sortix-mirror/libc/time/nanosleep.cpp

34 lines
1.4 KiB
C++

/*******************************************************************************
Copyright(C) Jonas 'Sortie' Termansen 2013.
This file is part of the Sortix C Library.
The Sortix 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 3 of the License, or (at your
option) any later version.
The Sortix 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 Sortix C Library. If not, see <http://www.gnu.org/licenses/>.
time/nanosleep.cpp
Sleep for a duration.
*******************************************************************************/
#include <time.h>
extern "C" int nanosleep(const struct timespec* delay, struct timespec* left)
{
// NOTE: POSIX specifies that we should nanosleep on CLOCK_REALTIME, but it
// makes more sense to sleep on the monotonic system clock. Futhermore
// Linux does this as well and users probably won't notice.
return clock_nanosleep(CLOCK_MONOTONIC, 0, delay, left);
}