# Functions
NewFDSet creates a set of file descriptors suitable for a Select call.
Select performs a select system call, file descriptors in the rd set are tested for read-events, file descriptors in the wd set are tested for write-events and file descriptors in the er set are tested for error-events.
# Structs
FDResultSets contains the result of a Select operation.
FDSet is a set of file descriptors suitable for a select call.
Pipe represents a unix-pipe.