From 705605f9011cfbd58f407ca84bc4c2d8cf39d80b Mon Sep 17 00:00:00 2001 From: Kevin Krakauer Date: Tue, 22 May 2018 13:46:37 -0700 Subject: sentry: Add simple SIOCGIFFLAGS support (IFF_RUNNING and IFF_PROMIS). Establishes a way of communicating interface flags between netstack and epsocket. More flags can be added over time. PiperOrigin-RevId: 197616669 Change-Id: I230448c5fb5b7d2e8d69b41a451eb4e1096a0e30 --- pkg/tcpip/link/sharedmem/sharedmem.go | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'pkg/tcpip/link/sharedmem') diff --git a/pkg/tcpip/link/sharedmem/sharedmem.go b/pkg/tcpip/link/sharedmem/sharedmem.go index 2c0f1b294..5369ebc68 100644 --- a/pkg/tcpip/link/sharedmem/sharedmem.go +++ b/pkg/tcpip/link/sharedmem/sharedmem.go @@ -137,6 +137,13 @@ func (e *endpoint) Attach(dispatcher stack.NetworkDispatcher) { e.mu.Unlock() } +// IsAttached implements stack.LinkEndpoint.IsAttached. +func (e *endpoint) IsAttached() bool { + e.mu.Lock() + defer e.mu.Unlock() + return e.workerStarted +} + // MTU implements stack.LinkEndpoint.MTU. It returns the value initialized // during construction. func (e *endpoint) MTU() uint32 { -- cgit v1.2.3