mirror of
https://github.com/Atmosphere-NX/Atmosphere-libs.git
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87 lines
3.2 KiB
C++
87 lines
3.2 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 "pgl_srv_shell_event_observer.hpp"
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#include "pgl_srv_shell.hpp"
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namespace ams::pgl::srv {
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ShellEventObserverImpl::ShellEventObserverImpl() : message_queue(queue_buffer, QueueCapacity), event(os::EventClearMode_AutoClear, true) {
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this->heap_handle = lmem::CreateUnitHeap(this->event_info_data, sizeof(this->event_info_data), sizeof(this->event_info_data[0]), lmem::CreateOption_ThreadSafe, 8, GetPointer(this->heap_head));
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RegisterShellEventObserver(util::ConstructAt(this->holder, this));
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}
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ShellEventObserverImpl::~ShellEventObserverImpl() {
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UnregisterShellEventObserver(GetPointer(this->holder));
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util::DestroyAt(this->holder);
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}
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Result ShellEventObserverImpl::PopEventInfo(pm::ProcessEventInfo *out) {
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/* Receive an info from the queue. */
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uintptr_t info_address;
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R_UNLESS(this->message_queue.TryReceive(std::addressof(info_address)), pgl::ResultNotAvailable());
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pm::ProcessEventInfo *info = reinterpret_cast<pm::ProcessEventInfo *>(info_address);
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/* Set the output. */
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*out = *info;
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/* Free the received info. */
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lmem::FreeToUnitHeap(this->heap_handle, info);
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return ResultSuccess();
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}
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void ShellEventObserverImpl::Notify(const pm::ProcessEventInfo &info) {
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/* Allocate a new info. */
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auto allocated = reinterpret_cast<pm::ProcessEventInfo *>(lmem::AllocateFromUnitHeap(this->heap_handle));
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if (!allocated) {
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return;
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}
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/* Set it to the notification. */
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*allocated = info;
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/* Try to send it. */
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if (!this->message_queue.TrySend(reinterpret_cast<uintptr_t>(allocated))) {
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lmem::FreeToUnitHeap(this->heap_handle, allocated);
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return;
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}
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/* Notify that we have a new info available. */
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this->event.Signal();
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}
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Result ShellEventObserverCmif::GetProcessEventHandle(ams::sf::OutCopyHandle out) {
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out.SetValue(this->GetEvent().GetReadableHandle());
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return ResultSuccess();
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}
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Result ShellEventObserverCmif::GetProcessEventInfo(ams::sf::Out<pm::ProcessEventInfo> out) {
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return this->PopEventInfo(out.GetPointer());
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}
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Result ShellEventObserverTipc::GetProcessEventHandle(ams::tipc::OutCopyHandle out) {
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out.SetValue(this->GetEvent().GetReadableHandle());
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return ResultSuccess();
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}
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Result ShellEventObserverTipc::GetProcessEventInfo(ams::tipc::Out<pm::ProcessEventInfo> out) {
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return this->PopEventInfo(out.GetPointer());
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}
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}
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