Atmosphere/libraries/libstratosphere/source/os/impl/os_timeout_helper_impl.os.linux.cpp

44 lines
1.4 KiB
C++
Raw Permalink Normal View History

/*
* Copyright (c) Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope 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 <stratosphere.hpp>
#include "os_timeout_helper_impl.os.linux.hpp"
#include <time.h>
namespace ams::os::impl {
void TimeoutHelperImpl::Sleep(TimeSpan tm) {
/* If asked to sleep for no time, do nothing */
if (tm == 0) {
return;
}
constexpr s64 NanoSecondsPerSecond = TimeSpan::FromSeconds(1).GetNanoSeconds();
const s64 ns = tm.GetNanoSeconds();
struct timespec ts = { .tv_sec = (ns / NanoSecondsPerSecond), .tv_nsec = ns % NanoSecondsPerSecond };
while (true) {
const auto ret = ::nanosleep(std::addressof(ts), std::addressof(ts));
if (ret == 0) {
break;
}
AMS_ASSERT(errno == EINTR);
}
}
}