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

   1 /* siginfo_t, sigevent and constants.  Linux/ia64 version.
   2    Copyright (C) 2000, 2001, 2002, 2003, 2004 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, write to the Free
  18    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
  19    02111-1307 USA.  */
  20
  21 #if !defined _SIGNAL_H && !defined __need_siginfo_t \
  22     && !defined __need_sigevent_t
  23 # error "Never include this file directly.  Use <signal.h> instead"
  24 #endif
  25
  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
  30
  31 /* Type for data associated with a signal.  */
  32 typedef union sigval
  33   {
  34     int sival_int;
  35     void *sival_ptr;
  36   } sigval_t;
  37 #endif
  38
  39 #if (!defined __have_siginfo_t \
  40      && (defined _SIGNAL_H || defined __need_siginfo_t))
  41 # define __have_siginfo_t       1
  42
  43 # define __SI_MAX_SIZE     128
  44 # define __SI_PAD_SIZE     ((__SI_MAX_SIZE / sizeof (int)) - 4)
  45
  46 typedef struct siginfo
  47   {
  48     int si_signo;               /* Signal number.  */
  49     int si_errno;               /* If non-zero, an errno value associated with
  50                                    this signal, as defined in <errno.h>.  */
  51     int si_code;                /* Signal code.  */
  52     int __pad0;                 /* Explicit padding.  */
  53
  54     union
  55       {
  56         int _pad[__SI_PAD_SIZE];
  57
  58          /* kill().  */
  59         struct
  60           {
  61             __pid_t si_pid;     /* Sending process ID.  */
  62             __uid_t si_uid;     /* Real user ID of sending process.  */
  63           } _kill;
  64
  65         /* POSIX.1b timers.  */
  66         struct
  67           {
  68             int si_tid;         /* Timer ID.  */
  69             int si_overrun;     /* Overrun count.  */
  70             sigval_t si_sigval; /* Signal value.  */
  71           } _timer;
  72
  73         /* POSIX.1b signals.  */
  74         struct
  75           {
  76             __pid_t si_pid;     /* Sending process ID.  */
  77             __uid_t si_uid;     /* Real user ID of sending process.  */
  78             sigval_t si_sigval; /* Signal value.  */
  79           } _rt;
  80
  81         /* SIGCHLD.  */
  82         struct
  83           {
  84             __pid_t si_pid;     /* Which child.  */
  85             __uid_t si_uid;     /* Real user ID of sending process.  */
  86             int si_status;      /* Exit value or signal.  */
  87             __clock_t si_utime;
  88             __clock_t si_stime;
  89           } _sigchld;
  90
  91         /* SIGILL, SIGFPE, SIGSEGV, SIGBUS.  */
  92         struct
  93           {
  94             void *si_addr;      /* Faulting insn/memory ref.  */
  95             int _si_imm;
  96             unsigned int _si_flags;
  97             unsigned long int _si_isr;
  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_band        _sifields._sigpoll.si_band
 123 # define si_fd          _sifields._sigpoll.si_fd
 124
 125 # ifdef __USE_GNU
 126 #  define si_imm        _sifields._sigfault._si_imm
 127 #  define si_segvflags  _sifields._sigfault._si_flags
 128 #  define si_isr        _sifields._sigfault._si_isr
 129 # endif
 130
 131 /* Values for `si_code'.  Positive values are reserved for kernel-generated
 132    signals.  */
 133 enum
 134 {
 135   SI_ASYNCNL = -60,             /* Sent by asynch name lookup completion.  */
 136 # define SI_ASYNCNL     SI_ASYNCNL
 137   SI_TKILL = -6,                /* Sent by tkill.  */
 138 # define SI_TKILL       SI_TKILL
 139   SI_SIGIO,                     /* Sent by queued SIGIO. */
 140 # define SI_SIGIO       SI_SIGIO
