UnixFdSourceFunc
The type of functions to be called when a UNIX fd watch source triggers.
param
fd
the fd that triggered the eventparam
condition
the IO conditions reported on @fdreturn false if the source should be removed
The type of functions to be called when a UNIX fd watch source triggers.
param fd
the fd that triggered the event
param condition
the IO conditions reported on @fd
return false if the source should be removed