bits/siginfo.h

   1 /* siginfo_t, sigevent and constants.  Stub version.
   2    Copyright (C) 1997, 1998, 2000, 2001 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     && !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 typedef struct siginfo
  43   {
  44     int si_signo;               /* Signal number.  */
  45     int si_errno;               /* If non-zero, an errno value associated with
  46                                    this signal, as defined in <errno.h>.  */
  47     int si_code;                /* Signal code.  */
  48     __pid_t si_pid;             /* Sending process ID.  */
  49     __uid_t si_uid;             /* Real user ID of sending process.  */
  50     void *si_addr;              /* Address of faulting instruction.  */
  51     int si_status;              /* Exit value or signal.  */
  52     long int si_band;           /* Band event for SIGPOLL.  */
  53     union sigval si_value;      /* Signal value.  */
  54   } siginfo_t;
  55
  56
  57 /* Values for `si_code'.  Positive values are reserved for kernel-generated
  58    signals.  */
  59 enum
  60 {
  61   SI_ASYNCIO = -4,              /* Sent by AIO completion.  */
  62 # define SI_ASYNCIO     SI_ASYNCIO
  63   SI_MESGQ,                     /* Sent by real time mesq state change.  */
  64 # define SI_MESGQ       SI_MESGQ
  65   SI_TIMER,                     /* Sent by timer expiration.  */
  66 # define SI_TIMER       SI_TIMER
  67   SI_QUEUE,                     /* Sent by sigqueue.  */
  68 # define SI_QUEUE       SI_QUEUE
  69   SI_USER                       /* Sent by kill, sigsend, raise.  */
  70 # define SI_USER        SI_USER
  71 };
  72
  73
  74 /* `si_code' values for SIGILL signal.  */
  75 enum
  76 {
  77   ILL_ILLOPC = 1,               /* Illegal opcode.  */
  78 # define ILL_ILLOPC     ILL_ILLOPC
  79   ILL_ILL_OPN,                  /* Illegal operand.  */
  80 # define ILL_ILLOPN     ILL_ILLOPN
  81   ILL_ILLADR,                   /* Illegal addressing mode.  */
  82 # define ILL_ILLADR     ILL_ILLADR
  83   ILL_ILLTRP,                   /* Illegal trap. */
  84 # define ILL_ILLTRP     ILL_ILLTRP
  85   ILL_PRVOPC,                   /* Privileged opcode.  */
  86 # define ILL_PRVOPC     ILL_PRVOPC
  87   ILL_PRVREG,                   /* Privileged register.  */
  88 # define ILL_PRVREG     ILL_PRVREG
  89   ILL_COPROC,                   /* Coprocessor error.  */
  90 # define ILL_COPROC     ILL_COPROC
  91   ILL_BADSTK                    /* Internal stack error.  */
  92 # define ILL_BADSTK     ILL_BADSTK
  93 };
  94
  95 /* `si_code' values for SIGFPE signal.  */
  96 enum
  97 {
  98   FPE_INTDIV = 1,               /* Integer divide by zero.  */
  99 # define FPE_INTDIV     FPE_INTDIV
 100   FPE_INTOVF,                   /* Integer overflow.  */
 101 # define FPE_INTOVF     FPE_INTOVF
 102   FPE_FLTDIV,                   /* Floating point divide by zero.  */
 103 # define FPE_FLTDIV     FPE_FLTDIV
 104   FPE_FLTOVF,                   /* Floating point overflow.  */
 105 # define FPE_FLTOVF     FPE_FLTOVF
 106   FPE_FLTUND,                   /* Floating point underflow.  */
 107 # define FPE_FLTUND     FPE_FLTUND
 108   FPE_FLTRES,                   /* Floating point inexact result.  */
 109 # define FPE_FLTRES     FPE_FLTRES
 110   FPE_FLTINV,                   /* Floating point invalid operation.  */
 111 # define FPE_FLTINV     FPE_FLTINV
 112   FPE_FLTSUB                    /* Subscript out of range.  */
 113 # define FPE_FLTSUB     FPE_FLTSUB
 114 };
 115
 116 /* `si_code' values for SIGSEGV signal.  */
 117 enum
 118 {
