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siginfo.h

/* siginfo_t, sigevent and constants.  Stub version.
   Copyright (C) 1997, 1998, 2000, 2001 Free Software Foundation, Inc.
   This file is part of the GNU C Library.

   The GNU C Library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.

   The GNU C Library is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with the GNU C Library; if not, write to the Free
   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   02111-1307 USA.  */

#if !defined _SIGNAL_H && !defined __need_siginfo_t \
    && !defined __need_sigevent_t
# error "Never include this file directly.  Use <signal.h> instead"
#endif

#if (!defined __have_sigval_t \
     && (defined _SIGNAL_H || defined __need_siginfo_t \
       || defined __need_sigevent_t))
# define __have_sigval_t 1

/* Type for data associated with a signal.  */
typedef union sigval
  {
    int sival_int;
    void *sival_ptr;
  } sigval_t;
#endif

#if (!defined __have_siginfo_t \
     && (defined _SIGNAL_H || defined __need_siginfo_t))
# define __have_siginfo_t     1

typedef struct siginfo
  {
    int si_signo;       /* Signal number.  */
    int si_errno;       /* If non-zero, an errno value associated with
                           this signal, as defined in <errno.h>.  */
    int si_code;        /* Signal code.  */
    __pid_t si_pid;           /* Sending process ID.  */
    __uid_t si_uid;           /* Real user ID of sending process.  */
    void *si_addr;            /* Address of faulting instruction.  */
    int si_status;            /* Exit value or signal.  */
    long int si_band;         /* Band event for SIGPOLL.  */
    union sigval si_value;    /* Signal value.  */
  } siginfo_t;


/* Values for `si_code'.  Positive values are reserved for kernel-generated
   signals.  */
enum
{
  SI_ASYNCIO = -4,            /* Sent by AIO completion.  */
# define SI_ASYNCIO     SI_ASYNCIO
  SI_MESGQ,             /* Sent by real time mesq state change.  */
# define SI_MESGQ SI_MESGQ
  SI_TIMER,             /* Sent by timer expiration.  */
# define SI_TIMER SI_TIMER
  SI_QUEUE,             /* Sent by sigqueue.  */
# define SI_QUEUE SI_QUEUE
  SI_USER               /* Sent by kill, sigsend, raise.  */
# define SI_USER  SI_USER
};


/* `si_code' values for SIGILL signal.  */
enum
{
  ILL_ILLOPC = 1,       /* Illegal opcode.  */
# define ILL_ILLOPC     ILL_ILLOPC
  ILL_ILLOPN,                 /* Illegal operand.  */
# define ILL_ILLOPN     ILL_ILLOPN
  ILL_ILLADR,                 /* Illegal addressing mode.  */
# define ILL_ILLADR     ILL_ILLADR
  ILL_ILLTRP,                 /* Illegal trap. */
# define ILL_ILLTRP     ILL_ILLTRP
  ILL_PRVOPC,                 /* Privileged opcode.  */
# define ILL_PRVOPC     ILL_PRVOPC
  ILL_PRVREG,                 /* Privileged register.  */
# define ILL_PRVREG     ILL_PRVREG
  ILL_COPROC,                 /* Coprocessor error.  */
# define ILL_COPROC     ILL_COPROC
  ILL_BADSTK                  /* Internal stack error.  */
# define ILL_BADSTK     ILL_BADSTK
};

/* `si_code' values for SIGFPE signal.  */
enum
{
  FPE_INTDIV = 1,       /* Integer divide by zero.  */
# define FPE_INTDIV     FPE_INTDIV
  FPE_INTOVF,                 /* Integer overflow.  */
# define FPE_INTOVF     FPE_INTOVF
  FPE_FLTDIV,                 /* Floating point divide by zero.  */
# define FPE_FLTDIV     FPE_FLTDIV
  FPE_FLTOVF,                 /* Floating point overflow.  */
# define FPE_FLTOVF     FPE_FLTOVF
  FPE_FLTUND,                 /* Floating point underflow.  */
# define FPE_FLTUND     FPE_FLTUND
  FPE_FLTRES,                 /* Floating point inexact result.  */
# define FPE_FLTRES     FPE_FLTRES
  FPE_FLTINV,                 /* Floating point invalid operation.  */
# define FPE_FLTINV     FPE_FLTINV
  FPE_FLTSUB                  /* Subscript out of range.  */
# define FPE_FLTSUB     FPE_FLTSUB
};

