cne_event.h

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/* SPDX-License-Identifier: BSD-3-Clause
 * Copyright (c) 2010-2022 Intel Corporation
 */
 
#ifndef _CNE_EVENT_H_
#define _CNE_EVENT_H_
 
#include <stdint.h>
#include <stdlib.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <sys/queue.h>
#include <errno.h>
#include <bsd/string.h>
 
#include <cne_common.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
enum cne_ev_handle_type { CNE_EV_HANDLE_MEM, CNE_EV_HANDLE_EXT, CNE_EV_HANDLE_MAX };
 
struct cne_ev_handle {
    int fd;       
    void *handle; 
    enum cne_ev_handle_type type;
};
 
typedef void (*cne_ev_callback_fn)(void *cb_arg);
 
typedef void (*cne_ev_unregister_callback_fn)(struct cne_ev_handle *ev_handle, void *cb_arg);
 
struct cne_ev_read_buffer {
    char charbuf[16]; /* for others */
};
 
CNDP_API int cne_ev_callback_register(const struct cne_ev_handle *ev_handle,
                                      cne_ev_callback_fn cb_fn, void *cb_arg);
 
CNDP_API int cne_ev_callback_unregister(const struct cne_ev_handle *ev_handle,
                                        cne_ev_callback_fn cb_fn, void *cb_arg);
 
CNDP_API int cne_ev_callback_unregister_pending(const struct cne_ev_handle *ev_handle,
                                                cne_ev_callback_fn cb_fn, void *cb_arg,
                                                cne_ev_unregister_callback_fn ucb_fn);
 
#ifdef __cplusplus
}
#endif
 
#endif /* _CNE_EVENT_H_ */