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timeout

1984 Version of ANSI Standard

3.5.6 Timeout

The OPEN, LOCK, and READ commands employ an optional timeout specification, associated with the testing of an external condition.

    timeout::= : numexpr

See also the transition diagram for timeout.

If the optional timeout is absent, the command will proceed if the condition, associated with the definition of the command, is satisfied; otherwise, it will wait until the condition is satisfied and then proceeed.

$T will not be altered if the timeout is absent.

If the optional timeout is present, the value of numexpr must be nonnegative. If it is negative, the value 0 is used. numexpr denotes a t-second timeout, where t is the value of numexpr.

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Copyright © Annotations: 2008-2024 Ed de Moel.

This page most recently updated on 28-Nov-2011, 21:33:04.

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