Re: [Qemu-devel] [PATCH] slirp: Port redirection option behave differently on Linux and Windows

[Stefan Weil <sw@weilnetz.de>]

Am 13.08.2013 22:00, schrieb Taimoor:
> From: Taimoor Mirza <tmirza@codesourcery.com>
>
> port redirection code uses SO_REUSEADDR socket option before binding to
> host port. Behavior of SO_REUSEADDR is different on Windows and Linux.
> Relaunching QEMU with same host and guest port redirection values on Linux
> throws error but on Windows it does not throw any error.
> Problem is discussed in http://lists.gnu.org/archive/html/qemu-devel/2013-04/msg03089.html
>
> Signed-off-by: Taimoor Mirza <tmirza@codesourcery.com>
> ---
>  slirp/socket.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
>
> diff --git a/slirp/socket.c b/slirp/socket.c
> index 8e8819c..23780b3 100644
> --- a/slirp/socket.c
> +++ b/slirp/socket.c
> @@ -627,7 +627,9 @@ tcp_listen(Slirp *slirp, uint32_t haddr, u_int hport, uint32_t laddr,
>  	addr.sin_port = hport;
>  
>  	if (((s = qemu_socket(AF_INET,SOCK_STREAM,0)) < 0) ||
> +#ifdef _WIN32

Shouldn't this be replaced by #ifndef _WIN32?

>  	    (qemu_setsockopt(s, SOL_SOCKET, SO_REUSEADDR, &opt, sizeof(int)) < 0) ||
> +#endif
>  	    (bind(s,(struct sockaddr *)&addr, sizeof(addr)) < 0) ||
>  	    (listen(s,1) < 0)) {
>  		int tmperrno = errno; /* Don't clobber the real reason we failed */