1 files changed, 9 insertions, 0 deletions
diff --git a/src/mbgl/util/io.hpp b/src/mbgl/util/io.hpp
index e95fc16d9d..bf15253ee4 100644
--- a/src/mbgl/util/io.hpp
+++ b/src/mbgl/util/io.hpp
@@ -2,13 +2,22 @@
 #define MBGL_UTIL_IO
 
 #include <string>
+#include <stdexcept>
 
 namespace mbgl {
 namespace util {
 
+struct IOException : std::runtime_error {
+    inline IOException(int err, const char* msg) : std::runtime_error(msg), code(err) {
+    }
+    const int code = 0;
+};
+
 void write_file(const std::string &filename, const std::string &data);
 std::string read_file(const std::string &filename);
 
+void deleteFile(const std::string& filename);
+
 }
 }