bits/siginfo.h

   1 /* siginfo_t, sigevent and constants.  Stub version.
   2    Copyright (C) 1997 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 Library General Public License as
   7    published by the Free Software Foundation; either version 2 of the
   8    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    Library General Public License for more details.
  14
  15    You should have received a copy of the GNU Library General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA.  */
  19
  20 #ifndef _SIGNAL_H
  21 # error "Never include this file directly.  Use <signal.h> instead"
  22 #endif
  23
  24 typedef struct siginfo
  25   {
  26     int si_signo;               /* Signal number.  */
  27     int si_errno;               /* If non-zero, an errno value associated with
  28                                    this signal, as defined in <errno.h>.  */
  29     int si_code;                /* Signal code.  */
  30     __pid_t si_pid;             /* Sending process ID.  */
  31     __uid_t si_uid;             /* Real user ID of sending process.  */
  32     void *si_addr;              /* Address of faulting instruction.  */
  33     int si_status;              /* Exit value or signal.  */
  34     long int si_band;           /* Band event for SIGPOLL.  */
  35     union sigval si_value;      /* Signal value.  */
  36   } siginfo_t;
  37
  38
  39 /* Values for `si_code'.  Positive values are reserved for kernel-generated
  40    signals.  */
  41 enum
  42 {
  43   SI_ASYNCIO = -4,              /* Sent by AIO completion.  */
  44 #define SI_ASYNCIO      SI_ASYNCIO
  45   SI_MESGQ,                     /* Sent by real time mesq state change.  */
  46 #define SI_MESGQ        SI_MESGQ
  47   SI_TIMER,                     /* Sent by timer expiration.  */
  48 #define SI_TIMER        SI_TIMER
  49   SI_QUEUE,                     /* Sent by sigqueue.  */
  50 #define SI_QUEUE        SI_QUEUE
  51   SI_USER                       /* Sent by kill, sigsend, raise.  */
  52 #define SI_USER         SI_USER
  53 };
  54
  55
  56 /* `si_code' values for SIGILL signal.  */
  57 enum
  58 {
  59   ILL_ILLOPC = 1,               /* Illegal opcode.  */
  60 #define ILL_ILLOPC      ILL_ILLOPC
  61   ILL_ILL_OPN,                  /* Illegal operand.  */
  62 #define ILL_ILLOPN      ILL_ILLOPN
  63   ILL_ILLADR,                   /* Illegal addressing mode.  */
  64 #define ILL_ILLADR      ILL_ILLADR
  65   ILL_ILLTRP,                   /* Illegal trap. */
  66 #define ILL_ILLTRP      ILL_ILLTRP
  67   ILL_PRVOPC,                   /* Privileged opcode.  */
  68 #define ILL_PRVOPC      ILL_PRVOPC
  69   ILL_PRVREG,                   /* Privileged register.  */
  70 #define ILL_PRVREG      ILL_PRVREG
  71   ILL_COPROC,                   /* Coprocessor error.  */
  72 #define ILL_COPROC      ILL_COPROC
  73   ILL_BADSTK                    /* Internal stack error.  */
  74 #define ILL_BADSTK      ILL_BADSTK
  75 };
  76
  77 /* `si_code' values for SIGFPE signal.  */
  78 enum
  79 {
  80   FPE_INTDIV = 1,               /* Integer divide by zero.  */
  81 #define FPE_INTDIV      FPE_INTDIV
  82   FPE_INTOVF,                   /* Integer overflow.  */
  83 #define FPE_INTOVF      FPE_INTOVF
  84   FPE_FLTDIV,                   /* Floating point divide by zero.  */
  85 #define FPE_FLTDIV      FPE_FLTDIV
  86   FPE_FLTOVF,                   /* Floating point overflow.  */
  87 #define FPE_FLTOVF      FPE_FLTOVF
  88   FPE_FLTUND,                   /* Floating point underflow.  */
  89 #define FPE_FLTUND      FPE_FLTUND
  90   FPE_FLTRES,                   /* Floating point inexact result.  */
