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-rw-r--r--include/xcb/xcbext.h195
1 files changed, 101 insertions, 94 deletions
diff --git a/include/xcb/xcbext.h b/include/xcb/xcbext.h
index 2e10ba203..8c3e39cb7 100644
--- a/include/xcb/xcbext.h
+++ b/include/xcb/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