if (error_code ec = UTF8ToUTF16(f, wide_from)) return ec;
if (error_code ec = UTF8ToUTF16(t, wide_to)) return ec;
- if (!::MoveFileExW(wide_from.begin(), wide_to.begin(),
- MOVEFILE_COPY_ALLOWED | MOVEFILE_REPLACE_EXISTING))
- return windows_error(::GetLastError());
+ error_code ec = error_code::success();
+ for (int i = 0; i < 2000; i++) {
+ if (::MoveFileExW(wide_from.begin(), wide_to.begin(),
+ MOVEFILE_COPY_ALLOWED | MOVEFILE_REPLACE_EXISTING))
+ return error_code::success();
+ ec = windows_error(::GetLastError());
+ if (ec != windows_error::access_denied)
+ break;
+ // Retry MoveFile() at ACCESS_DENIED.
+ // System scanners (eg. indexer) might open the source file when
+ // It is written and closed.
+ ::Sleep(1);
+ }
- return error_code::success();
+ return ec;
}
error_code resize_file(const Twine &path, uint64_t size) {