libc/sysdeps/linux/sparc/bits/siginfo.h

   1 /* siginfo_t, sigevent and constants.  Linux/SPARC version.
   2    Copyright (C) 1997-2002, 2003 Free Software Foundation, Inc.
   3
   4    The GNU C Library is free software; you can redistribute it and/or
   5    modify it under the terms of the GNU Lesser General Public
   6    License as published by the Free Software Foundation; either
   7    version 2.1 of the License, or (at your option) any later version.
   8
   9    The GNU C Library is distributed in the hope that it will be useful,
  10    but WITHOUT ANY WARRANTY; without even the implied warranty of
  11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12    Lesser General Public License for more details.
  13
  14    You should have received a copy of the GNU Lesser General Public
  15    License along with the GNU C Library; if not, see
  16    <http://www.gnu.org/licenses/>.  */
  17
  18 #if !defined _SIGNAL_H && !defined __need_siginfo_t \
  19     && !defined __need_sigevent_t
  20 # error "Never include this file directly.  Use <signal.h> instead"
  21 #endif
  22
  23 #if (!defined __have_sigval_t \
  24      && (defined _SIGNAL_H || defined __need_siginfo_t \
  25          || defined __need_sigevent_t))
  26 # define __have_sigval_t        1
  27
  28 /* Type for data associated with a signal.  */
  29 typedef union sigval
  30   {
  31     int sival_int;
  32     void *sival_ptr;
  33   } sigval_t;
  34 #endif
  35
  36 #if (!defined __have_siginfo_t \
  37      && (defined _SIGNAL_H || defined __need_siginfo_t))
  38 # define __have_siginfo_t       1
  39
  40 # define __SI_MAX_SIZE     128
  41 # define __SI_PAD_SIZE     ((__SI_MAX_SIZE / sizeof (int)) - 3)
  42
  43 typedef struct siginfo
  44   {
  45     int si_signo;               /* Signal number.  */
  46     int si_errno;               /* If non-zero, an errno value associated with
  47                                    this signal, as defined in <errno.h>.  */
  48     int si_code;                /* Signal code.  */
  49
  50     union
  51       {
  52         int _pad[__SI_PAD_SIZE];
  53
  54          /* kill().  */
  55         struct
  56           {
  57             __pid_t si_pid;     /* Sending process ID.  */
  58             __uid_t si_uid;     /* Real user ID of sending process.  */
  59           } _kill;
  60
  61         /* POSIX.1b timers.  */
  62         struct
  63           {
  64             int si_tid;         /* Timer ID.  */
  65             int si_overrun;     /* Overrun count.  */
  66             sigval_t si_sigval; /* Signal value.  */
  67           } _timer;
  68
  69         /* POSIX.1b signals.  */
  70         struct
  71           {
  72             __pid_t si_pid;     /* Sending process ID.  */
  73             __uid_t si_uid;     /* Real user ID of sending process.  */
  74             sigval_t si_sigval; /* Signal value.  */
  75           } _rt;
  76
  77         /* SIGCHLD.  */
  78         struct
  79           {
  80             __pid_t si_pid;     /* Which child.  */
  81             __uid_t si_uid;     /* Real user ID of sending process.  */
  82             int si_status;      /* Exit value or signal.  */
  83             __clock_t si_utime;
  84             __clock_t si_stime;
  85           } _sigchld;
  86
  87         /* SIGILL, SIGFPE, SIGSEGV, SIGBUS.  */
  88         struct
  89           {
  90             void *si_addr;      /* Faulting insn/memory ref.  */
  91             int si_trapno;
  92           } _sigfault;
  93
  94         /* SIGPOLL.  */
