a28bdd3e1f
using a shared reply queue and a pool of worker procs does result in replies to be send out of order under some conditions. the symptoms are mnt errors when interrupting requests (Rflush arriving before the original requests response). this change gives each connection its own reply queue and its own srvo process. so now a connection consists of one reply queue, a srvi process reading the connections file descriptor and a srvo process reading the reply queue and writng replies to the connections file descriptor. the srvi processes live as long as the connection is established. the srvo prcoesses live forever and are attached to the chan (which gets reused). to avoid excessive process creation, we limit the number of connections to 30. srvchan() returns nil when all 30 network channels are in use. |
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