2 files changed, 12 insertions, 7 deletions
diff --git a/include/cru/base/Exception.h b/include/cru/base/Exception.h
index d102c263..a898043a 100644
--- a/include/cru/base/Exception.h
+++ b/include/cru/base/Exception.h
@@ -3,6 +3,7 @@
 
 #include <exception>
 #include <optional>
+#include <string_view>
 
 namespace cru {
 #ifdef _MSC_VER
@@ -53,16 +54,18 @@ class CRU_BASE_API TextEncodeException : public Exception {
 
 class ErrnoException : public Exception {
  public:
+  ErrnoException();
+  explicit ErrnoException(int error_code);
   /**
    * @brief will retrieve errno automatically.
    */
-  explicit ErrnoException(String message = {});
-  ErrnoException(String message, int errno_code);
-
-  CRU_DELETE_COPY(ErrnoException)
-  CRU_DELETE_MOVE(ErrnoException)
-
-  ~ErrnoException() override = default;
+  explicit ErrnoException(std::string_view message);
+  ErrnoException(std::string_view message, int errno_code);
+  /**
+   * @brief will retrieve errno automatically.
+   */
+  explicit ErrnoException(StringView message);
+  ErrnoException(StringView message, int errno_code);
 
   int GetErrnoCode() const { return errno_code_; }
 
diff --git a/include/cru/base/platform/unix/UnixFile.h b/include/cru/base/platform/unix/UnixFile.h
index dfbdfffb..8ce3249d 100644
--- a/include/cru/base/platform/unix/UnixFile.h
+++ b/include/cru/base/platform/unix/UnixFile.h
@@ -6,6 +6,7 @@
 
 #include "../../Bitmask.h"
 
+#include <sys/types.h>
 #include <functional>
 
 namespace cru::platform::unix {
@@ -36,6 +37,7 @@ class UnixFileDescriptor {
   explicit operator bool() const { return this->IsValid(); }
   operator int() const { return this->GetValue(); }
 
+  ssize_t Read(void* buffer, size_t size);
   void SetFileDescriptorFlags(int flags);
 
  private: