2 * Copyright (c) 2005 David Xu <davidxu@freebsd.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice unmodified, this list of conditions, and the following
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #ifndef _SIGEV_THREAD_H_
31 #define _SIGEV_THREAD_H_
33 #include <sys/types.h>
34 #include <sys/queue.h>
39 typedef uintptr_t sigev_id_t;
40 typedef void (*sigev_dispatch_t)(struct sigev_node *);
43 LIST_ENTRY(sigev_node) sn_link;
46 sigev_dispatch_t sn_dispatch;
47 union sigval sn_value;
52 pthread_attr_t sn_attr;
53 struct sigev_thread *sn_tn;
58 LIST_ENTRY(sigev_thread) tn_link;
60 struct sigev_node *tn_cur;
66 #define SNF_WORKING 0x01
67 #define SNF_REMOVED 0x02
70 int __sigev_check_init();
71 struct sigev_node *__sigev_alloc(int, const struct sigevent *,
72 struct sigev_node *, int);
73 struct sigev_node *__sigev_find(int, sigev_id_t);
74 void __sigev_get_sigevent(struct sigev_node *, struct sigevent *,
76 int __sigev_register(struct sigev_node *);
77 int __sigev_delete(int, sigev_id_t);
78 int __sigev_delete_node(struct sigev_node *);
79 void __sigev_list_lock(void);
80 void __sigev_list_unlock(void);
81 void __sigev_free(struct sigev_node *);