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 #if !defined _SIGNAL_H && !defined __need_siginfo_t
  21 # error "Never include this file directly.  Use <signal.h> instead"
  22 #endif
  23
  24 #if (!defined __have_siginfo_t \
  25      && (defined _SIGNAL_H || defined __need_siginfo_t))
  26 # define __have_siginfo_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
  35 typedef struct siginfo
  36   {
  37     int si_signo;               /* Signal number.  */
  38     int si_errno;               /* If non-zero, an errno value associated with
  39                                    this signal, as defined in <errno.h>.  */
  40     int si_code;                /* Signal code.  */
  41     __pid_t si_pid;             /* Sending process ID.  */
  42     __uid_t si_uid;             /* Real user ID of sending process.  */
  43     void *si_addr;              /* Address of faulting instruction.  */
  44     int si_status;              /* Exit value or signal.  */
  45     long int si_band;           /* Band event for SIGPOLL.  */
  46     union sigval si_value;      /* Signal value.  */
  47   } siginfo_t;
  48
  49
  50 /* Values for `si_code'.  Positive values are reserved for kernel-generated
  51    signals.  */
  52 enum
  53 {
  54   SI_ASYNCIO = -4,              /* Sent by AIO completion.  */
  55 # define SI_ASYNCIO     SI_ASYNCIO
  56   SI_MESGQ,                     /* Sent by real time mesq state change.  */
  57 # define SI_MESGQ       SI_MESGQ
  58   SI_TIMER,                     /* Sent by timer expiration.  */
  59 # define SI_TIMER       SI_TIMER
  60   SI_QUEUE,                     /* Sent by sigqueue.  */
  61 # define SI_QUEUE       SI_QUEUE
  62   SI_USER                       /* Sent by kill, sigsend, raise.  */
  63 # define SI_USER        SI_USER
  64 };
  65
  66
  67 /* `si_code' values for SIGILL signal.  */
  68 enum
  69 {
  70   ILL_ILLOPC = 1,               /* Illegal opcode.  */
  71 # define ILL_ILLOPC     ILL_ILLOPC
  72   ILL_ILL_OPN,                  /* Illegal operand.  */
  73 # define ILL_ILLOPN     ILL_ILLOPN
  74   ILL_ILLADR,                   /* Illegal addressing mode.  */
  75 # define ILL_ILLADR     ILL_ILLADR
  76   ILL_ILLTRP,                   /* Illegal trap. */
  77 # define ILL_ILLTRP     ILL_ILLTRP
  78   ILL_PRVOPC,                   /* Privileged opcode.  */
  79 # define ILL_PRVOPC     ILL_PRVOPC
  80   ILL_PRVREG,                   /* Privileged register.  */
  81 # define ILL_PRVREG     ILL_PRVREG
  82   ILL_COPROC,                   /* Coprocessor error.  */
  83 # define ILL_COPROC     ILL_COPROC
  84   ILL_BADSTK                    /* Internal stack error.  */
  85 # define ILL_BADSTK     ILL_BADSTK
  86 };
  87
  88 /* `si_code' values for SIGFPE signal.  */
  89 enum
  90 {
  91   FPE_INTDIV = 1,               /* Integer divide by zero.  */
  92 # define FPE_INTDIV     FPE_INTDIV
  93   FPE_INTOVF,                   /* Integer overflow.  */
  94 # define FPE_INTOVF     FPE_INTOVF
  95   FPE_FLTDIV,                   /* Floating point divide by zero.  */
  96 # define FPE_FLTDIV     FPE_FLTDIV
  97   FPE_FLTOVF,                   /* Floating point overflow.  */
  98 # define FPE_FLTOVF     FPE_FLTOVF
  99   FPE_FLTUND,                   /* Floating point underflow.  */
 100 # define FPE_FLTUND     FPE_FLTUND
 101   FPE_FLTRES,                   /* Floating point inexact result.  */
 102 # define FPE_FLTRES     FPE_FLTRES
 103   FPE_FLTINV,                   /* Floating point invalid operation.  */
 104 # define FPE_FLTINV     FPE_FLTINV
 105   FPE_FLTSUB                    /* Subscript out of range.  */
 106 # define FPE_FLTSUB     FPE_FLTSUB
