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| kernel:set-symbol-global-value-conditional symbol old new | [Function] |
Atomically compare symbol's global value to old and if eq then store new in symbol's global value cell. The original symbol value is returned.
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| kernel:set-symbol-global-value-conditional symbol old new | [Function] |
Atomically compare symbol's global value to old and if eq then store new in symbol's global value cell. The original symbol value is returned.