kernel: Add named event table

Used to store ReadableEvents of all events on the system.

src/core/hle/kernel/kernel.cpp

@@ -17,9 +17,11 @@
 #include "core/hle/kernel/handle_table.h"
 #include "core/hle/kernel/kernel.h"
 #include "core/hle/kernel/process.h"
+#include "core/hle/kernel/readable_event.h"
 #include "core/hle/kernel/resource_limit.h"
 #include "core/hle/kernel/thread.h"
 #include "core/hle/kernel/timer.h"
+#include "core/hle/kernel/writable_event.h"
 #include "core/hle/lock.h"
 #include "core/hle/result.h"
 
@@ -175,6 +177,10 @@ struct KernelCore::Impl {
     // allowing us to simply use a pool index or similar.
     Kernel::HandleTable thread_wakeup_callback_handle_table;
 
+    /// Map of named events managed by the kernel, which are retrieved when HLE services need to
+    /// return an event to the system.
+    NamedEventTable named_events;
+
     /// Map of named ports managed by the kernel, which can be retrieved using
     /// the ConnectToPort SVC.
     NamedPortTable named_ports;
@@ -221,6 +227,19 @@ const Process* KernelCore::CurrentProcess() const {
     return impl->current_process;
 }
 
+void KernelCore::AddNamedEvent(std::string name, SharedPtr<ReadableEvent> event) {
+    impl->named_events.emplace(std::move(name), std::move(event));
+}
+
+KernelCore::NamedEventTable::iterator KernelCore::FindNamedEvent(const std::string& name) {
+    return impl->named_events.find(name);
+}
+
+KernelCore::NamedEventTable::const_iterator KernelCore::FindNamedEvent(
+    const std::string& name) const {
+    return impl->named_events.find(name);
+}
+
 void KernelCore::AddNamedPort(std::string name, SharedPtr<ClientPort> port) {
     impl->named_ports.emplace(std::move(name), std::move(port));
 }