1 /* Copyright (C) 2011-2014 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"
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. */
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
45 # define __SI_PAD_SIZE ((__SI_MAX_SIZE / sizeof (int)) - 4)
47 # define __SI_PAD_SIZE ((__SI_MAX_SIZE / sizeof (int)) - 3)
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. */
59 int _pad
[__SI_PAD_SIZE
];
64 __pid_t si_pid
; /* Sending process ID. */
65 __uid_t si_uid
; /* Real user ID of sending process. */
68 /* POSIX.1b timers. */
71 int si_tid
; /* Timer ID. */
72 int si_overrun
; /* Overrun count. */
73 sigval_t si_sigval
; /* Signal value. */
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. */
98 int si_trapno
; /* TRAP # which caused the signal. */
99 short int si_addr_lsb
; /* Valid LSB of the reported address. */
105 long int si_band
; /* Band event for SIGPOLL. */
112 void *_call_addr
; /* Calling user insn. */
113 int _syscall
; /* Triggering system call number. */
114 unsigned int _arch
; /* AUDIT_ARCH_* of syscall. */
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
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 /* `si_code' values for SIGILL signal. */
169 ILL_ILLOPC
= 1, /* Illegal opcode. */
170 # define ILL_ILLOPC ILL_ILLOPC
171 ILL_ILLOPN
, /* Illegal operand. */
172 # define ILL_ILLOPN ILL_ILLOPN
173 ILL_ILLADR
, /* Illegal addressing mode. */
174 # define ILL_ILLADR ILL_ILLADR
175 ILL_ILLTRP
, /* Illegal trap. */
176 # define ILL_ILLTRP ILL_ILLTRP
177 ILL_PRVOPC
, /* Privileged opcode. */
178 # define ILL_PRVOPC ILL_PRVOPC
179 ILL_PRVREG
, /* Privileged register. */
180 # define ILL_PRVREG ILL_PRVREG
181 ILL_COPROC
, /* Coprocessor error. */
182 # define ILL_COPROC ILL_COPROC
183 ILL_BADSTK
, /* Internal stack error. */
184 # define ILL_BADSTK ILL_BADSTK
185 ILL_DBLFLT
, /* Double fault. */
186 # define ILL_DBLFLT ILL_DBLFLT
187 ILL_HARDWALL
/* User networks hardwall violation. */
188 # define ILL_HARDWALL ILL_HARDWALL
191 /* `si_code' values for SIGFPE signal. */
194 FPE_INTDIV
= 1, /* Integer divide by zero. */
195 # define FPE_INTDIV FPE_INTDIV
196 FPE_INTOVF
, /* Integer overflow. */
197 # define FPE_INTOVF FPE_INTOVF
198 FPE_FLTDIV
, /* Floating point divide by zero. */
199 # define FPE_FLTDIV FPE_FLTDIV
200 FPE_FLTOVF
, /* Floating point overflow. */
201 # define FPE_FLTOVF FPE_FLTOVF
202 FPE_FLTUND
, /* Floating point underflow. */
203 # define FPE_FLTUND FPE_FLTUND
204 FPE_FLTRES
, /* Floating point inexact result. */
205 # define FPE_FLTRES FPE_FLTRES
206 FPE_FLTINV
, /* Floating point invalid operation. */
207 # define FPE_FLTINV FPE_FLTINV
208 FPE_FLTSUB
/* Subscript out of range. */
209 # define FPE_FLTSUB FPE_FLTSUB
212 /* `si_code' values for SIGSEGV signal. */
215 SEGV_MAPERR
= 1, /* Address not mapped to object. */
216 # define SEGV_MAPERR SEGV_MAPERR
217 SEGV_ACCERR
/* Invalid permissions for mapped object. */
218 # define SEGV_ACCERR SEGV_ACCERR
221 /* `si_code' values for SIGBUS signal. */
224 BUS_ADRALN
= 1, /* Invalid address alignment. */
225 # define BUS_ADRALN BUS_ADRALN
226 BUS_ADRERR
, /* Non-existant physical address. */
227 # define BUS_ADRERR BUS_ADRERR
