Function wait_for_interrupt 

pub fn wait_for_interrupt()

Available on crate feature unstable only.

Waits for an interrupt to occur.

Causes the current CPU core to execute its Wait For Interrupt (WFI or equivalent) instruction. After this call, the CPU core stops execution until an interrupt occurs.

Returns immediately when a debugger is attached; intended to be called in a loop.

Stability

This API is marked as unstable and is only available when the unstable crate feature is enabled. This comes with no stability guarantees, and could be changed or removed at any time.