LispWorks User Guide and Reference Manual > 40 The SYSTEM Package

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memory-growth-margin

Function
Summary

Returns the difference between the top of the Lisp heap and a maximum memory limit in 32-bit LispWorks.

Package

system

Signature

memory-growth-margin => result

Values

result

An integer address, or nil .

Description

If a limit on the maximum memory has been set by set-maximum-memory , then memory-growth-margin returns the difference between the current top of the Lisp heap and that limit. That is, the amount by which the heap can grow.

Otherwise memory-growth-margin returns nil . This is the default behavior.

Note: memory-growth-margin is implemented only in 32-bit LispWorks. It is not relevant to the Memory Management API in 64-bit implementations.

See also

set-maximum-memory


LispWorks User Guide and Reference Manual - 22 Dec 2009

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