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

   1 /* siginfo_t, sigevent and constants.  Linux/ia64 version.
   2    Copyright (C) 2000-2012 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           } _sigfault;
  98
  99         /* SIGPOLL.  */
 100         struct
 101           {
 102             long int si_band;   /* Band event for SIGPOLL.  */
 103             int si_fd;
 104           } _sigpoll;
 105       } _sifields;
 106   } siginfo_t;
 107
 108
 109 /* X/Open requires some more fields with fixed names.  */
 110 # define si_pid         _sifields._kill.si_pid
 111 # define si_uid         _sifields._kill.si_uid
 112 # define si_timerid     _sifields._timer.si_tid
 113 # define si_overrun     _sifields._timer.si_overrun
 114 # define si_status      _sifields._sigchld.si_status
 115 # define si_utime       _sifields._sigchld.si_utime
 116 # define si_stime       _sifields._sigchld.si_stime
 117 # define si_value       _sifields._rt.si_sigval
 118 # define si_int         _sifields._rt.si_sigval.sival_int
 119 # define si_ptr         _sifields._rt.si_sigval.sival_ptr
 120 # define si_addr        _sifields._sigfault.si_addr
 121 # define si_band        _sifields._sigpoll.si_band
 122 # define si_fd          _sifields._sigpoll.si_fd
 123
 124 # ifdef __USE_GNU
 125 #  define si_imm        _sifields._sigfault._si_imm
 126 #  define si_segvflags  _sifields._sigfault._si_flags
 127 #  define si_isr        _sifields._sigfault._si_isr
 128 # endif
 129
 130 /* Values for `si_code'.  Positive values are reserved for kernel-generated
 131    signals.  */
 132 enum
 133 {
 134   SI_ASYNCNL = -60,             /* Sent by asynch name lookup completion.  */
 135 # define SI_ASYNCNL     SI_ASYNCNL
 136   SI_TKILL = -6,                /* Sent by tkill.  */
 137 # define SI_TKILL       SI_TKILL
 138   SI_SIGIO,                     /* Sent by queued SIGIO. */
 139 # define SI_SIGIO       SI_SIGIO
 140   SI_ASYNCIO,                   /* Sent by AIO completion.  */
 141 # define SI_ASYNCIO     SI_ASYNCIO
 142   SI_MESGQ,                     /* Sent by real time mesq state change.  */
 143 # define SI_MESGQ       SI_MESGQ
 144   SI_TIMER,                     /* Sent by timer expiration.  */
 145 # define SI_TIMER       SI_TIMER
 146   SI_QUEUE,                     /* Sent by sigqueue.  */
 147 # define SI_QUEUE       SI_QUEUE
 148   SI_USER,                      /* Sent by kill, sigsend.  */
 149 # define SI_USER        SI_USER
 150   SI_KERNEL = 0x80              /* Send by kernel.  */
 151 #define SI_KERNEL       SI_KERNEL
 152 };
 153
 154
 155 /* `si_code' values for SIGILL signal.  */
 156 enum
 157 {
 158   ILL_ILLOPC = 1,               /* Illegal opcode.  */
 159 # define ILL_ILLOPC     ILL_ILLOPC
 160   ILL_ILLOPN,                   /* Illegal operand.  */
 161 # define ILL_ILLOPN     ILL_ILLOPN
 162   ILL_ILLADR,                   /* Illegal addressing mode.  */
 163 # define ILL_ILLADR     ILL_ILLADR
 164   ILL_ILLTRP,                   /* Illegal trap. */
 165 # define ILL_ILLTRP     ILL_ILLTRP
 166   ILL_PRVOPC,                   /* Privileged opcode.  */
 167 # define ILL_PRVOPC     ILL_PRVOPC
 168   ILL_PRVREG,                   /* Privileged register.  */
 169 # define ILL_PRVREG     ILL_PRVREG
