xref: /freebsd/lib/libthr/thread/thr_event.c (revision 22cf89c938886d14f5796fc49f9f020c23ea8eaf)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2005 David Xu
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Neither the name of the author nor the names of any co-contributors
13  *    may be used to endorse or promote products derived from this software
14  *    without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include <sys/cdefs.h>
30 #include "thr_private.h"
31 
32 void
33 _thread_bp_create(void)
34 {
35 }
36 
37 void
38 _thread_bp_death(void)
39 {
40 }
41 
42 void
43 _thr_report_creation(struct pthread *curthread, struct pthread *newthread)
44 {
45 	curthread->event_buf.event = TD_CREATE;
46 	curthread->event_buf.th_p = (uintptr_t)newthread;
47 	curthread->event_buf.data = 0;
48 	THR_UMUTEX_LOCK(curthread, &_thr_event_lock);
49 	_thread_last_event = curthread;
50 	_thread_bp_create();
51 	_thread_last_event = NULL;
52 	THR_UMUTEX_UNLOCK(curthread, &_thr_event_lock);
53 }
54 
55 void
56 _thr_report_death(struct pthread *curthread)
57 {
58 	curthread->event_buf.event = TD_DEATH;
59 	curthread->event_buf.th_p = (uintptr_t)curthread;
60 	curthread->event_buf.data = 0;
61 	THR_UMUTEX_LOCK(curthread, &_thr_event_lock);
62 	_thread_last_event = curthread;
63 	_thread_bp_death();
64 	_thread_last_event = NULL;
65 	THR_UMUTEX_UNLOCK(curthread, &_thr_event_lock);
66 }
67