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

   1 /* siginfo_t, sigevent and constants.  Linux/ia64 version.
   2    Copyright (C) 2000, 2001 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 Library General Public License as
   8    published by the Free Software Foundation; either version 2 of the
   9    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    Library General Public License for more details.
  15
  16    You should have received a copy of the GNU Library General Public
  17    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  18    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19    Boston, MA 02111-1307, USA.  */
  20
  21 #if !defined _SIGNAL_H && !defined __need_siginfo_t
  22 # error "Never include this file directly.  Use <signal.h> instead"
  23 #endif
  24
  25 #if (!defined __have_siginfo_t \
  26      && (defined _SIGNAL_H || defined __need_siginfo_t))
  27 # define __have_siginfo_t       1
  28
  29 /* Type for data associated with a signal.  */
  30 typedef union sigval
  31   {
  32     int sival_int;
  33     void *sival_ptr;
  34   } sigval_t;
  35
  36 # define __SI_MAX_SIZE     128
  37 # define __SI_PAD_SIZE     ((__SI_MAX_SIZE / sizeof (int)) - 4)
  38
  39 typedef struct siginfo
  40   {
  41     int si_signo;               /* Signal number.  */
  42     int si_errno;               /* If non-zero, an errno value associated with
  43                                    this signal, as defined in <errno.h>.  */
  44     int si_code;                /* Signal code.  */
  45
  46     union
  47       {
  48         int _pad[__SI_PAD_SIZE];
  49
  50          /* kill().  */
  51         struct
  52           {
  53             __pid_t si_pid;     /* Sending process ID.  */
  54             __uid_t si_uid;     /* Real user ID of sending process.  */
  55           } _kill;
  56
  57         /* POSIX.1b timers.  */
  58         struct
  59           {
  60             unsigned int _timer1;
  61             unsigned int _timer2;
  62           } _timer;
  63
  64         /* POSIX.1b signals.  */
  65         struct
  66           {
  67             __pid_t si_pid;     /* Sending process ID.  */
  68             __uid_t si_uid;     /* Real user ID of sending process.  */
  69             sigval_t si_sigval; /* Signal value.  */
  70           } _rt;
  71
  72         /* SIGCHLD.  */
  73         struct
  74           {
  75             __pid_t si_pid;     /* Which child.  */
  76             __uid_t si_uid;     /* Real user ID of sending process.  */
  77             int si_status;      /* Exit value or signal.  */
  78             __clock_t si_utime;
  79             __clock_t si_stime;
  80           } _sigchld;
  81
  82         /* SIGILL, SIGFPE, SIGSEGV, SIGBUS.  */
  83         struct
  84           {
  85             void *si_addr;      /* Faulting insn/memory ref.  */
  86             int _si_imm;
  87             int _si_pad0;
  88             unsigned long int _si_isr;
  89           } _sigfault;
  90
  91         /* SIGPOLL.  */
  92         struct
  93           {
  94             long int si_band;   /* Band event for SIGPOLL.  */
  95             int si_fd;
  96           } _sigpoll;
  97       } _sifields;
  98   } siginfo_t;
  99
 100
 101 /* X/Open requires some more fields with fixed names.  */
 102 # define si_pid         _sifields._kill.si_pid
 103 # define si_uid         _sifields._kill.si_uid
 104 # define si_status      _sifields._sigchld.si_status
 105 # define si_utime       _sifields._sigchld.si_utime
 106 # define si_stime       _sifields._sigchld.si_stime
 107 # define si_value       _sifields._rt.si_sigval
 108 # define si_int         _sifields._rt.si_sigval.sival_int
 109 # define si_ptr         _sifields._rt.si_sigval.sival_ptr
 110 # define si_addr        _sifields._sigfault.si_addr
 111 # define si_band        _sifields._sigpoll.si_band
 112 # define si_fd          _sifields._sigpoll.si_fd
