xref: /freebsd/lib/libthr/thread/thr_event.c (revision 9a14aa017b21c292740c00ee098195cd46642730)
1 /*
2  * Copyright (c) 2005 David Xu
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Neither the name of the author nor the names of any co-contributors
11  *    may be used to endorse or promote products derived from this software
12  *    without specific prior written permission.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #include "thr_private.h"
30 
31 void
32 _thread_bp_create(void)
33 {
34 }
35 
36 void
37 _thread_bp_death(void)
38 {
39 }
40 
41 void
42 _thr_report_creation(struct pthread *curthread, struct pthread *newthread)
43 {
44 	curthread->event_buf.event = TD_CREATE;
45 	curthread->event_buf.th_p = (uintptr_t)newthread;
46 	curthread->event_buf.data = 0;
47 	THR_UMUTEX_LOCK(curthread, &_thr_event_lock);
48 	_thread_last_event = curthread;
49 	_thread_bp_create();
50 	_thread_last_event = NULL;
51 	THR_UMUTEX_UNLOCK(curthread, &_thr_event_lock);
52 }
53 
54 void
55 _thr_report_death(struct pthread *curthread)
56 {
57 	curthread->event_buf.event = TD_DEATH;
58 	curthread->event_buf.th_p = (uintptr_t)curthread;
59 	curthread->event_buf.data = 0;
60 	THR_UMUTEX_LOCK(curthread, &_thr_event_lock);
61 	_thread_last_event = curthread;
62 	_thread_bp_death();
63 	_thread_last_event = NULL;
64 	THR_UMUTEX_UNLOCK(curthread, &_thr_event_lock);
65 }
66