| /* 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 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 */ |