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/* Copyright 2000-2005 The Apache Software Foundation or its licensors, as
* applicable.
*
* Licensed 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 SHM_H
#define SHM_H
#include "apr.h"
#include "apr_private.h"
#include "apr_general.h"
#include "apr_lib.h"
#include "apr_shm.h"
#include "apr_pools.h"
#include "apr_file_io.h"
#include "apr_network_io.h"
#include "apr_portable.h"
#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
#endif
#ifdef HAVE_SYS_IPC_H
#include <sys/ipc.h>
#endif
#ifdef HAVE_SYS_MUTEX_H
#include <sys/mutex.h>
#endif
#ifdef HAVE_SYS_SHM_H
#include <sys/shm.h>
#endif
#if !defined(SHM_R)
#define SHM_R 0400
#endif
#if !defined(SHM_W)
#define SHM_W 0200
#endif
#ifdef HAVE_SYS_FILE_H
#include <sys/file.h>
#endif
/* Not all systems seem to have MAP_FAILED defined, but it should always
* just be (void *)-1. */
#ifndef MAP_FAILED
#define MAP_FAILED ((void *)-1)
#endif
struct apr_shm_t {
apr_pool_t *pool;
void *base; /* base real address */
void *usable; /* base usable address */
apr_size_t reqsize; /* requested segment size */
apr_size_t realsize; /* actual segment size */
const char *filename; /* NULL if anonymous */
#if APR_USE_SHMEM_SHMGET || APR_USE_SHMEM_SHMGET_ANON
int shmid; /* shmem ID returned from shmget() */
#endif
};
#endif /* SHM_H */
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