apr_portable.h

apache的软件linux版本

/* 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.
 */

/* This header file is where you should put ANY platform specific information.
 * This should be the only header file that programs need to include that 
 * actually has platform dependant code which refers to the .
 */
#ifndef APR_PORTABLE_H
#define APR_PORTABLE_H
/**
 * @file apr_portable.h
 * @brief APR Portability Routines
 */

#include "apr.h"
#include "apr_pools.h"
#include "apr_thread_proc.h"
#include "apr_file_io.h"
#include "apr_network_io.h"
#include "apr_errno.h"
#include "apr_global_mutex.h"
#include "apr_proc_mutex.h"
#include "apr_time.h"
#include "apr_dso.h"
#include "apr_shm.h"

#if APR_HAVE_DIRENT_H
#include <dirent.h>
#endif
#if APR_HAVE_FCNTL_H
#include <fcntl.h>
#endif
#if APR_HAVE_PTHREAD_H
#include <pthread.h>
#endif

#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */

/**
 * @defgroup apr_portabile Portability Routines
 * @ingroup APR 
 * @{
 */

#ifdef WIN32
/* The primitives for Windows types */
typedef HANDLE                apr_os_file_t;
typedef HANDLE                apr_os_dir_t;
typedef SOCKET                apr_os_sock_t;
typedef HANDLE                apr_os_proc_mutex_t;
typedef HANDLE                apr_os_thread_t;
typedef HANDLE                apr_os_proc_t;
typedef DWORD                 apr_os_threadkey_t; 
typedef FILETIME              apr_os_imp_time_t;
typedef SYSTEMTIME            apr_os_exp_time_t;
typedef HANDLE                apr_os_dso_handle_t;
typedef HANDLE                apr_os_shm_t;

#elif defined(OS2)
typedef HFILE                 apr_os_file_t;
typedef HDIR                  apr_os_dir_t;
typedef int                   apr_os_sock_t;
typedef HMTX                  apr_os_proc_mutex_t;
typedef TID                   apr_os_thread_t;
typedef PID                   apr_os_proc_t;
typedef PULONG                apr_os_threadkey_t; 
typedef struct timeval        apr_os_imp_time_t;
typedef struct tm             apr_os_exp_time_t;
typedef HMODULE               apr_os_dso_handle_t;
typedef void*                 apr_os_shm_t;

#elif defined(__BEOS__)
#include <kernel/OS.h>
#include <kernel/image.h>

struct apr_os_proc_mutex_t {
	sem_id sem;
	int32  ben;
};

typedef int                   apr_os_file_t;
typedef DIR                   apr_os_dir_t;
typedef int                   apr_os_sock_t;
typedef struct apr_os_proc_mutex_t  apr_os_proc_mutex_t;
typedef thread_id             apr_os_thread_t;
typedef thread_id             apr_os_proc_t;
typedef int                   apr_os_threadkey_t;
typedef struct timeval        apr_os_imp_time_t;
typedef struct tm             apr_os_exp_time_t;
typedef image_id              apr_os_dso_handle_t;
typedef void*                 apr_os_shm_t;

#elif defined(NETWARE)
typedef int                   apr_os_file_t;
typedef DIR                   apr_os_dir_t;
typedef int                   apr_os_sock_t;
typedef NXMutex_t             apr_os_proc_mutex_t;
typedef NXThreadId_t          apr_os_thread_t;
typedef long                  apr_os_proc_t;
typedef NXKey_t               apr_os_threadkey_t; 
typedef struct timeval        apr_os_imp_time_t;
typedef struct tm             apr_os_exp_time_t;
typedef void *                apr_os_dso_handle_t;
typedef void*                 apr_os_shm_t;

#else
/* Any other OS should go above this one.  This is the lowest common
 * denominator typedefs for  all UNIX-like systems.  :)
 */

/** Basic OS process mutex structure. */
struct apr_os_proc_mutex_t {
#if APR_HAS_SYSVSEM_SERIALIZE || APR_HAS_FCNTL_SERIALIZE || APR_HAS_FLOCK_SERIALIZE
    int crossproc;
#endif
#if APR_HAS_PROC_PTHREAD_SERIALIZE
    pthread_mutex_t *pthread_interproc;
#endif
#if APR_HAS_THREADS
    /* If no threads, no need for thread locks */
#if APR_USE_PTHREAD_SERIALIZE
    pthread_mutex_t *intraproc;
#endif
#endif
};

