1 /* $NetBSD: linux32_sigevent.h,v 1.2 2021/09/19 22:30:28 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2005 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Frank van der Linden. 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _LINUX32_SIGEVENT_H 33 #define _LINUX32_SIGEVENT_H 34 35 typedef union linux32_sigval { 36 int sival_int; 37 netbsd32_voidp sival_ptr; 38 } linux32_sigval_t; 39 40 #define LINUX32_SIGEV_MAX 64 41 #ifndef LINUX32_SIGEV_PAD 42 #define LINUX32_SIGEV_PAD ((LINUX32_SIGEV_MAX - \ 43 (sizeof(linux32_sigval_t) + (sizeof(int) * 2))) / \ 44 sizeof(int)) 45 #endif 46 47 typedef struct linux32_sigevent { 48 linux32_sigval_t sigev_value; /* sizeof(pointer) */ 49 int sigev_signo; 50 int sigev_notify; 51 /* guaranteed to have natural pointer alignment */ 52 union { 53 int pad[LINUX32_SIGEV_PAD]; 54 int tid; 55 struct { 56 void (*func)(linux32_sigval_t); 57 void *attr; 58 } _sigev_thread; 59 } _sigev_un; 60 } linux32_sigevent_t; 61 62 int linux32_to_native_sigevent(struct sigevent *, 63 const struct linux32_sigevent *); 64 int linux32_sigevent_copyin(const void *, void *, size_t); 65 66 #endif /* _LINUX32_SIGEVENT_H */ 67