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ios/include/utils/generic/Condition.h

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+/*
+ * Copyright (C) 2016 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.
+ */
+
+#ifndef UTILS_GENERIC_CONDITION_H
+#define UTILS_GENERIC_CONDITION_H
+
+#include <condition_variable>
+
+namespace utils {
+
+class Condition : public std::condition_variable {
+public:
+    using std::condition_variable::condition_variable;
+
+    inline void notify_n(size_t n) noexcept {
+        if (n == 1) {
+            notify_one();
+        } else if (n > 1) {
+            notify_all();
+        }
+    }
+};
+
+} // namespace utils
+
+#endif // UTILS_GENERIC_CONDITION_H

ios/include/utils/generic/Mutex.h

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+/*
+ * Copyright (C) 2016 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.
+ */
+
+#ifndef UTILS_GENERIC_MUTEX_H
+#define UTILS_GENERIC_MUTEX_H
+
+#include <mutex>
+
+namespace utils {
+
+using Mutex = std::mutex;
+
+} // namespace utils
+
+#endif // UTILS_GENERIC_MUTEX_H