sysdeps/unix/sysv/linux/ia64/bits/siginfo.h

   1 /* siginfo_t, sigevent and constants.  Linux/ia64 version.
   2    Copyright (C) 2000-2015 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by David Mosberger-Tang <davidm@hpl.hp.com>.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Lesser General Public
   8    License as published by the Free Software Foundation; either
   9    version 2.1 of the License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Lesser General Public License for more details.
  15
  16    You should have received a copy of the GNU Lesser General Public
  17    License along with the GNU C Library; if not, see
  18    <http://www.gnu.org/licenses/>.  */
  19
  20 #if !defined _SIGNAL_H && !defined __need_siginfo_t \
  21     && !defined __need_sigevent_t
  22 # error "Never include this file directly.  Use <signal.h> instead"
  23 #endif
  24
  25 #if (!defined __have_sigval_t \
  26      && (defined _SIGNAL_H || defined __need_siginfo_t \
  27          || defined __need_sigevent_t))
  28 # define __have_sigval_t        1
  29
  30 /* Type for data associated with a signal.  */
  31 typedef union sigval
  32   {
  33     int sival_int;
  34     void *sival_ptr;
  35   } sigval_t;
  36 #endif
  37
  38 #if (!defined __have_siginfo_t \
  39      && (defined _SIGNAL_H || defined __need_siginfo_t))
  40 # define __have_siginfo_t       1
  41
  42 # define __SI_MAX_SIZE     128
  43 # define __SI_PAD_SIZE     ((__SI_MAX_SIZE / sizeof (int)) - 4)
  44
  45 typedef struct siginfo
  46   {
  47     int si_signo;               /* Signal number.  */
  48     int si_errno;               /* If non-zero, an errno value associated with
  49                                    this signal, as defined in <errno.h>.  */
  50     int si_code;                /* Signal code.  */
  51     int __pad0;                 /* Explicit padding.  */
  52
  53     union
  54       {
  55         int _pad[__SI_PAD_SIZE];
  56
  57          /* kill().  */
  58         struct
  59           {
  60             __pid_t si_pid;     /* Sending process ID.  */
  61             __uid_t si_uid;     /* Real user ID of sending process.  */
  62           } _kill;
  63
  64         /* POSIX.1b timers.  */
  65         struct
  66           {
  67             int si_tid;         /* Timer ID.  */
  68             int si_overrun;     /* Overrun count.  */
  69             sigval_t si_sigval; /* Signal value.  */
  70           } _timer;
  71
  72         /* POSIX.1b signals.  */
  73         struct
  74           {
  75             __pid_t si_pid;     /* Sending process ID.  */
  76             __uid_t si_uid;     /* Real user ID of sending process.  */
  77             sigval_t si_sigval; /* Signal value.  */
  78           } _rt;
  79
  80         /* SIGCHLD.  */
  81         struct
  82           {
  83             __pid_t si_pid;     /* Which child.  */
  84             __uid_t si_uid;     /* Real user ID of sending process.  */
  85             int si_status;      /* Exit value or signal.  */
  86             __clock_t si_utime;
  87             __clock_t si_stime;
  88           } _sigchld;
  89
  90         /* SIGILL, SIGFPE, SIGSEGV, SIGBUS.  */
  91         struct
  92           {
  93             void *si_addr;      /* Faulting insn/memory ref.  */
