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131 lines
3.0 KiB
C
131 lines
3.0 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1998, 1999, 2001, 2003 Ralf Baechle
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* Copyright (C) 2000, 2001 Silicon Graphics, Inc.
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*/
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#ifndef _ASM_SIGINFO_H
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#define _ASM_SIGINFO_H
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#define __ARCH_SIGEV_PREAMBLE_SIZE (sizeof(long) + 2*sizeof(int))
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#undef __ARCH_SI_TRAPNO /* exception code needs to fill this ... */
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#define HAVE_ARCH_SIGINFO_T
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/*
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* We duplicate the generic versions - <asm-generic/siginfo.h> is just borked
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* by design ...
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*/
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#define HAVE_ARCH_COPY_SIGINFO
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struct siginfo;
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/*
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* Careful to keep union _sifields from shifting ...
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*/
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#ifdef CONFIG_32BIT
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#define __ARCH_SI_PREAMBLE_SIZE (3 * sizeof(int))
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#endif
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#ifdef CONFIG_64BIT
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#define __ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
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#endif
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#include <asm-generic/siginfo.h>
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typedef struct siginfo {
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int si_signo;
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int si_code;
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int si_errno;
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int __pad0[SI_MAX_SIZE / sizeof(int) - SI_PAD_SIZE - 3];
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union {
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int _pad[SI_PAD_SIZE];
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/* kill() */
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struct {
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pid_t _pid; /* sender's pid */
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__ARCH_SI_UID_T _uid; /* sender's uid */
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} _kill;
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/* POSIX.1b timers */
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struct {
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timer_t _tid; /* timer id */
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int _overrun; /* overrun count */
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char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)];
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sigval_t _sigval; /* same as below */
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int _sys_private; /* not to be passed to user */
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} _timer;
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/* POSIX.1b signals */
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struct {
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pid_t _pid; /* sender's pid */
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__ARCH_SI_UID_T _uid; /* sender's uid */
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sigval_t _sigval;
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} _rt;
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/* SIGCHLD */
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struct {
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pid_t _pid; /* which child */
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__ARCH_SI_UID_T _uid; /* sender's uid */
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int _status; /* exit code */
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clock_t _utime;
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clock_t _stime;
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} _sigchld;
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/* IRIX SIGCHLD */
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struct {
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pid_t _pid; /* which child */
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clock_t _utime;
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int _status; /* exit code */
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clock_t _stime;
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} _irix_sigchld;
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/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
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struct {
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void __user *_addr; /* faulting insn/memory ref. */
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#ifdef __ARCH_SI_TRAPNO
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int _trapno; /* TRAP # which caused the signal */
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#endif
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} _sigfault;
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/* SIGPOLL, SIGXFSZ (To do ...) */
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struct {
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__ARCH_SI_BAND_T _band; /* POLL_IN, POLL_OUT, POLL_MSG */
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int _fd;
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} _sigpoll;
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} _sifields;
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} siginfo_t;
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/*
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* si_code values
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* Again these have been choosen to be IRIX compatible.
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*/
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#undef SI_ASYNCIO
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#undef SI_TIMER
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#undef SI_MESGQ
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#define SI_ASYNCIO -2 /* sent by AIO completion */
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#define SI_TIMER __SI_CODE(__SI_TIMER,-3) /* sent by timer expiration */
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#define SI_MESGQ __SI_CODE(__SI_MESGQ,-4) /* sent by real time mesq state change */
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#ifdef __KERNEL__
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/*
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* Duplicated here because of <asm-generic/siginfo.h> braindamage ...
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*/
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#include <linux/string.h>
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static inline void copy_siginfo(struct siginfo *to, struct siginfo *from)
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{
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if (from->si_code < 0)
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memcpy(to, from, sizeof(*to));
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else
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/* _sigchld is currently the largest know union member */
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memcpy(to, from, 3*sizeof(int) + sizeof(from->_sifields._sigchld));
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}
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#endif
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#endif /* _ASM_SIGINFO_H */
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