@brief Test whether the connection has shut down due to a fatal error.
@param c: The connection.
@return > 0 if the connection is in an error state; 0 otherwise.
Some errors that occur in the context of an xcb_connection_t
are unrecoverable. When such an error occurs, the
connection is shut down and further operations on the
xcb_connection_t have no effect, but memory will not be freed until
xcb_disconnect() is called on the xcb_connection_t.
@return XCB_CONN_ERROR, because of socket errors, pipe errors or other stream errors.
@return XCB_CONN_CLOSED_EXT_NOTSUPPORTED, when extension not supported.
@return XCB_CONN_CLOSED_MEM_INSUFFICIENT, when memory not available.
@return XCB_CONN_CLOSED_REQ_LEN_EXCEED, exceeding request length that server accepts.
@return XCB_CONN_CLOSED_PARSE_ERR, error during parsing display string.
@return XCB_CONN_CLOSED_INVALID_SCREEN, because the server does not have a screen matching the display.
@brief Test whether the connection has shut down due to a fatal error. @param c: The connection. @return > 0 if the connection is in an error state; 0 otherwise.
Some errors that occur in the context of an xcb_connection_t are unrecoverable. When such an error occurs, the connection is shut down and further operations on the xcb_connection_t have no effect, but memory will not be freed until xcb_disconnect() is called on the xcb_connection_t.
@return XCB_CONN_ERROR, because of socket errors, pipe errors or other stream errors. @return XCB_CONN_CLOSED_EXT_NOTSUPPORTED, when extension not supported. @return XCB_CONN_CLOSED_MEM_INSUFFICIENT, when memory not available. @return XCB_CONN_CLOSED_REQ_LEN_EXCEED, exceeding request length that server accepts. @return XCB_CONN_CLOSED_PARSE_ERR, error during parsing display string. @return XCB_CONN_CLOSED_INVALID_SCREEN, because the server does not have a screen matching the display.