 141   SI_ASYNCIO,                   /* Sent by AIO completion.  */
 142 # define SI_ASYNCIO     SI_ASYNCIO
 143   SI_MESGQ,                     /* Sent by real time mesq state change.  */
 144 # define SI_MESGQ       SI_MESGQ
 145   SI_TIMER,                     /* Sent by timer expiration.  */
 146 # define SI_TIMER       SI_TIMER
 147   SI_QUEUE,                     /* Sent by sigqueue.  */
 148 # define SI_QUEUE       SI_QUEUE
 149   SI_USER,                      /* Sent by kill, sigsend, raise.  */
 150 # define SI_USER        SI_USER
 151   SI_KERNEL = 0x80              /* Send by kernel.  */
 152 #define SI_KERNEL       SI_KERNEL
 153 };
 154
 155
 156 /* `si_code' values for SIGILL signal.  */
 157 enum
 158 {
 159   ILL_ILLOPC = 1,               /* Illegal opcode.  */
 160 # define ILL_ILLOPC     ILL_ILLOPC
 161   ILL_ILLOPN,                   /* Illegal operand.  */
 162 # define ILL_ILLOPN     ILL_ILLOPN
 163   ILL_ILLADR,                   /* Illegal addressing mode.  */
 164 # define ILL_ILLADR     ILL_ILLADR
 165   ILL_ILLTRP,                   /* Illegal trap. */
 166 # define ILL_ILLTRP     ILL_ILLTRP
 167   ILL_PRVOPC,                   /* Privileged opcode.  */
 168 # define ILL_PRVOPC     ILL_PRVOPC
 169   ILL_PRVREG,                   /* Privileged register.  */
 170 # define ILL_PRVREG     ILL_PRVREG
 171   ILL_COPROC,                   /* Coprocessor error.  */
 172 # define ILL_COPROC     ILL_COPROC
 173   ILL_BADSTK,                   /* Internal stack error.  */
 174 # define ILL_BADSTK     ILL_BADSTK
 175   ILL_BADIADDR                  /* Unimplemented instruction address. */
 176 # define ILL_BADIADDR   ILL_BADIADDR
 177
 178 # ifdef __USE_GNU
 179    , ILL_BREAK
 180 #  define ILL_BREAK     ILL_BREAK
 181 # endif
 182 };
 183
 184 /* `si_code' values for SIGFPE signal.  */
 185 enum
 186 {
 187   FPE_INTDIV = 1,               /* Integer divide by zero.  */
 188 # define FPE_INTDIV     FPE_INTDIV
 189   FPE_INTOVF,                   /* Integer overflow.  */
 190 # define FPE_INTOVF     FPE_INTOVF
 191   FPE_FLTDIV,                   /* Floating point divide by zero.  */
 192 # define FPE_FLTDIV     FPE_FLTDIV
 193   FPE_FLTOVF,                   /* Floating point overflow.  */
 194 # define FPE_FLTOVF     FPE_FLTOVF
 195   FPE_FLTUND,                   /* Floating point underflow.  */
 196 # define FPE_FLTUND     FPE_FLTUND
 197   FPE_FLTRES,                   /* Floating point inexact result.  */
 198 # define FPE_FLTRES     FPE_FLTRES
 199   FPE_FLTINV,                   /* Floating point invalid operation.  */
 200 # define FPE_FLTINV     FPE_FLTINV
 201   FPE_FLTSUB                    /* Subscript out of range.  */
 202 # define FPE_FLTSUB     FPE_FLTSUB
 203 # ifdef __USE_GNU
 204    , FPE_DECOVF
 205 #  define FPE_DECOVF    FPE_DECOVF
 206    , FPE_DECDIV
 207 #  define FPE_DECDIV    FPE_DECDIV
 208    , FPE_DECERR
 209 #  define FPE_DECERR    FPE_DECERR
 210    , FPE_INVASC
 211 #  define FPE_INVASC    FPE_INVASC
 212    , FPE_INVDEC
 213 #  define FPE_INVDEC    FPE_INVDEC
 214 # endif
 215 };
 216
 217 /* `si_code' values for SIGSEGV signal.  */
 218 enum
 219 {
 220   SEGV_MAPERR = 1,              /* Address not mapped to object.  */
 221 # define SEGV_MAPERR    SEGV_MAPERR
 222   SEGV_ACCERR                   /* Invalid permissions for mapped object.  */
 223 # define SEGV_ACCERR    SEGV_ACCERR
 224 # ifdef __USE_GNU
 225   , SEGV_PSTKOVF                /* Paragraph stack overflow. */
 226 # define SEGV_PSTKOVF   SEGV_PSTKOVF
 227 # endif
 228 };
 229
 230 /* `si_code' values for SIGBUS signal.  */
 231 enum
 232 {
 233   BUS_ADRALN = 1,               /* Invalid address alignment.  */
 234 # define BUS_ADRALN     BUS_ADRALN
 235   BUS_ADRERR,                   /* Non-existant physical address.  */
