS_MCEERR_AR
233 BUS_MCEERR_AO /* Hardware memory error: action optional. */
234 # define BUS_MCEERR_AO BUS_MCEERR_AO
236 # endif
238 # ifdef __USE_XOPEN_EXTENDED
239 /* `si_code' values for SIGTRAP signal. */
240 enum
242 TRAP_BRKPT = 1, /* Process breakpoint. */
243 # define TRAP_BRKPT TRAP_BRKPT
244 TRAP_TRACE /* Process trace trap. */
245 # define TRAP_TRACE TRAP_TRACE
247 # endif
249 # if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
250 /* `si_code' values for SIGCHLD signal. */
251 enum
253 CLD_EXITED = 1, /* Child has exited. */
254 # define CLD_EXITED CLD_EXITED
255 CLD_KILLED, /* Child was killed. */
256 # define CLD_KILLED CLD_KILLED
257 CLD_DUMPED, /* Child terminated abnormally. */
258 # define CLD_DUMPED CLD_DUMPED
259 CLD_TRAPPED, /* Traced child has trapped. */
260 # define CLD_TRAPPED CLD_TRAPPED
261 CLD_STOPPED, /* Child has stopped. */
262 # define CLD_STOPPED CLD_STOPPED
263 CLD_CONTINUED /* Stopped child has continued. */
264 # define CLD_CONTINUED CLD_CONTINUED
267 /* `si_code' values for SIGPOLL signal. */
268 enum
270 POLL_IN = 1, /* Data input available. */
271 # define POLL_IN POLL_IN
272 POLL_OUT, /* Output buffers available. */
273 # define POLL_OUT POLL_OUT
274 POLL_MSG, /* Input message available. */
275 # define POLL_MSG POLL_MSG
276 POLL_ERR, /* I/O error. */
277 # define POLL_ERR POLL_ERR
278 POLL_PRI, /* High priority input available. */
279 # define POLL_PRI POLL_PRI
280 POLL_HUP /* Device disconnected. */
281 # define POLL_HUP POLL_HUP
283 # endif
285 # undef __need_siginfo_t
286 #endif /* !have siginfo_t && (have _SIGNAL_H || need siginfo_t). */
289 #if (defined _SIGNAL_H || defined __need_sigevent_t) \
290 && !defined __have_sigevent_t
291 # define __have_sigevent_t 1
293 /* Structure to transport application-defined values with signals. */
294 # define __SIGEV_MAX_SIZE 64
295 # if __WORDSIZE == 64
296 # define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE / sizeof (int)) - 4)
297 # else
298 # define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE / sizeof (int)) - 3)
299 # endif
301 /* Forward declaration. */
302 # ifndef __have_pthread_attr_t
303 typedef union pthread_attr_t pthread_attr_t;
304 # define __have_pthread_attr_t 1
305 # endif
307 typedef struct sigevent
309 sigval_t sigev_value;
310 int sigev_signo;
311 int sigev_notify;
313 union
315 int _pad[__SIGEV_PAD_SIZE];
317 /* When SIGEV_SIGNAL and SIGEV_THREAD_ID set, LWP ID of the
318 thread to receive the signal. */
319 __pid_t _tid;
321 struct
323 void (*_function) (sigval_t); /* Function to start. */
324 pthread_attr_t *_attribute; /* Thread attributes. */
325 } _sigev_thread;
326 } _sigev_un;
327 } sigevent_t;
329 /* POSIX names to access some of the members. */
330 # define sigev_notify_function _sigev_un._sigev_thread._function
331 # define sigev_notify_attributes _sigev_un._sigev_thread._attribute
333 /* `sigev_notify' values. */
334 enum
336 SIGEV_SIGNAL = 0, /* Notify via signal. */
337 # define SIGEV_SIGNAL SIGEV_SIGNAL
338 SIGEV_NONE, /* Other notification: meaningless. */
339 # define SIGEV_NONE SIGEV_NONE
340 SIGEV_THREAD, /* Deliver via thread creation. */
341 # define SIGEV_THREAD SIGEV_THREAD
343 SIGEV_THREAD_ID = 4 /* Send signal to specific thread. */
344 #define SIGEV_THREAD_ID SIGEV_THREAD_ID
347 #endif /* have _SIGNAL_H. */