Home | History | Annotate | Line # | Download | only in powerpc
linux_siginfo.h revision 1.2 
      1 /*	$NetBSD: linux_siginfo.h,v 1.2 2005/02/26 23:10:19 perry Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1998, 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Eric Haszlakiewicz and Emmanuel Dreyfus.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #ifndef _POWERPC_LINUX_SIGINFO_H
     40 #define _POWERPC_LINUX_SIGINFO_H
     41 
     42 /*
     43  * Everything is from Linux's include/asm-ppc/siginfo.h
     44  */
     45 typedef union linux_sigval {
     46 	int sival_int;
     47 	void *sival_ptr;
     48 } linux_sigval_t;
     49 
     50 #define SI_MAX_SIZE	128
     51 #define SI_PAD_SIZE	((SI_MAX_SIZE/sizeof(int)) - 3)
     52 
     53 typedef struct linux_siginfo {
     54 	int lsi_signo;
     55 	int lsi_errno;
     56 	int lsi_code;
     57 	union {
     58 		int _pad[SI_PAD_SIZE];
     59 
     60 		/* kill() */
     61 		struct {
     62 			linux_pid_t	_pid;
     63 			linux_uid_t	_uid;
     64 		} _kill;
     65 
     66 		/* POSIX.1b timers */
     67 		struct {
     68 			unsigned int _timer1;
     69 			unsigned int _timer2;
     70 		} _timer;
     71 
     72 		/* POSIX.1b signals */
     73 		struct {
     74 			linux_pid_t	_pid;
     75 			linux_uid_t	_uid;
     76 			linux_sigval_t	_sigval;
     77 		} _rt;
     78 
     79 		/* SIGCHLD */
     80 		struct {
     81 			linux_pid_t	_pid;
     82 			linux_uid_t	_uid;
     83 			int _status;
     84 			linux_clock_t _utime;
     85 			linux_clock_t _stime;
     86 		} _sigchld;
     87 
     88 		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
     89 		struct {
     90 			void *_addr;
     91 		} _sigfault;
     92 
     93 		/* SIGPOLL */
     94 		struct {
     95 			int _band;
     96 			int _fd;
     97 		} _sigpoll;
     98 
     99 	} _sidata;
    100 } linux_siginfo_t;
    101 
    102 #define lsi_pid _sidata._kill._pid
    103 #define lsi_uid _sidata._kill._uid
    104 
    105 /*
    106  * si_code values
    107  * Digital reserves positive values for kernel-generated signals.
    108  */
    109 #define LINUX__SI_CODE(T,N)  ((T) << 16 | ((N) & 0xffff))
    110 
    111 #define LINUX_SI_USER		0
    112 #define LINUX_SI_KERNEL		0x80
    113 #define LINUX_SI_QUEUE		-1
    114 #define LINUX_SI_TIMER		LINUX__SI_CODE(__SI_TIMER,-2)
    115 #define LINUX_SI_MESGQ		-3
    116 #define LINUX_SI_ASYNCIO	-4
    117 #define LINUX_SI_SIGIO  	-5
    118 
    119 #define LINUX_SI_FROMUSER(sp)	((sp)->si_code <= 0)
    120 #define LINUX_SI_FROMKERENL(sp) ((sp)->si_code > 0)
    121 
    122 
    123 #endif /* !_POWERPC_LINUX_SIGINFO_H */
    124