libc/gen/sleep.c

1.21.38.1      yamt /*	$NetBSD: sleep.c,v 1.21.38.1 2008/05/18 12:30:16 yamt 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  *
     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)
1.21.38.1      yamt __RCSID("$NetBSD: sleep.c,v 1.21.38.1 2008/05/18 12:30:16 yamt 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
     1.21   mycroft __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 }