minix/lib/libc/compat/sys/compat_nanosleep.c

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/* $NetBSD: compat_nanosleep.c,v 1.2 2009/01/11 02:46:26 christos Exp $ */
/*-
* Copyright (c) 2008 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Christos Zoulas.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
#if defined(LIBC_SCCS) && !defined(lint)
__RCSID("$NetBSD: compat_nanosleep.c,v 1.2 2009/01/11 02:46:26 christos Exp $");
#endif /* LIBC_SCCS and not lint */
#include "namespace.h"
#define __LIBC12_SOURCE__
#include <time.h>
#include <compat/include/time.h>
__warn_references(nanosleep,
"warning: reference to compatibility nanosleep(); include <time.h> to generate correct reference")
#ifdef __weak_alias
__weak_alias(nanosleep, _nanosleep)
__weak_alias(_sys_nanosleep, _nanosleep)
#endif
/*
* Copy timeout to local variable and call the syscall.
*/
int
nanosleep(const struct timespec50 *ts50, struct timespec50 *rts50)
{
struct timespec ts, *tsp;
struct timespec rts, *rtsp;
int error;
rtsp = rts50 ? &rts : NULL;
if (ts50)
timespec50_to_timespec(ts50, tsp = &ts);
else
tsp = NULL;
error = __nanosleep50(tsp, rtsp);
if (error)
return error;
if (rts50)
timespec_to_timespec50(rtsp, rts50);
return 0;
}