libc/gen/sleep.c

1.20  christos /*	$NetBSD: sleep.c,v 1.20 1998/11/13 12:31:52 christos Exp $	*/
 1.6       cgd
1.17       jtc /*-
1.17       jtc  * Copyright (c) 1997 The NetBSD Foundation, Inc.
1.17       jtc  * All rights reserved.
1.17       jtc  *
1.17       jtc  * This code is derived from software contributed to The NetBSD Foundation
1.17       jtc  * by J.T. Conklin.
 1.1       cgd  *
 1.1       cgd  * Redistribution and use in source and binary forms, with or without
 1.1       cgd  * modification, are permitted provided that the following conditions
 1.1       cgd  * are met:
 1.1       cgd  * 1. Redistributions of source code must retain the above copyright
 1.1       cgd  *    notice, this list of conditions and the following disclaimer.
 1.1       cgd  * 2. Redistributions in binary form must reproduce the above copyright
 1.1       cgd  *    notice, this list of conditions and the following disclaimer in the
 1.1       cgd  *    documentation and/or other materials provided with the distribution.
 1.1       cgd  * 3. All advertising materials mentioning features or use of this software
 1.1       cgd  *    must display the following acknowledgement:
1.17       jtc  *        This product includes software developed by the NetBSD
1.17       jtc  *        Foundation, Inc. and its contributors.
1.17       jtc  * 4. Neither the name of The NetBSD Foundation nor the names of its
1.17       jtc  *    contributors may be used to endorse or promote products derived
1.17       jtc  *    from this software without specific prior written permission.
 1.1       cgd  *
1.17       jtc  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
1.17       jtc  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
1.17       jtc  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
1.17       jtc  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
1.17       jtc  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
1.17       jtc  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
1.17       jtc  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
1.17       jtc  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
1.17       jtc  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
1.17       jtc  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
1.17       jtc  * POSSIBILITY OF SUCH DAMAGE.
 1.1       cgd  */
 1.1       cgd
1.18    kleink #include <sys/cdefs.h>
 1.1       cgd #if defined(LIBC_SCCS) && !defined(lint)
1.20  christos __RCSID("$NetBSD: sleep.c,v 1.20 1998/11/13 12:31:52 christos Exp $");
 1.1       cgd #endif /* LIBC_SCCS and not lint */
 1.1       cgd
1.19       jtc #include "namespace.h"
1.17       jtc #include <time.h>
 1.1       cgd #include <unistd.h>
1.19       jtc
1.19       jtc #ifdef __weak_alias
1.19       jtc __weak_alias(sleep,_sleep);
1.19       jtc #endif
 1.1       cgd
 1.1       cgd unsigned int
 1.1       cgd sleep(seconds)
 1.1       cgd 	unsigned int seconds;
 1.1       cgd {
1.18    kleink 	struct timespec rqt, rmt;
1.17       jtc
1.17       jtc 	rqt.tv_sec  = seconds;
1.17       jtc 	rqt.tv_nsec = 0;
1.17       jtc
1.17       jtc 	nanosleep(&rqt, &rmt);
1.17       jtc
1.20  christos 	return (unsigned int)rmt.tv_sec;
 1.1       cgd }