  94             int _si_imm;
  95             unsigned int _si_flags;
  96             unsigned long int _si_isr;
  97             short int si_addr_lsb;      /* Valid LSB of the reported address.  */
  98           } _sigfault;
  99
 100         /* SIGPOLL.  */
 101         struct
 102           {
 103             long int si_band;   /* Band event for SIGPOLL.  */
 104             int si_fd;
 105           } _sigpoll;
 106       } _sifields;
 107   } siginfo_t;
 108
 109
 110 /* X/Open requires some more fields with fixed names.  */
 111 # define si_pid         _sifields._kill.si_pid
 112 # define si_uid         _sifields._kill.si_uid
 113 # define si_timerid     _sifields._timer.si_tid
 114 # define si_overrun     _sifields._timer.si_overrun
 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_addr_lsb    _sifields._sigfault.si_addr_lsb
 123 # define si_band        _sifields._sigpoll.si_band
 124 # define si_fd          _sifields._sigpoll.si_fd
 125
 126 # ifdef __USE_GNU
 127 #  define si_imm        _sifields._sigfault._si_imm
 128 #  define si_segvflags  _sifields._sigfault._si_flags
 129 #  define si_isr        _sifields._sigfault._si_isr
 130 # endif
 131
 132 /* Values for `si_code'.  Positive values are reserved for kernel-generated
 133    signals.  */
 134 enum
 135 {
 136   SI_ASYNCNL = -60,             /* Sent by asynch name lookup completion.  */
 137 # define SI_ASYNCNL     SI_ASYNCNL
 138   SI_TKILL = -6,                /* Sent by tkill.  */
 139 # define SI_TKILL       SI_TKILL
 140   SI_SIGIO,                     /* Sent by queued SIGIO. */
 141 # define SI_SIGIO       SI_SIGIO
 142   SI_ASYNCIO,                   /* Sent by AIO completion.  */
 143 # define SI_ASYNCIO     SI_ASYNCIO
 144   SI_MESGQ,                     /* Sent by real time mesq state change.  */
 145 # define SI_MESGQ       SI_MESGQ
 146   SI_TIMER,                     /* Sent by timer expiration.  */
 147 # define SI_TIMER       SI_TIMER
 148   SI_QUEUE,                     /* Sent by sigqueue.  */
 149 # define SI_QUEUE       SI_QUEUE
 150   SI_USER,                      /* Sent by kill, sigsend.  */
 151 # define SI_USER        SI_USER
 152   SI_KERNEL = 0x80              /* Send by kernel.  */
 153 #define SI_KERNEL       SI_KERNEL
 154 };
 155
 156
 157 # if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
 158 /* `si_code' values for SIGILL signal.  */
 159 enum
 160 {
 161   ILL_ILLOPC = 1,               /* Illegal opcode.  */
 162 #  define ILL_ILLOPC    ILL_ILLOPC
 163   ILL_ILLOPN,                   /* Illegal operand.  */
 164 #  define ILL_ILLOPN    ILL_ILLOPN
 165   ILL_ILLADR,                   /* Illegal addressing mode.  */
 166 #  define ILL_ILLADR    ILL_ILLADR
 167   ILL_ILLTRP,                   /* Illegal trap. */
 168 #  define ILL_ILLTRP    ILL_ILLTRP
 169   ILL_PRVOPC,                   /* Privileged opcode.  */
 170 #  define ILL_PRVOPC    ILL_PRVOPC
 171   ILL_PRVREG,                   /* Privileged register.  */
 172 #  define ILL_PRVREG    ILL_PRVREG
 173   ILL_COPROC,                   /* Coprocessor error.  */
 174 #  define ILL_COPROC    ILL_COPROC
 175   ILL_BADSTK,                   /* Internal stack error.  */
 176 #  define ILL_BADSTK    ILL_BADSTK
 177   ILL_BADIADDR                  /* Unimplemented instruction address. */
 178 #  define ILL_BADIADDR  ILL_BADIADDR
