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xcb_sync_query_fence(3) XCB Requests xcb_sync_query_fence(3)

xcb_sync_query_fence -

#include <xcb/sync.h>

xcb_sync_query_fence_cookie_t xcb_sync_query_fence(xcb_connection_t *conn, xcb_sync_fence_t fence);


typedef struct xcb_sync_query_fence_reply_t {
    uint8_t  response_type;
    uint8_t  pad0;
    uint16_t sequence;
    uint32_t length;
    uint8_t  triggered;
    uint8_t  pad1[23];
} xcb_sync_query_fence_reply_t;

xcb_sync_query_fence_reply_t *xcb_sync_query_fence_reply(xcb_connection_t *conn, xcb_sync_query_fence_cookie_t cookie, xcb_generic_error_t **e);

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

response_type
The type of this reply, in this case XCB_SYNC_QUERY_FENCE. 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).
triggered
TODO: NOT YET DOCUMENTED.

Returns an xcb_sync_query_fence_cookie_t. Errors have to be handled when calling the reply function xcb_sync_query_fence_reply.

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

This request does never generate any errors.

Generated from sync.xml. Contact xcb@lists.freedesktop.org for corrections and improvements.
libxcb 1.14 X Version 11

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