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

   1 /* siginfo_t, sigevent and constants.  Linux/SPARC version.
   2    Copyright (C) 1997-2015 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <http://www.gnu.org/licenses/>.  */
  18
  19 #if !defined _SIGNAL_H && !defined __need_siginfo_t \
  20     && !defined __need_sigevent_t
  21 # error "Never include this file directly.  Use <signal.h> instead"
  22 #endif
  23
  24 #include <bits/wordsize.h>
  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 # if __WORDSIZE == 64
  45 #  define __SI_PAD_SIZE     ((__SI_MAX_SIZE / sizeof (int)) - 4)
  46 # else
  47 #  define __SI_PAD_SIZE     ((__SI_MAX_SIZE / sizeof (int)) - 3)
  48 # endif
  49
  50 typedef struct
  51   {
  52     int si_signo;               /* Signal number.  */
  53     int si_errno;               /* If non-zero, an errno value associated with
  54                                    this signal, as defined in <errno.h>.  */
  55     int si_code;                /* Signal code.  */
  56
  57     union
  58       {
  59         int _pad[__SI_PAD_SIZE];
  60
  61          /* kill().  */
  62         struct
  63           {
  64             __pid_t si_pid;     /* Sending process ID.  */
  65             __uid_t si_uid;     /* Real user ID of sending process.  */
  66           } _kill;
  67
  68         /* POSIX.1b timers.  */
  69         struct
  70           {
  71             int si_tid;         /* Timer ID.  */
  72             int si_overrun;     /* Overrun count.  */
  73             sigval_t si_sigval; /* Signal value.  */
  74           } _timer;
  75
  76         /* POSIX.1b signals.  */
  77         struct
  78           {
  79             __pid_t si_pid;     /* Sending process ID.  */
  80             __uid_t si_uid;     /* Real user ID of sending process.  */
  81             sigval_t si_sigval; /* Signal value.  */
  82           } _rt;
  83
  84         /* SIGCHLD.  */
  85         struct
  86           {
  87             __pid_t si_pid;     /* Which child.  */
  88             __uid_t si_uid;     /* Real user ID of sending process.  */
  89             int si_status;      /* Exit value or signal.  */
  90             __clock_t si_utime;
  91             __clock_t si_stime;
  92           } _sigchld;
  93
  94         /* SIGILL, SIGFPE, SIGSEGV, SIGBUS.  */
  95         struct
  96           {
  97             void *si_addr;      /* Faulting insn/memory ref.  */
  98             int si_trapno;
  99             short int si_addr_lsb;      /* Valid LSB of the reported address.  */
 100           } _sigfault;
 101
 102         /* SIGPOLL.  */
 103         struct
 104           {
 105             int si_band;        /* Band event for SIGPOLL.  */
 106             int si_fd;
 107           } _sigpoll;
 108
 109         /* SIGSYS.  */
 110         struct
 111           {
 112             void *_call_addr;   /* Calling user insn.  */
 113             int _syscall;       /* Triggering system call number.  */
 114             unsigned int _arch; /* AUDIT_ARCH_* of syscall.  */
 115           } _sigsys;
 116       } _sifields;
 117   } siginfo_t;
 118
 119
 120 /* X/Open requires some more fields with fixed names.  */
 121 # define si_pid         _sifields._kill.si_pid
 122 # define si_uid         _sifields._kill.si_uid
 123 # define si_timerid     _sifields._timer.si_tid
 124 # define si_overrun     _sifields._timer.si_overrun
 125 # define si_status      _sifields._sigchld.si_status
 126 # define si_utime       _sifields._sigchld.si_utime
 127 # define si_stime       _sifields._sigchld.si_stime
 128 # define si_value       _sifields._rt.si_sigval
 129 # define si_int         _sifields._rt.si_sigval.sival_int
 130 # define si_ptr         _sifields._rt.si_sigval.sival_ptr
 131 # define si_addr        _sifields._sigfault.si_addr
 132 # define si_trapno      _sifields._sigfault.si_trapno
 133 # define si_addr_lsb    _sifields._sigfault.si_addr_lsb
 134 # define si_band        _sifields._sigpoll.si_band
 135 # define si_fd          _sifields._sigpoll.si_fd
