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https://github.com/Atmosphere-NX/Atmosphere-libs.git
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64 lines
2.0 KiB
C++
64 lines
2.0 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 "htcs_rpc_tasks.hpp"
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namespace ams::htcs::impl::rpc {
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namespace {
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constexpr int MaxEventCount = 0x22;
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constinit os::SdkMutex g_event_count_mutex;
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constinit int g_event_count = 0;
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}
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HtcsSignalingTask::HtcsSignalingTask(HtcsTaskType type) : HtcsTask(type), m_is_valid(false) {
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/* Acquire the exclusive right to create an event. */
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std::scoped_lock lk(g_event_count_mutex);
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/* Create an event. */
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if (AMS_LIKELY(g_event_count < MaxEventCount)) {
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/* Make the event. */
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R_ABORT_UNLESS(os::CreateSystemEvent(std::addressof(m_system_event), os::EventClearMode_ManualClear, true));
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/* Increment the event count. */
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++g_event_count;
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/* Mark ourselves as valid. */
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m_is_valid = true;
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}
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}
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HtcsSignalingTask::~HtcsSignalingTask() {
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/* If we have an event, we need to destroy it. */
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if (AMS_LIKELY(m_is_valid)) {
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/* Acquire exclusive access to the event count. */
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std::scoped_lock lk(g_event_count_mutex);
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/* Destroy our event. */
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os::DestroySystemEvent(std::addressof(m_system_event));
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/* Decrement the event count. */
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if ((--g_event_count) < 0) {
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g_event_count = 0;
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}
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}
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}
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}
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