diff options
| -rw-r--r-- | src/internal/poll/sendfile_windows.go | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/src/internal/poll/sendfile_windows.go b/src/internal/poll/sendfile_windows.go index dc93e851d6..17a3681064 100644 --- a/src/internal/poll/sendfile_windows.go +++ b/src/internal/poll/sendfile_windows.go @@ -38,5 +38,11 @@ func SendFile(fd *FD, src syscall.Handle, n int64) (int64, error) { done, err := wsrv.ExecIO(o, func(o *operation) error { return syscall.TransmitFile(o.fd.Sysfd, o.handle, o.qty, 0, &o.o, nil, syscall.TF_WRITE_BEHIND) }) + if err == nil { + // Some versions of Windows (Windows 10 1803) do not set + // file position after TransmitFile completes. + // So just use Seek to set file position. + _, err = syscall.Seek(o.handle, curpos+int64(done), 0) + } return int64(done), err } |