mirror of
https://github.com/torvalds/linux.git
synced 2024-11-18 01:51:53 +00:00
131 lines
3.0 KiB
C
131 lines
3.0 KiB
C
/*
|
|
* 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
|
|
} _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 choosen 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 */
|