1 /*- 2 * Copyright (c) 2005 The NetBSD Foundation, Inc. 3 * All rights reserved. 4 * 5 * This code is derived from software contributed to The NetBSD Foundation 6 * by Frank van der Linden. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 18 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 19 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 20 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 25 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 26 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 * POSSIBILITY OF SUCH DAMAGE. 28 */ 29 30 #ifndef _LINUX_SIGEVENT_H 31 #define _LINUX_SIGEVENT_H 32 33 #define LINUX_SIGEV_SIGNAL 0 /* notify via signal */ 34 #define LINUX_SIGEV_NONE 1 /* other notification: meaningless */ 35 #define LINUX_SIGEV_THREAD 2 /* deliver via thread creation */ 36 #define LINUX_SIGEV_THREAD_ID 4 /* deliver to thread */ 37 38 #define LINUX_SIGEV_MAX 64 39 #ifndef LINUX_SIGEV_PAD 40 #define LINUX_SIGEV_PAD ((LINUX_SIGEV_MAX - \ 41 (sizeof(sigval_t) + (sizeof(int) * 2))) / \ 42 sizeof(int)) 43 #endif 44 45 typedef struct linux_sigevent { 46 sigval_t sigev_value; /* sizeof(pointer) */ 47 int sigev_signo; 48 int sigev_notify; 49 /* guaranteed to have natural pointer alignment */ 50 union { 51 int pad[LINUX_SIGEV_PAD]; 52 int tid; 53 struct { 54 void (*func)(sigval_t); 55 void *attr; 56 } _sigev_thread; 57 } _sigev_un; 58 } linux_sigevent_t; 59 60 int linux_to_native_sigevent(struct sigevent *, 61 const struct linux_sigevent *); 62 int linux_sigevent_copyin(const void *, void *, size_t); 63 64 #endif /* _LINUX_SIGEVENT_H */ 65