barrier-change-count

barrier-change-count Function

Summary

Changes the count of a barrier.

Package

Signature

barrier-change-count barrier new-count => result

Arguments

`barrier`⇩	A barrier.
`new-count`⇩	A positive fixnum, or `t` meaning most-positive-fixnum.

Values

result

A boolean.

Description

The function barrier-change-count changes the count of the barrier barrier to new-count.

If barrier is enabled and the arriver count is less than new-count, this just sets the count of barrier to new-count and returns t. Otherwise, it calls:

(barrier-unblock barrier :reset-count new-count)

and returns nil.