  91 #define FPE_FLTRES      FPE_FLTRES
  92   FPE_FLTINV,                   /* Floating point invalid operation.  */
  93 #define FPE_FLTINV      FPE_FLTINV
  94   FPE_FLTSUB                    /* Subscript out of range.  */
  95 #define FPE_FLTSUB      FPE_FLTSUB
  96 };
  97
  98 /* `si_code' values for SIGSEGV signal.  */
  99 enum
 100 {
 101   SEGV_MAPERR = 1,              /* Address not mapped to object.  */
 102 #define SEGV_MAPERR     SEGV_MAPERR
 103   SEGV_ACCERR                   /* Invalid permissions for mapped object.  */
 104 #define SEGV_ACCERR     SEGV_ACCERR
 105 };
 106
 107 /* `si_code' values for SIGBUS signal.  */
 108 enum
 109 {
 110   BUS_ADRALN = 1,               /* Invalid address alignment.  */
 111 #define BUS_ADRALN      BUS_ADRALN
 112   BUS_ADRERR,                   /* Non-existant physical address.  */
 113 #define BUS_ADRERR      BUS_ADRERR
 114   BUS_OBJERR                    /* Object specific hardware error.  */
 115 #define BUS_OBJERR      BUS_OBJERR
 116 };
 117
 118 /* `si_code' values for SIGTRAP signal.  */
 119 enum
 120 {
 121   TRAP_BRKPT = 1,               /* Process breakpoint.  */
 122 #define TRAP_BRKPT      TRAP_BRKPT
 123   TRAP_TRACE                    /* Process trace trap.  */
 124 #define TRAP_TRACE      TRAP_TRACE
 125 };
 126
 127 /* `si_code' values for SIGCHLD signal.  */
 128 enum
 129 {
 130   CLD_EXITED = 1,               /* Child has exited.  */
 131 #define CLD_EXITED      CLD_EXITED
 132   CLD_KILLED,                   /* Child was killed.  */
 133 #define CLD_KILLED      CLD_KILLED
 134   CLD_DUMPED,                   /* Child terminated abnormally.  */
 135 #define CLD_DUMPED      CLD_DUMPED
 136   CLD_TRAPPED,                  /* Traced child has trapped.  */
 137 #define CLD_TRAPPED     CLD_TRAPPED
 138   CLD_STOPPED,                  /* Child has stopped.  */
 139 #define CLD_STOPPED     CLD_STOPPED
 140   CLD_CONTINUED                 /* Stopped child has continued.  */
 141 #define CLD_CONTINUED   CLD_CONTINUED
 142 };
 143
 144 /* `si_code' values for SIGPOLL signal.  */
 145 enum
 146 {
 147   POLL_IN = 1,                  /* Data input available.  */
 148 #define POLL_IN         POLL_IN
 149   POLL_OUT,                     /* Output buffers available.  */
 150 #define POLL_OUT        POLL_OUT
 151   POLL_MSG,                     /* Input message available.   */
 152 #define POLL_MSG        POLL_MSG
 153   POLL_ERR,                     /* I/O error.  */
 154 #define POLL_ERR        POLL_ERR
 155   POLL_PRI,                     /* High priority input available.  */
 156 #define POLL_PRI        POLL_PRI
 157   POLL_HUP                      /* Device disconnected.  */
 158 #define POLL_HUP        POLL_HUP
 159 };
 160
 161
 162 /* Structure to transport application-defined values with signals.  */
 163 #define SIGEV_MAX_SIZE  64
 164 #define SIGEV_PAD_SIZE  ((SIGEV_MAX_SIZE / sizeof (int)) - 3)
 165
 166 typedef struct sigevent
 167   {
 168     sigval_t sigev_value;
 169     int sigev_signo;
 170     int sigev_notify;
 171     void (*sigev_notify_function) __P ((sigval_t)); /* Function to start.  */
 172     void *sigev_notify_attributes;                  /* Really pthread_attr_t.*/
 173   } sigevent_t;
 174
 175 /* `sigev_notify' values.  */
 176 enum
 177 {
 178   SIGEV_SIGNAL = 0,             /* Notify via signal.  */
 179 #define SIGEV_SIGNAL    SIGEV_SIGNAL
 180   SIGEV_NONE,                   /* Other notification: meaningless.  */
 181 #define SIGEV_NONE      SIGEV_NONE
 182   SIGEV_THREAD                  /* Deliver via thread creation.  */
 183 #define SIGEV_THREAD    SIGEV_THREAD
 184 };