1 files changed, 45 insertions, 0 deletions
diff --git a/src/mbgl/util/atomic.hpp b/src/mbgl/util/atomic.hpp
new file mode 100644
index 0000000000..3f68bf46a5
--- /dev/null
+++ b/src/mbgl/util/atomic.hpp
@@ -0,0 +1,45 @@
+#pragma once
+
+#include <atomic>
+#include <mutex>
+
+namespace mbgl {
+namespace util {
+
+// std::atomic<bool> is implemented lock free which
+// is not supported by ARMv5 but the code generated
+// seems to be using that and not working at all,
+// thus, this naive implementation using mutexes.
+#if defined(__ANDROID__) && defined(__ARM_ARCH_5TE__)
+
+template <typename T>
+class Atomic {
+public:
+    Atomic() = default;
+    explicit Atomic(const T& data_) : data(data_) {}
+
+    void operator=(const T& other) {
+        std::lock_guard<std::mutex> lock(mtx);
+        data = other;
+    }
+
+    operator bool() const {
+        std::lock_guard<std::mutex> lock(mtx);
+
+        return data;
+    }
+
+private:
+    T data;
+    mutable std::mutex mtx;
+};
+
+#else
+
+template <typename T>
+using Atomic = std::atomic<T>;
+
+#endif
+
+} // namespace util
+} // namespace mbgl