123 lines
3.6 KiB
C
123 lines
3.6 KiB
C
/*
|
|
* Copyright (C) 2008 Julien Danjou <julien@danjou.info>
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
/**
|
|
* @defgroup xcb__reply_t XCB Reply Functions
|
|
*
|
|
* These functions ease the usage of asynchronous possibility of XCB about
|
|
* the reply retrieve of sent requests.
|
|
*
|
|
* @{
|
|
*/
|
|
|
|
#ifndef __XCB_REPLY_H__
|
|
#define __XCB_REPLY_H__
|
|
|
|
#include <xcb/xcb.h>
|
|
#include <pthread.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
typedef void (*xcb_generic_reply_handler_t)(void *data, xcb_connection_t *c, xcb_generic_reply_t *reply, xcb_generic_error_t *error);
|
|
|
|
struct xcb_reply_node
|
|
{
|
|
struct xcb_reply_node *next;
|
|
unsigned int request;
|
|
xcb_generic_reply_handler_t handler;
|
|
void *data;
|
|
char handled;
|
|
};
|
|
|
|
struct xcb_reply_handlers
|
|
{
|
|
pthread_mutex_t lock;
|
|
pthread_cond_t cond;
|
|
struct xcb_reply_node *head;
|
|
xcb_connection_t *c;
|
|
pthread_t thread;
|
|
};
|
|
|
|
typedef struct xcb_reply_handlers xcb_reply_handlers_t;
|
|
|
|
/**
|
|
* @brief Initialize a reply handlers structure.
|
|
* @param c The connection to the X server.
|
|
* @param h The reply handlers.
|
|
*/
|
|
void xcb_reply_handlers_init(xcb_connection_t *c, xcb_reply_handlers_t *h);
|
|
|
|
/**
|
|
* @brief Get the connection to the X server used in reply handlers.
|
|
* @param h The reply handlers data structure.
|
|
* @return The connection to the X server.
|
|
*/
|
|
xcb_connection_t *xcb_reply_get_xcb_connection(xcb_reply_handlers_t *h);
|
|
|
|
/**
|
|
* @brief Poll for reply using reply handlers.
|
|
* @param h The reply handlers data structure.
|
|
* @return The value return by the handler callback function, or 0 if no
|
|
* handler was found.
|
|
*/
|
|
int xcb_reply_poll_for_reply(xcb_reply_handlers_t *h);
|
|
|
|
/**
|
|
* @brief Start reply handling thread.
|
|
* This thread will run forever until it is stop with xcb_reply_stop_thread.
|
|
* @param h The reply handlers.
|
|
*/
|
|
void xcb_reply_start_thread(xcb_reply_handlers_t *h);
|
|
|
|
/**
|
|
* @brief Stop reply handling thread.
|
|
* @param h The reply handlers.
|
|
*/
|
|
void xcb_reply_stop_thread(xcb_reply_handlers_t *h);
|
|
|
|
/**
|
|
* @brief Add a reply handler.
|
|
* @param h The reply handlers data structure to fill.
|
|
* @param request The request identifier.
|
|
* @param handler The handler to call for this request.
|
|
* @param data Optional data passed to the callback function handling request.
|
|
*/
|
|
void xcb_reply_add_handler(xcb_reply_handlers_t *h, unsigned int request, xcb_generic_reply_handler_t handler, void *data);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#endif /* __XCB_REPLY_H__ */
|