[libvirt] [PATCH 3/4] rpc: Fix handling of non-blocking calls that could not be sent
Daniel P. Berrange
berrange at redhat.com
Tue Nov 22 19:32:52 UTC 2011
On Tue, Nov 22, 2011 at 04:32:33PM +0100, Jiri Denemark wrote:
> When virNetClientIOEventLoop is called for a non-blocking call and not
> even a single byte can be sent from this call without blocking, we
> properly reported that to the caller which properly frees the call. But
> we never removed the call from a call queue.
> ---
> src/rpc/virnetclient.c | 7 ++++++-
> 1 files changed, 6 insertions(+), 1 deletions(-)
>
> diff --git a/src/rpc/virnetclient.c b/src/rpc/virnetclient.c
> index 0effceb..c99e87c 100644
> --- a/src/rpc/virnetclient.c
> +++ b/src/rpc/virnetclient.c
> @@ -1256,7 +1256,12 @@ static int virNetClientIOEventLoop(virNetClientPtr client,
> /* We're not done, but we're non-blocking */
> if (thiscall->nonBlock) {
> virNetClientIOEventLoopPassTheBuck(client, thiscall);
> - return thiscall->sentSomeData ? 1 : 0;
> + if (thiscall->sentSomeData) {
> + return 1;
> + } else {
> + virNetClientCallRemove(&client->waitDispatch, thiscall);
> + return 0;
> + }
> }
>
> if (fds[0].revents & (POLLHUP | POLLERR)) {
ACK
Daniel
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