xcb_sync_query_counter man page

xcb_sync_query_counter —

Synopsis

#include <xcb/sync.h>

Request function

xcb_sync_query_counter_cookie_t xcb_sync_query_counter(xcb_connection_t *conn, xcb_sync_counter_t counter);

Reply datastructure

typedef struct xcb_sync_query_counter_reply_t {
    uint8_t          response_type;
    uint8_t          pad0;
    uint16_t         sequence;
    uint32_t         length;
    xcb_sync_int64_t counter_value;
} xcb_sync_query_counter_reply_t;

Reply function

xcb_sync_query_counter_reply_t *xcb_sync_query_counter_reply(xcb_connection_t *conn, xcb_sync_query_counter_cookie_t cookie, xcb_generic_error_t **e);

Request Arguments

conn
The XCB connection to X11.
counter
TODO: NOT YET DOCUMENTED.

Reply Fields

response_type
The type of this reply, in this case XCB_SYNC_QUERY_COUNTER. This field is also present in the xcb_generic_reply_t and can be used to tell replies apart from each other.
sequence
The sequence number of the last request processed by the X11 server.
length
The length of the reply, in words (a word is 4 bytes).
counter_value
TODO: NOT YET DOCUMENTED.

Return Value

Returns an xcb_sync_query_counter_cookie_t. Errors have to be handled when calling the reply function xcb_sync_query_counter_reply.

If you want to handle errors in the event loop instead, use xcb_sync_query_counter_unchecked. See xcb-requests(3) for details.

Errors

This request does never generate any errors.

Author

Generated from sync.xml. Contact xcb@lists.freedesktop.org for corrections and improvements.

Referenced By

xcb_sync_query_counter_reply(3) and xcb_sync_query_counter_unchecked(3) are aliases of xcb_sync_query_counter(3).

libxcb 1.12 X Version 11 XCB Requests