 179
 180 #  ifdef __USE_GNU
 181    , ILL_BREAK
 182 #   define ILL_BREAK    ILL_BREAK
 183 #  endif
 184 };
 185
 186 /* `si_code' values for SIGFPE signal.  */
 187 enum
 188 {
 189   FPE_INTDIV = 1,               /* Integer divide by zero.  */
 190 #  define FPE_INTDIV    FPE_INTDIV
 191   FPE_INTOVF,                   /* Integer overflow.  */
 192 #  define FPE_INTOVF    FPE_INTOVF
 193   FPE_FLTDIV,                   /* Floating point divide by zero.  */
 194 #  define FPE_FLTDIV    FPE_FLTDIV
 195   FPE_FLTOVF,                   /* Floating point overflow.  */
 196 #  define FPE_FLTOVF    FPE_FLTOVF
 197   FPE_FLTUND,                   /* Floating point underflow.  */
 198 #  define FPE_FLTUND    FPE_FLTUND
 199   FPE_FLTRES,                   /* Floating point inexact result.  */
 200 #  define FPE_FLTRES    FPE_FLTRES
 201   FPE_FLTINV,                   /* Floating point invalid operation.  */
 202 #  define FPE_FLTINV    FPE_FLTINV
 203   FPE_FLTSUB                    /* Subscript out of range.  */
 204 #  define FPE_FLTSUB    FPE_FLTSUB
 205 #  ifdef __USE_GNU
 206    , FPE_DECOVF
 207 #   define FPE_DECOVF   FPE_DECOVF
 208    , FPE_DECDIV
 209 #   define FPE_DECDIV   FPE_DECDIV
 210    , FPE_DECERR
 211 #   define FPE_DECERR   FPE_DECERR
 212    , FPE_INVASC
 213 #   define FPE_INVASC   FPE_INVASC
 214    , FPE_INVDEC
 215 #   define FPE_INVDEC   FPE_INVDEC
 216 #  endif
 217 };
 218
 219 /* `si_code' values for SIGSEGV signal.  */
 220 enum
 221 {
 222   SEGV_MAPERR = 1,              /* Address not mapped to object.  */
 223 #  define SEGV_MAPERR   SEGV_MAPERR
 224   SEGV_ACCERR                   /* Invalid permissions for mapped object.  */
 225 #  define SEGV_ACCERR   SEGV_ACCERR
 226 #  ifdef __USE_GNU
 227   , SEGV_PSTKOVF                /* Paragraph stack overflow. */
 228 #   define SEGV_PSTKOVF SEGV_PSTKOVF
 229 #  endif
 230 };
 231
 232 /* `si_code' values for SIGBUS signal.  */
 233 enum
 234 {
 235   BUS_ADRALN = 1,               /* Invalid address alignment.  */
 236 #  define BUS_ADRALN    BUS_ADRALN
 237   BUS_ADRERR,                   /* Non-existant physical address.  */
 238 #  define BUS_ADRERR    BUS_ADRERR
 239   BUS_OBJERR,                   /* Object specific hardware error.  */
 240 #  define BUS_OBJERR    BUS_OBJERR
 241   BUS_MCEERR_AR,                /* Hardware memory error: action required.  */
 242 #  define BUS_MCEERR_AR BUS_MCEERR_AR
 243   BUS_MCEERR_AO                 /* Hardware memory error: action optional.  */
 244 #  define BUS_MCEERR_AO BUS_MCEERR_AO
 245 };
 246 # endif
 247
 248 # ifdef __USE_XOPEN_EXTENDED
 249 /* `si_code' values for SIGTRAP signal.  */
 250 enum
 251 {
 252   TRAP_BRKPT = 1,               /* Process breakpoint.  */
 253 #  define TRAP_BRKPT    TRAP_BRKPT
 254   TRAP_TRACE                    /* Process trace trap.  */
 255 #  define TRAP_TRACE    TRAP_TRACE
 256
 257 #  ifdef __USE_GNU
 258   , TRAP_BRANCH
 259 #   define TRAP_BRANCH  TRAP_BRANCH
 260   , TRAP_HWBKPT
 261 #   define TRAP_HWBKPT  TRAP_HWBKPT
 262 #  endif
 263 };
 264 # endif
 265
 266 # if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
 267 /* `si_code' values for SIGCHLD signal.  */
 268 enum
 269 {
 270   CLD_EXITED = 1,               /* Child has exited.  */
 271 #  define CLD_EXITED    CLD_EXITED
