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1 #include <u.h>2 #include <libc.h>3 #include <venti.h>4 #include "queue.h"6 void7 vthangup(VtConn *z)8 {9 qlock(&z->lk);10 z->state = VtStateClosed;11 if(z->infd >= 0)12 close(z->infd);13 if(z->outfd >= 0 && z->outfd != z->infd)14 close(z->outfd);15 z->infd = -1;16 z->outfd = -1;17 if(z->writeq)18 _vtqhangup(z->writeq);19 if(z->readq)20 _vtqhangup(z->readq);21 qunlock(&z->lk);22 }