signals · signals/SIGPWR
SIGPWR
Power failure
Linux-specific signal sent by the init/systemd system when a power failure or UPS event is detected. Gives processes a chance to save state before shutdown. Not defined on BSD/macOS.
Linux-specific signal sent by the init/systemd system when a power failure or UPS event is detected. Gives processes a chance to save state before shutdown. Not defined on BSD/macOS.