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Diffstat (limited to 'include/arch/unix/apr_arch_shm.h')
-rw-r--r-- | include/arch/unix/apr_arch_shm.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/include/arch/unix/apr_arch_shm.h b/include/arch/unix/apr_arch_shm.h new file mode 100644 index 000000000..3a3764ecf --- /dev/null +++ b/include/arch/unix/apr_arch_shm.h @@ -0,0 +1,105 @@ +/* ==================================================================== + * The Apache Software License, Version 1.1 + * + * Copyright (c) 2000-2003 The Apache Software Foundation. All rights + * reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * 3. The end-user documentation included with the redistribution, + * if any, must include the following acknowledgment: + * "This product includes software developed by the + * Apache Software Foundation (http://www.apache.org/)." + * Alternately, this acknowledgment may appear in the software itself, + * if and wherever such third-party acknowledgments normally appear. + * + * 4. The names "Apache" and "Apache Software Foundation" must + * not be used to endorse or promote products derived from this + * software without prior written permission. For written + * permission, please contact apache@apache.org. + * + * 5. Products derived from this software may not be called "Apache", + * nor may "Apache" appear in their name, without prior written + * permission of the Apache Software Foundation. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR + * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * ==================================================================== + * + * This software consists of voluntary contributions made by many + * individuals on behalf of the Apache Software Foundation. For more + * information on the Apache Software Foundation, please see + * <http://www.apache.org/>. + */ + +#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_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 */ |