thr_event.c revision 330897 
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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__FBSDID("$FreeBSD: stable/11/lib/libthr/thread/thr_event.c 330897 2018-03-14 03:19:51Z eadler $");
31
32#include "thr_private.h"
33
34void
35_thread_bp_create(void)
36{
37}
38
39void
40_thread_bp_death(void)
41{
42}
43
44void
45_thr_report_creation(struct pthread *curthread, struct pthread *newthread)
46{
47	curthread->event_buf.event = TD_CREATE;
48	curthread->event_buf.th_p = (uintptr_t)newthread;
49	curthread->event_buf.data = 0;
50	THR_UMUTEX_LOCK(curthread, &_thr_event_lock);
51	_thread_last_event = curthread;
52	_thread_bp_create();
53	_thread_last_event = NULL;
54	THR_UMUTEX_UNLOCK(curthread, &_thr_event_lock);
55}
56
57void
58_thr_report_death(struct pthread *curthread)
59{
60	curthread->event_buf.event = TD_DEATH;
61	curthread->event_buf.th_p = (uintptr_t)curthread;
62	curthread->event_buf.data = 0;
63	THR_UMUTEX_LOCK(curthread, &_thr_event_lock);
64	_thread_last_event = curthread;
65	_thread_bp_death();
66	_thread_last_event = NULL;
67	THR_UMUTEX_UNLOCK(curthread, &_thr_event_lock);
68}
69