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/* $Id: siginfo.h,v 1.4 1999/06/13 16:35:54 ralf Exp $
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 1998, 1999 by Ralf Baechle
*/
#ifndef _ASM_SIGINFO_H
#define _ASM_SIGINFO_H
#include <linux/types.h>
/* This structure matches IRIX 32/n32 ABIs for binary compatibility. */
typedef union sigval {
int sival_int;
void *sival_ptr;
} sigval_t;
/* This structure matches IRIX 32/n32 ABIs for binary compatibility but
has Linux extensions. */
#define SI_MAX_SIZE 128
#define SI_PAD_SIZE ((SI_MAX_SIZE/sizeof(int)) - 3)
typedef struct siginfo {
int si_signo;
int si_code;
int si_errno;
union {
int _pad[SI_PAD_SIZE];
/* kill() */
struct {
pid_t _pid; /* sender's pid */
uid_t _uid; /* sender's uid */
} _kill;
/* SIGCHLD */
struct {
pid_t _pid; /* which child */
uid_t _uid; /* sender's uid */
clock_t _utime;
int _status; /* exit code */
clock_t _stime;
} _sigchld;
/* IRIX SIGCHLD */
struct {
pid_t _pid; /* which child */
clock_t _utime;
int _status; /* exit code */
clock_t _stime;
} _irix_sigchld;
/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
struct {
void *_addr; /* faulting insn/memory ref. */
} _sigfault;
/* SIGPOLL, SIGXFSZ (To do ...) */
struct {
int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
int _fd;
} _sigpoll;
/* POSIX.1b timers */
struct {
unsigned int _timer1;
unsigned int _timer2;
} _timer;
/* POSIX.1b signals */
struct {
pid_t _pid; /* sender's pid */
uid_t _uid; /* sender's uid */
sigval_t _sigval;
} _rt;
} _sifields;
} siginfo_t;
/*
* How these fields are to be accessed.
*/
#define si_pid _sifields._kill._pid
#define si_uid _sifields._kill._uid
#define si_status _sifields._sigchld._status
#define si_utime _sifields._sigchld._utime
#define si_stime _sifields._sigchld._stime
#define si_value _sifields._rt._sigval
#define si_int _sifields._rt._sigval.sival_int
#define si_ptr _sifields._rt._sigval.sival_ptr
#define si_addr _sifields._sigfault._addr
#define si_band _sifields._sigpoll._band
#define si_fd _sifields._sigpoll._fd
/*
* si_code values
* Again these have been choosen to be IRIX compatible.
*/
#define SI_USER 0 /* sent by kill, sigsend, raise */
#define SI_KERNEL 0x80 /* sent by the kernel from somewhere */
#define SI_QUEUE -1 /* sent by sigqueue */
#define SI_ASYNCIO -2 /* sent by AIO completion */
#define SI_TIMER -3 /* sent by timer expiration */
#define SI_MESGQ -4 /* sent by real time mesq state change */
#define SI_SIGIO -5 /* sent by queued SIGIO */
#define SI_FROMUSER(siptr) ((siptr)->si_code <= 0)
#define SI_FROMKERNEL(siptr) ((siptr)->si_code > 0)
/*
* SIGILL si_codes
*/
#define ILL_ILLOPC 1 /* illegal opcode */
#define ILL_ILLOPN 2 /* illegal operand */
#define ILL_ILLADR 3 /* illegal addressing mode */
#define ILL_ILLTRP 4 /* illegal trap */
#define ILL_PRVOPC 5 /* privileged opcode */
#define ILL_PRVREG 6 /* privileged register */
#define ILL_COPROC 7 /* coprocessor error */
#define ILL_BADSTK 8 /* internal stack error */
#define NSIGILL 8
/*
* SIGFPE si_codes
*/
#define FPE_INTDIV 1 /* integer divide by zero */
#define FPE_INTOVF 2 /* integer overflow */
#define FPE_FLTDIV 3 /* floating point divide by zero */
#define FPE_FLTOVF 4 /* floating point overflow */
#define FPE_FLTUND 5 /* floating point underflow */
#define FPE_FLTRES 6 /* floating point inexact result */
#define FPE_FLTINV 7 /* floating point invalid operation */
#define FPE_FLTSUB 8 /* subscript out of range */
#define NSIGFPE 8
/*
* SIGSEGV si_codes
*/
#define SEGV_MAPERR 1 /* address not mapped to object */
#define SEGV_ACCERR 2 /* invalid permissions for mapped object */
#define NSIGSEGV 2
/*
* SIGBUS si_codes
*/
#define BUS_ADRALN 1 /* invalid address alignment */
#define BUS_ADRERR 2 /* non-existant physical address */
#define BUS_OBJERR 3 /* object specific hardware error */
#define NSIGBUS 3
/*
* SIGTRAP si_codes
*/
#define TRAP_BRKPT 1 /* process breakpoint */
#define TRAP_TRACE 2 /* process trace trap */
#define NSIGTRAP 2
/*
* SIGCHLD si_codes
*/
#define CLD_EXITED 1 /* child has exited */
#define CLD_KILLED 2 /* child was killed */
#define CLD_DUMPED 3 /* child terminated abnormally */
#define CLD_TRAPPED 4 /* traced child has trapped */
#define CLD_STOPPED 5 /* child has stopped */
#define CLD_CONTINUED 6 /* stopped child has continued */
#define NSIGCLD 6
/*
* SIGPOLL si_codes
*/
#define POLL_IN 1 /* data input available */
#define POLL_OUT 2 /* output buffers available */
#define POLL_MSG 3 /* input message available */
#define POLL_ERR 4 /* I/O error */
#define POLL_PRI 5 /* high priority input available */
#define POLL_HUP 6 /* device disconnected */
#define NSIGPOLL 6
/*
* sigevent definitions
*
* It seems likely that SIGEV_THREAD will have to be handled from
* userspace, libpthread transmuting it to SIGEV_SIGNAL, which the
* thread manager then catches and does the appropriate nonsense.
* However, everything is written out here so as to not get lost.
*/
#define SIGEV_NONE 128 /* other notification: meaningless */
#define SIGEV_SIGNAL 129 /* notify via signal */
#define SIGEV_CALLBACK 130 /* ??? */
#define SIGEV_THREAD 131 /* deliver via thread creation */
#define SIGEV_MAX_SIZE 64
#define SIGEV_PAD_SIZE ((SIGEV_MAX_SIZE/sizeof(int)) - 4)
/* XXX This one isn't yet IRIX / ABI compatible. */
typedef struct sigevent {
int sigev_notify;
sigval_t sigev_value;
int sigev_signo;
union {
int _pad[SIGEV_PAD_SIZE];
struct {
void (*_function)(sigval_t);
void *_attribute; /* really pthread_attr_t */
} _sigev_thread;
} _sigev_un;
} sigevent_t;
#define sigev_notify_function _sigev_un._sigev_thread._function
#define sigev_notify_attributes _sigev_un._sigev_thread._attribute
#endif /* _ASM_SIGINFO_H */
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