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Diffstat (limited to 'sysdeps/unix/sysv/linux/sleep.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/sleep.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/sleep.c b/sysdeps/unix/sysv/linux/sleep.c new file mode 100644 index 0000000000..1094df5129 --- /dev/null +++ b/sysdeps/unix/sysv/linux/sleep.c @@ -0,0 +1,36 @@ +/* sleep - Implementation of the POSIX sleep function using nanosleep. +Copyright (C) 1996 Free Software Foundation, Inc. +This file is part of the GNU C Library. +Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library 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 +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ + +#include <time.h> + +unsigned int +sleep (unsigned int seconds) +{ + struct timespec ts = { tv_sec: (long int) seconds, tv_nsec: 0 }; + unsigned int result; + + if (nanosleep (&ts, &ts) == 0) + result = 0; + else + /* Round remaining time. */ + result = (unsigned int) ts.tv_sec + (ts.tv_nsec >= 500000000L); + + return result; +} |