diff options
Diffstat (limited to 'pkg/tcpip/tcpip.go')
| -rw-r--r-- | pkg/tcpip/tcpip.go | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/pkg/tcpip/tcpip.go b/pkg/tcpip/tcpip.go index 8e2fe70ee..dc6339173 100644 --- a/pkg/tcpip/tcpip.go +++ b/pkg/tcpip/tcpip.go @@ -312,7 +312,10 @@ type Endpoint interface { // the caller should not use data[:n] after Write returns. // // Note that unlike io.Writer.Write, it is not an error for Write to - // perform a partial write. + // perform a partial write (if n > 0, no error may be returned). Only + // stream (TCP) Endpoints may return partial writes, and even then only + // in the case where writing additional data would block. Other Endpoints + // will either write the entire message or return an error. // // For UDP and Ping sockets if address resolution is required, // ErrNoLinkAddress and a notification channel is returned for the caller to |