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37 lines
1.3 KiB
C
37 lines
1.3 KiB
C
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/* sleep - Implementation of the POSIX sleep function using nanosleep.
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Copyright (C) 1996 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <time.h>
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unsigned int
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sleep (unsigned int seconds)
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{
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struct timespec ts = { tv_sec: (long int) seconds, tv_nsec: 0 };
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unsigned int result;
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if (nanosleep (&ts, &ts) == 0)
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result = 0;
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else
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/* Round remaining time. */
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result = (unsigned int) ts.tv_sec + (ts.tv_nsec >= 500000000L);
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return result;
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}
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