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/*
* (C) 2010 by Holger Hans Peter Freyther <zecke@selfish.org>
* (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 Affero General Public License as published by
* the Free Software Foundation, either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef thread_h
#define thread_h
#include <osmocom/core/linuxlist.h>
#include <osmocom/core/select.h>
#include <pthread.h>
/**
* routines for dealing with threads
*/
struct thread_notifier {
struct osmo_fd bfd;
int no_write;
int fd[2];
pthread_mutex_t guard;
struct llist_head *main_head;
struct llist_head *thread_head;
struct llist_head __head1;
struct llist_head __head2;
};
struct thread_notifier *thread_notifier_alloc();
/**
* atomically swap two llist heads. This can be used
* to have two queues of data and then swap them for
* processing.
*/
void thread_swap(struct thread_notifier *);
void thread_safe_add(struct thread_notifier *, struct llist_head *_new);
void thread_init(void);
#endif
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