must be an integer.
Optional fourth arg RESTART non-nil means that this itimer should be
restarted automatically after its function is called. Normally an itimer
must be an integer.
Optional fourth arg RESTART non-nil means that this itimer should be
restarted automatically after its function is called. Normally an itimer
If non-nil RESTART should be a number indicating the value at which the
itimer should be set at restart time.
Optional fifth arg IS-IDLE specifies if this is an idle timer.
If non-nil RESTART should be a number indicating the value at which the
itimer should be set at restart time.
Optional fifth arg IS-IDLE specifies if this is an idle timer.