bits/siginfo.h

   1 /* siginfo_t, sigevent and constants.  Stub version.
   2    Copyright (C) 1997-2016 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 #if (!defined __have_sigval_t \
  25      && (defined _SIGNAL_H || defined __need_siginfo_t \
  26          || defined __need_sigevent_t))
  27 # define __have_sigval_t 1
  28
  29 /* Type for data associated with a signal.  */
  30 typedef union sigval
  31   {
  32     int sival_int;
  33     void *sival_ptr;
  34   } sigval_t;
  35 #endif
  36
  37 #if (!defined __have_siginfo_t \
  38      && (defined _SIGNAL_H || defined __need_siginfo_t))
  39 # define __have_siginfo_t       1
  40
  41 typedef struct siginfo
  42   {
  43     int si_signo;               /* Signal number.  */
  44     int si_errno;               /* If non-zero, an errno value associated with
  45                                    this signal, as defined in <errno.h>.  */
  46     int si_code;                /* Signal code.  */
  47     __pid_t si_pid;             /* Sending process ID.  */
  48     __uid_t si_uid;             /* Real user ID of sending process.  */
  49     void *si_addr;              /* Address of faulting instruction.  */
  50     int si_status;              /* Exit value or signal.  */
  51     long int si_band;           /* Band event for SIGPOLL.  */
  52     union sigval si_value;      /* Signal value.  */
  53   } siginfo_t;
  54
  55
  56 /* Values for `si_code'.  Positive values are reserved for kernel-generated
  57    signals.  */
  58 enum
  59 {
  60   SI_ASYNCIO = -4,              /* Sent by AIO completion.  */
  61 # define SI_ASYNCIO     SI_ASYNCIO
  62   SI_MESGQ,                     /* Sent by real time mesq state change.  */
  63 # define SI_MESGQ       SI_MESGQ
  64   SI_TIMER,                     /* Sent by timer expiration.  */
  65 # define SI_TIMER       SI_TIMER
  66   SI_QUEUE,                     /* Sent by sigqueue.  */
  67 # define SI_QUEUE       SI_QUEUE
  68   SI_USER                       /* Sent by kill, sigsend, raise.  */
  69 # define SI_USER        SI_USER
  70 };
  71
  72
  73 # if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
  74 /* `si_code' values for SIGILL signal.  */
  75 enum
  76 {
  77   ILL_ILLOPC = 1,               /* Illegal opcode.  */
  78 #  define ILL_ILLOPC    ILL_ILLOPC
  79   ILL_ILLOPN,                   /* 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 # endif
 136
 137 # ifdef __USE_XOPEN_EXTENDED
 138 /* `si_code' values for SIGTRAP signal.  */
 139 enum
 140 {
 141   TRAP_BRKPT = 1,               /* Process breakpoint.  */
 142 #  define TRAP_BRKPT    TRAP_BRKPT
 143   TRAP_TRACE                    /* Process trace trap.  */
 144 #  define TRAP_TRACE    TRAP_TRACE
 145 };
 146 # endif
 147
 148 # if defined __USE_XOPEN_EXTENDED || defined __USE_XOPEN2K8
 149 /* `si_code' values for SIGCHLD signal.  */
 150 enum
 151 {
 152   CLD_EXITED = 1,               /* Child has exited.  */
 153 #  define CLD_EXITED    CLD_EXITED
 154   CLD_KILLED,                   /* Child was killed.  */
 155 #  define CLD_KILLED    CLD_KILLED
 156   CLD_DUMPED,                   /* Child terminated abnormally.  */
 157 #  define CLD_DUMPED    CLD_DUMPED
 158   CLD_TRAPPED,                  /* Traced child has trapped.  */
 159 #  define CLD_TRAPPED   CLD_TRAPPED
 160   CLD_STOPPED,                  /* Child has stopped.  */
 161 #  define CLD_STOPPED   CLD_STOPPED
 162   CLD_CONTINUED                 /* Stopped child has continued.  */
 163 #  define CLD_CONTINUED CLD_CONTINUED
 164 };
 165
 166 /* `si_code' values for SIGPOLL signal.  */
 167 enum
 168 {
 169   POLL_IN = 1,                  /* Data input available.  */
 170 #  define POLL_IN       POLL_IN
 171   POLL_OUT,                     /* Output buffers available.  */
 172 #  define POLL_OUT      POLL_OUT
 173   POLL_MSG,                     /* Input message available.   */
 174 #  define POLL_MSG      POLL_MSG
 175   POLL_ERR,                     /* I/O error.  */
 176 #  define POLL_ERR      POLL_ERR
 177   POLL_PRI,                     /* High priority input available.  */
 178 #  define POLL_PRI      POLL_PRI
 179   POLL_HUP                      /* Device disconnected.  */
 180 #  define POLL_HUP      POLL_HUP
 181 };
 182 # endif
 183
 184 # undef __need_siginfo_t
 185 #endif  /* !have siginfo_t && (have _SIGNAL_H || need siginfo_t).  */
 186
 187
 188 #if (defined _SIGNAL_H || defined __need_sigevent_t) \
 189     && !defined __have_sigevent_t
 190 # define __have_sigevent_t      1
 191
 192 /* Structure to transport application-defined values with signals.  */
 193 # define SIGEV_MAX_SIZE 64
 194 # define SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE / sizeof (int)) - 3)
 195
 196 typedef struct sigevent
 197   {
 198     sigval_t sigev_value;
 199     int sigev_signo;
 200     int sigev_notify;
 201     void (*sigev_notify_function) (sigval_t);       /* Function to start.  */
 202     void *sigev_notify_attributes;                  /* Really pthread_attr_t.*/
 203   } sigevent_t;
 204
 205 /* `sigev_notify' values.  */
 206 enum
 207 {
 208   SIGEV_SIGNAL = 0,             /* Notify via signal.  */
 209 # define SIGEV_SIGNAL   SIGEV_SIGNAL
 210   SIGEV_NONE,                   /* Other notification: meaningless.  */
 211 # define SIGEV_NONE     SIGEV_NONE
 212   SIGEV_THREAD                  /* Deliver via thread creation.  */
 213 # define SIGEV_THREAD   SIGEV_THREAD
 214 };
 215
 216 #endif  /* have _SIGNAL_H.  */