tavoid double lock (lucho ionkov) - plan9port - [fork] Plan 9 from user space
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       ---
 (DIR) commit 90a356572cc47a20e6ef6044c7f14167ab9edd9a
 (DIR) parent 90a99688be7fd813273e1f1f28ba8fa34cb9dc44
 (HTM) Author: rsc <devnull@localhost>
       Date:   Wed, 19 Apr 2006 22:04:00 +0000
       
       avoid double lock (lucho ionkov)
       
       Diffstat:
         M src/lib9p/req.c                     |       4 ++--
         M src/lib9p/srv.c                     |       4 +++-
       
       2 files changed, 5 insertions(+), 3 deletions(-)
       ---
 (DIR) diff --git a/src/lib9p/req.c b/src/lib9p/req.c
       t@@ -84,8 +84,8 @@ if(chatty9p > 1)
                                closefid(r->afid);
                        if(r->oldreq)
                                closereq(r->oldreq);
       -                for(i=0; i<r->nflush; i++)
       -                        respond(r->flush[i], nil);
       +                if(r->nflush)
       +                        fprint(2, "closereq: flushes remaining\n");
                        free(r->flush);
                        switch(r->ifcall.type){
                        case Tstat:
 (DIR) diff --git a/src/lib9p/srv.c b/src/lib9p/srv.c
       t@@ -856,8 +856,10 @@ if(chatty9p)
        free:
                qlock(&r->lk);        /* no one will add flushes now */
        
       -        for(i=0; i<r->nflush; i++)
       +        for(i=0; i<r->nflush; i++){
       +                r->flush[i]->oldreq = nil;        /* so it doesn't try to lock us! */
                        respond(r->flush[i], nil);
       +        }
                free(r->flush);
                r->nflush = 0;
                r->flush = nil;