[Pick][0.8 to 0.9] | make thread_yield_to() less prone to starve threads (#982) (#993) #996

lihuiba merged 1 commit intorelease/0.9alibaba/PhotonLibOS:release/0.9from

auto-pr-f89bff543504e9759cc2b13dfbe8061c950325ea-0.9alibaba/PhotonLibOS:auto-pr-f89bff543504e9759cc2b13dfbe8061c950325ea-0.9Copy head branch name to clipboard