xserver libX11 libxcb update 1/12/2010

1 files changed, 101 insertions, 94 deletions

diff --git a/libxcb/src/xcbext.h b/libxcb/src/xcbext.h
index 2e10ba203..8c3e39cb7 100644
--- a/libxcb/src/xcbext.h
+++ b/libxcb/src/xcbext.h
@@ -1,94 +1,101 @@
-/*
- * Copyright (C) 2001-2004 Bart Massey and Jamey Sharp.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- * 
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- * 
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- * 
- * Except as contained in this notice, the names of the authors or their
- * institutions shall not be used in advertising or otherwise to promote the
- * sale, use or other dealings in this Software without prior written
- * authorization from the authors.
- */
-
-#ifndef __XCBEXT_H
-#define __XCBEXT_H
-
-#include "xcb.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/* xcb_ext.c */
-
-struct xcb_extension_t {
-    const char *name;
-    int global_id;
-};
-
-
-/* xcb_out.c */
-
-typedef struct {
-    size_t count;
-    xcb_extension_t *ext;
-    uint8_t opcode;
-    uint8_t isvoid;
-} xcb_protocol_request_t;
-
-enum xcb_send_request_flags_t {
-    XCB_REQUEST_CHECKED = 1 << 0,
-    XCB_REQUEST_RAW = 1 << 1,
-    XCB_REQUEST_DISCARD_REPLY = 1 << 2
-};
-
-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 */
-
-void *xcb_wait_for_reply(xcb_connection_t *c, unsigned int request, xcb_generic_error_t **e);
-int xcb_poll_for_reply(xcb_connection_t *c, unsigned int request, void **reply, xcb_generic_error_t **error);
-
-
-/* xcb_util.c */
-
-int xcb_popcount(uint32_t mask);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif
+/*

+ * Copyright (C) 2001-2004 Bart Massey and Jamey Sharp.

+ * All Rights Reserved.

+ *

+ * Permission is hereby granted, free of charge, to any person obtaining a

+ * copy of this software and associated documentation files (the "Software"),

+ * to deal in the Software without restriction, including without limitation

+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,

+ * and/or sell copies of the Software, and to permit persons to whom the

+ * Software is furnished to do so, subject to the following conditions:

+ * 

+ * The above copyright notice and this permission notice shall be included in

+ * all copies or substantial portions of the Software.

+ * 

+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

+ * AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN

+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN

+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

+ * 

+ * Except as contained in this notice, the names of the authors or their

+ * institutions shall not be used in advertising or otherwise to promote the

+ * sale, use or other dealings in this Software without prior written

+ * authorization from the authors.

+ */

+

+#ifndef __XCBEXT_H

+#define __XCBEXT_H

+

+#include "xcb.h"

+

+#ifdef __cplusplus

+extern "C" {

+#endif

+

+/* xcb_ext.c */

+

+struct xcb_extension_t {

+    const char *name;

+    int global_id;

+};

+

+

+/* xcb_out.c */

+

+typedef struct {

+    size_t count;

+    xcb_extension_t *ext;

+    uint8_t opcode;

+    uint8_t isvoid;

+} xcb_protocol_request_t;

+

+enum xcb_send_request_flags_t {

+    XCB_REQUEST_CHECKED = 1 << 0,

+    XCB_REQUEST_RAW = 1 << 1,

+    XCB_REQUEST_DISCARD_REPLY = 1 << 2

+};

+

+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 and flushes any output queues if appropriate.

+ * If you are sending requests which won't cause a reply, please note the

+ * comment for xcb_writev which explains some sequence number wrap issues.

+ * */

+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.

+ * You have to make sure that xcb can detect sequence number wraps correctly.

+ * This means that the first request you send after xcb_take_socket must cause a

+ * reply (e.g. just insert a GetInputFocus request). After every (1 << 16) - 1

+ * requests without a reply, you have to insert a request which will cause a

+ * reply. You can again use GetInputFocus for this. You do not have to wait for

+ * any of the GetInputFocus replies, but can instead handle them via

+ * xcb_discard_reply(). */

+int xcb_writev(xcb_connection_t *c, struct iovec *vector, int count, uint64_t requests);

+

+

+/* xcb_in.c */

+

+void *xcb_wait_for_reply(xcb_connection_t *c, unsigned int request, xcb_generic_error_t **e);

+int xcb_poll_for_reply(xcb_connection_t *c, unsigned int request, void **reply, xcb_generic_error_t **error);

+

+

+/* xcb_util.c */

+

+int xcb_popcount(uint32_t mask);

+

+#ifdef __cplusplus

+}

+#endif

+

+#endif