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 * $DragonFly: src/lib/libthread_xu/thread/thr_event.c,v 1.2 2006/04/05 12:12:23 davidxu Exp $ 27 */ 28 29 #include "thr_private.h" 30 31 int _thread_event_mask; 32 struct pthread *_thread_last_event; 33 umtx_t _thr_event_lock; 34 35 void 36 _thread_bp_create(void) 37 { 38 } 39 40 void 41 _thread_bp_death(void) 42 { 43 } 44 45 void 46 _thr_report_creation(struct pthread *curthread, struct pthread *newthread) 47 { 48 curthread->event_buf.event = TD_CREATE; 49 curthread->event_buf.th_p = (td_thrhandle_t *)newthread; 50 curthread->event_buf.data = 0; 51 THR_UMTX_LOCK(curthread, &_thr_event_lock); 52 _thread_last_event = curthread; 53 _thread_bp_create(); 54 _thread_last_event = NULL; 55 THR_UMTX_UNLOCK(curthread, &_thr_event_lock); 56 } 57 58 void 59 _thr_report_death(struct pthread *curthread) 60 { 61 curthread->event_buf.event = TD_DEATH; 62 curthread->event_buf.th_p = (td_thrhandle_t *)curthread; 63 curthread->event_buf.data = 0; 64 THR_UMTX_LOCK(curthread, &_thr_event_lock); 65 _thread_last_event = curthread; 66 _thread_bp_death(); 67 _thread_last_event = NULL; 68 THR_UMTX_UNLOCK(curthread, &_thr_event_lock); 69 } 70