[4.0 -> main] Use block_num for interrupt of start_block & Use single timer for read and write windows #910
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Signal received block with the block number so that
start_block
can be interrupted even if the block is received before the start ofstart_block
. This is particularly important for #867, but also useful as mitigation against race condition of receiving block right before start of the block in current implementation. See #648.Includes PR: Use a single timer for read and write windows
Read window and write window run exclusively with each other; they do not run at the same time. A single timer is sufficient to control them and makes code simpler.
Merges #893 & #908 & #905 into
main
.See #824 for #905
Resolves #891