mirror of https://gerrit.osmocom.org/libosmocore
59 lines
1.9 KiB
C
59 lines
1.9 KiB
C
/*! \file write_queue.h
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* Generic write queue implementation */
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/*
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* (C) 2010 by Holger Hans Peter Freyther
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* (C) 2010 by On-Waves
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*
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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*/
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#pragma once
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/*! \defgroup write_queue Osmocom msgb write queues
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* @{
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* \file write_queue.h */
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#include <osmocom/core/select.h>
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#include <osmocom/core/msgb.h>
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/*! write queue instance */
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struct osmo_wqueue {
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/*! osmocom file descriptor */
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struct osmo_fd bfd;
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/*! maximum length of write queue */
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unsigned int max_length;
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/*! current length of write queue */
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unsigned int current_length;
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/*! actual linked list implementing the queue */
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struct llist_head msg_queue;
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/*! call-back in case qeueue is readable */
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int (*read_cb)(struct osmo_fd *fd);
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/*! call-back in case qeueue is writable */
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int (*write_cb)(struct osmo_fd *fd, struct msgb *msg);
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/*! call-back in case qeueue has exceptions */
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int (*except_cb)(struct osmo_fd *fd);
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};
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void osmo_wqueue_init(struct osmo_wqueue *queue, int max_length);
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void osmo_wqueue_clear(struct osmo_wqueue *queue);
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int osmo_wqueue_enqueue(struct osmo_wqueue *queue, struct msgb *data);
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int osmo_wqueue_bfd_cb(struct osmo_fd *fd, unsigned int what);
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/*! @} */
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