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      1 /*	$NetBSD: linux_siginfo.h,v 1.8 2024/10/01 16:35:42 riastradh Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 2005 Emmanuel Dreyfus, all rights reserved.
      5  *
      6  * Redistribution and use in source and binary forms, with or without
      7  * modification, are permitted provided that the following conditions
      8  * are met:
      9  * 1. Redistributions of source code must retain the above copyright
     10  *    notice, this list of conditions and the following disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above copyright
     12  *    notice, this list of conditions and the following disclaimer in the
     13  *    documentation and/or other materials provided with the distribution.
     14  * 3. All advertising materials mentioning features or use of this software
     15  *    must display the following acknowledgement:
     16  *	This product includes software developed by Emmanuel Dreyfus
     17  * 4. The name of the author may not be used to endorse or promote
     18  *    products derived from this software without specific prior written
     19  *    permission.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE THE AUTHOR AND CONTRIBUTORS ``AS IS''
     22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
     23  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
     25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     31  * POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 #ifndef _AMD64_LINUX_SIGINFO_H
     35 #define _AMD64_LINUX_SIGINFO_H
     36 
     37 #define LINUX___ARCH_SI_PREAMBLE_SIZE (4 * sizeof(int))
     38 #define LINUX_SI_MAX_SIZE 128
     39 #define LINUX_SI_PAD_SIZE \
     40     ((LINUX_SI_MAX_SIZE - LINUX___ARCH_SI_PREAMBLE_SIZE) / sizeof(int))
     41 
     42 typedef union linux_sigval {
     43 	int sival_int;
     44 	void *sival_ptr;
     45 } linux_sigval_t;
     46 
     47 
     48 typedef struct linux_siginfo {
     49 	int lsi_signo;
     50 	int lsi_errno;
     51 	int lsi_code;
     52 	union {
     53 		int _pad[LINUX_SI_PAD_SIZE];
     54 
     55 		/* kill() */
     56 		struct {
     57 			linux_pid_t _pid;
     58 			linux_uid_t _uid;
     59 		} _kill;
     60 
     61 		/* POSIX.1b signals */
     62 		struct {
     63 			linux_pid_t	_pid;
     64 			linux_uid_t	_uid;
     65 			linux_sigval_t	_sigval;
     66 		} _rt;
     67 
     68 		/* POSIX.1b timers */
     69 		struct {
     70 			linux_timer_t _tid;
     71 			int _overrun;
     72 			char _pad[sizeof(linux_uid_t) - sizeof(int)];
     73 			linux_sigval_t _sigval;
     74 			int _sys_private;
     75 		} _timer;
     76 
     77 		/* SIGCHLD */
     78 		struct {
     79 			linux_pid_t _pid;
     80 			linux_uid_t _uid;
     81 			int _status;
     82 			linux_clock_t _utime;
     83 			linux_clock_t _stime;
     84 		} _sigchld;
     85 
     86 		/* SIGPOLL */
     87 		struct {
     88 			long _band;
     89 			int _fd;
     90 		} _sigpoll;
     91 
     92 		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
     93 		struct {
     94 			void *_addr;
     95 		} _sigfault;
     96 
     97 	} _sidata;
     98 } linux_siginfo_t;
     99 
    100 #endif /* !_AMD64_LINUX_SIGINFO_H */
    101