diff options
| author | Ian Gudger <igudger@google.com> | 2019-09-20 14:08:46 -0700 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2019-09-20 14:10:02 -0700 |
| commit | 002f1d4aaefa9abdd50e3e8906ae828c31d038e6 (patch) | |
| tree | 9c225e9de0c453232d51687fe3a999e5554563a2 /pkg/tcpip/link/sniffer | |
| parent | e9af227a61b836310fdd0c8543c31afe094af5ae (diff) | |
Allow waiting for LinkEndpoint worker goroutines to finish.
Previously, the only safe way to use an fdbased endpoint was to leak the FD.
This change makes it possible to safely close the FD.
This is the first step towards having stoppable stacks.
Updates #837
PiperOrigin-RevId: 270346582
Diffstat (limited to 'pkg/tcpip/link/sniffer')
| -rw-r--r-- | pkg/tcpip/link/sniffer/sniffer.go | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/pkg/tcpip/link/sniffer/sniffer.go b/pkg/tcpip/link/sniffer/sniffer.go index e7b6d7912..e401dce44 100644 --- a/pkg/tcpip/link/sniffer/sniffer.go +++ b/pkg/tcpip/link/sniffer/sniffer.go @@ -240,6 +240,9 @@ func (e *endpoint) WritePacket(r *stack.Route, gso *stack.GSO, hdr buffer.Prepen return e.lower.WritePacket(r, gso, hdr, payload, protocol) } +// Wait implements stack.LinkEndpoint.Wait. +func (*endpoint) Wait() {} + func logPacket(prefix string, protocol tcpip.NetworkProtocolNumber, b buffer.View, gso *stack.GSO) { // Figure out the network layer info. var transProto uint8 |