thr_event.c revision 331722 
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
27#include <sys/cdefs.h>
28__FBSDID("$FreeBSD: stable/11/lib/libthr/thread/thr_event.c 331722 2018-03-29 02:50:57Z eadler $");
29
30#include "thr_private.h"
31
32void
33_thread_bp_create(void)
34{
35}
36
37void
38_thread_bp_death(void)
39{
40}
41
42void
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
55void
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