Add VTS test for NFC observe mode
Test: this is only a test; manual run on a device
Bug: 305979303 326470047
Merged-In: Idf4953e942bb5db8c2ee72779dfdf80ed4e224b2
Change-Id: Idf4953e942bb5db8c2ee72779dfdf80ed4e224b2
diff --git a/nfc/aidl/vts/functional/CondVar.h b/nfc/aidl/vts/functional/CondVar.h
new file mode 100644
index 0000000..5e0dcf7
--- /dev/null
+++ b/nfc/aidl/vts/functional/CondVar.h
@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * Encapsulate a condition variable for thread synchronization.
+ */
+
+#pragma once
+#include <pthread.h>
+
+#include <mutex>
+
+class CondVar {
+ public:
+ /*******************************************************************************
+ **
+ ** Function: CondVar
+ **
+ ** Description: Initialize member variables.
+ **
+ ** Returns: None.
+ **
+ *******************************************************************************/
+ CondVar();
+
+ /*******************************************************************************
+ **
+ ** Function: ~CondVar
+ **
+ ** Description: Cleanup all resources.
+ **
+ ** Returns: None.
+ **
+ *******************************************************************************/
+ ~CondVar();
+
+ /*******************************************************************************
+ **
+ ** Function: wait
+ **
+ ** Description: Block the caller and wait for a condition.
+ **
+ ** Returns: None.
+ **
+ *******************************************************************************/
+ void wait(std::mutex& mutex);
+
+ /*******************************************************************************
+ **
+ ** Function: wait
+ **
+ ** Description: Block the caller and wait for a condition.
+ ** millisec: Timeout in milliseconds.
+ **
+ ** Returns: True if wait is successful; false if timeout occurs.
+ **
+ *******************************************************************************/
+ bool wait(std::mutex& mutex, long millisec);
+
+ /*******************************************************************************
+ **
+ ** Function: notifyOne
+ **
+ ** Description: Unblock the waiting thread.
+ **
+ ** Returns: None.
+ **
+ *******************************************************************************/
+ void notifyOne();
+
+ private:
+ pthread_cond_t mCondition;
+};