Allow Cache to return a single block
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In some cases it is valuable for the block cache to be used without `spin`. We expose `next_block` to return a `Block` reference as soon as one is available, blocking the callers meanwhile. Signed-off-by: Brian L. Troutwine <[email protected]>
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What does this PR do?
In some cases it is valuable for the block cache to be used without
spin.We expose
next_blockto return aBlockreference as soon as one isavailable, blocking the callers meanwhile.
Motivation
Allow single-threaded applications to read from a block cache.
Ref:
https://datadoghq.atlassian.net/browse/SMPTNG-513