pub struct SignalGuard { /* private fields */ }Expand description
RAII guard that keeps the signal-listener tasks alive.
Created by install_signal_handlers. Dropping this guard aborts every
signal-listener task spawned during installation, stopping them from
forwarding further signal deliveries to the shutdown token.
Important: Tokio installs a process-wide OS signal handler for each
registered signal kind and that handler is not removed when the
listener is dropped. The OS does not revert to SIG_DFL after the
guard is dropped. What changes is that subsequent deliveries are no
longer forwarded to this guard’s shutdown token; any other active
tokio::signal listener in the process could still observe them. Keep
the guard alive for the entire lifetime of the server’s run loop to ensure
graceful-shutdown signals are processed by sqryd.
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Source§impl Debug for SignalGuard
impl Debug for SignalGuard
Auto Trait Implementations§
impl Freeze for SignalGuard
impl RefUnwindSafe for SignalGuard
impl Send for SignalGuard
impl Sync for SignalGuard
impl Unpin for SignalGuard
impl UnsafeUnpin for SignalGuard
impl UnwindSafe for SignalGuard
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