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-rw-r--r--gl/sleep.c76
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diff --git a/gl/sleep.c b/gl/sleep.c
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--- a/gl/sleep.c
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-/* Pausing execution of the current thread.
- Copyright (C) 2007, 2009-2013 Free Software Foundation, Inc.
- Written by Bruno Haible <bruno@clisp.org>, 2007.
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>. */
-
-#include <config.h>
-
-/* Specification. */
-#include <unistd.h>
-
-#include <limits.h>
-
-#include "verify.h"
-
-#if (defined _WIN32 || defined __WIN32__) && ! defined __CYGWIN__
-
-# define WIN32_LEAN_AND_MEAN /* avoid including junk */
-# include <windows.h>
-
-unsigned int
-sleep (unsigned int seconds)
-{
- unsigned int remaining;
-
- /* Sleep for 1 second many times, because
- 1. Sleep is not interruptible by Ctrl-C,
- 2. we want to avoid arithmetic overflow while multiplying with 1000. */
- for (remaining = seconds; remaining > 0; remaining--)
- Sleep (1000);
-
- return remaining;
-}
-
-#elif HAVE_SLEEP
-
-# undef sleep
-
-/* Guarantee unlimited sleep and a reasonable return value. Cygwin
- 1.5.x rejects attempts to sleep more than 49.7 days (2**32
- milliseconds), but uses uninitialized memory which results in a
- garbage answer. Similarly, Linux 2.6.9 with glibc 2.3.4 has a too
- small return value when asked to sleep more than 24.85 days. */
-unsigned int
-rpl_sleep (unsigned int seconds)
-{
- /* This requires int larger than 16 bits. */
- verify (UINT_MAX / 24 / 24 / 60 / 60);
- const unsigned int limit = 24 * 24 * 60 * 60;
- while (limit < seconds)
- {
- unsigned int result;
- seconds -= limit;
- result = sleep (limit);
- if (result)
- return seconds + result;
- }
- return sleep (seconds);
-}
-
-#else /* !HAVE_SLEEP */
-
- #error "Please port gnulib sleep.c to your platform, possibly using usleep() or select(), then report this to bug-gnulib."
-
-#endif