  95         struct
  96           {
  97             int si_band;        /* Band event for SIGPOLL.  */
  98             int si_fd;
  99           } _sigpoll;
 100
 101         /* SIGSYS.  */
 102         struct
 103           {
 104             void *_call_addr;   /* Calling user insn.  */
 105             int _syscall;       /* Triggering system call number.  */
 106             unsigned int _arch; /* AUDIT_ARCH_* of syscall.  */
 107           } _sigsys;
 108       } _sifields;
 109   } siginfo_t;
 110
 111
 112 /* X/Open requires some more fields with fixed names.  */
 113 # define si_pid         _sifields._kill.si_pid
 114 # define si_uid         _sifields._kill.si_uid
 115 # define si_timerid     _sifields._timer.si_tid
 116 # define si_overrun     _sifields._timer.si_overrun
 117 # define si_status      _sifields._sigchld.si_status
 118 # define si_utime       _sifields._sigchld.si_utime
 119 # define si_stime       _sifields._sigchld.si_stime
 120 # define si_value       _sifields._rt.si_sigval
 121 # define si_int         _sifields._rt.si_sigval.sival_int
 122 # define si_ptr         _sifields._rt.si_sigval.sival_ptr
 123 # define si_addr        _sifields._sigfault.si_addr
 124 # define si_trapno      _sifields._sigfault.si_trapno
 125 # define si_band        _sifields._sigpoll.si_band
 126 # define si_fd          _sifields._sigpoll.si_fd
 127 # define si_call_addr   _sifields._sigsys._call_addr
 128 # define si_syscall     _sifields._sigsys._syscall
 129 # define si_arch        _sifields._sigsys._arch
 130
 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, raise.  */
 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 };
 177
 178 /* `si_code' values for SIGFPE signal.  */
 179 enum
 180 {
 181   FPE_INTDIV = 1,               /* Integer divide by zero.  */
 182 # define FPE_INTDIV     FPE_INTDIV
 183   FPE_INTOVF,                   /* Integer overflow.  */
 184 # define FPE_INTOVF     FPE_INTOVF
 185   FPE_FLTDIV,                   /* Floating point divide by zero.  */
 186 # define FPE_FLTDIV     FPE_FLTDIV
 187   FPE_FLTOVF,                   /* Floating point overflow.  */
 188 # define FPE_FLTOVF     FPE_FLTOVF
 189   FPE_FLTUND,                   /* Floating point underflow.  */
 190 # define FPE_FLTUND     FPE_FLTUND
 191   FPE_FLTRES,                   /* Floating point inexact result.  */
 192 # define FPE_FLTRES     FPE_FLTRES
 193   FPE_FLTINV,                   /* Floating point invalid operation.  */
 194 # define FPE_FLTINV     FPE_FLTINV
 195   FPE_FLTSUB                    /* Subscript out of range.  */
 196 # define FPE_FLTSUB     FPE_FLTSUB
 197 };
 198
 199 /* `si_code' values for SIGSEGV signal.  */
 200 enum
 201 {
 202   SEGV_MAPERR = 1,              /* Address not mapped to object.  */
 203 # define SEGV_MAPERR    SEGV_MAPERR
 204   SEGV_ACCERR                   /* Invalid permissions for mapped object.  */
 205 # define SEGV_ACCERR    SEGV_ACCERR
 206 };
 207
 208 /* `si_code' values for SIGBUS signal.  */
 209 enum
 210 {
 211   BUS_ADRALN = 1,               /* Invalid address alignment.  */
 212 # define BUS_ADRALN     BUS_ADRALN
 213   BUS_ADRERR,                   /* Non-existant physical address.  */
 214 # define BUS_ADRERR     BUS_ADRERR
 215   BUS_OBJERR                    /* Object specific hardware error.  */
 216 # define BUS_OBJERR     BUS_OBJERR
 217 };
 218
 219 /* `si_code' values for SIGTRAP signal.  */
 220 enum
 221 {
 222   TRAP_BRKPT = 1,               /* Process breakpoint.  */
 223 # define TRAP_BRKPT     TRAP_BRKPT
