[client] fix double declaration of variable

[client] correct queue empty reporting

[client] fix typo

[client] ensure the msgTimeout is always incrementing

[all] fixed packing for real this time :)

[all] fix msvc build (take 4)

[all] adjust packaing for cache line alignment

[client] add lgmpSleepMs as MSVC doesn't have usleep

[all] try to fix invalid udata under MSVC

[dump/test] update to function with the new constraints

[client] spin up to 500ms while checking the host timer

[client] fix build under MSVC

[host] fix compilation under MSVC

[all] improve prefetching

[all] reshape headers for better cache-line isolation