franz1981 commented on pull request #1349:
URL: https://github.com/apache/qpid-dispatch/pull/1349#issuecomment-904658440
@kgiusti Unrelated to this change, but it would be nice to have some flag
that record the state of router thread (waiting/parked/sleeping or not) and
save signaling to happen if core is already processing something.
The logic would be:
WORKER THREAD:
signal = false
lock
add action
if (core is sleeping)
signal = true
unlock
if signal
signal()
Core thread side we just need to mark core->sleeping right before going to
sleep and it's done.
This is going to save many signaling (and talking with kernel just to
inspect the state of the core thread, that's something we already know in
user-space!).
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