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authorFlorin Coras <fcoras@cisco.com>2019-05-02 12:52:19 -0700
committerDave Barach <openvpp@barachs.net>2019-05-03 20:20:42 +0000
commita7570b0378b071129937a89a5632011a962cdb43 (patch)
treec5d33ab51e937ca32dd75fcd0a2211060739fe83 /extras
parent4681e07a02c2e1681048c4e3a018433c055a91b1 (diff)
svm: basic support for fifo shrinking
As opposed to growing, this is not a bulk operation, instead dependent on how the producer/consumer advance head and tail, the fifo will shrink in one or multiple steps. Only once the fifo's nitems and size are reduced to their appropriate values, equal or larger to what was requested, can the fifo chunks be collected by the owner. Chunk collection must be done with the segment heap pushed. Change-Id: Iae407ccf48d85320aa3c1e0304df56c5972c88c1 Signed-off-by: Florin Coras <fcoras@cisco.com>
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