The plain-English version
Code invoked in response to a hardware or software event through an interrupt mechanism.
Why it matters
It can react promptly while requiring careful interaction with ordinary program flow.
Let’s make it click
A minimal handler records that an input event occurred for later processing.
Vibe Bro’s heads-up
Long or blocking work inside a handler can disrupt timing; understand the platform's rules and synchronize shared state appropriately.
The docs behind it
Documentation links checked .
Editorial review · October 28, 2026
Supported: Interrupt handlers require platform-appropriate short/nonblocking work and shared-state coordination.