 119   SEGV_MAPERR = 1,              /* Address not mapped to object.  */
 120 # define SEGV_MAPERR    SEGV_MAPERR
 121   SEGV_ACCERR                   /* Invalid permissions for mapped object.  */
 122 # define SEGV_ACCERR    SEGV_ACCERR
 123 };
 124
 125 /* `si_code' values for SIGBUS signal.  */
 126 enum
 127 {
 128   BUS_ADRALN = 1,               /* Invalid address alignment.  */
 129 # define BUS_ADRALN     BUS_ADRALN
 130   BUS_ADRERR,                   /* Non-existant physical address.  */
 131 # define BUS_ADRERR     BUS_ADRERR
 132   BUS_OBJERR                    /* Object specific hardware error.  */
 133 # define BUS_OBJERR     BUS_OBJERR
 134 };
 135
 136 /* `si_code' values for SIGTRAP signal.  */
 137 enum
 138 {
 139   TRAP_BRKPT = 1,               /* Process breakpoint.  */
 140 # define TRAP_BRKPT     TRAP_BRKPT
 141   TRAP_TRACE                    /* Process trace trap.  */
 142 # define TRAP_TRACE     TRAP_TRACE
 143 };
 144
 145 /* `si_code' values for SIGCHLD signal.  */
 146 enum
 147 {
 148   CLD_EXITED = 1,               /* Child has exited.  */
 149 # define CLD_EXITED     CLD_EXITED
 150   CLD_KILLED,                   /* Child was killed.  */
 151 # define CLD_KILLED     CLD_KILLED
 152   CLD_DUMPED,                   /* Child terminated abnormally.  */
 153 # define CLD_DUMPED     CLD_DUMPED
 154   CLD_TRAPPED,                  /* Traced child has trapped.  */
 155 # define CLD_TRAPPED    CLD_TRAPPED
 156   CLD_STOPPED,                  /* Child has stopped.  */
 157 # define CLD_STOPPED    CLD_STOPPED
 158   CLD_CONTINUED                 /* Stopped child has continued.  */
 159 # define CLD_CONTINUED  CLD_CONTINUED
 160 };
 161
 162 /* `si_code' values for SIGPOLL signal.  */
 163 enum
 164 {
 165   POLL_IN = 1,                  /* Data input available.  */
 166 # define POLL_IN        POLL_IN
 167   POLL_OUT,                     /* Output buffers available.  */
 168 # define POLL_OUT       POLL_OUT
 169   POLL_MSG,                     /* Input message available.   */
 170 # define POLL_MSG       POLL_MSG
 171   POLL_ERR,                     /* I/O error.  */
 172 # define POLL_ERR       POLL_ERR
 173   POLL_PRI,                     /* High priority input available.  */
 174 # define POLL_PRI       POLL_PRI
 175   POLL_HUP                      /* Device disconnected.  */
 176 # define POLL_HUP       POLL_HUP
 177 };
 178
 179 # undef __need_siginfo_t
 180 #endif  /* !have siginfo_t && (have _SIGNAL_H || need siginfo_t).  */
 181
 182
 183 #if (defined _SIGNAL_H || defined __need_sigevent_t) \
 184     && !defined __have_sigevent_t
 185 # define __have_sigevent_t      1
 186
 187 /* Structure to transport application-defined values with signals.  */
 188 # define SIGEV_MAX_SIZE 64
 189 # define SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE / sizeof (int)) - 3)
 190
 191 typedef struct sigevent
 192   {
 193     sigval_t sigev_value;
 194     int sigev_signo;
 195     int sigev_notify;
 196     void (*sigev_notify_function) (sigval_t);       /* Function to start.  */
 197     void *sigev_notify_attributes;                  /* Really pthread_attr_t.*/
 198   } sigevent_t;
 199
 200 /* `sigev_notify' values.  */
 201 enum
 202 {
 203   SIGEV_SIGNAL = 0,             /* Notify via signal.  */
 204 # define SIGEV_SIGNAL   SIGEV_SIGNAL
 205   SIGEV_NONE,                   /* Other notification: meaningless.  */
 206 # define SIGEV_NONE     SIGEV_NONE
 207   SIGEV_THREAD                  /* Deliver via thread creation.  */
 208 # define SIGEV_THREAD   SIGEV_THREAD
 209 };
 210
 211 #endif  /* have _SIGNAL_H.  */