 170   ILL_COPROC,                   /* Coprocessor error.  */
 171 # define ILL_COPROC     ILL_COPROC
 172   ILL_BADSTK,                   /* Internal stack error.  */
 173 # define ILL_BADSTK     ILL_BADSTK
 174   ILL_BADIADDR                  /* Unimplemented instruction address. */
 175 # define ILL_BADIADDR   ILL_BADIADDR
 176
 177 # ifdef __USE_GNU
 178    , ILL_BREAK
 179 #  define ILL_BREAK     ILL_BREAK
 180 # endif
 181 };
 182
 183 /* `si_code' values for SIGFPE signal.  */
 184 enum
 185 {
 186   FPE_INTDIV = 1,               /* Integer divide by zero.  */
 187 # define FPE_INTDIV     FPE_INTDIV
 188   FPE_INTOVF,                   /* Integer overflow.  */
 189 # define FPE_INTOVF     FPE_INTOVF
 190   FPE_FLTDIV,                   /* Floating point divide by zero.  */
 191 # define FPE_FLTDIV     FPE_FLTDIV
 192   FPE_FLTOVF,                   /* Floating point overflow.  */
 193 # define FPE_FLTOVF     FPE_FLTOVF
 194   FPE_FLTUND,                   /* Floating point underflow.  */
 195 # define FPE_FLTUND     FPE_FLTUND
 196   FPE_FLTRES,                   /* Floating point inexact result.  */
 197 # define FPE_FLTRES     FPE_FLTRES
 198   FPE_FLTINV,                   /* Floating point invalid operation.  */
 199 # define FPE_FLTINV     FPE_FLTINV
 200   FPE_FLTSUB                    /* Subscript out of range.  */
 201 # define FPE_FLTSUB     FPE_FLTSUB
 202 # ifdef __USE_GNU
 203    , FPE_DECOVF
 204 #  define FPE_DECOVF    FPE_DECOVF
 205    , FPE_DECDIV
 206 #  define FPE_DECDIV    FPE_DECDIV
 207    , FPE_DECERR
 208 #  define FPE_DECERR    FPE_DECERR
 209    , FPE_INVASC
 210 #  define FPE_INVASC    FPE_INVASC
 211    , FPE_INVDEC
 212 #  define FPE_INVDEC    FPE_INVDEC
 213 # endif
 214 };
 215
 216 /* `si_code' values for SIGSEGV signal.  */
 217 enum
 218 {
 219   SEGV_MAPERR = 1,              /* Address not mapped to object.  */
 220 # define SEGV_MAPERR    SEGV_MAPERR
 221   SEGV_ACCERR                   /* Invalid permissions for mapped object.  */
 222 # define SEGV_ACCERR    SEGV_ACCERR
 223 # ifdef __USE_GNU
 224   , SEGV_PSTKOVF                /* Paragraph stack overflow. */
 225 # define SEGV_PSTKOVF   SEGV_PSTKOVF
 226 # endif
 227 };
 228
 229 /* `si_code' values for SIGBUS signal.  */
 230 enum
 231 {
 232   BUS_ADRALN = 1,               /* Invalid address alignment.  */
 233 # define BUS_ADRALN     BUS_ADRALN
 234   BUS_ADRERR,                   /* Non-existant physical address.  */
 235 # define BUS_ADRERR     BUS_ADRERR
 236   BUS_OBJERR                    /* Object specific hardware error.  */
 237 # define BUS_OBJERR     BUS_OBJERR
 238 };
 239
 240 /* `si_code' values for SIGTRAP signal.  */
 241 enum
 242 {
 243   TRAP_BRKPT = 1,               /* Process breakpoint.  */
 244 # define TRAP_BRKPT     TRAP_BRKPT
 245   TRAP_TRACE                    /* Process trace trap.  */
 246 # define TRAP_TRACE     TRAP_TRACE
 247
 248 # ifdef __USE_GNU
 249   , TRAP_BRANCH
 250 # define TRAP_BRANCH    TRAP_BRANCH
 251   , TRAP_HWBKPT
 252 # define TRAP_HWBKPT    TRAP_HWBKPT
 253 # endif
 254 };
 255
 256 /* `si_code' values for SIGCHLD signal.  */
 257 enum
 258 {
 259   CLD_EXITED = 1,               /* Child has exited.  */
 260 # define CLD_EXITED     CLD_EXITED
