76 lines
2.2 KiB
C++
Executable File
76 lines
2.2 KiB
C++
Executable File
// SPDX-FileCopyrightText: Copyright 2021 yuzu Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "core/core.h"
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#include "core/core_timing.h"
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#include "core/hle/kernel/k_event.h"
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#include "core/hle/kernel/k_memory_manager.h"
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#include "core/hle/kernel/k_process.h"
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#include "core/hle/kernel/k_readable_event.h"
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#include "core/hle/kernel/k_resource_limit.h"
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#include "core/hle/kernel/k_scoped_resource_reservation.h"
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#include "core/hle/service/kernel_helpers.h"
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namespace Service::KernelHelpers {
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ServiceContext::ServiceContext(Core::System& system_, std::string name_)
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: kernel(system_.Kernel()) {
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if (process = Kernel::GetCurrentProcessPointer(kernel); process != nullptr) {
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return;
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}
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// Create the process.
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process = Kernel::KProcess::Create(kernel);
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ASSERT(R_SUCCEEDED(process->Initialize(Kernel::Svc::CreateProcessParameter{},
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kernel.GetSystemResourceLimit(), false)));
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// Register the process.
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Kernel::KProcess::Register(kernel, process);
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process_created = true;
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}
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ServiceContext::~ServiceContext() {
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if (process_created) {
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process->Close();
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process = nullptr;
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}
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}
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Kernel::KEvent* ServiceContext::CreateEvent(std::string&& name) {
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// Reserve a new event from the process resource limit
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Kernel::KScopedResourceReservation event_reservation(process,
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Kernel::LimitableResource::EventCountMax);
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if (!event_reservation.Succeeded()) {
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LOG_CRITICAL(Service, "Resource limit reached!");
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return {};
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}
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// Create a new event.
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auto* event = Kernel::KEvent::Create(kernel);
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if (!event) {
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LOG_CRITICAL(Service, "Unable to create event!");
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return {};
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}
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// Initialize the event.
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event->Initialize(process);
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// Commit the thread reservation.
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event_reservation.Commit();
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// Register the event.
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Kernel::KEvent::Register(kernel, event);
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return event;
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}
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void ServiceContext::CloseEvent(Kernel::KEvent* event) {
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if (!event) {
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return;
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}
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event->GetReadableEvent().Close();
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event->Close();
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}
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} // namespace Service::KernelHelpers
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