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Diffstat (limited to 'rubbos/app/apache2/include/apr_shm.h')
| -rw-r--r-- | rubbos/app/apache2/include/apr_shm.h | 127 |
1 files changed, 0 insertions, 127 deletions
diff --git a/rubbos/app/apache2/include/apr_shm.h b/rubbos/app/apache2/include/apr_shm.h deleted file mode 100644 index 5373f6a7..00000000 --- a/rubbos/app/apache2/include/apr_shm.h +++ /dev/null @@ -1,127 +0,0 @@ -/* Licensed to the Apache Software Foundation (ASF) under one or more - * contributor license agreements. See the NOTICE file distributed with - * this work for additional information regarding copyright ownership. - * The ASF licenses this file to You under the Apache License, Version 2.0 - * (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#ifndef APR_SHM_H -#define APR_SHM_H - -/** - * @file apr_shm.h - * @brief APR Shared Memory Routines - */ - -#include "apr.h" -#include "apr_pools.h" -#include "apr_errno.h" - -#ifdef __cplusplus -extern "C" { -#endif /* __cplusplus */ - -/** - * @defgroup apr_shm Shared Memory Routines - * @ingroup APR - * @{ - */ - -/** - * Private, platform-specific data struture representing a shared memory - * segment. - */ -typedef struct apr_shm_t apr_shm_t; - -/** - * Create and make accessable a shared memory segment. - * @param m The shared memory structure to create. - * @param reqsize The desired size of the segment. - * @param filename The file to use for shared memory on platforms that - * require it. - * @param pool the pool from which to allocate the shared memory - * structure. - * @remark A note about Anonymous vs. Named shared memory segments: - * Not all plaforms support anonymous shared memory segments, but in - * some cases it is prefered over other types of shared memory - * implementations. Passing a NULL 'file' parameter to this function - * will cause the subsystem to use anonymous shared memory segments. - * If such a system is not available, APR_ENOTIMPL is returned. - * @remark A note about allocation sizes: - * On some platforms it is necessary to store some metainformation - * about the segment within the actual segment. In order to supply - * the caller with the requested size it may be necessary for the - * implementation to request a slightly greater segment length - * from the subsystem. In all cases, the apr_shm_baseaddr_get() - * function will return the first usable byte of memory. - * - */ -APR_DECLARE(apr_status_t) apr_shm_create(apr_shm_t **m, - apr_size_t reqsize, - const char *filename, - apr_pool_t *pool); - -/** - * Destroy a shared memory segment and associated memory. - * @param m The shared memory segment structure to destroy. - */ -APR_DECLARE(apr_status_t) apr_shm_destroy(apr_shm_t *m); - -/** - * Attach to a shared memory segment that was created - * by another process. - * @param m The shared memory structure to create. - * @param filename The file used to create the original segment. - * (This MUST match the original filename.) - * @param pool the pool from which to allocate the shared memory - * structure for this process. - */ -APR_DECLARE(apr_status_t) apr_shm_attach(apr_shm_t **m, - const char *filename, - apr_pool_t *pool); - -/** - * Detach from a shared memory segment without destroying it. - * @param m The shared memory structure representing the segment - * to detach from. - */ -APR_DECLARE(apr_status_t) apr_shm_detach(apr_shm_t *m); - -/** - * Retrieve the base address of the shared memory segment. - * NOTE: This address is only usable within the callers address - * space, since this API does not guarantee that other attaching - * processes will maintain the same address mapping. - * @param m The shared memory segment from which to retrieve - * the base address. - */ -APR_DECLARE(void *) apr_shm_baseaddr_get(const apr_shm_t *m); - -/** - * Retrieve the length of a shared memory segment in bytes. - * @param m The shared memory segment from which to retrieve - * the segment length. - */ -APR_DECLARE(apr_size_t) apr_shm_size_get(const apr_shm_t *m); - -/** - * Get the pool used by this shared memory segment. - */ -APR_POOL_DECLARE_ACCESSOR(shm); - -/** @} */ - -#ifdef __cplusplus -} -#endif - -#endif /* APR_SHM_T */ |