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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 | /* siginfo_t, sigevent and constants. Linux version. Copyright (C) 1997-2002, 2003 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ #if !defined _SIGNAL_H && !defined __need_siginfo_t \ && !defined __need_sigevent_t # error "Never include this file directly. Use <signal.h> instead" #endif #include <bits/wordsize.h> #if (!defined __have_sigval_t \ && (defined _SIGNAL_H || defined __need_siginfo_t \ || defined __need_sigevent_t)) # define __have_sigval_t 1 /* Type for data associated with a signal. */ typedef union sigval { int sival_int; void *sival_ptr; } sigval_t; #endif #if (!defined __have_siginfo_t \ && (defined _SIGNAL_H || defined __need_siginfo_t)) # define __have_siginfo_t 1 # define __SI_MAX_SIZE 128 # if __WORDSIZE == 64 # define __SI_PAD_SIZE ((__SI_MAX_SIZE / sizeof (int)) - 4) # else # define __SI_PAD_SIZE ((__SI_MAX_SIZE / sizeof (int)) - 3) # endif typedef struct siginfo { int si_signo; /* Signal number. */ int si_errno; /* If non-zero, an errno value associated with this signal, as defined in <errno.h>. */ int si_code; /* Signal code. */ union { int _pad[__SI_PAD_SIZE]; /* kill(). */ struct { __pid_t si_pid; /* Sending process ID. */ __uid_t si_uid; /* Real user ID of sending process. */ } _kill; /* POSIX.1b timers. */ struct { int si_tid; /* Timer ID. */ int si_overrun; /* Overrun count. */ sigval_t si_sigval; /* Signal value. */ } _timer; /* POSIX.1b signals. */ struct { __pid_t si_pid; /* Sending process ID. */ __uid_t si_uid; /* Real user ID of sending process. */ sigval_t si_sigval; /* Signal value. */ } _rt; /* SIGCHLD. */ struct { __pid_t si_pid; /* Which child. */ __uid_t si_uid; /* Real user ID of sending process. */ int si_status; /* Exit value or signal. */ __clock_t si_utime; __clock_t si_stime; } _sigchld; /* SIGILL, SIGFPE, SIGSEGV, SIGBUS. */ struct { void *si_addr; /* Faulting insn/memory ref. */ } _sigfault; /* SIGPOLL. */ struct { long int si_band; /* Band event for SIGPOLL. */ int si_fd; } _sigpoll; /* SIGSYS. */ struct { void *_call_addr; /* Calling user insn. */ int _syscall; /* Triggering system call number. */ unsigned int _arch; /* AUDIT_ARCH_* of syscall. */ } _sigsys; } _sifields; } siginfo_t; /* X/Open requires some more fields with fixed names. */ # define si_pid _sifields._kill.si_pid # define si_uid _sifields._kill.si_uid # define si_timerid _sifields._timer.si_tid # define si_overrun _sifields._timer.si_overrun # define si_status _sifields._sigchld.si_status # define si_utime _sifields._sigchld.si_utime # define si_stime _sifields._sigchld.si_stime # define si_value _sifields._rt.si_sigval # define si_int _sifields._rt.si_sigval.sival_int # define si_ptr _sifields._rt.si_sigval.sival_ptr # define si_addr _sifields._sigfault.si_addr # define si_band _sifields._sigpoll.si_band # define si_fd _sifields._sigpoll.si_fd # define si_call_addr _sifields._sigsys._call_addr # define si_syscall _sifields._sigsys._syscall # define si_arch _sifields._sigsys._arch /* Values for `si_code'. Positive values are reserved for kernel-generated signals. */ enum { SI_ASYNCNL = -60, /* Sent by asynch name lookup completion. */ # define SI_ASYNCNL SI_ASYNCNL SI_TKILL = -6, /* Sent by tkill. */ # define SI_TKILL SI_TKILL SI_SIGIO, /* Sent by queued SIGIO. */ # define SI_SIGIO SI_SIGIO SI_ASYNCIO, /* Sent by AIO completion. */ # define SI_ASYNCIO SI_ASYNCIO SI_MESGQ, /* Sent by real time mesq state change. */ # define SI_MESGQ SI_MESGQ SI_TIMER, /* Sent by timer expiration. */ # define SI_TIMER SI_TIMER SI_QUEUE, /* Sent by sigqueue. */ # define SI_QUEUE SI_QUEUE SI_USER, /* Sent by kill, sigsend, raise. */ # define SI_USER SI_USER SI_KERNEL = 0x80 /* Send by kernel. */ #define SI_KERNEL SI_KERNEL }; /* `si_code' values for SIGILL signal. */ enum { ILL_ILLOPC = 1, /* Illegal opcode. */ # define ILL_ILLOPC ILL_ILLOPC ILL_ILLOPN, /* Illegal operand. */ # define ILL_ILLOPN ILL_ILLOPN ILL_ILLADR, /* Illegal addressing mode. */ # define ILL_ILLADR ILL_ILLADR ILL_ILLTRP, /* Illegal trap. */ # define