IABSD.fr/xenocara/dist/libxcb/src/xcbext.h

Branch : - branch - master - tag -

• Show log

  Commit

• Author : matthieu
  Date : 2009-05-22 15:55:46
  Hash : 65b2c831
  Message : import libxcb 1.2

• dist/libxcb/src/xcbext.h

• /*
   * Copyright (C) 2001-2004 Bart Massey and Jamey Sharp.
   * All Rights Reserved.
   *
   * Permission is hereby granted, free of charge, to any person obtaining a
   * copy of this software and associated documentation files (the "Software"),
   * to deal in the Software without restriction, including without limitation
   * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   * and/or sell copies of the Software, and to permit persons to whom the
   * Software is furnished to do so, subject to the following conditions:
   * 
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   * 
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
   * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   * 
   * Except as contained in this notice, the names of the authors or their
   * institutions shall not be used in advertising or otherwise to promote the
   * sale, use or other dealings in this Software without prior written
   * authorization from the authors.
   */
  
  #ifndef __XCBEXT_H
  #define __XCBEXT_H
  
  #include "xcb.h"
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  /* xcb_ext.c */
  
  struct xcb_extension_t {
      const char *name;
      int global_id;
  };
  
  
  /* xcb_out.c */
  
  typedef struct {
      size_t count;
      xcb_extension_t *ext;
      uint8_t opcode;
      uint8_t isvoid;
  } xcb_protocol_request_t;
  
  enum xcb_send_request_flags_t {
      XCB_REQUEST_CHECKED = 1 << 0,
      XCB_REQUEST_RAW = 1 << 1,
      XCB_REQUEST_DISCARD_REPLY = 1 << 2
  };
  
  unsigned int xcb_send_request(xcb_connection_t *c, int flags, struct iovec *vector, const xcb_protocol_request_t *request);
  
  /* xcb_take_socket allows external code to ask XCB for permission to
   * take over the write side of the socket and send raw data with
   * xcb_writev. xcb_take_socket provides the sequence number of the last
   * request XCB sent. The caller of xcb_take_socket must supply a
   * callback which XCB can call when it wants the write side of the
   * socket back to make a request. This callback synchronizes with the
   * external socket owner, flushes any output queues if appropriate, and
   * then returns the sequence number of the last request sent over the
   * socket. */
  int xcb_take_socket(xcb_connection_t *c, void (*return_socket)(void *closure), void *closure, int flags, uint64_t *sent);
  
  /* You must own the write-side of the socket (you've called
   * xcb_take_socket, and haven't returned from return_socket yet) to call
   * xcb_writev. Also, the iovec must have at least 1 byte of data in it.
   * */
  int xcb_writev(xcb_connection_t *c, struct iovec *vector, int count, uint64_t requests);
  
  
  /* xcb_in.c */
  
  void *xcb_wait_for_reply(xcb_connection_t *c, unsigned int request, xcb_generic_error_t **e);
  int xcb_poll_for_reply(xcb_connection_t *c, unsigned int request, void **reply, xcb_generic_error_t **error);
  
  
  /* xcb_util.c */
  
  int xcb_popcount(uint32_t mask);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif