1/* Licensed to the Apache Software Foundation (ASF) under one or more 2 * contributor license agreements. See the NOTICE file distributed with 3 * this work for additional information regarding copyright ownership. 4 * The ASF licenses this file to You under the Apache License, Version 2.0 5 * (the "License"); you may not use this file except in compliance with 6 * the License. You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#ifndef THREAD_COND_H 18#define THREAD_COND_H 19 20#include <kernel/OS.h> 21#include "apr_pools.h" 22#include "apr_thread_cond.h" 23#include "apr_file_io.h" 24#include "apr_general.h" 25#include "apr_lib.h" 26#include "apr_portable.h" 27#include "apr_ring.h" 28 29struct waiter_t { 30 APR_RING_ENTRY(waiter_t) link; 31 sem_id sem; 32}; 33 34struct apr_thread_cond_t { 35 apr_pool_t *pool; 36 sem_id lock; 37 apr_thread_mutex_t *condlock; 38 thread_id owner; 39 /* active list */ 40 APR_RING_HEAD(active_list, waiter_t) alist; 41 /* free list */ 42 APR_RING_HEAD(free_list, waiter_t) flist; 43}; 44 45#endif /* THREAD_COND_H */ 46 47