qbit/go
1
0
Fork 0
mirror of https://github.com/golang/go synced 2024-11-23 17:30:02 -07:00
Code Releases Activity

internal/poll: advance file position in windows sendfile

Browse Source 
Some versions of Windows (Windows 10 1803) do not set file
position after TransmitFile completes. So just use Seek
to set file position before returning from sendfile.

Fixes #25722

Change-Id: I7a49be10304b5db19dda707b13ac93d338aeb190
Reviewed-on: https://go-review.googlesource.com/131976
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Yasuhiro MATSUMOTO <mattn.jp@gmail.com>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
This commit is contained in:
Alex Brainman 2018-08-26 16:45:10 +10:00
parent 09ea3c08e8
commit 8359b5e134
1 changed files with 6 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/internal/poll/sendfile_windows.go
View File

@ -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
}