/* `si_code' values for SIGSEGV signal.  */
enum
{
  SEGV_MAPERR = 1,            /* Address not mapped to object.  */
# define SEGV_MAPERR    SEGV_MAPERR
  SEGV_ACCERR                 /* Invalid permissions for mapped object.  */
# define SEGV_ACCERR    SEGV_ACCERR
};

/* `si_code' values for SIGBUS signal.  */
enum
{
  BUS_ADRALN = 1,       /* Invalid address alignment.  */
# define BUS_ADRALN     BUS_ADRALN
  BUS_ADRERR,                 /* Non-existant physical address.  */
# define BUS_ADRERR     BUS_ADRERR
  BUS_OBJERR                  /* Object specific hardware error.  */
# define BUS_OBJERR     BUS_OBJERR
};

/* `si_code' values for SIGTRAP signal.  */
enum
{
  TRAP_BRKPT = 1,       /* Process breakpoint.  */
# define TRAP_BRKPT     TRAP_BRKPT
  TRAP_TRACE                  /* Process trace trap.  */
# define TRAP_TRACE     TRAP_TRACE
};

/* `si_code' values for SIGCHLD signal.  */
enum
{
  CLD_EXITED = 1,       /* Child has exited.  */
# define CLD_EXITED     CLD_EXITED
  CLD_KILLED,                 /* Child was killed.  */
# define CLD_KILLED     CLD_KILLED
  CLD_DUMPED,                 /* Child terminated abnormally.  */
# define CLD_DUMPED     CLD_DUMPED
  CLD_TRAPPED,                /* Traced child has trapped.  */
# define CLD_TRAPPED    CLD_TRAPPED
  CLD_STOPPED,                /* Child has stopped.  */
# define CLD_STOPPED    CLD_STOPPED
  CLD_CONTINUED               /* Stopped child has continued.  */
# define CLD_CONTINUED  CLD_CONTINUED
};

/* `si_code' values for SIGPOLL signal.  */
enum
{
  POLL_IN = 1,                /* Data input available.  */
# define POLL_IN  POLL_IN
  POLL_OUT,             /* Output buffers available.  */
# define POLL_OUT POLL_OUT
  POLL_MSG,             /* Input message available.   */
# define POLL_MSG POLL_MSG
  POLL_ERR,             /* I/O error.  */
# define POLL_ERR POLL_ERR
  POLL_PRI,             /* High priority input available.  */
# define POLL_PRI POLL_PRI
  POLL_HUP              /* Device disconnected.  */
# define POLL_HUP POLL_HUP
};

# undef __need_siginfo_t
#endif      /* !have siginfo_t && (have _SIGNAL_H || need siginfo_t).  */


#if (defined _SIGNAL_H || defined __need_sigevent_t) \
    && !defined __have_sigevent_t
# define __have_sigevent_t    1

/* Structure to transport application-defined values with signals.  */
# define SIGEV_MAX_SIZE 64
# define SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE / sizeof (int)) - 3)

typedef struct sigevent
  {
    sigval_t sigev_value;
    int sigev_signo;
    int sigev_notify;
    void (*sigev_notify_function) (sigval_t);       /* Function to start.  */
    void *sigev_notify_attributes;            /* Really pthread_attr_t.*/
  } sigevent_t;

/* `sigev_notify' values.  */
enum
{
  SIGEV_SIGNAL = 0,           /* Notify via signal.  */
# define SIGEV_SIGNAL   SIGEV_SIGNAL
  SIGEV_NONE,                 /* Other notification: meaningless.  */
# define SIGEV_NONE     SIGEV_NONE
  SIGEV_THREAD                /* Deliver via thread creation.  */
# define SIGEV_THREAD   SIGEV_THREAD
};

#endif      /* have _SIGNAL_H.  */

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