xcb_sync_query_fence(3) XCB Requests xcb_sync_query_fence(3)
NAME
xcb_sync_query_fence -
SYNOPSIS
#include <xcb/sync.h> Request function
xcb_sync_query_fence_cookie_t
xcb_sync_query_fence(xcb_connection_t *
conn,
xcb_sync_fence_t
fence);
Reply datastructure
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;
Reply function
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);
REQUEST ARGUMENTS
conn The XCB connection to X11.
fence TODO: NOT YET DOCUMENTED.
REPLY FIELDS
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.
DESCRIPTION
RETURN VALUE
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.
ERRORS
This request does never generate any errors.
SEE ALSO
AUTHOR
Generated from sync.xml. Contact xcb@lists.freedesktop.org for
corrections and improvements.
X Version 11 libxcb 1.16.1 xcb_sync_query_fence(3)