 224   TRAP_TRACE                    /* Process trace trap.  */
 225 # define TRAP_TRACE     TRAP_TRACE
 226 };
 227
 228 /* `si_code' values for SIGCHLD signal.  */
 229 enum
 230 {
 231   CLD_EXITED = 1,               /* Child has exited.  */
 232 # define CLD_EXITED     CLD_EXITED
 233   CLD_KILLED,                   /* Child was killed.  */
 234 # define CLD_KILLED     CLD_KILLED
 235   CLD_DUMPED,                   /* Child terminated abnormally.  */
 236 # define CLD_DUMPED     CLD_DUMPED
 237   CLD_TRAPPED,                  /* Traced child has trapped.  */
 238 # define CLD_TRAPPED    CLD_TRAPPED
 239   CLD_STOPPED,                  /* Child has stopped.  */
 240 # define CLD_STOPPED    CLD_STOPPED
 241   CLD_CONTINUED                 /* Stopped child has continued.  */
 242 # define CLD_CONTINUED  CLD_CONTINUED
 243 };
 244
 245 /* `si_code' values for SIGPOLL signal.  */
 246 enum
 247 {
 248   POLL_IN = 1,                  /* Data input available.  */
 249 # define POLL_IN        POLL_IN
 250   POLL_OUT,                     /* Output buffers available.  */
 251 # define POLL_OUT       POLL_OUT
 252   POLL_MSG,                     /* Input message available.   */
 253 # define POLL_MSG       POLL_MSG
 254   POLL_ERR,                     /* I/O error.  */
 255 # define POLL_ERR       POLL_ERR
 256   POLL_PRI,                     /* High priority input available.  */
 257 # define POLL_PRI       POLL_PRI
 258   POLL_HUP                      /* Device disconnected.  */
 259 # define POLL_HUP       POLL_HUP
 260 };
 261
 262 /* `si_code' values for SIGEMT signal.  */
 263 enum
 264 {
 265   EMT_TAGOVF = 1                /* Tag overflow.  */
 266 # define EMT_TAGOVF     EMT_TAGOVF
 267 };
 268
 269 # undef __need_siginfo_t
 270 #endif  /* !have siginfo_t && (have _SIGNAL_H || need siginfo_t).  */
 271
 272
 273 #if (defined _SIGNAL_H || defined __need_sigevent_t) \
 274     && !defined __have_sigevent_t
 275 # define __have_sigevent_t      1
 276
 277 /* Structure to transport application-defined values with signals.  */
 278 # define __SIGEV_MAX_SIZE       64
 279 # define __SIGEV_PAD_SIZE       ((__SIGEV_MAX_SIZE / sizeof (int)) - 3)
 280
 281 typedef struct sigevent
 282   {
 283     sigval_t sigev_value;
 284     int sigev_signo;
 285     int sigev_notify;
 286
 287     union
 288       {
 289         int _pad[__SIGEV_PAD_SIZE];
 290
 291         /* When SIGEV_SIGNAL and SIGEV_THREAD_ID set, LWP ID of the
 292            thread to receive the signal.  */
 293         __pid_t _tid;
 294
 295         struct
 296           {
 297             void (*_function) (sigval_t);       /* Function to start.  */
 298             void *_attribute;                   /* Really pthread_attr_t.  */
 299           } _sigev_thread;
 300       } _sigev_un;
 301   } sigevent_t;
 302
 303 /* POSIX names to access some of the members.  */
 304 # define sigev_notify_function   _sigev_un._sigev_thread._function
 305 # define sigev_notify_attributes _sigev_un._sigev_thread._attribute
 306
 307 /* `sigev_notify' values.  */
 308 enum
 309 {
 310   SIGEV_SIGNAL = 0,             /* Notify via signal.  */
 311 # define SIGEV_SIGNAL   SIGEV_SIGNAL
 312   SIGEV_NONE,                   /* Other notification: meaningless.  */
 313 # define SIGEV_NONE     SIGEV_NONE
 314   SIGEV_THREAD,                 /* Deliver via thread creation.  */
 315 # define SIGEV_THREAD   SIGEV_THREAD
 316
 317   SIGEV_THREAD_ID = 4           /* Send signal to specific thread.  */
 318 #define SIGEV_THREAD_ID SIGEV_THREAD_ID
 319 };
 320
 321 #endif  /* have _SIGNAL_H.  */