blob: 20ebeb875ee6250938f883598b0cbf73da4dc31b (
plain) (
tree)
|
|
/*
* 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, 2001, 2003 Ralf Baechle
* Copyright (C) 2000, 2001 Silicon Graphics, Inc.
*/
#ifndef _ASM_SIGINFO_H
#define _ASM_SIGINFO_H
#define __ARCH_SIGEV_PREAMBLE_SIZE (sizeof(long) + 2*sizeof(int))
#undef __ARCH_SI_TRAPNO /* exception code needs to fill this ... */
#define HAVE_ARCH_SIGINFO_T
/*
* We duplicate the generic versions - <asm-generic/siginfo.h> is just borked
* by design ...
*/
#define HAVE_ARCH_COPY_SIGINFO
struct siginfo;
/*
* Careful to keep union _sifields from shifting ...
*/
#ifdef CONFIG_32BIT
#define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int))
#endif
#ifdef CONFIG_64BIT
#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
#endif
#include <asm-generic/siginfo.h>
typedef struct siginfo {
int si_signo;
int si_code;
int si_errno;
int __pad0[SI_MAX_SIZE / sizeof(int) - SI_PAD_SIZE - 3];
union {
int _pad[SI_PAD_SIZE];
/* kill() */
struct {
pid_t _pid; /* sender's pid */
__ARCH_SI_UID_T _uid; /* sender's uid */
} _kill;
/* POSIX.1b timers */
struct {
timer_t _tid; /* timer id */
int _overrun; /* overrun count */
char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)];
sigval_t _sigval; /* same as below */
int _sys_private; /* not to be passed to user */
} _timer;
/* POSIX.1b signals */
struct {
pid_t _pid; /* sender's pid */
__ARCH_SI_UID_T _uid; /* sender's uid */
sigval_t _sigval;
} _rt;
/* SIGCHLD */
struct {
pid_t _pid; /* which child */
__ARCH_SI_UID_T _uid; /* sender's uid */
int _status; /* exit code */
clock_t _utime;
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 __user *_addr; /* faulting insn/memory ref. */
#ifdef __ARCH_SI_TRAPNO
int _trapno; /* TRAP # which caused the signal */
#endif
short _addr_lsb;
} _sigfault;
/* SIGPOLL, SIGXFSZ (To do ...) */
struct {
__ARCH_SI_BAND_T _band; /* POLL_IN, POLL_OUT, POLL_MSG */
int _fd;
} _sigpoll;
} _sifields;
} siginfo_t;
/*
* si_code values
* Again these have been chosen to be IRIX compatible.
*/
#undef SI_ASYNCIO
#undef SI_TIMER
#undef SI_MESGQ
#define SI_ASYNCIO -2 /* sent by AIO completion */
#define SI_TIMER __SI_CODE(__SI_TIMER, -3) /* sent by timer expiration */
#define SI_MESGQ __SI_CODE(__SI_MESGQ, -4) /* sent by real time mesq state change */
#ifdef __KERNEL__
/*
* Duplicated here because of <asm-generic/siginfo.h> braindamage ...
*/
#include <linux/string.h>
static inline void copy_siginfo(struct siginfo *to, struct siginfo *from)
{
if (from->si_code < 0)
memcpy(to, from, sizeof(*to));
else
/* _sigchld is currently the largest know union member */
memcpy(to, from, 3*sizeof(int) + sizeof(from->_sifields._sigchld));
}
#endif
#endif /* _ASM_SIGINFO_H */
|
