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00001 /* Licensed to the Apache Software Foundation (ASF) under one or more 00002 * contributor license agreements. See the NOTICE file distributed with 00003 * this work for additional information regarding copyright ownership. 00004 * The ASF licenses this file to You under the Apache License, Version 2.0 00005 * (the "License"); you may not use this file except in compliance with 00006 * the License. You may obtain a copy of the License at 00007 * 00008 * http://www.apache.org/licenses/LICENSE-2.0 00009 * 00010 * Unless required by applicable law or agreed to in writing, software 00011 * distributed under the License is distributed on an "AS IS" BASIS, 00012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 00013 * See the License for the specific language governing permissions and 00014 * limitations under the License. 00015 */ 00016 00017 #ifndef APR_RESLIST_H 00018 #define APR_RESLIST_H 00019 00025 #include "apr.h" 00026 #include "apu.h" 00027 #include "apr_pools.h" 00028 #include "apr_errno.h" 00029 #include "apr_time.h" 00030 00037 #ifdef __cplusplus 00038 extern "C" { 00039 #endif /* __cplusplus */ 00040 00042 typedef struct apr_reslist_t apr_reslist_t; 00043 00044 /* Generic constructor called by resource list when it needs to create a 00045 * resource. 00046 * @param resource opaque resource 00047 * @param param flags 00048 * @param pool Pool 00049 */ 00050 typedef apr_status_t (*apr_reslist_constructor)(void **resource, void *params, 00051 apr_pool_t *pool); 00052 00053 /* Generic destructor called by resource list when it needs to destroy a 00054 * resource. 00055 * @param resource opaque resource 00056 * @param param flags 00057 * @param pool Pool 00058 */ 00059 typedef apr_status_t (*apr_reslist_destructor)(void *resource, void *params, 00060 apr_pool_t *pool); 00061 00062 /* Cleanup order modes */ 00063 #define APR_RESLIST_CLEANUP_DEFAULT 0 00064 #define APR_RESLIST_CLEANUP_FIRST 1 00089 APU_DECLARE(apr_status_t) apr_reslist_create(apr_reslist_t **reslist, 00090 int min, int smax, int hmax, 00091 apr_interval_time_t ttl, 00092 apr_reslist_constructor con, 00093 apr_reslist_destructor de, 00094 void *params, 00095 apr_pool_t *pool); 00096 00108 APU_DECLARE(apr_status_t) apr_reslist_destroy(apr_reslist_t *reslist); 00109 00115 APU_DECLARE(apr_status_t) apr_reslist_acquire(apr_reslist_t *reslist, 00116 void **resource); 00117 00121 APU_DECLARE(apr_status_t) apr_reslist_release(apr_reslist_t *reslist, 00122 void *resource); 00123 00130 APU_DECLARE(void) apr_reslist_timeout_set(apr_reslist_t *reslist, 00131 apr_interval_time_t timeout); 00132 00137 APU_DECLARE(apr_uint32_t) apr_reslist_acquired_count(apr_reslist_t *reslist); 00138 00144 APU_DECLARE(apr_status_t) apr_reslist_invalidate(apr_reslist_t *reslist, 00145 void *resource); 00146 00152 APU_DECLARE(apr_status_t) apr_reslist_maintain(apr_reslist_t *reslist); 00153 00167 APU_DECLARE(void) apr_reslist_cleanup_order_set(apr_reslist_t *reslist, 00168 apr_uint32_t mode); 00169 00170 #ifdef __cplusplus 00171 } 00172 #endif 00173 00176 #endif /* ! APR_RESLIST_H */