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

   1 /* siginfo_t, sigevent and constants.  Linux/ia64 version.
   2    Copyright (C) 2000-2014 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 /* `si_code' values for SIGILL signal.  */
 158 enum
 159 {
 160   ILL_ILLOPC = 1,               /* Illegal opcode.  */
 161 # define ILL_ILLOPC     ILL_ILLOPC
 162   ILL_ILLOPN,                   /* Illegal operand.  */
 163 # define ILL_ILLOPN     ILL_ILLOPN
 164   ILL_ILLADR,                   /* Illegal addressing mode.  */
 165 # define ILL_ILLADR     ILL_ILLADR
 166   ILL_ILLTRP,                   /* Illegal trap. */
 167 # define ILL_ILLTRP     ILL_ILLTRP
 168   ILL_PRVOPC,                   /* Privileged opcode.  */
 169 # define ILL_PRVOPC     ILL_PRVOPC
 170   ILL_PRVREG,                   /* Privileged register.  */
 171 # define ILL_PRVREG     ILL_PRVREG
 172   ILL_COPROC,                   /* Coprocessor error.  */
 173 # define ILL_COPROC     ILL_COPROC
 174   ILL_BADSTK,                   /* Internal stack error.  */
 175 # define ILL_BADSTK     ILL_BADSTK
 176   ILL_BADIADDR                  /* Unimplemented instruction address. */
 177 # define ILL_BADIADDR   ILL_BADIADDR
 178
 179 # ifdef __USE_GNU
 180    , ILL_BREAK
 181 #  define ILL_BREAK     ILL_BREAK
 182 # endif
 183 };
 184
 185 /* `si_code' values for SIGFPE signal.  */
 186 enum
 187 {
 188   FPE_INTDIV = 1,               /* Integer divide by zero.  */
 189 # define FPE_INTDIV     FPE_INTDIV
 190   FPE_INTOVF,                   /* Integer overflow.  */
 191 # define FPE_INTOVF     FPE_INTOVF
 192   FPE_FLTDIV,                   /* Floating point divide by zero.  */
 193 # define FPE_FLTDIV     FPE_FLTDIV
 194   FPE_FLTOVF,                   /* Floating point overflow.  */
 195 # define FPE_FLTOVF     FPE_FLTOVF
 196   FPE_FLTUND,                   /* Floating point underflow.  */
 197 # define FPE_FLTUND     FPE_FLTUND
 198   FPE_FLTRES,                   /* Floating point inexact result.  */
 199 # define FPE_FLTRES     FPE_FLTRES
 200   FPE_FLTINV,                   /* Floating point invalid operation.  */
 201 # define FPE_FLTINV     FPE_FLTINV
 202   FPE_FLTSUB                    /* Subscript out of range.  */
 203 # define FPE_FLTSUB     FPE_FLTSUB
 204 # ifdef __USE_GNU
 205    , FPE_DECOVF
 206 #  define FPE_DECOVF    FPE_DECOVF
 207    , FPE_DECDIV
 208 #  define FPE_DECDIV    FPE_DECDIV
 209    , FPE_DECERR
 210 #  define FPE_DECERR    FPE_DECERR
 211    , FPE_INVASC
 212 #  define FPE_INVASC    FPE_INVASC
 213    , FPE_INVDEC
 214 #  define FPE_INVDEC    FPE_INVDEC
 215 # endif
 216 };
 217
 218 /* `si_code' values for SIGSEGV signal.  */
 219 enum
 220 {
 221   SEGV_MAPERR = 1,              /* Address not mapped to object.  */
 222 # define SEGV_MAPERR    SEGV_MAPERR
 223   SEGV_ACCERR                   /* Invalid permissions for mapped object.  */
 224 # define SEGV_ACCERR    SEGV_ACCERR
 225 # ifdef __USE_GNU
 226   , SEGV_PSTKOVF                /* Paragraph stack overflow. */
 227 # define SEGV_PSTKOVF   SEGV_PSTKOVF
 228 # endif
 229 };
 230
 231 /* `si_code' values for SIGBUS signal.  */
 232 enum
 233 {
 234   BUS_ADRALN = 1,               /* Invalid address alignment.  */
 235 # define BUS_ADRALN     BUS_ADRALN
 236   BUS_ADRERR,                   /* Non-existant physical address.  */
 237 # define BUS_ADRERR     BUS_ADRERR
 238   BUS_OBJERR,                   /* Object specific hardware error.  */
 239 # define BUS_OBJERR     BUS_OBJERR
 240   BUS_MCEERR_AR,                /* Hardware memory error: action required.  */
 241 # define BUS_MCEERR_AR  BUS_MCEERR_AR
 242   BUS_MCEERR_AO                 /* Hardware memory error: action optional.  */
 243 # define BUS_MCEERR_AO  BUS_MCEERR_AO
 244 };
 245
 246 /* `si_code' values for SIGTRAP signal.  */
 247 enum
 248 {
