SMBusData crash test

experiments/smbusdata_crash_test.cpp

@@ -0,0 +1,77 @@
+#include <sm_base.h>
+#include <executor.h>
+
+struct SomeLargeData {
+	uint8_t data[4]{};
+
+	SomeLargeData() { memset(data, 0xff, sizeof(data)); }
+
+	~SomeLargeData() {
+		memset(data, 0x00, sizeof(data));
+	}
+};
+
+inline PIByteArray & operator <<(PIByteArray & s, const SomeLargeData & v) {
+	s << PIByteArray::RawData(v.data, sizeof(v.data));
+	return s;
+}
+
+inline PIByteArray & operator >>(PIByteArray & s, SomeLargeData & v) {
+	if (s.size() < sizeof(v.data)) {
+		piCout << "Error in operator >> for SomeLargeData";
+		exit(1);
+	}
+	s >> PIByteArray::RawData(v.data, sizeof(v.data));
+	return s;
+}
+
+REGISTER_BUS_TYPE(SomeLargeData)
+
+int main() {
+	std::atomic_bool is_end(false);
+	PIThreadPoolExecutor executor(4);
+	PIBlockingDequeue<SMBlockData> out_dequeue;
+	PIBlockingDequeue<SMBlockData> in_dequeue;
+
+	executor.execute([&](){
+		while (true) {
+			bool is_ok;
+			SMBlockData data;
+			data = in_dequeue.poll(100, data, &is_ok);
+			if (!is_ok) {
+				if (is_end) break;
+			}
+
+			out_dequeue.offer(data, 100);
+			if (!is_ok) {
+				if (is_end) break;
+			}
+		}
+	});
+
+	SomeLargeData content;
+	int iteration_count = 100 * 1000;
+	for (int i = 0; i < iteration_count / 20; ++i) {
+		for (int j = 0; j < 20; ++j) {
+			SMBlockData block_data(j+1);
+			for (int k = 0; k < j+1; ++k) {
+				block_data[k].sharedData<SomeLargeData>() = content;
+			}
+//			bus_data << SMBusData::create(content);
+			in_dequeue.offer(block_data.clone());
+		}
+		for (int j = 0; j < 20; ++j) {
+			auto block_data = out_dequeue.take();
+			if (block_data[0].isInvalid()) {
+				piCout << "Error: bus_data is invalid";
+				exit(1);
+			}
+		}
+//		printf("It's alive! %d\n", i);
+	}
+
+	is_end = true;
+	executor.shutdownNow();
+
+	return 0;
+}