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/usr/src/rpmbuilder/BUILD/apr-util-APU_0_9_BRANCH/include/apr_reslist.h

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00001 /* Copyright 2000-2004 The Apache Software Foundation
00002  *
00003  * Licensed under the Apache License, Version 2.0 (the "License");
00004  * you may not use this file except in compliance with the License.
00005  * You may obtain a copy of the License at
00006  *
00007  *     http://www.apache.org/licenses/LICENSE-2.0
00008  *
00009  * Unless required by applicable law or agreed to in writing, software
00010  * distributed under the License is distributed on an "AS IS" BASIS,
00011  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00012  * See the License for the specific language governing permissions and
00013  * limitations under the License.
00014  */
00015 
00016 #ifndef APR_RESLIST_H
00017 #define APR_RESLIST_H
00018 
00024 #include "apr.h"
00025 #include "apu.h"
00026 #include "apr_pools.h"
00027 #include "apr_errno.h"
00028 #include "apr_time.h"
00029 
00030 #if APR_HAS_THREADS
00031 
00038 #ifdef __cplusplus
00039 extern "C" {
00040 #endif /* __cplusplus */
00041 
00043 typedef struct apr_reslist_t apr_reslist_t;
00044 
00045 /* Generic constructor called by resource list when it needs to create a
00046  * resource.
00047  * @param resource opaque resource
00048  * @param param flags
00049  * @param pool  Pool
00050  */
00051 typedef apr_status_t (*apr_reslist_constructor)(void **resource, void *params,
00052                                                 apr_pool_t *pool);
00053 
00054 /* Generic destructor called by resource list when it needs to destroy a
00055  * resource.
00056  * @param resource opaque resource
00057  * @param param flags
00058  * @param pool  Pool
00059  */
00060 typedef apr_status_t (*apr_reslist_destructor)(void *resource, void *params,
00061                                                apr_pool_t *pool);
00062 
00082 APU_DECLARE(apr_status_t) apr_reslist_create(apr_reslist_t **reslist,
00083                                              int min, int smax, int hmax,
00084                                              apr_interval_time_t ttl,
00085                                              apr_reslist_constructor con,
00086                                              apr_reslist_destructor de,
00087                                              void *params,
00088                                              apr_pool_t *pool);
00089 
00098 APU_DECLARE(apr_status_t) apr_reslist_destroy(apr_reslist_t *reslist);
00099 
00105 APU_DECLARE(apr_status_t) apr_reslist_acquire(apr_reslist_t *reslist,
00106                                               void **resource);
00107 
00111 APU_DECLARE(apr_status_t) apr_reslist_release(apr_reslist_t *reslist,
00112                                               void *resource);
00113 
00114 #ifdef __cplusplus
00115 }
00116 #endif
00117 
00120 #endif  /* APR_HAS_THREADS */
00121 
00122 #endif  /* ! APR_RESLIST_H */

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