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Commit 77f763258441fb9ce71db084703b64608559211d

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Parents : 5e01346

Author : Mark Qvist <bc7291552be7a58f361522990465165c>

Date : 2026-08-24T20:52:23+02:00

Avoid extra epoll modifies when EPOLLOUT already set

Changes

1 files changed, 2 insertions(+), 1 deletions(-)

M RNS/Interfaces/BackboneInterface.py +2 -1

Diff

diff --git a/RNS/Interfaces/BackboneInterface.py b/RNS/Interfaces/BackboneInterface.py

index 27e22bb7..d503eea4 100644

--- a/RNS/Interfaces/BackboneInterface.py

+++ b/RNS/Interfaces/BackboneInterface.py

@@ -797,8 +797,9 @@ class BackboneClientInterface(Interface):

def process_outgoing(self, data):

if self.online and not self.detached:

try:

+ buffer_was_empty = len(self.transmit_buffer) == 0

self.transmit_buffer += bytes([HDLC.FLAG])+HDLC.escape(data)+bytes([HDLC.FLAG])

- BackboneInterface.tx_ready(self)

+ if buffer_was_empty: BackboneInterface.tx_ready(self)

except Exception as e:

RNS.log("Exception occurred while transmitting via "+str(self)+", tearing down interface", RNS.LOG_ERROR)