2 files changed, 17 insertions, 0 deletions
diff --git a/src/zenutil/basicfile.cpp b/src/zenutil/basicfile.cpp
index 12d9cf950..84e8bed85 100644
--- a/src/zenutil/basicfile.cpp
+++ b/src/zenutil/basicfile.cpp
@@ -128,6 +128,22 @@ BasicFile::Open(const std::filesystem::path& FileName, Mode InMode, std::error_c
 }
 
 void
+BasicFile::Open(const std::filesystem::path& FileName, Mode Mode, std::function<bool(std::error_code& Ec)>&& RetryCallback)
+{
+	std::error_code Ec;
+	Open(FileName, Mode, Ec);
+	while (Ec && RetryCallback(Ec))
+	{
+		Ec.clear();
+		Open(FileName, Mode, Ec);
+	}
+	if (Ec)
+	{
+		throw std::system_error(Ec, fmt::format("failed to open file '{}', mode: {:x}", FileName, uint32_t(Mode)));
+	}
+}
+
+void
 BasicFile::Close()
 {
 	if (m_FileHandle)
diff --git a/src/zenutil/include/zenutil/basicfile.h b/src/zenutil/include/zenutil/basicfile.h
index 5a27befd9..7cf8b05db 100644
--- a/src/zenutil/include/zenutil/basicfile.h
+++ b/src/zenutil/include/zenutil/basicfile.h
@@ -49,6 +49,7 @@ public:
 
 	void	 Open(const std::filesystem::path& FileName, Mode Mode);
 	void	 Open(const std::filesystem::path& FileName, Mode Mode, std::error_code& Ec);
+	void	 Open(const std::filesystem::path& FileName, Mode Mode, std::function<bool(std::error_code& Ec)>&& RetryCallback);
 	void	 Close();
 	void	 Read(void* Data, uint64_t Size, uint64_t FileOffset);
 	IoBuffer ReadRange(uint64_t FileOffset, uint64_t ByteCount);