| /* Implementation of the BSD usleep function using nanosleep. |
| Copyright (C) 1996-2014 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 Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <time.h> |
| #include <unistd.h> |
| |
| int |
| usleep (useconds_t useconds) |
| { |
| struct timespec ts = { .tv_sec = (long int) (useconds / 1000000), |
| .tv_nsec = (long int) (useconds % 1000000) * 1000ul }; |
| |
| /* Note the usleep() is a cancellation point. But since we call |
| nanosleep() which itself is a cancellation point we do not have |
| to do anything here. */ |
| return __nanosleep (&ts, NULL); |
| } |