 249   TRAP_BRKPT = 1,               /* Process breakpoint.  */
 250 # define TRAP_BRKPT     TRAP_BRKPT
 251   TRAP_TRACE                    /* Process trace trap.  */
 252 # define TRAP_TRACE     TRAP_TRACE
 253
 254 # ifdef __USE_GNU
 255   , TRAP_BRANCH
 256 # define TRAP_BRANCH    TRAP_BRANCH
 257   , TRAP_HWBKPT
 258 # define TRAP_HWBKPT    TRAP_HWBKPT
 259 # endif
 260 };
 261
 262 /* `si_code' values for SIGCHLD signal.  */
 263 enum
 264 {
 265   CLD_EXITED = 1,               /* Child has exited.  */
 266 # define CLD_EXITED     CLD_EXITED
 267   CLD_KILLED,                   /* Child was killed.  */
 268 # define CLD_KILLED     CLD_KILLED
 269   CLD_DUMPED,                   /* Child terminated abnormally.  */
 270 # define CLD_DUMPED     CLD_DUMPED
 271   CLD_TRAPPED,                  /* Traced child has trapped.  */
 272 # define CLD_TRAPPED    CLD_TRAPPED
 273   CLD_STOPPED,                  /* Child has stopped.  */
 274 # define CLD_STOPPED    CLD_STOPPED
 275   CLD_CONTINUED                 /* Stopped child has continued.  */
 276 # define CLD_CONTINUED  CLD_CONTINUED
 277 };
 278
 279 /* `si_code' values for SIGPOLL signal.  */
 280 enum
 281 {
 282   POLL_IN = 1,                  /* Data input available.  */
 283 # define POLL_IN        POLL_IN
 284   POLL_OUT,                     /* Output buffers available.  */
 285 # define POLL_OUT       POLL_OUT
 286   POLL_MSG,                     /* Input message available.   */
 287 # define POLL_MSG       POLL_MSG
 288   POLL_ERR,                     /* I/O error.  */
 289 # define POLL_ERR       POLL_ERR
 290   POLL_PRI,                     /* High priority input available.  */
 291 # define POLL_PRI       POLL_PRI
 292   POLL_HUP                      /* Device disconnected.  */
 293 # define POLL_HUP       POLL_HUP
 294 };
 295
 296 # undef __need_siginfo_t
 297 #endif  /* !have siginfo_t && (have _SIGNAL_H || need siginfo_t).  */
 298
 299
 300 #if (defined _SIGNAL_H || defined __need_sigevent_t) \
 301     && !defined __have_sigevent_t
 302 # define __have_sigevent_t      1
 303
 304 /* Structure to transport application-defined values with signals.  */
 305 # define __SIGEV_MAX_SIZE       64
 306 # define __SIGEV_PAD_SIZE       ((__SIGEV_MAX_SIZE / sizeof (int)) - 4)
 307
 308 /* Forward declaration.  */
 309 # ifndef __have_pthread_attr_t
 310 typedef union pthread_attr_t pthread_attr_t;
 311 #  define __have_pthread_attr_t 1
 312 # endif
 313
 314 typedef struct sigevent
 315   {
 316     sigval_t sigev_value;
 317     int sigev_signo;
 318     int sigev_notify;
 319
 320     union
 321       {
 322         int _pad[__SIGEV_PAD_SIZE];
 323
 324         /* When SIGEV_SIGNAL and SIGEV_THREAD_ID set, LWP ID of the
 325            thread to receive the signal.  */
 326         __pid_t _tid;
 327
 328         struct
 329           {
 330             void (*_function) (sigval_t);       /* Function to start.  */
 331             pthread_attr_t *_attribute;         /* Thread attributes.  */
 332           } _sigev_thread;
 333       } _sigev_un;
 334   } sigevent_t;
 335
 336 /* POSIX names to access some of the members.  */
 337 # define sigev_notify_function   _sigev_un._sigev_thread._function
 338 # define sigev_notify_attributes _sigev_un._sigev_thread._attribute
 339
 340 /* `sigev_notify' values.  */
 341 enum
 342 {
 343   SIGEV_SIGNAL = 0,             /* Notify via signal.  */
 344 # define SIGEV_SIGNAL   SIGEV_SIGNAL
 345   SIGEV_NONE,                   /* Other notification: meaningless.  */
 346 # define SIGEV_NONE     SIGEV_NONE
 347   SIGEV_THREAD,                 /* Deliver via thread creation.  */
 348 # define SIGEV_THREAD   SIGEV_THREAD
 349
 350   SIGEV_THREAD_ID = 4           /* Send signal to specific thread.  */
 351 #define SIGEV_THREAD_ID SIGEV_THREAD_ID
 352 };
 353
 354 #endif  /* have _SIGNAL_H.  */