Re: [Qemu-devel] [PATCH 21/23] migration: Don't use callback on file defining it

[Anthony Liguori <anthony@codemonkey.ws>]

On 09/23/2011 07:57 AM, Juan Quintela wrote:
> Signed-off-by: Juan Quintela<quintela@redhat.com>

I don't think this is better.  It just eliminates the possibility of having 
useful trace points in get_error.

Regards,

Anthony Liguori

> ---
>   migration-tcp.c  |    4 ++--
>   migration-unix.c |    6 +++---
>   2 files changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/migration-tcp.c b/migration-tcp.c
> index f6b2288..bd3aa3a 100644
> --- a/migration-tcp.c
> +++ b/migration-tcp.c
> @@ -58,7 +58,7 @@ static void tcp_wait_for_connect(void *opaque)
>       DPRINTF("connect completed\n");
>       do {
>           ret = getsockopt(s->fd, SOL_SOCKET, SO_ERROR, (void *)&val,&valsize);
> -    } while (ret == -1&&  (s->get_error(s)) == EINTR);
> +    } while (ret == -1&&  (socket_error()) == EINTR);
>
>       if (ret<  0) {
>           migrate_fd_error(s);
> @@ -98,7 +98,7 @@ int tcp_start_outgoing_migration(MigrationState *s, const char *host_port)
>       do {
>           ret = connect(s->fd, (struct sockaddr *)&addr, sizeof(addr));
>           if (ret == -1)
> -            ret = -(s->get_error(s));
> +            ret = -(socket_error());
>
>           if (ret == -EINPROGRESS || ret == -EWOULDBLOCK)
>               qemu_set_fd_handler2(s->fd, NULL, NULL, tcp_wait_for_connect, s);
> diff --git a/migration-unix.c b/migration-unix.c
> index d6f315a..7205b25 100644
> --- a/migration-unix.c
> +++ b/migration-unix.c
> @@ -57,7 +57,7 @@ static void unix_wait_for_connect(void *opaque)
>       DPRINTF("connect completed\n");
>       do {
>           ret = getsockopt(s->fd, SOL_SOCKET, SO_ERROR, (void *)&val,&valsize);
> -    } while (ret == -1&&  (s->get_error(s)) == EINTR);
> +    } while (ret == -1&&  errno == EINTR);
>
>       if (ret<  0) {
>           migrate_fd_error(s);
> @@ -97,7 +97,7 @@ int unix_start_outgoing_migration(MigrationState *s, const char *path)
>       do {
>           ret = connect(s->fd, (struct sockaddr *)&addr, sizeof(addr));
>           if (ret == -1)
> -	    ret = -(s->get_error(s));
> +            ret = -errno;
>
>           if (ret == -EINPROGRESS || ret == -EWOULDBLOCK)
>   	    qemu_set_fd_handler2(s->fd, NULL, NULL, unix_wait_for_connect, s);
> @@ -130,7 +130,7 @@ static void unix_accept_incoming_migration(void *opaque)
>
>       do {
>           c = qemu_accept(s, (struct sockaddr *)&addr,&addrlen);
> -    } while (c == -1&&  socket_error() == EINTR);
> +    } while (c == -1&&  errno == EINTR);
>
>       DPRINTF("accepted migration\n");
>