Re: [Qemu-devel] [PATCH 2/4] qemu-socket: set passed fd non-blocking in socket_connect()

[Eric Blake <eblake@redhat.com>]

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On 03/26/2013 10:07 AM, Stefan Hajnoczi wrote:
> socket_connect() sets non-blocking on TCP or UNIX domain sockets if a
> callback function is passed.  Do the same for file descriptor passing,
> otherwise we could unexpectedly be using a blocking file descriptor.
> 
> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
> ---
>  util/qemu-sockets.c | 1 +
>  1 file changed, 1 insertion(+)
> 

Reviewed-by: Eric Blake <eblake@redhat.com>

> diff --git a/util/qemu-sockets.c b/util/qemu-sockets.c
> index b6b78f5..298f6f2 100644
> --- a/util/qemu-sockets.c
> +++ b/util/qemu-sockets.c
> @@ -910,6 +910,7 @@ int socket_connect(SocketAddress *addr, Error **errp,
>      case SOCKET_ADDRESS_KIND_FD:
>          fd = monitor_get_fd(cur_mon, addr->fd->str, errp);
>          if (callback) {
> +            socket_set_nonblock(fd);
>              callback(fd, opaque);
>          }
>          break;
> 

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org


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