plan9port

commit 90a356572cc47a20e6ef6044c7f14167ab9edd9a
parent 90a99688be7fd813273e1f1f28ba8fa34cb9dc44
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(-)
diff --git a/src/lib9p/req.c b/src/lib9p/req.c
@@ -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:
diff --git a/src/lib9p/srv.c b/src/lib9p/srv.c
@@ -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;