Function siglus_pump_step 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn siglus_pump_step(
    handle: *mut SiglusPumpHandle,
    timeout_ms: u32,
) -> i32

Pump pending events and return the host status.

Safety

If non-null, handle must be a live pointer returned by siglus_pump_create. Call on the thread that created it, with exclusive access to the handle for the entire call, including during callbacks.