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#include <nks/errno.h> 18 19#include "apr.h" 20#include "apr_private.h" 21#include "apr_general.h" 22#include "apr_strings.h" 23#include "apr_arch_thread_mutex.h" 24#include "apr_arch_thread_cond.h" 25#include "apr_portable.h" 26 27static apr_status_t thread_cond_cleanup(void *data) 28{ 29 apr_thread_cond_t *cond = (apr_thread_cond_t *)data; 30 31 NXCondFree(cond->cond); 32 return APR_SUCCESS; 33} 34 35APR_DECLARE(apr_status_t) apr_thread_cond_create(apr_thread_cond_t **cond, 36 apr_pool_t *pool) 37{ 38 apr_thread_cond_t *new_cond = NULL; 39 40 new_cond = (apr_thread_cond_t *)apr_pcalloc(pool, sizeof(apr_thread_cond_t)); 41 42 if(new_cond ==NULL) { 43 return APR_ENOMEM; 44 } 45 new_cond->pool = pool; 46 47 new_cond->cond = NXCondAlloc(NULL); 48 49 if(new_cond->cond == NULL) 50 return APR_ENOMEM; 51 52 apr_pool_cleanup_register(new_cond->pool, new_cond, 53 (void*)thread_cond_cleanup, 54 apr_pool_cleanup_null); 55 *cond = new_cond; 56 return APR_SUCCESS; 57} 58 59APR_DECLARE(apr_status_t) apr_thread_cond_wait(apr_thread_cond_t *cond, 60 apr_thread_mutex_t *mutex) 61{ 62 if (NXCondWait(cond->cond, mutex->mutex) != 0) 63 return APR_EINTR; 64 return APR_SUCCESS; 65} 66 67APR_DECLARE(apr_status_t) apr_thread_cond_timedwait(apr_thread_cond_t *cond, 68 apr_thread_mutex_t *mutex, 69 apr_interval_time_t timeout){ 70 if (NXCondTimedWait(cond->cond, mutex->mutex, 71 (timeout*1000)/NXGetSystemTick()) == NX_ETIMEDOUT) { 72 return APR_TIMEUP; 73 } 74 return APR_SUCCESS; 75} 76 77APR_DECLARE(apr_status_t) apr_thread_cond_signal(apr_thread_cond_t *cond) 78{ 79 NXCondSignal(cond->cond); 80 return APR_SUCCESS; 81} 82 83APR_DECLARE(apr_status_t) apr_thread_cond_broadcast(apr_thread_cond_t *cond) 84{ 85 NXCondBroadcast(cond->cond); 86 return APR_SUCCESS; 87} 88 89APR_DECLARE(apr_status_t) apr_thread_cond_destroy(apr_thread_cond_t *cond) 90{ 91 apr_status_t stat; 92 if ((stat = thread_cond_cleanup(cond)) == APR_SUCCESS) { 93 apr_pool_cleanup_kill(cond->pool, cond, thread_cond_cleanup); 94 return APR_SUCCESS; 95 } 96 return stat; 97} 98 99APR_POOL_IMPLEMENT_ACCESSOR(thread_cond) 100 101