 113
 114 #ifdef __USE_GNU
 115 #  define si_imm        _sifields._sigfault._si_imm
 116 #  define si_isr        _sifields._sigfault._si_isr
 117 #endif
 118
 119 /* Values for `si_code'.  Positive values are reserved for kernel-generated
 120    signals.  */
 121 enum
 122 {
 123   SI_SIGIO = -5,                /* Sent by queued SIGIO. */
 124 # define SI_SIGIO       SI_SIGIO
 125   SI_ASYNCIO,                   /* Sent by AIO completion.  */
 126 # define SI_ASYNCIO     SI_ASYNCIO
 127   SI_MESGQ,                     /* Sent by real time mesq state change.  */
 128 # define SI_MESGQ       SI_MESGQ
 129   SI_TIMER,                     /* Sent by timer expiration.  */
 130 # define SI_TIMER       SI_TIMER
 131   SI_QUEUE,                     /* Sent by sigqueue.  */
 132 # define SI_QUEUE       SI_QUEUE
 133   SI_USER,                      /* Sent by kill, sigsend, raise.  */
 134 # define SI_USER        SI_USER
 135   SI_KERNEL = 0x80              /* Send by kernel.  */
 136 #define SI_KERNEL       SI_KERNEL
 137 };
 138
 139
 140 /* `si_code' values for SIGILL signal.  */
 141 enum
 142 {
 143   ILL_ILLOPC = 1,               /* Illegal opcode.  */
 144 # define ILL_ILLOPC     ILL_ILLOPC
 145   ILL_ILLOPN,                   /* Illegal operand.  */
 146 # define ILL_ILLOPN     ILL_ILLOPN
 147   ILL_ILLADR,                   /* Illegal addressing mode.  */
 148 # define ILL_ILLADR     ILL_ILLADR
 149   ILL_ILLTRP,                   /* Illegal trap. */
 150 # define ILL_ILLTRP     ILL_ILLTRP
 151   ILL_PRVOPC,                   /* Privileged opcode.  */
 152 # define ILL_PRVOPC     ILL_PRVOPC
 153   ILL_PRVREG,                   /* Privileged register.  */
 154 # define ILL_PRVREG     ILL_PRVREG
 155   ILL_COPROC,                   /* Coprocessor error.  */
 156 # define ILL_COPROC     ILL_COPROC
 157   ILL_BADSTK,                   /* Internal stack error.  */
 158 # define ILL_BADSTK     ILL_BADSTK
 159   ILL_BADIADDR                  /* Unimplemented instruction address. */
 160 # define ILL_BADIADDR   ILL_BADIADDR
 161
 162 # ifdef __USE_GNU
 163    , ILL_BREAK
 164 #  define ILL_BREAK     __ILL_BREAK
 165 # endif
 166 };
 167
 168 /* `si_code' values for SIGFPE signal.  */
 169 enum
 170 {
 171   FPE_INTDIV = 1,               /* Integer divide by zero.  */
 172 # define FPE_INTDIV     FPE_INTDIV
 173   FPE_INTOVF,                   /* Integer overflow.  */
 174 # define FPE_INTOVF     FPE_INTOVF
 175   FPE_FLTDIV,                   /* Floating point divide by zero.  */
 176 # define FPE_FLTDIV     FPE_FLTDIV
 177   FPE_FLTOVF,                   /* Floating point overflow.  */
 178 # define FPE_FLTOVF     FPE_FLTOVF
 179   FPE_FLTUND,                   /* Floating point underflow.  */
 180 # define FPE_FLTUND     FPE_FLTUND
 181   FPE_FLTRES,                   /* Floating point inexact result.  */
 182 # define FPE_FLTRES     FPE_FLTRES
 183   FPE_FLTINV,                   /* Floating point invalid operation.  */
 184 # define FPE_FLTINV     FPE_FLTINV
 185   FPE_FLTSUB                    /* Subscript out of range.  */
 186 # define FPE_FLTSUB     FPE_FLTSUB
 187 # ifdef __USE_GNU
 188    , FPE_DECOVF
 189 #  define FPE_DECOVF    __FPE_DECOVF
 190    , FPE_DECDIV
 191 #  define FPE_DECDIV    __FPE_DECDIV
 192    , FPE_DECERR
 193 #  define FPE_DECERR    __FPE_DECERR
 194    , FPE_INVASC
 195 #  define FPE_INVASC    __FPE_INVASC
 196    , FPE_INVDEC
 197 #  define FPE_INVDEC    __FPE_INVDEC
 198 # endif
 199 };
 200
 201 /* `si_code' values for SIGSEGV signal.  */
 202 enum
 203 {
 204   SEGV_MAPERR = 1,              /* Address not mapped to object.  */
 205 # define SEGV_MAPERR    SEGV_MAPERR
 206   SEGV_ACCERR                   /* Invalid permissions for mapped object.  */
 207 # define SEGV_ACCERR    SEGV_ACCERR
 208 # ifdef __USE_GNU
 209   , SEGV_PSTKOVF                /* Paragraph stack overflow. */
 210 # define SEGV_PSTKOVF   __SEGV_PSTKOVF
 211 # endif
 212 };
 213
