/*
* Copyright (c) 2005 David Xu <davidxu@freebsd.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*
*/
#ifndef _SIGEV_THREAD_H_
#define _SIGEV_THREAD_H_
#include <sys/types.h>
#include <sys/queue.h>
struct sigev_thread;
struct sigev_node;
typedef uintptr_t sigev_id_t;
typedef void (*sigev_dispatch_t)(struct sigev_node *);
struct sigev_node {
LIST_ENTRY(sigev_node) sn_link;
int sn_type;
sigev_id_t sn_id;
sigev_dispatch_t sn_dispatch;
union sigval sn_value;
void *sn_func;
int sn_flags;
int sn_gen;
siginfo_t sn_info;
pthread_attr_t sn_attr;
struct sigev_thread *sn_tn;
};
struct sigev_thread {
LIST_ENTRY(sigev_thread) tn_link;
pthread_t tn_thread;
struct sigev_node *tn_cur;
int tn_refcount;
long tn_lwpid;
pthread_cond_t tn_cv;
};
#define SNF_WORKING 0x01
#define SNF_REMOVED 0x02
#define SNF_SYNC 0x04
#define SIGSERVICE (SIGTHR+1)
int __sigev_check_init();
struct sigev_node *__sigev_alloc(int, const struct sigevent *,
struct sigev_node *, int);
struct sigev_node *__sigev_find(int, sigev_id_t);
void __sigev_get_sigevent(struct sigev_node *, struct sigevent *,
sigev_id_t);
int __sigev_register(struct sigev_node *);
int __sigev_delete(int, sigev_id_t);
int __sigev_delete_node(struct sigev_node *);
void __sigev_list_lock(void);
void __sigev_list_unlock(void);
void __sigev_free(struct sigev_node *);
#endif