 236 # define BUS_ADRERR     BUS_ADRERR
 237   BUS_OBJERR                    /* Object specific hardware error.  */
 238 # define BUS_OBJERR     BUS_OBJERR
 239 };
 240
 241 /* `si_code' values for SIGTRAP signal.  */
 242 enum
 243 {
 244   TRAP_BRKPT = 1,               /* Process breakpoint.  */
 245 # define TRAP_BRKPT     TRAP_BRKPT
 246   TRAP_TRACE                    /* Process trace trap.  */
 247 # define TRAP_TRACE     TRAP_TRACE
 248
 249 # ifdef __USE_GNU
 250   , TRAP_BRANCH
 251 # define TRAP_BRANCH    TRAP_BRANCH
 252   , TRAP_HWBKPT
 253 # define TRAP_HWBKPT    TRAP_HWBKPT
 254 # endif
 255 };
 256
 257 /* `si_code' values for SIGCHLD signal.  */
 258 enum
 259 {
 260   CLD_EXITED = 1,               /* Child has exited.  */
 261 # define CLD_EXITED     CLD_EXITED
 262   CLD_KILLED,                   /* Child was killed.  */
 263 # define CLD_KILLED     CLD_KILLED
 264   CLD_DUMPED,                   /* Child terminated abnormally.  */
 265 # define CLD_DUMPED     CLD_DUMPED
 266   CLD_TRAPPED,                  /* Traced child has trapped.  */
 267 # define CLD_TRAPPED    CLD_TRAPPED
 268   CLD_STOPPED,                  /* Child has stopped.  */
 269 # define CLD_STOPPED    CLD_STOPPED
 270   CLD_CONTINUED                 /* Stopped child has continued.  */
 271 # define CLD_CONTINUED  CLD_CONTINUED
 272 };
 273
 274 /* `si_code' values for SIGPOLL signal.  */
 275 enum
 276 {
 277   POLL_IN = 1,                  /* Data input available.  */
 278 # define POLL_IN        POLL_IN
 279   POLL_OUT,                     /* Output buffers available.  */
 280 # define POLL_OUT       POLL_OUT
 281   POLL_MSG,                     /* Input message available.   */
 282 # define POLL_MSG       POLL_MSG
 283   POLL_ERR,                     /* I/O error.  */
 284 # define POLL_ERR       POLL_ERR
 285   POLL_PRI,                     /* High priority input available.  */
 286 # define POLL_PRI       POLL_PRI
 287   POLL_HUP                      /* Device disconnected.  */
 288 # define POLL_HUP       POLL_HUP
 289 };
 290
 291 # undef __need_siginfo_t
 292 #endif  /* !have siginfo_t && (have _SIGNAL_H || need siginfo_t).  */
 293
 294
 295 #if (defined _SIGNAL_H || defined __need_sigevent_t) \
 296     && !defined __have_sigevent_t
 297 # define __have_sigevent_t      1
 298
 299 /* Structure to transport application-defined values with signals.  */
 300 # define __SIGEV_MAX_SIZE       64
 301 # define __SIGEV_PAD_SIZE       ((__SIGEV_MAX_SIZE / sizeof (int)) - 4)
 302
 303 typedef struct sigevent
 304   {
 305     sigval_t sigev_value;
 306     int sigev_signo;
 307     int sigev_notify;
 308
 309     union
 310       {
 311         int _pad[__SIGEV_PAD_SIZE];
 312
 313         struct
 314           {
 315             void (*_function) (sigval_t);       /* Function to start.  */
 316             void *_attribute;                   /* Really pthread_attr_t.  */
 317           } _sigev_thread;
 318       } _sigev_un;
 319   } sigevent_t;
 320
 321 /* POSIX names to access some of the members.  */
 322 # define sigev_notify_function   _sigev_un._sigev_thread._function
 323 # define sigev_notify_attributes _sigev_un._sigev_thread._attribute
 324
 325 /* `sigev_notify' values.  */
 326 enum
 327 {
 328   SIGEV_SIGNAL = 0,             /* Notify via signal.  */
 329 # define SIGEV_SIGNAL   SIGEV_SIGNAL
 330   SIGEV_NONE,                   /* Other notification: meaningless.  */
 331 # define SIGEV_NONE     SIGEV_NONE
 332   SIGEV_THREAD,                 /* Deliver via thread creation.  */
 333 # define SIGEV_THREAD   SIGEV_THREAD
 334
 335   SIGEV_THREAD_ID = 4           /* Send signal to specific thread.  */
 336 #define SIGEV_THREAD_ID SIGEV_THREAD_ID
 337 };
 338
 339 #endif  /* have _SIGNAL_H.  */