Files
MaxScale/maxutils/maxbase/include/maxbase/poll.h
2019-10-29 12:51:31 +02:00

55 lines
1.4 KiB
C

/*
* Copyright (c) 2018 MariaDB Corporation Ab
*
* Use of this software is governed by the Business Source License included
* in the LICENSE.TXT file and at www.mariadb.com/bsl11.
*
* Change Date: 2023-10-29
*
* On the date above, in accordance with the Business Source License, use
* of this software will be governed by version 2 or later of the General
* Public License.
*/
#pragma once
#include <maxbase/cdefs.h>
#include <sys/epoll.h>
MXB_BEGIN_DECLS
typedef enum mxb_poll_action_t
{
MXB_POLL_NOP = 0x00,
MXB_POLL_ACCEPT = 0x01,
MXB_POLL_READ = 0x02,
MXB_POLL_WRITE = 0x04,
MXB_POLL_HUP = 0x08,
MXB_POLL_ERROR = 0x10,
} mxb_poll_action_t;
struct MXB_POLL_DATA;
typedef struct MXB_WORKER
{
} MXB_WORKER;
/**
* Pointer to function that knows how to handle events for a particular
* MXB_POLL_DATA structure.
*
* @param data The MXB_POLL_DATA instance that contained this function pointer.
* @param worker The worker.
* @param events The epoll events.
*
* @return A combination of mxb_poll_action_t enumeration values.
*/
typedef uint32_t (* mxb_poll_handler_t)(struct MXB_POLL_DATA* data, MXB_WORKER* worker, uint32_t events);
typedef struct MXB_POLL_DATA
{
mxb_poll_handler_t handler; /*< Handler for this particular kind of mxb_poll_data. */
MXB_WORKER* owner; /*< Owning worker. */
} MXB_POLL_DATA;
MXB_END_DECLS