SessionChannel: check for EPOLLHUP on tty

This avoids one unnecessary read() system call.
CM4all · Oct 23, 2023 · 78ed118 · 78ed118
1 parent 94ff3d5
commit 78ed118
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Showing 2 changed files with 8 additions and 1 deletion.
diff --git a/libcommon b/libcommon
diff --git a/src/SessionChannel.cxx b/src/SessionChannel.cxx
@@ -252,6 +252,13 @@ SessionChannel::OnRequest(std::string_view request_type,
 void
 SessionChannel::OnTtyReady([[maybe_unused]] unsigned events) noexcept
 {
+	if (events == PipeEvent::HANGUP) {
+		tty.Close();
+		SendEof();
+		CloseIfInactive();
+		return;
+	}
+
 	std::byte buffer[4096];
 	std::span<std::byte> dest{buffer};