mirror of
https://github.com/Atmosphere-NX/Atmosphere
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134 lines
6.7 KiB
C++
134 lines
6.7 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_waitable_holder_impl.hpp"
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#include "impl/os_inter_process_event.hpp"
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#include "impl/os_timeout_helper.hpp"
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namespace ams::os {
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Result CreateSystemEvent(SystemEventType *event, EventClearMode clear_mode, bool inter_process) {
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if (inter_process) {
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R_TRY(impl::CreateInterProcessEvent(std::addressof(event->inter_process_event), clear_mode));
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event->state = SystemEventType::State_InitializedAsInterProcessEvent;
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} else {
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InitializeEvent(std::addressof(event->event), false, clear_mode);
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event->state = SystemEventType::State_InitializedAsEvent;
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}
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return ResultSuccess();
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}
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void DestroySystemEvent(SystemEventType *event) {
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auto state = event->state;
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event->state = SystemEventType::State_NotInitialized;
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switch (state) {
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case SystemEventType::State_InitializedAsInterProcessEvent: impl::DestroyInterProcessEvent(std::addressof(event->inter_process_event)); break;
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case SystemEventType::State_InitializedAsEvent: FinalizeEvent(std::addressof(event->event)); break;
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AMS_UNREACHABLE_DEFAULT_CASE();
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}
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}
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void AttachSystemEvent(SystemEventType *event, Handle read_handle, bool read_handle_managed, Handle write_handle, bool write_handle_managed, EventClearMode clear_mode) {
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AMS_ASSERT(read_handle != svc::InvalidHandle || write_handle != svc::InvalidHandle);
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impl::AttachInterProcessEvent(std::addressof(event->inter_process_event), read_handle, read_handle_managed, write_handle, write_handle_managed, clear_mode);
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event->state = SystemEventType::State_InitializedAsInterProcessEvent;
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}
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void AttachReadableHandleToSystemEvent(SystemEventType *event, Handle read_handle, bool manage_read_handle, EventClearMode clear_mode) {
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return AttachSystemEvent(event, read_handle, manage_read_handle, svc::InvalidHandle, false, clear_mode);
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}
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void AttachWritableHandleToSystemEvent(SystemEventType *event, Handle write_handle, bool manage_write_handle, EventClearMode clear_mode) {
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return AttachSystemEvent(event, svc::InvalidHandle, false, write_handle, manage_write_handle, clear_mode);
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}
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Handle DetachReadableHandleOfSystemEvent(SystemEventType *event) {
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AMS_ASSERT(event->state == SystemEventType::State_InitializedAsInterProcessEvent);
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return impl::DetachReadableHandleOfInterProcessEvent(std::addressof(event->inter_process_event));
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}
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Handle DetachWritableHandleOfSystemEvent(SystemEventType *event) {
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AMS_ASSERT(event->state == SystemEventType::State_InitializedAsInterProcessEvent);
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return impl::DetachWritableHandleOfInterProcessEvent(std::addressof(event->inter_process_event));
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}
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Handle GetReadableHandleOfSystemEvent(const SystemEventType *event) {
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AMS_ASSERT(event->state == SystemEventType::State_InitializedAsInterProcessEvent);
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return impl::GetReadableHandleOfInterProcessEvent(std::addressof(event->inter_process_event));
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}
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Handle GetWritableHandleOfSystemEvent(const SystemEventType *event) {
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AMS_ASSERT(event->state == SystemEventType::State_InitializedAsInterProcessEvent);
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return impl::GetWritableHandleOfInterProcessEvent(std::addressof(event->inter_process_event));
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}
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void SignalSystemEvent(SystemEventType *event) {
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switch (event->state) {
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case SystemEventType::State_InitializedAsInterProcessEvent: return impl::SignalInterProcessEvent(std::addressof(event->inter_process_event));
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case SystemEventType::State_InitializedAsEvent: return SignalEvent(std::addressof(event->event));
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AMS_UNREACHABLE_DEFAULT_CASE();
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}
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}
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void WaitSystemEvent(SystemEventType *event) {
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switch (event->state) {
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case SystemEventType::State_InitializedAsInterProcessEvent: return impl::WaitInterProcessEvent(std::addressof(event->inter_process_event));
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case SystemEventType::State_InitializedAsEvent: return WaitEvent(std::addressof(event->event));
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AMS_UNREACHABLE_DEFAULT_CASE();
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}
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}
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bool TryWaitSystemEvent(SystemEventType *event) {
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switch (event->state) {
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case SystemEventType::State_InitializedAsInterProcessEvent: return impl::TryWaitInterProcessEvent(std::addressof(event->inter_process_event));
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case SystemEventType::State_InitializedAsEvent: return TryWaitEvent(std::addressof(event->event));
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AMS_UNREACHABLE_DEFAULT_CASE();
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}
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}
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bool TimedWaitSystemEvent(SystemEventType *event, TimeSpan timeout) {
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AMS_ASSERT(timeout.GetNanoSeconds() >= 0);
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switch (event->state) {
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case SystemEventType::State_InitializedAsInterProcessEvent: return impl::TimedWaitInterProcessEvent(std::addressof(event->inter_process_event), timeout);
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case SystemEventType::State_InitializedAsEvent: return TimedWaitEvent(std::addressof(event->event), timeout);
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AMS_UNREACHABLE_DEFAULT_CASE();
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}
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}
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void ClearSystemEvent(SystemEventType *event) {
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switch (event->state) {
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case SystemEventType::State_InitializedAsInterProcessEvent: return impl::ClearInterProcessEvent(std::addressof(event->inter_process_event));
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case SystemEventType::State_InitializedAsEvent: return ClearEvent(std::addressof(event->event));
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AMS_UNREACHABLE_DEFAULT_CASE();
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}
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}
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void InitializeWaitableHolder(WaitableHolderType *waitable_holder, SystemEventType *event) {
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switch (event->state) {
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case SystemEventType::State_InitializedAsInterProcessEvent:
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new (GetPointer(waitable_holder->impl_storage)) impl::WaitableHolderOfInterProcessEvent(std::addressof(event->inter_process_event));
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break;
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case SystemEventType::State_InitializedAsEvent:
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new (GetPointer(waitable_holder->impl_storage)) impl::WaitableHolderOfEvent(std::addressof(event->event));
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break;
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AMS_UNREACHABLE_DEFAULT_CASE();
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}
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}
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}
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