Open System Services System Calls Reference Manual (G06.28+, H06.05+)

select(2) OSS System Calls Reference Manual

• The errno value [ENETDOWN] can be returned.

• The errno value [ETHNOTRUNNING] can be returned.

• The time interval speciﬁed by the timeout parameter must meet these criteria:

— The maximum interval is 2**31 seconds plus 2**31 microseconds. If a value

greater than this is speciﬁed, the maximum is used instead.

— If a speciﬁed interval is not a whole multiple of 10 milliseconds, the next highest

whole multiple is used instead.

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