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Diffstat (limited to 'device/device.go')
-rw-r--r--device/device.go6
1 files changed, 4 insertions, 2 deletions
diff --git a/device/device.go b/device/device.go
index 99f5e60..e7d70c4 100644
--- a/device/device.go
+++ b/device/device.go
@@ -49,8 +49,9 @@ type Device struct {
}
peers struct {
- sync.RWMutex
- keyMap map[NoisePublicKey]*Peer
+ empty AtomicBool // empty reports whether len(keyMap) == 0
+ sync.RWMutex // protects keyMap
+ keyMap map[NoisePublicKey]*Peer
}
// unprotected / "self-synchronising resources"
@@ -129,6 +130,7 @@ func unsafeRemovePeer(device *Device, peer *Peer, key NoisePublicKey) {
// remove from peer map
delete(device.peers.keyMap, key)
+ device.peers.empty.Set(len(device.peers.keyMap) == 0)
}
func deviceUpdateState(device *Device) {