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[Xen-devel] [PATCH] ioemu: config cleanup re AF_UNIX sockets on non-Windows

This patch was submitted upstream to qemu but has not yet been
accepted or rejected there.  This change ought probably to be made to
xen-unstable now to help support stub domains.

Here is what I wrote in my submission to qemu upstream:

 The patch below makes it possible to disable AF_UNIX (unix-domain)
 sockets in host environments which do not define _WIN32, by adding
 -DNO_UNIX_SOCKETS to the compiler flags.  This is useful in the
 effectively-embedded qemu host which are going to be using for device
 emulation in Xen.

Note that the change I submit below does _not_ engage this change for

The patch should be applied with
 cd tools/ioemu/
 patch -p0 <.../qemu-allow-no-unix-sockets.patch


Signed-off-by: Ian Jackson <ian.jackson@xxxxxxxxxxxxx>

Index: qemu_socket.h
RCS file: /sources/qemu/qemu/qemu_socket.h,v
retrieving revision 1.3
diff -u -r1.3 qemu_socket.h
--- qemu_socket.h       17 Dec 2007 04:42:28 -0000      1.3
+++ qemu_socket.h       25 Jan 2008 14:40:19 -0000
@@ -14,12 +14,19 @@
 #define EINTR       WSAEINTR
+#define NO_UNIX_SOCKETS 1
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <netinet/tcp.h>
 #include <sys/un.h>
 #define socket_error() errno
 #define closesocket(s) close(s)
Index: vl.c
RCS file: /sources/qemu/qemu/vl.c,v
retrieving revision 1.401
diff -u -r1.401 vl.c
--- vl.c        23 Jan 2008 19:01:12 -0000      1.401
+++ vl.c        25 Jan 2008 14:40:23 -0000
@@ -3600,7 +3600,7 @@
     return 0;
-#ifndef _WIN32
 static int parse_unix_path(struct sockaddr_un *uaddr, const char *str)
     const char *p;
Index: vnc.c
RCS file: /sources/qemu/qemu/vnc.c,v
retrieving revision 1.33
diff -u -r1.33 vnc.c
--- vnc.c       14 Jan 2008 21:45:55 -0000      1.33
+++ vnc.c       25 Jan 2008 14:40:24 -0000
@@ -2179,7 +2179,7 @@
-#ifndef _WIN32
     if (strstart(display, "unix:", &p)) {
        addr = (struct sockaddr *)&uaddr;
        addrlen = sizeof(uaddr);
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