xref: /dflybsd-src/lib/libthread_xu/thread/thr_event.c (revision 940be950819fa932cd401a01f1182bf686a2e61e)

/*
 * Copyright (c) 2005 David Xu
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Neither the name of the author nor the names of any co-contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 */

#include "thr_private.h"

int		_thread_event_mask;
pthread_t	_thread_last_event;
umtx_t		_thr_event_lock;

void
_thread_bp_create(void)
{
}

void
_thread_bp_death(void)
{
}

void
_thr_report_creation(pthread_t curthread, pthread_t newthread)
{
	curthread->event_buf.event = TD_CREATE;
	curthread->event_buf.th_p = (td_thrhandle_t *)newthread;
	curthread->event_buf.data = 0;
	THR_UMTX_LOCK(curthread, &_thr_event_lock);
	_thread_last_event = curthread;
	_thread_bp_create();
	_thread_last_event = NULL;
	THR_UMTX_UNLOCK(curthread, &_thr_event_lock);
}

void
_thr_report_death(pthread_t curthread)
{
	curthread->event_buf.event = TD_DEATH;
	curthread->event_buf.th_p = (td_thrhandle_t *)curthread;
	curthread->event_buf.data = 0;
	THR_UMTX_LOCK(curthread, &_thr_event_lock);
	_thread_last_event = curthread;
	_thread_bp_death();
	_thread_last_event = NULL;
	THR_UMTX_UNLOCK(curthread, &_thr_event_lock);
}