71 lines
2.0 KiB
C
71 lines
2.0 KiB
C
/* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef SHM_H
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#define SHM_H
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#include "apr.h"
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#include "apr_private.h"
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#include "apr_general.h"
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#include "apr_lib.h"
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#include "apr_shm.h"
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#include "apr_pools.h"
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#include "apr_file_io.h"
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#include "apr_network_io.h"
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#include "apr_portable.h"
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#ifdef HAVE_SYS_MMAN_H
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#include <sys/mman.h>
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#endif
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#ifdef HAVE_SYS_IPC_H
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#include <sys/ipc.h>
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#endif
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#ifdef HAVE_SYS_MUTEX_H
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#include <sys/mutex.h>
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#endif
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#ifdef HAVE_SYS_SHM_H
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#include <sys/shm.h>
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#endif
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#if !defined(SHM_R)
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#define SHM_R 0400
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#endif
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#if !defined(SHM_W)
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#define SHM_W 0200
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#endif
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#ifdef HAVE_SYS_FILE_H
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#include <sys/file.h>
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#endif
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/* Not all systems seem to have MAP_FAILED defined, but it should always
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* just be (void *)-1. */
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#ifndef MAP_FAILED
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#define MAP_FAILED ((void *)-1)
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#endif
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struct apr_shm_t {
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apr_pool_t *pool;
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void *base; /* base real address */
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void *usable; /* base usable address */
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apr_size_t reqsize; /* requested segment size */
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apr_size_t realsize; /* actual segment size */
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const char *filename; /* NULL if anonymous */
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#if APR_USE_SHMEM_SHMGET || APR_USE_SHMEM_SHMGET_ANON
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int shmid; /* shmem ID returned from shmget() */
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#endif
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};
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#endif /* SHM_H */
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