/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this * file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_LICENSE_HEADER_END@ */ #include <sys/time.h> extern int nanosleep(const struct timespec *, struct timespec *); /* We use nanosleep and let it set errno, and compute the residual for us. */ unsigned int sleep(unsigned int seconds) { struct timespec req, rem; if (seconds == 0) { return 0; } req.tv_sec = seconds; req.tv_nsec = 0; /* It's not clear from the spec whether the remainder will be 0 ** if we weren't interrupted */ if (nanosleep(&req, &rem) == -1) { return (unsigned int)rem.tv_sec; } return 0; }