1 files changed, 46 insertions, 0 deletions
diff --git a/src/crimson/osd/exceptions.h b/src/crimson/osd/exceptions.h
new file mode 100644
index 000000000..2783ed252
--- /dev/null
+++ b/src/crimson/osd/exceptions.h
@@ -0,0 +1,46 @@
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#pragma once
+
+#include <exception>
+#include <system_error>
+
+#include "crimson/common/errorator.h"
+
+namespace crimson::osd {
+class error : private std::system_error {
+public:
+  error(const std::errc ec)
+    : system_error(std::make_error_code(ec)) {
+  }
+
+  using system_error::code;
+  using system_error::what;
+
+  friend error make_error(int ret);
+
+private:
+  error(const int ret) noexcept
+    : system_error(ret, std::system_category()) {
+  }
+};
+
+inline error make_error(const int ret) {
+  return error{ret};
+}
+
+struct object_not_found : public error {
+  object_not_found() : error(std::errc::no_such_file_or_directory) {}
+};
+
+struct invalid_argument : public error {
+  invalid_argument() : error(std::errc::invalid_argument) {}
+};
+
+// FIXME: error handling
+struct permission_denied : public error {
+  permission_denied() : error(std::errc::operation_not_permitted) {}
+};
+
+} // namespace crimson::osd