 261   CLD_KILLED,                   /* Child was killed.  */
 262 # define CLD_KILLED     CLD_KILLED
 263   CLD_DUMPED,                   /* Child terminated abnormally.  */
 264 # define CLD_DUMPED     CLD_DUMPED
 265   CLD_TRAPPED,                  /* Traced child has trapped.  */
 266 # define CLD_TRAPPED    CLD_TRAPPED
 267   CLD_STOPPED,                  /* Child has stopped.  */
 268 # define CLD_STOPPED    CLD_STOPPED
 269   CLD_CONTINUED                 /* Stopped child has continued.  */
 270 # define CLD_CONTINUED  CLD_CONTINUED
 271 };
 272
 273 /* `si_code' values for SIGPOLL signal.  */
 274 enum
 275 {
 276   POLL_IN = 1,                  /* Data input available.  */
 277 # define POLL_IN        POLL_IN
 278   POLL_OUT,                     /* Output buffers available.  */
 279 # define POLL_OUT       POLL_OUT
 280   POLL_MSG,                     /* Input message available.   */
 281 # define POLL_MSG       POLL_MSG
 282   POLL_ERR,                     /* I/O error.  */
 283 # define POLL_ERR       POLL_ERR
 284   POLL_PRI,                     /* High priority input available.  */
 285 # define POLL_PRI       POLL_PRI
 286   POLL_HUP                      /* Device disconnected.  */
 287 # define POLL_HUP       POLL_HUP
 288 };
 289
 290 # undef __need_siginfo_t
 291 #endif  /* !have siginfo_t && (have _SIGNAL_H || need siginfo_t).  */
 292
 293
 294 #if (defined _SIGNAL_H || defined __need_sigevent_t) \
 295     && !defined __have_sigevent_t
 296 # define __have_sigevent_t      1
 297
 298 /* Structure to transport application-defined values with signals.  */
 299 # define __SIGEV_MAX_SIZE       64
 300 # define __SIGEV_PAD_SIZE       ((__SIGEV_MAX_SIZE / sizeof (int)) - 4)
 301
 302 /* Forward declaration.  */
 303 # ifndef __have_pthread_attr_t
 304 typedef union pthread_attr_t pthread_attr_t;
 305 #  define __have_pthread_attr_t 1
 306 # endif
 307
 308 typedef struct sigevent
 309   {
 310     sigval_t sigev_value;
 311     int sigev_signo;
 312     int sigev_notify;
 313
 314     union
 315       {
 316         int _pad[__SIGEV_PAD_SIZE];
 317
 318         /* When SIGEV_SIGNAL and SIGEV_THREAD_ID set, LWP ID of the
 319            thread to receive the signal.  */
 320         __pid_t _tid;
 321
 322         struct
 323           {
 324             void (*_function) (sigval_t);       /* Function to start.  */
 325             pthread_attr_t *_attribute;         /* Thread attributes.  */
 326           } _sigev_thread;
 327       } _sigev_un;
 328   } sigevent_t;
 329
 330 /* POSIX names to access some of the members.  */
 331 # define sigev_notify_function   _sigev_un._sigev_thread._function
 332 # define sigev_notify_attributes _sigev_un._sigev_thread._attribute
 333
 334 /* `sigev_notify' values.  */
 335 enum
 336 {
 337   SIGEV_SIGNAL = 0,             /* Notify via signal.  */
 338 # define SIGEV_SIGNAL   SIGEV_SIGNAL
 339   SIGEV_NONE,                   /* Other notification: meaningless.  */
 340 # define SIGEV_NONE     SIGEV_NONE
 341   SIGEV_THREAD,                 /* Deliver via thread creation.  */
 342 # define SIGEV_THREAD   SIGEV_THREAD
 343
 344   SIGEV_THREAD_ID = 4           /* Send signal to specific thread.  */
 345 #define SIGEV_THREAD_ID SIGEV_THREAD_ID
 346 };
 347
 348 #endif  /* have _SIGNAL_H.  */