 107 };
 108
 109 /* `si_code' values for SIGSEGV signal.  */
 110 enum
 111 {
 112   SEGV_MAPERR = 1,              /* Address not mapped to object.  */
 113 # define SEGV_MAPERR    SEGV_MAPERR
 114   SEGV_ACCERR                   /* Invalid permissions for mapped object.  */
 115 # define SEGV_ACCERR    SEGV_ACCERR
 116 };
 117
 118 /* `si_code' values for SIGBUS signal.  */
 119 enum
 120 {
 121   BUS_ADRALN = 1,               /* Invalid address alignment.  */
 122 # define BUS_ADRALN     BUS_ADRALN
 123   BUS_ADRERR,                   /* Non-existant physical address.  */
 124 # define BUS_ADRERR     BUS_ADRERR
 125   BUS_OBJERR                    /* Object specific hardware error.  */
 126 # define BUS_OBJERR     BUS_OBJERR
 127 };
 128
 129 /* `si_code' values for SIGTRAP signal.  */
 130 enum
 131 {
 132   TRAP_BRKPT = 1,               /* Process breakpoint.  */
 133 # define TRAP_BRKPT     TRAP_BRKPT
 134   TRAP_TRACE                    /* Process trace trap.  */
 135 # define TRAP_TRACE     TRAP_TRACE
 136 };
 137
 138 /* `si_code' values for SIGCHLD signal.  */
 139 enum
 140 {
 141   CLD_EXITED = 1,               /* Child has exited.  */
 142 # define CLD_EXITED     CLD_EXITED
 143   CLD_KILLED,                   /* Child was killed.  */
 144 # define CLD_KILLED     CLD_KILLED
 145   CLD_DUMPED,                   /* Child terminated abnormally.  */
 146 # define CLD_DUMPED     CLD_DUMPED
 147   CLD_TRAPPED,                  /* Traced child has trapped.  */
 148 # define CLD_TRAPPED    CLD_TRAPPED
 149   CLD_STOPPED,                  /* Child has stopped.  */
 150 # define CLD_STOPPED    CLD_STOPPED
 151   CLD_CONTINUED                 /* Stopped child has continued.  */
 152 # define CLD_CONTINUED  CLD_CONTINUED
 153 };
 154
 155 /* `si_code' values for SIGPOLL signal.  */
 156 enum
 157 {
 158   POLL_IN = 1,                  /* Data input available.  */
 159 # define POLL_IN        POLL_IN
 160   POLL_OUT,                     /* Output buffers available.  */
 161 # define POLL_OUT       POLL_OUT
 162   POLL_MSG,                     /* Input message available.   */
 163 # define POLL_MSG       POLL_MSG
 164   POLL_ERR,                     /* I/O error.  */
 165 # define POLL_ERR       POLL_ERR
 166   POLL_PRI,                     /* High priority input available.  */
 167 # define POLL_PRI       POLL_PRI
 168   POLL_HUP                      /* Device disconnected.  */
 169 # define POLL_HUP       POLL_HUP
 170 };
 171
 172 # undef __need_siginfo_t
 173 #endif  /* !have siginfo_t && (have _SIGNAL_H || need siginfo_t).  */
 174
 175
 176 #if defined _SIGNAL_H && !defined __have_sigevent_t
 177 # define __have_sigevent_t      1
 178
 179 /* Structure to transport application-defined values with signals.  */
 180 # define SIGEV_MAX_SIZE 64
 181 # define SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE / sizeof (int)) - 3)
 182
 183 typedef struct sigevent
 184   {
 185     sigval_t sigev_value;
 186     int sigev_signo;
 187     int sigev_notify;
 188     void (*sigev_notify_function) __P ((sigval_t)); /* Function to start.  */
 189     void *sigev_notify_attributes;                  /* Really pthread_attr_t.*/
 190   } sigevent_t;
 191
 192 /* `sigev_notify' values.  */
 193 enum
 194 {
 195   SIGEV_SIGNAL = 0,             /* Notify via signal.  */
 196 # define SIGEV_SIGNAL   SIGEV_SIGNAL
 197   SIGEV_NONE,                   /* Other notification: meaningless.  */
 198 # define SIGEV_NONE     SIGEV_NONE
 199   SIGEV_THREAD                  /* Deliver via thread creation.  */
 200 # define SIGEV_THREAD   SIGEV_THREAD
 201 };
 202
 203 #endif  /* have _SIGNAL_H.  */