ILL_ILLTRP ILL_ILLTRP ILL_PRVOPC, /* Privileged opcode. */ # define ILL_PRVOPC ILL_PRVOPC ILL_PRVREG, /* Privileged register. */ # define ILL_PRVREG ILL_PRVREG ILL_COPROC, /* Coprocessor error. */ # define ILL_COPROC ILL_COPROC ILL_BADSTK /* Internal stack error. */ # define ILL_BADSTK ILL_BADSTK }; /* `si_code' values for SIGFPE signal. */ enum { FPE_INTDIV = 1, /* Integer divide by zero. */ # define FPE_INTDIV FPE_INTDIV FPE_INTOVF, /* Integer overflow. */ # define FPE_INTOVF FPE_INTOVF FPE_FLTDIV, /* Floating point divide by zero. */ # define FPE_FLTDIV FPE_FLTDIV FPE_FLTOVF, /* Floating point overflow. */ # define FPE_FLTOVF FPE_FLTOVF FPE_FLTUND, /* Floating point underflow. */ # define FPE_FLTUND FPE_FLTUND FPE_FLTRES, /* Floating point inexact result. */ # define FPE_FLTRES FPE_FLTRES FPE_FLTINV, /* Floating point invalid operation. */ # define FPE_FLTINV FPE_FLTINV FPE_FLTSUB /* Subscript out of range. */ # define FPE_FLTSUB FPE_FLTSUB }; /* `si_code' values for SIGSEGV signal. */ enum { SEGV_MAPERR = 1, /* Address not mapped to object. */ # define SEGV_MAPERR SEGV_MAPERR SEGV_ACCERR /* Invalid permissions for mapped object. */ # define SEGV_ACCERR SEGV_ACCERR }; /* `si_code' values for SIGBUS signal. */ enum { BUS_ADRALN = 1, /* Invalid address alignment. */ # define BUS_ADRALN BUS_ADRALN BUS_ADRERR, /* Non-existant physical address. */ # define BUS_ADRERR BUS_ADRERR BUS_OBJERR /* Object specific hardware error. */ # define BUS_OBJERR BUS_OBJERR }; /* `si_code' values for SIGTRAP signal. */ enum { TRAP_BRKPT = 1, /* Process breakpoint. */ # define TRAP_BRKPT TRAP_BRKPT TRAP_TRACE /* Process trace trap. */ # define TRAP_TRACE TRAP_TRACE }; /* `si_code' values for SIGCHLD signal. */ enum { CLD_EXITED = 1, /* Child has exited. */ # define CLD_EXITED CLD_EXITED CLD_KILLED, /* Child was killed. */ # define CLD_KILLED CLD_KILLED CLD_DUMPED, /* Child terminated abnormally. */ # define CLD_DUMPED CLD_DUMPED CLD_TRAPPED, /* Traced child has trapped. */ # define CLD_TRAPPED CLD_TRAPPED CLD_STOPPED, /* Child has stopped. */ # define CLD_STOPPED CLD_STOPPED CLD_CONTINUED /* Stopped child has continued. */ # define CLD_CONTINUED CLD_CONTINUED }; /* `si_code' values for SIGPOLL signal. */ enum { POLL_IN = 1, /* Data input available. */ # define POLL_IN POLL_IN POLL_OUT, /* Output buffers available. */ # define POLL_OUT POLL_OUT POLL_MSG, /* Input message available. */ # define POLL_MSG POLL_MSG POLL_ERR, /* I/O error. */ # define POLL_ERR POLL_ERR POLL_PRI, /* High priority input available. */ # define POLL_PRI POLL_PRI POLL_HUP /* Device disconnected. */ # define POLL_HUP POLL_HUP }; # undef __need_siginfo_t #endif /* !have siginfo_t && (have _SIGNAL_H || need siginfo_t). */ #if (defined _SIGNAL_H || defined __need_sigevent_t) \ && !defined __have_sigevent_t # define __have_sigevent_t 1 /* Structure to transport application-defined values with signals. */ # define __SIGEV_MAX_SIZE 64 # if __WORDSIZE == 64 # define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE / sizeof (int)) - 4) # else # define __SIGEV_PAD_SIZE ((__SIGEV_MAX_SIZE / sizeof (int)) - 3) # endif typedef struct sigevent { sigval_t sigev_value; int sigev_signo; int sigev_notify; union { int _pad[__SIGEV_PAD_SIZE]; /* When SIGEV_SIGNAL and SIGEV_THREAD_ID set, LWP ID of the thread to receive the signal. */ __pid_t _tid; struct { void (*_function) (sigval_t); /* Function to start. */ void *_attribute; /* Really pthread_attr_t. */ } _sigev_thread; } _sigev_un; } sigevent_t; /* POSIX names to access some of the members. */ # define sigev_notify_function _sigev_un._sigev_thread._function # define sigev_notify_attributes _sigev_un._sigev_thread._attribute /* `sigev_notify' values. */ enum { SIGEV_SIGNAL = 0, /* Notify via signal. */ # define SIGEV_SIGNAL SIGEV_SIGNAL SIGEV_NONE, /* Other notification: meaningless. */ # define SIGEV_NONE SIGEV_NONE SIGEV_THREAD, /* Deliver via thread creation. */ # define SIGEV_THREAD SIGEV_THREAD SIGEV_THREAD_ID = 4 /* Send signal to specific thread. */ #define SIGEV_THREAD_ID SIGEV_THREAD_ID }; #endif /* have _SIGNAL_H. */ |