2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2005 David Xu <davidxu@freebsd.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice unmodified, this list of conditions, and the following
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 #ifndef _SIGEV_THREAD_H_
33 #define _SIGEV_THREAD_H_
35 #include <sys/types.h>
36 #include <sys/queue.h>
41 typedef uintptr_t sigev_id_t;
42 typedef void (*sigev_dispatch_t)(struct sigev_node *);
45 LIST_ENTRY(sigev_node) sn_link;
48 sigev_dispatch_t sn_dispatch;
49 union sigval sn_value;
54 pthread_attr_t sn_attr;
55 struct sigev_thread *sn_tn;
60 LIST_ENTRY(sigev_thread) tn_link;
62 struct sigev_node *tn_cur;
68 #define SNF_WORKING 0x01
69 #define SNF_REMOVED 0x02
72 int __sigev_check_init();
73 struct sigev_node *__sigev_alloc(int, const struct sigevent *,
74 struct sigev_node *, int);
75 struct sigev_node *__sigev_find(int, sigev_id_t);
76 void __sigev_get_sigevent(struct sigev_node *, struct sigevent *,
78 int __sigev_register(struct sigev_node *);
79 int __sigev_delete(int, sigev_id_t);
80 int __sigev_delete_node(struct sigev_node *);
81 void __sigev_list_lock(void);
82 void __sigev_list_unlock(void);
83 void __sigev_free(struct sigev_node *);