svn merge file:///D:/svnrepos/vcxsrv/branches/released .

1 files changed, 19 insertions, 0 deletions

diff --git a/libxcb/src/xcbext.h b/libxcb/src/xcbext.h
index 01dd59015..ea5a2d355 100644
--- a/libxcb/src/xcbext.h
+++ b/libxcb/src/xcbext.h
@@ -28,6 +28,8 @@
 #ifndef __XCBEXT_H
 #define __XCBEXT_H
 
+#include <unistd.h>
+
 #include "xcb.h"
 
 #ifdef __cplusplus
@@ -59,6 +61,23 @@ enum xcb_send_request_flags_t {
 
 unsigned int xcb_send_request(xcb_connection_t *c, int flags, struct iovec *vector, const xcb_protocol_request_t *request);
 
+/* xcb_take_socket allows external code to ask XCB for permission to
+ * take over the write side of the socket and send raw data with
+ * xcb_writev. xcb_take_socket provides the sequence number of the last
+ * request XCB sent. The caller of xcb_take_socket must supply a
+ * callback which XCB can call when it wants the write side of the
+ * socket back to make a request. This callback synchronizes with the
+ * external socket owner, flushes any output queues if appropriate, and
+ * then returns the sequence number of the last request sent over the
+ * socket. */
+int xcb_take_socket(xcb_connection_t *c, void (*return_socket)(void *closure), void *closure, int flags, uint64_t *sent);
+
+/* You must own the write-side of the socket (you've called
+ * xcb_take_socket, and haven't returned from return_socket yet) to call
+ * xcb_writev. Also, the iovec must have at least 1 byte of data in it.
+ * */
+int xcb_writev(xcb_connection_t *c, struct iovec *vector, int count, uint64_t requests);
+
 
 /* xcb_in.c */