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48 lines
1.8 KiB
C++
48 lines
1.8 KiB
C++
/*
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* Copyright (c) 2018-2020 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 "impl/os_thread_manager.hpp"
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#include "impl/os_timeout_helper.hpp"
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namespace ams::os {
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void SdkConditionVariableType::Wait(SdkMutexType &mutex) {
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/* Check that we own the mutex. */
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AMS_ABORT_UNLESS(os::IsSdkMutexLockedByCurrentThread(std::addressof(mutex)));
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/* Wait on the mutex. */
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GetReference(this->_storage).Wait(GetPointer(mutex._storage));
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}
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bool SdkConditionVariableType::TimedWait(SdkMutexType &mutex, TimeSpan timeout) {
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/* Check preconditions. */
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AMS_ASSERT(timeout.GetNanoSeconds() >= 0);
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AMS_ABORT_UNLESS(os::IsSdkMutexLockedByCurrentThread(std::addressof(mutex)));
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/* Handle zero timeout by unlocking and re-locking. */
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if (timeout == TimeSpan(0)) {
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GetReference(mutex._storage).Leave();
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GetReference(mutex._storage).Enter();
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return false;
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}
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/* Handle timed wait. */
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impl::TimeoutHelper timeout_helper(timeout);
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auto status = GetReference(this->_storage).TimedWait(GetPointer(mutex._storage), timeout_helper);
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return status == ConditionVariableStatus::Success;
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}
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}
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