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xcb_present_query_capabilities
Section: XCB Requests (3)Updated: libxcb 1.12
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NAME
xcb_present_query_capabilities -SYNOPSIS
#include <xcb/present.h>Request function
- xcb_present_query_capabilities_cookie_t xcb_present_query_capabilities(xcb_connection_t *conn, uint32_t target);
Reply datastructure
typedef struct xcb_present_query_capabilities_reply_t {
uint8_t response_type;
uint8_t pad0;
uint16_t sequence;
uint32_t length;
uint32_t capabilities;
} xcb_present_query_capabilities_reply_t;
Reply function
- xcb_present_query_capabilities_reply_t *xcb_present_query_capabilities_reply(xcb_connection_t *conn, xcb_present_query_capabilities_cookie_t cookie, xcb_generic_error_t **e);
REQUEST ARGUMENTS
- conn
- The XCB connection to X11.
- target
- TODO: NOT YET DOCUMENTED.
REPLY FIELDS
- response_type
- The type of this reply, in this case XCB_PRESENT_QUERY_CAPABILITIES. 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).
- capabilities
- TODO: NOT YET DOCUMENTED.
DESCRIPTION
RETURN VALUE
Returns an xcb_present_query_capabilities_cookie_t. Errors have to be handled when calling the reply function xcb_present_query_capabilities_reply.If you want to handle errors in the event loop instead, use xcb_present_query_capabilities_unchecked. See xcb-requests(3) for details.