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https://github.com/Atmosphere-NX/Atmosphere-libs.git
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74 lines
2.6 KiB
C++
74 lines
2.6 KiB
C++
/*
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* Copyright (c) Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stratosphere.hpp>
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#include "os_timeout_helper.hpp"
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#include "os_thread_manager.hpp"
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#if defined(AMS_OS_IMPL_USE_PTHREADS)
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namespace ams::os::impl {
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namespace {
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}
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void InternalConditionVariableImpl::Initialize() {
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/* TODO: What should be done here? */
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}
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void InternalConditionVariableImpl::Finalize() {
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/* TODO: What should be done here? */
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}
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void InternalConditionVariableImpl::Signal() {
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AMS_ABORT_UNLESS(pthread_cond_signal(std::addressof(m_pthread_cond)) == 0);
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}
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void InternalConditionVariableImpl::Broadcast() {
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AMS_ABORT_UNLESS(pthread_cond_broadcast(std::addressof(m_pthread_cond)) == 0);
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}
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void InternalConditionVariableImpl::Wait(InternalCriticalSection *cs) {
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AMS_ABORT_UNLESS(pthread_cond_wait(std::addressof(m_pthread_cond), std::addressof(cs->Get()->m_pthread_mutex)) == 0);
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}
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ConditionVariableStatus InternalConditionVariableImpl::TimedWait(InternalCriticalSection *cs, const TimeoutHelper &timeout_helper) {
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struct timespec ts;
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const auto gettime_res = clock_gettime(CLOCK_REALTIME, std::addressof(ts));
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AMS_ASSERT(gettime_res == 0);
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AMS_UNUSED(gettime_res);
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constexpr s64 NanoSecondsPerSecond = TimeSpan::FromSeconds(1).GetNanoSeconds();
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const s64 ns = timeout_helper.GetTimeLeftOnTarget().GetNanoSeconds();
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ts.tv_sec += (ns / NanoSecondsPerSecond);
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ts.tv_nsec += (ns % NanoSecondsPerSecond);
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if (ts.tv_nsec >= NanoSecondsPerSecond) {
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ts.tv_sec += ts.tv_nsec / NanoSecondsPerSecond;
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ts.tv_nsec %= NanoSecondsPerSecond;
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}
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const auto res = pthread_cond_timedwait(std::addressof(m_pthread_cond), std::addressof(cs->Get()->m_pthread_mutex), std::addressof(ts));
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if (res != 0) {
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AMS_ABORT_UNLESS(res == ETIMEDOUT);
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return ConditionVariableStatus::TimedOut;
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}
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return ConditionVariableStatus::Success;
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}
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}
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#endif
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