diff options
Diffstat (limited to 'lib/libc/gen/sleep.c')
| -rw-r--r-- | lib/libc/gen/sleep.c | 69 |
1 files changed, 0 insertions, 69 deletions
diff --git a/lib/libc/gen/sleep.c b/lib/libc/gen/sleep.c deleted file mode 100644 index 5789647..0000000 --- a/lib/libc/gen/sleep.c +++ /dev/null @@ -1,69 +0,0 @@ -/* - * Copyright (c) 1989, 1993 - * The Regents of the University of California. All rights reserved. - * - * 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 University of - * California, Berkeley and its contributors. - * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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. - */ - -#if defined(LIBC_SCCS) && !defined(lint) -#if 0 -static char sccsid[] = "@(#)sleep.c 8.1 (Berkeley) 6/4/93"; -#endif -static char rcsid[] = - "$Id$"; -#endif /* LIBC_SCCS and not lint */ - -#include <errno.h> -#include <limits.h> -#include <time.h> -#include <unistd.h> - -unsigned int -sleep(seconds) - unsigned int seconds; -{ - struct timespec time_to_sleep; - struct timespec time_remaining; - - /* - * Avoid overflow when `seconds' is huge. This assumes that - * the maximum value for a time_t is >= LONG_MAX. - */ - if (seconds > LONG_MAX) - return (seconds - LONG_MAX + sleep(LONG_MAX)); - - time_to_sleep.tv_sec = seconds; - time_to_sleep.tv_nsec = 0; - if (nanosleep(&time_to_sleep, &time_remaining) != -1) - return (0); - if (errno != EINTR) - return (seconds); /* best guess */ - return (time_remaining.tv_sec + - (time_remaining.tv_nsec != 0)); /* round up */ -} |
