1/* $NetBSD: compat_nanosleep.c,v 1.1.2.3 2008/11/09 20:00:20 christos Exp $ */ 2 3/*- 4 * Copyright (c) 2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas. 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#include <sys/cdefs.h> 39#if defined(LIBC_SCCS) && !defined(lint) 40__RCSID("$NetBSD: compat_nanosleep.c,v 1.1.2.3 2008/11/09 20:00:20 christos Exp $"); 41#endif /* LIBC_SCCS and not lint */ 42 43#include "namespace.h" 44#define __LIBC12_SOURCE__ 45#include <time.h> 46#include <compat/include/time.h> 47 48__warn_references(nanosleep, 49 "warning: reference to compatibility nanosleep(); include <time.h> to generate correct reference") 50 51#ifdef __weak_alias 52__weak_alias(nanosleep, _nanosleep) 53__weak_alias(_sys_nanosleep, _nanosleep) 54#endif 55 56/* 57 * Copy timeout to local variable and call the syscall. 58 */ 59int 60nanosleep(const struct timespec50 *ts50, struct timespec50 *rts50) 61{ 62 struct timespec ts, *tsp; 63 struct timespec rts, *rtsp; 64 int error; 65 66 rtsp = rts50 ? &rts : NULL; 67 if (ts50) 68 timespec50_to_timespec(ts50, tsp = &ts); 69 else 70 tsp = NULL; 71 error = __nanosleep50(tsp, rtsp); 72 if (error) 73 return error; 74 if (rts50) 75 timespec_to_timespec50(rtsp, rts50); 76 return 0; 77} 78