 136 # define si_call_addr   _sifields._sigsys._call_addr
 137 # define si_syscall     _sifields._sigsys._syscall
 138 # define si_arch        _sifields._sigsys._arch
 139
 140
 141 /* Values for `si_code'.  Positive values are reserved for kernel-generated
 142    signals.  */
 143 enum
 144 {
 145   SI_ASYNCNL = -60,             /* Sent by asynch name lookup completion.  */
 146 # define SI_ASYNCNL     SI_ASYNCNL
 147   SI_TKILL = -6,                /* Sent by tkill.  */
 148 # define SI_TKILL       SI_TKILL
 149   SI_SIGIO,                     /* Sent by queued SIGIO. */
 150 # define SI_SIGIO       SI_SIGIO
 151   SI_ASYNCIO,                   /* Sent by AIO completion.  */
 152 # define SI_ASYNCIO     SI_ASYNCIO
 153   SI_MESGQ,                     /* Sent by real time mesq state change.  */
 154 # define SI_MESGQ       SI_MESGQ
 155   SI_TIMER,                     /* Sent by timer expiration.  */
 156 # define SI_TIMER       SI_TIMER
 157   SI_QUEUE,                     /* Sent by sigqueue.  */
 158 # define SI_QUEUE       SI_QUEUE
 159   SI_USER,                      /* Sent by kill, sigsend.  */
 160 # define SI_USER        SI_USER
 161   SI_KERNEL = 0x80              /* Send by kernel.  */
 162 #define SI_KERNEL       SI_KERNEL
 163 };
 164
 165
 166 # if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
 167 /* `si_code' values for SIGILL signal.  */
 168 enum
 169 {
 170   ILL_ILLOPC = 1,               /* Illegal opcode.  */
 171 #  define ILL_ILLOPC    ILL_ILLOPC
 172   ILL_ILLOPN,                   /* Illegal operand.  */
 173 #  define ILL_ILLOPN    ILL_ILLOPN
 174   ILL_ILLADR,                   /* Illegal addressing mode.  */
 175 #  define ILL_ILLADR    ILL_ILLADR
 176   ILL_ILLTRP,                   /* Illegal trap. */
 177 #  define ILL_ILLTRP    ILL_ILLTRP
 178   ILL_PRVOPC,                   /* Privileged opcode.  */
 179 #  define ILL_PRVOPC    ILL_PRVOPC
 180   ILL_PRVREG,                   /* Privileged register.  */
 181 #  define ILL_PRVREG    ILL_PRVREG
 182   ILL_COPROC,                   /* Coprocessor error.  */
 183 #  define ILL_COPROC    ILL_COPROC
 184   ILL_BADSTK                    /* Internal stack error.  */
 185 #  define ILL_BADSTK    ILL_BADSTK
 186 };
 187
 188 /* `si_code' values for SIGFPE signal.  */
 189 enum
 190 {
 191   FPE_INTDIV = 1,               /* Integer divide by zero.  */
 192 #  define FPE_INTDIV    FPE_INTDIV
 193   FPE_INTOVF,                   /* Integer overflow.  */
 194 #  define FPE_INTOVF    FPE_INTOVF
 195   FPE_FLTDIV,                   /* Floating point divide by zero.  */
 196 #  define FPE_FLTDIV    FPE_FLTDIV
 197   FPE_FLTOVF,                   /* Floating point overflow.  */
 198 #  define FPE_FLTOVF    FPE_FLTOVF
 199   FPE_FLTUND,                   /* Floating point underflow.  */
 200 #  define FPE_FLTUND    FPE_FLTUND
 201   FPE_FLTRES,                   /* Floating point inexact result.  */
 202 #  define FPE_FLTRES    FPE_FLTRES
 203   FPE_FLTINV,                   /* Floating point invalid operation.  */
 204 #  define FPE_FLTINV    FPE_FLTINV
 205   FPE_FLTSUB                    /* Subscript out of range.  */
 206 #  define FPE_FLTSUB    FPE_FLTSUB
 207 };
 208
 209 /* `si_code' values for SIGSEGV signal.  */
 210 enum
 211 {
 212   SEGV_MAPERR = 1,              /* Address not mapped to object.  */
 213 #  define SEGV_MAPERR   SEGV_MAPERR
 214   SEGV_ACCERR                   /* Invalid permissions for mapped object.  */
 215 #  define SEGV_ACCERR   SEGV_ACCERR
 216 };
 217
 218 /* `si_code' values for SIGBUS signal.  */
 219 enum
 220 {
 221   BUS_ADRALN = 1,               /* Invalid address alignment.  */
 222 #  define BUS_ADRALN    BUS_ADRALN
 223   BUS_ADRERR,                   /* Non-existant physical address.  */
 224 #  define BUS_ADRERR    BUS_ADRERR
 225   BUS_OBJERR,                   /* Object specific hardware error.  */
 226 #  define BUS_OBJERR    BUS_OBJERR
 227   BUS_MCEERR_AR,                /* Hardware memory error: action required.  */
 228 #  define BUS_MCEERR_AR BUS_MCEERR_AR
