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vmm: Only warn on error when setting up SIGWINCH handler

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Setting up the SIGWINCH handler requires at least Linux 5.7. However
this functionality is not required for basic PTY operation.

Fixes: #3456

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2021-12-14 10:39:36 +00:00 committed by Sebastien Boeuf
parent df21e15148
commit afe386bc13
1 changed files with 8 additions and 3 deletions
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11
vmm/src/device_manager.rs
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@ -1712,9 +1712,14 @@ impl DeviceManager {
let seccomp_filter =
get_seccomp_filter(&self.seccomp_action, Thread::PtyForeground).unwrap();
let pipe = start_sigwinch_listener(seccomp_filter, pty)?;
self.console_resize_pipe = Some(Arc::new(pipe));
match start_sigwinch_listener(seccomp_filter, pty) {
Ok(pipe) => {
self.console_resize_pipe = Some(Arc::new(pipe));
}
Err(e) => {
warn!("Ignoring error from setting up SIGWINCH listener: {}", e)
}
}
Ok(())
}