server: Return STATUS_CANT_WAIT/WSAEWOULDBLOCK for non-overlapped…

server: Return STATUS_CANT_WAIT/WSAEWOULDBLOCK for non-overlapped SIO_ADDRESS_LIST_CHANGE requests on non-blocking sockets. Signed-off-by: Erich E. Hoover <erich.e.hoover@wine-staging.com>

server: Return STATUS_CANT_WAIT/WSAEWOULDBLOCK for non-overlapped…
dfa73ca6 · Erich E. Hoover · Alexandre Julliard · 00d966cd · dfa73ca6
Commit dfa73ca6 authored Feb 20, 2015 by Erich E. Hoover Committed by Alexandre Julliard Oct 02, 2015
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sock.c server/sock.c +5 -0

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--- a/server/sock.c
+++ b/server/sock.c
@@ -546,6 +546,11 @@ obj_handle_t sock_ioctl( struct fd *fd, ioctl_code_t code, const async_data_t *a
    switch(code)
    {
    case WS_SIO_ADDRESS_LIST_CHANGE:
+        if ((sock->state & FD_WINE_NONBLOCKING) && !blocking)
+        {
+            set_error( STATUS_CANT_WAIT );
+            return 0;
+        }
        if (!(ifchange_q = sock_get_ifchange_q( sock ))) return 0;
        if (!(async = create_async( current, ifchange_q, async_data ))) return 0;
        if (blocking) wait_handle = alloc_handle( current->process, async, SYNCHRONIZE, 0 );