1 /* 2 * Copyright (c) 2008 The DragonFly Project. All rights reserved. 3 * 4 * This code is derived from software contributed to The DragonFly Project 5 * by Matthew Dillon <dillon@backplane.com> 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 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 3. Neither the name of The DragonFly Project nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific, prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * $DragonFly: src/sys/platform/vkernel/include/cothread.h,v 1.2 2008/03/27 04:28:07 dillon Exp $ 35 */ 36 37 #ifndef _MACHINE_COTHREAD_H_ 38 #define _MACHINE_COTHREAD_H_ 39 40 #include <pthread.h> 41 42 struct cothread { 43 pthread_t pthr; 44 pthread_t pintr; 45 void *arg; 46 void (*thr_func)(struct cothread *); 47 void (*thr_intr)(struct cothread *); 48 void *intr_id; 49 pthread_mutex_t mutex; 50 pthread_cond_t cond; 51 }; 52 53 typedef struct cothread *cothread_t; 54 55 cothread_t cothread_create(void (*thr_func)(cothread_t cotd), 56 void (*thr_intr)(cothread_t cotd), 57 void *arg, const char *name); 58 void cothread_delete(cothread_t *cotdp); 59 void cothread_intr(cothread_t cotd); 60 void cothread_signal(cothread_t cotd); 61 void cothread_wait(cothread_t cotd); 62 void cothread_lock(cothread_t cotd, int is_cotd); 63 void cothread_unlock(cothread_t cotd, int is_cotd); 64 65 #endif 66