1 files changed, 52 insertions, 0 deletions

diff --git a/src/core/hle/kernel/k_readable_event.cpp b/src/core/hle/kernel/k_readable_event.cpp
new file mode 100644
index 000000000..e9e191bc6
--- /dev/null
+++ b/src/core/hle/kernel/k_readable_event.cpp
@@ -0,0 +1,52 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <algorithm>
+#include "common/assert.h"
+#include "common/logging/log.h"
+#include "core/hle/kernel/errors.h"
+#include "core/hle/kernel/k_readable_event.h"
+#include "core/hle/kernel/k_scheduler.h"
+#include "core/hle/kernel/k_thread.h"
+#include "core/hle/kernel/kernel.h"
+#include "core/hle/kernel/object.h"
+
+namespace Kernel {
+
+KReadableEvent::KReadableEvent(KernelCore& kernel) : KSynchronizationObject{kernel} {}
+KReadableEvent::~KReadableEvent() = default;
+
+void KReadableEvent::Signal() {
+    if (is_signaled) {
+        return;
+    }
+
+    is_signaled = true;
+    NotifyAvailable();
+}
+
+bool KReadableEvent::IsSignaled() const {
+    ASSERT(kernel.GlobalSchedulerContext().IsLocked());
+
+    return is_signaled;
+}
+
+void KReadableEvent::Clear() {
+    is_signaled = false;
+}
+
+ResultCode KReadableEvent::Reset() {
+    KScopedSchedulerLock lock(kernel);
+    if (!is_signaled) {
+        LOG_TRACE(Kernel, "Handle is not signaled! object_id={}, object_type={}, object_name={}",
+                  GetObjectId(), GetTypeName(), GetName());
+        return ERR_INVALID_STATE;
+    }
+
+    Clear();
+
+    return RESULT_SUCCESS;
+}
+
+} // namespace Kernel