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Re: [libvirt] [PATCH] daemon: Unlink unix socket paths on shutdown

于 2011年08月01日 22:28, Eric Blake 写道:
On 08/01/2011 08:38 AM, Osier Yang wrote:
+++ b/src/rpc/virnetsocket.c
@@ -1222,3 +1222,19 @@ void virNetSocketRemoveIOCallback(virNetSocketPtr sock)

+void virNetSocketClose(virNetSocketPtr sock)
Can this be called on more than one cleanup path?  If so,

+    if (!sock)
+        return;
+    VIR_FORCE_CLOSE(sock->fd);
+#ifdef HAVE_SYS_UN_H
+    /* If a server socket, then unlink UNIX path */
+    if (!sock->client&&
+        sock->localAddr.data.sa.sa_family == AF_UNIX&&
+        sock->localAddr.data.un.sun_path[0] != '\0')
+        unlink(sock->localAddr.data.un.sun_path);
you should clear out sock->localAddr.data.un.sun_path after unlinking
the file, so that the next caller doesn't try to unlink a missing file.

Also, this probably needs locking.

I think it will not only used for the shutdown cleanup, so updated
the patch to clear out sock->localAddr.data.un.sub_path.


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