moved some files

linux/utility/Utility.h

@@ -0,0 +1,36 @@
+#ifndef LINUX_UTILITY_UTILITY_H_
+#define LINUX_UTILITY_UTILITY_H_
+
+#include <cerrno>
+#include <cstring>
+#include <fsfw/serviceinterface/ServiceInterface.h>
+
+#include <fcntl.h>
+#include <unistd.h>
+
+namespace utility {
+
+void handleIoctlError(const char* const customPrintout);
+
+class UnixFileHelper {
+public:
+    static constexpr int READ_WRITE_FLAG = O_RDWR;
+    static constexpr int READ_ONLY_FLAG = O_RDONLY;
+    static constexpr int NON_BLOCKING_IO_FLAG = O_NONBLOCK;
+
+    static constexpr ReturnValue_t OPEN_FILE_FAILED = 1;
+
+    UnixFileHelper(std::string device, int* fileDescriptor, int flags,
+            std::string diagnosticPrefix = "");
+
+    virtual~ UnixFileHelper();
+
+    ReturnValue_t getOpenResult() const;
+private:
+    int* fileDescriptor = nullptr;
+    ReturnValue_t openStatus = HasReturnvaluesIF::RETURN_OK;
+};
+
+}
+
+#endif /* LINUX_UTILITY_UTILITY_H_ */