typedef int                   apr_os_file_t;        /**< native file */
typedef DIR                   apr_os_dir_t;         /**< native dir */
typedef int                   apr_os_sock_t;        /**< native dir */
typedef struct apr_os_proc_mutex_t  apr_os_proc_mutex_t; /**< native proces
                                                          *   mutex
                                                          */
#if APR_HAS_THREADS && APR_HAVE_PTHREAD_H 
typedef pthread_t             apr_os_thread_t;      /**< native thread */
typedef pthread_key_t         apr_os_threadkey_t;   /**< native thread address
                                                     *   space */
#endif
typedef pid_t                 apr_os_proc_t;        /**< native pid */
typedef struct timeval        apr_os_imp_time_t;    /**< native timeval */
typedef struct tm             apr_os_exp_time_t;    /**< native tm */
/** @var apr_os_dso_handle_t
 * native dso types
 */
#if defined(HPUX) || defined(HPUX10) || defined(HPUX11)
#include <dl.h>
typedef shl_t                 apr_os_dso_handle_t;
#elif defined(DARWIN)
#include <mach-o/dyld.h>
typedef NSModule              apr_os_dso_handle_t;
#else
typedef void *                apr_os_dso_handle_t;
#endif
typedef void*                 apr_os_shm_t;         /**< native SHM */

#endif

/**
 * @typedef apr_os_sock_info_t
 * @brief alias for local OS socket
 */
/**
 * everything APR needs to know about an active socket to construct
 * an APR socket from it; currently, this is platform-independent
 */
struct apr_os_sock_info_t {
    apr_os_sock_t *os_sock; /**< always required */
    struct sockaddr *local; /**< NULL if not yet bound */
    struct sockaddr *remote; /**< NULL if not connected */
    int family;             /**< always required (APR_INET, APR_INET6, etc.) */
    int type;               /**< always required (SOCK_STREAM, SOCK_DGRAM, etc.) */
#ifdef APR_ENABLE_FOR_1_0   /**< enable with APR 1.0 */
    int protocol;           /**< 0 or actual protocol (APR_PROTO_SCTP, APR_PROTO_TCP, etc.) */
#endif
};

typedef struct apr_os_sock_info_t apr_os_sock_info_t;

#if APR_PROC_MUTEX_IS_GLOBAL || defined(DOXYGEN)
/** Opaque global mutex type */
#define apr_os_global_mutex_t apr_os_proc_mutex_t
/** @return apr_os_global_mutex */
#define apr_os_global_mutex_get apr_os_proc_mutex_get
#else
    /** Thread and process mutex for those platforms where process mutexes
     *  are not held in threads.
     */
    struct apr_os_global_mutex_t {
        apr_pool_t *pool;
        apr_proc_mutex_t *proc_mutex;
#if APR_HAS_THREADS
        apr_thread_mutex_t *thread_mutex;
#endif /* APR_HAS_THREADS */
    };
    typedef struct apr_os_global_mutex_t apr_os_global_mutex_t;

APR_DECLARE(apr_status_t) apr_os_global_mutex_get(apr_os_global_mutex_t *ospmutex, 
                                                apr_global_mutex_t *pmutex);
#endif


/**
 * convert the file from apr type to os specific type.
 * @param thefile The os specific file we are converting to
 * @param file The apr file to convert.
 * @remark On Unix, it is only possible to get a file descriptor from 
 *         an apr file type.
 */
APR_DECLARE(apr_status_t) apr_os_file_get(apr_os_file_t *thefile,
                                          apr_file_t *file);

/**
 * convert the dir from apr type to os specific type.
 * @param thedir The os specific dir we are converting to
 * @param dir The apr dir to convert.
 */   
APR_DECLARE(apr_status_t) apr_os_dir_get(apr_os_dir_t **thedir, 
                                         apr_dir_t *dir);

/**
 * Convert the socket from an apr type to an OS specific socket
 * @param thesock The socket to convert.
 * @param sock The os specifc equivelant of the apr socket..
 */
APR_DECLARE(apr_status_t) apr_os_sock_get(apr_os_sock_t *thesock,
                                          apr_socket_t *sock);

/**
 * Convert the proc mutex from os specific type to apr type
 * @param ospmutex The os specific proc mutex we are converting to.
 * @param pmutex The apr proc mutex to convert.
 */
APR_DECLARE(apr_status_t) apr_os_proc_mutex_get(apr_os_proc_mutex_t *ospmutex, 
                                                apr_proc_mutex_t *pmutex);

/**
 * Get the exploded time in the platforms native format.
 * @param ostime the native time format
 * @param aprtime the time to convert