write_queue.h

Go to the documentation of this file.

 
/*
 * (C) 2010 by Holger Hans Peter Freyther
 * (C) 2010 by On-Waves
 *
 * All Rights Reserved
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 */
#pragma once
 
#include <osmocom/core/select.h>
#include <osmocom/core/msgb.h>
 
struct osmo_wqueue {
        struct osmo_fd bfd;
        unsigned int max_length;
        unsigned int current_length;
 
        struct llist_head msg_queue;
 
        int (*read_cb)(struct osmo_fd *fd);
        int (*write_cb)(struct osmo_fd *fd, struct msgb *msg);
        int (*except_cb)(struct osmo_fd *fd);
};
 
void osmo_wqueue_init(struct osmo_wqueue *queue, int max_length);
void osmo_wqueue_clear(struct osmo_wqueue *queue);
int osmo_wqueue_enqueue(struct osmo_wqueue *queue, struct msgb *data);
int osmo_wqueue_enqueue_quiet(struct osmo_wqueue *queue, struct msgb *data);
size_t osmo_wqueue_set_maxlen(struct osmo_wqueue *queue, unsigned int len);
int osmo_wqueue_bfd_cb(struct osmo_fd *fd, unsigned int what);