 214 /* `si_code' values for SIGBUS signal.  */
 215 enum
 216 {
 217   BUS_ADRALN = 1,               /* Invalid address alignment.  */
 218 # define BUS_ADRALN     BUS_ADRALN
 219   BUS_ADRERR,                   /* Non-existant physical address.  */
 220 # define BUS_ADRERR     BUS_ADRERR
 221   BUS_OBJERR                    /* Object specific hardware error.  */
 222 # define BUS_OBJERR     BUS_OBJERR
 223 };
 224
 225 /* `si_code' values for SIGTRAP signal.  */
 226 enum
 227 {
 228   TRAP_BRKPT = 1,               /* Process breakpoint.  */
 229 # define TRAP_BRKPT     TRAP_BRKPT
 230   TRAP_TRACE                    /* Process trace trap.  */
 231 # define TRAP_TRACE     TRAP_TRACE
 232
 233 # ifdef __USE_GNU
 234   , TRAP_BRANCH
 235 # define TRAP_BRANCH    TRAP_BRANCH
 236   , TRAP_HWBKPT
 237 # define TRAP_HWBKPT    TRAP_HWBKPT
 238 # endif
 239 };
 240
 241 /* `si_code' values for SIGCHLD signal.  */
 242 enum
 243 {
 244   CLD_EXITED = 1,               /* Child has exited.  */
 245 # define CLD_EXITED     CLD_EXITED
 246   CLD_KILLED,                   /* Child was killed.  */
 247 # define CLD_KILLED     CLD_KILLED
 248   CLD_DUMPED,                   /* Child terminated abnormally.  */
 249 # define CLD_DUMPED     CLD_DUMPED
 250   CLD_TRAPPED,                  /* Traced child has trapped.  */
 251 # define CLD_TRAPPED    CLD_TRAPPED
 252   CLD_STOPPED,                  /* Child has stopped.  */
 253 # define CLD_STOPPED    CLD_STOPPED
 254   CLD_CONTINUED                 /* Stopped child has continued.  */
 255 # define CLD_CONTINUED  CLD_CONTINUED
 256 };
 257
 258 /* `si_code' values for SIGPOLL signal.  */
 259 enum
 260 {
 261   POLL_IN = 1,                  /* Data input available.  */
 262 # define POLL_IN        POLL_IN
 263   POLL_OUT,                     /* Output buffers available.  */
 264 # define POLL_OUT       POLL_OUT
 265   POLL_MSG,                     /* Input message available.   */
 266 # define POLL_MSG       POLL_MSG
 267   POLL_ERR,                     /* I/O error.  */
 268 # define POLL_ERR       POLL_ERR
 269   POLL_PRI,                     /* High priority input available.  */
 270 # define POLL_PRI       POLL_PRI
 271   POLL_HUP                      /* Device disconnected.  */
 272 # define POLL_HUP       POLL_HUP
 273 };
 274
 275 # undef __need_siginfo_t
 276 #endif  /* !have siginfo_t && (have _SIGNAL_H || need siginfo_t).  */
 277
 278
 279 #if defined _SIGNAL_H && !defined __have_sigevent_t
 280 # define __have_sigevent_t      1
 281
 282 /* Structure to transport application-defined values with signals.  */
 283 # define __SIGEV_MAX_SIZE       64
 284 # define __SIGEV_PAD_SIZE       ((__SIGEV_MAX_SIZE / sizeof (int)) - 4)
 285
 286 /* Forward declaration of the `pthread_attr_t' type.  */
 287 struct __pthread_attr_s;
 288
 289 typedef struct sigevent
 290   {
 291     sigval_t sigev_value;
 292     int sigev_signo;
 293     int sigev_notify;
 294
 295     union
 296       {
 297         int _pad[__SIGEV_PAD_SIZE];
 298
 299         struct
 300           {
 301             void (*_function) (sigval_t);         /* Function to start.  */
 302             struct __pthread_attr_s *_attribute;  /* Really pthread_attr_t.  */
 303           } _sigev_thread;
 304       } _sigev_un;
 305   } sigevent_t;
 306
 307 /* POSIX names to access some of the members.  */
 308 # define sigev_notify_function   _sigev_un._sigev_thread._function
 309 # define sigev_notify_attributes _sigev_un._sigev_thread._attribute
 310
 311 /* `sigev_notify' values.  */
 312 enum
 313 {
 314   SIGEV_SIGNAL = 0,             /* Notify via signal.  */
 315 # define SIGEV_SIGNAL   SIGEV_SIGNAL
 316   SIGEV_NONE,                   /* Other notification: meaningless.  */
 317 # define SIGEV_NONE     SIGEV_NONE
 318   SIGEV_THREAD                  /* Deliver via thread creation.  */
 319 # define SIGEV_THREAD   SIGEV_THREAD
 320 };
 321
 322 #endif  /* have _SIGNAL_H.  */