diff options
Diffstat (limited to 'gl/sleep.c')
-rw-r--r-- | gl/sleep.c | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/gl/sleep.c b/gl/sleep.c deleted file mode 100644 index 4c97d7dfa5..0000000000 --- a/gl/sleep.c +++ /dev/null @@ -1,76 +0,0 @@ -/* 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 |