 229   BUS_MCEERR_AO                 /* Hardware memory error: action optional.  */
 230 #  define BUS_MCEERR_AO BUS_MCEERR_AO
 231 };
 232 # endif
 233
 234 # ifdef __USE_XOPEN_EXTENDED
 235 /* `si_code' values for SIGTRAP signal.  */
 236 enum
 237 {
 238   TRAP_BRKPT = 1,               /* Process breakpoint.  */
 239 #  define TRAP_BRKPT    TRAP_BRKPT
 240   TRAP_TRACE                    /* Process trace trap.  */
 241 #  define TRAP_TRACE    TRAP_TRACE
 242 };
 243 # endif
 244
 245 # if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
 246 /* `si_code' values for SIGCHLD signal.  */
 247 enum
 248 {
 249   CLD_EXITED = 1,               /* Child has exited.  */
 250 #  define CLD_EXITED    CLD_EXITED
 251   CLD_KILLED,                   /* Child was killed.  */
 252 #  define CLD_KILLED    CLD_KILLED
 253   CLD_DUMPED,                   /* Child terminated abnormally.  */
 254 #  define CLD_DUMPED    CLD_DUMPED
 255   CLD_TRAPPED,                  /* Traced child has trapped.  */
 256 #  define CLD_TRAPPED   CLD_TRAPPED
 257   CLD_STOPPED,                  /* Child has stopped.  */
 258 #  define CLD_STOPPED   CLD_STOPPED
 259   CLD_CONTINUED                 /* Stopped child has continued.  */
 260 #  define CLD_CONTINUED CLD_CONTINUED
 261 };
 262
 263 /* `si_code' values for SIGPOLL signal.  */
 264 enum
 265 {
 266   POLL_IN = 1,                  /* Data input available.  */
 267 #  define POLL_IN       POLL_IN
 268   POLL_OUT,                     /* Output buffers available.  */
 269 #  define POLL_OUT      POLL_OUT
 270   POLL_MSG,                     /* Input message available.   */
 271 #  define POLL_MSG      POLL_MSG
 272   POLL_ERR,                     /* I/O error.  */
 273 #  define POLL_ERR      POLL_ERR
 274   POLL_PRI,                     /* High priority input available.  */
 275 #  define POLL_PRI      POLL_PRI
 276   POLL_HUP                      /* Device disconnected.  */
 277 #  define POLL_HUP      POLL_HUP
 278 };
 279 # endif
 280
 281 # if defined __USE_GNU
 282 /* `si_code' values for SIGEMT signal.  */
 283 enum
 284 {
 285   EMT_TAGOVF = 1                /* Tag overflow.  */
 286 # define EMT_TAGOVF     EMT_TAGOVF
 287 };
 288 # endif
 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 # if __WORDSIZE == 64
 301 #  define __SIGEV_PAD_SIZE      ((__SIGEV_MAX_SIZE / sizeof (int)) - 4)
 302 # else
 303 #  define __SIGEV_PAD_SIZE      ((__SIGEV_MAX_SIZE / sizeof (int)) - 3)
 304 # endif
 305
 306 /* Forward declaration.  */
 307 # ifndef __have_pthread_attr_t
 308 typedef union pthread_attr_t pthread_attr_t;
 309 #  define __have_pthread_attr_t 1
 310 # endif
 311
 312 typedef struct sigevent
 313   {
 314     sigval_t sigev_value;
 315     int sigev_signo;
 316     int sigev_notify;
 317
 318     union
 319       {
 320         int _pad[__SIGEV_PAD_SIZE];
 321
 322         /* When SIGEV_SIGNAL and SIGEV_THREAD_ID set, LWP ID of the
 323            thread to receive the signal.  */
 324         __pid_t _tid;
 325
 326         struct
 327           {
 328             void (*_function) (sigval_t);       /* Function to start.  */
 329             pthread_attr_t *_attribute;         /* Thread attributes.  */
 330           } _sigev_thread;
 331       } _sigev_un;
 332   } sigevent_t;
 333
 334 /* POSIX names to access some of the members.  */
 335 # define sigev_notify_function   _sigev_un._sigev_thread._function
 336 # define sigev_notify_attributes _sigev_un._sigev_thread._attribute
 337
 338 /* `sigev_notify' values.  */
 339 enum
 340 {
 341   SIGEV_SIGNAL = 0,             /* Notify via signal.  */
 342 # define SIGEV_SIGNAL   SIGEV_SIGNAL
 343   SIGEV_NONE,                   /* Other notification: meaningless.  */
 344 # define SIGEV_NONE     SIGEV_NONE
 345   SIGEV_THREAD,                 /* Deliver via thread creation.  */
 346 # define SIGEV_THREAD   SIGEV_THREAD
 347
 348   SIGEV_THREAD_ID = 4           /* Send signal to specific thread.  */
 349 #define SIGEV_THREAD_ID SIGEV_THREAD_ID
 350 };
 351
 352 #endif  /* have _SIGNAL_H.  */