228 BUS_OBJERR
, /* Object specific hardware error. */
229 # define BUS_OBJERR BUS_OBJERR
230 BUS_MCEERR_AR
, /* Hardware memory error: action required. */
231 # define BUS_MCEERR_AR BUS_MCEERR_AR
232 BUS_MCEERR_AO
/* Hardware memory error: action optional. */
233 # define BUS_MCEERR_AO BUS_MCEERR_AO
236 /* `si_code' values for SIGTRAP signal. */
239 TRAP_BRKPT
= 1, /* Process breakpoint. */
240 # define TRAP_BRKPT TRAP_BRKPT
241 TRAP_TRACE
/* Process trace trap. */
242 # define TRAP_TRACE TRAP_TRACE
245 /* `si_code' values for SIGCHLD signal. */
248 CLD_EXITED
= 1, /* Child has exited. */
249 # define CLD_EXITED CLD_EXITED
250 CLD_KILLED
, /* Child was killed. */
251 # define CLD_KILLED CLD_KILLED
252 CLD_DUMPED
, /* Child terminated abnormally. */
253 # define CLD_DUMPED CLD_DUMPED
254 CLD_TRAPPED
, /* Traced child has trapped. */
255 # define CLD_TRAPPED CLD_TRAPPED
256 CLD_STOPPED
, /* Child has stopped. */
257 # define CLD_STOPPED CLD_STOPPED
258 CLD_CONTINUED
/* Stopped child has continued. */
259 # define CLD_CONTINUED CLD_CONTINUED
262 /* `si_code' values for SIGPOLL signal. */
265 POLL_IN
= 1, /* Data input available. */
266 # define POLL_IN POLL_IN
267 POLL_OUT
, /* Output buffers available. */
268 # define POLL_OUT POLL_OUT
269 POLL_MSG
, /* Input message available. */
270 # define POLL_MSG POLL_MSG
271 POLL_ERR
, /* I/O error. */
272 # define POLL_ERR POLL_ERR
273 POLL_PRI
, /* High priority input available. */
274 # define POLL_PRI POLL_PRI
275 POLL_HUP
/* Device disconnected. */
276 # define POLL_HUP POLL_HUP
279 # undef __need_siginfo_t
280 #endif /* !have siginfo_t && (have _SIGNAL_H || need siginfo_t). */
283 #if (defined _SIGNAL_H || defined __need_sigevent_t) \
284 && !defined __have_sigevent_t
285 # define __have_sigevent_t 1
287 /* Structure to transport application-defined values with signals. */
288 # define __SIGEV_MAX_SIZE 64
289 # if __WORDSIZE == 64
290 # define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE / sizeof (int)) - 4)
292 # define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE / sizeof (int)) - 3)
295 /* Forward declaration. */
296 # ifndef __have_pthread_attr_t
297 typedef union pthread_attr_t pthread_attr_t
;
298 # define __have_pthread_attr_t 1
301 typedef struct sigevent
303 sigval_t sigev_value
;
309 int _pad
[__SIGEV_PAD_SIZE
];
311 /* When SIGEV_SIGNAL and SIGEV_THREAD_ID set, LWP ID of the
312 thread to receive the signal. */
317 void (*_function
) (sigval_t
); /* Function to start. */
318 pthread_attr_t
*_attribute
; /* Thread attributes. */
323 /* POSIX names to access some of the members. */
324 # define sigev_notify_function _sigev_un._sigev_thread._function
325 # define sigev_notify_attributes _sigev_un._sigev_thread._attribute
327 /* `sigev_notify' values. */
330 SIGEV_SIGNAL
= 0, /* Notify via signal. */
331 # define SIGEV_SIGNAL SIGEV_SIGNAL
332 SIGEV_NONE
, /* Other notification: meaningless. */
333 # define SIGEV_NONE SIGEV_NONE
334 SIGEV_THREAD
, /* Deliver via thread creation. */
335 # define SIGEV_THREAD SIGEV_THREAD
337 SIGEV_THREAD_ID
= 4 /* Send signal to specific thread. */
338 #define SIGEV_THREAD_ID SIGEV_THREAD_ID
341 #endif /* have _SIGNAL_H. */