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is not null then hi_water must exceed lo_water and both must be > 0. Now requires hi_water >= lo_water, and they can both be 0. Not allowing them to be equal was just an unnecessary restriction, and letting them be 0 is useful for the case where the context has had non-zero values set, went over hi_water and called the callback, and then wanted to remove limits (perhaps because of a reconfiguration). This allows the callback to be signaled as ISC_MEM_LOWATER on the next isc_mem_put(), which the caller might need to terminate any outstanding action that was triggered by the hi_water. |
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| Makefile.in | ||