 272   CLD_KILLED,                   /* Child was killed.  */
 273 #  define CLD_KILLED    CLD_KILLED
 274   CLD_DUMPED,                   /* Child terminated abnormally.  */
 275 #  define CLD_DUMPED    CLD_DUMPED
 276   CLD_TRAPPED,                  /* Traced child has trapped.  */
 277 #  define CLD_TRAPPED   CLD_TRAPPED
 278   CLD_STOPPED,                  /* Child has stopped.  */
 279 #  define CLD_STOPPED   CLD_STOPPED
 280   CLD_CONTINUED                 /* Stopped child has continued.  */
 281 #  define CLD_CONTINUED CLD_CONTINUED
 282 };
 283
 284 /* `si_code' values for SIGPOLL signal.  */
 285 enum
 286 {
 287   POLL_IN = 1,                  /* Data input available.  */
 288 #  define POLL_IN       POLL_IN
 289   POLL_OUT,                     /* Output buffers available.  */
 290 #  define POLL_OUT      POLL_OUT
 291   POLL_MSG,                     /* Input message available.   */
 292 #  define POLL_MSG      POLL_MSG
 293   POLL_ERR,                     /* I/O error.  */
 294 #  define POLL_ERR      POLL_ERR
 295   POLL_PRI,                     /* High priority input available.  */
 296 #  define POLL_PRI      POLL_PRI
 297   POLL_HUP                      /* Device disconnected.  */
 298 #  define POLL_HUP      POLL_HUP
 299 };
 300 # endif
 301
 302 # undef __need_siginfo_t
 303 #endif  /* !have siginfo_t && (have _SIGNAL_H || need siginfo_t).  */
 304
 305
 306 #if (defined _SIGNAL_H || defined __need_sigevent_t) \
 307     && !defined __have_sigevent_t
 308 # define __have_sigevent_t      1
 309
 310 /* Structure to transport application-defined values with signals.  */
 311 # define __SIGEV_MAX_SIZE       64
 312 # define __SIGEV_PAD_SIZE       ((__SIGEV_MAX_SIZE / sizeof (int)) - 4)
 313
 314 /* Forward declaration.  */
 315 # ifndef __have_pthread_attr_t
 316 typedef union pthread_attr_t pthread_attr_t;
 317 #  define __have_pthread_attr_t 1
 318 # endif
 319
 320 typedef struct sigevent
 321   {
 322     sigval_t sigev_value;
 323     int sigev_signo;
 324     int sigev_notify;
 325
 326     union
 327       {
 328         int _pad[__SIGEV_PAD_SIZE];
 329
 330         /* When SIGEV_SIGNAL and SIGEV_THREAD_ID set, LWP ID of the
 331            thread to receive the signal.  */
 332         __pid_t _tid;
 333
 334         struct
 335           {
 336             void (*_function) (sigval_t);       /* Function to start.  */
 337             pthread_attr_t *_attribute;         /* Thread attributes.  */
 338           } _sigev_thread;
 339       } _sigev_un;
 340   } sigevent_t;
 341
 342 /* POSIX names to access some of the members.  */
 343 # define sigev_notify_function   _sigev_un._sigev_thread._function
 344 # define sigev_notify_attributes _sigev_un._sigev_thread._attribute
 345
 346 /* `sigev_notify' values.  */
 347 enum
 348 {
 349   SIGEV_SIGNAL = 0,             /* Notify via signal.  */
 350 # define SIGEV_SIGNAL   SIGEV_SIGNAL
 351   SIGEV_NONE,                   /* Other notification: meaningless.  */
 352 # define SIGEV_NONE     SIGEV_NONE
 353   SIGEV_THREAD,                 /* Deliver via thread creation.  */
 354 # define SIGEV_THREAD   SIGEV_THREAD
 355
 356   SIGEV_THREAD_ID = 4           /* Send signal to specific thread.  */
 357 #define SIGEV_THREAD_ID SIGEV_THREAD_ID
 358 };
 359
 360 #endif  /* have _SIGNAL_H.  */