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apr-1
apr_portable.h
/* 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 dependent 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 #if APR_HAVE_SEMAPHORE_H #include <semaphore.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 /** Value used for SYS V Semaphore, FCNTL and FLOCK serialization */ int crossproc; #endif #if APR_HAS_PROC_PTHREAD_SERIALIZE /** Value used for PTHREAD serialization */ pthread_mutex_t *pthread_interproc; #endif #if APR_HAS_THREADS /* If no threads, no need for thread locks */ #if APR_USE_PTHREAD_SERIALIZE /** This value is currently unused within APR and Apache */ pthread_mutex_t *intraproc; #endif #endif #if APR_HAS_POSIXSEM_SERIALIZE /** Value used for POSIX semaphores serialization */ sem_t *psem_interproc; #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 process * 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.) */ int protocol; /**< 0 or actual protocol (APR_PROTO_SCTP, APR_PROTO_TCP, etc.) */ }; 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 specific equivalent 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 apr type to os specific 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); /** * Convert the proc mutex from apr type to os specific type, also * providing the mechanism used by the apr mutex. * @param ospmutex The os specific proc mutex we are converting to. * @param pmutex The apr proc mutex to convert. * @param mech The mechanism used by the apr proc mutex (if not NULL). * @remark Allows for disambiguation for platforms with multiple mechanisms * available. */ APR_DECLARE(apr_status_t) apr_os_proc_mutex_get_ex(apr_os_proc_mutex_t *ospmutex, apr_proc_mutex_t *pmutex, apr_lockmech_e *mech); /** * Get the exploded time in the platforms native format. * @param ostime the native time format * @param aprtime the time to convert */ APR_DECLARE(apr_status_t) apr_os_exp_time_get(apr_os_exp_time_t **ostime, apr_time_exp_t *aprtime); /** * Get the imploded time in the platforms native format. * @param ostime the native time format * @param aprtime the time to convert */ APR_DECLARE(apr_status_t) apr_os_imp_time_get(apr_os_imp_time_t **ostime, apr_time_t *aprtime); /** * convert the shm from apr type to os specific type. * @param osshm The os specific shm representation * @param shm The apr shm to convert. */ APR_DECLARE(apr_status_t) apr_os_shm_get(apr_os_shm_t *osshm, apr_shm_t *shm); #if APR_HAS_THREADS || defined(DOXYGEN) /** * @defgroup apr_os_thread Thread portability Routines * @{ */ /** * convert the thread to os specific type from apr type. * @param thethd The apr thread to convert * @param thd The os specific thread we are converting to */ APR_DECLARE(apr_status_t) apr_os_thread_get(apr_os_thread_t **thethd, apr_thread_t *thd); /** * convert the thread private memory key to os specific type from an apr type. * @param thekey The apr handle we are converting from. * @param key The os specific handle we are converting to. */ APR_DECLARE(apr_status_t) apr_os_threadkey_get(apr_os_threadkey_t *thekey, apr_threadkey_t *key); /** * convert the thread from os specific type to apr type. * @param thd The apr thread we are converting to. * @param thethd The os specific thread to convert * @param cont The pool to use if it is needed. */ APR_DECLARE(apr_status_t) apr_os_thread_put(apr_thread_t **thd, apr_os_thread_t *thethd, apr_pool_t *cont); /** * convert the thread private memory key from os specific type to apr type. * @param key The apr handle we are converting to. * @param thekey The os specific handle to convert * @param cont The pool to use if it is needed. */ APR_DECLARE(apr_status_t) apr_os_threadkey_put(apr_threadkey_t **key, apr_os_threadkey_t *thekey, apr_pool_t *cont); /** * Get the thread ID */ APR_DECLARE(apr_os_thread_t) apr_os_thread_current(void); /** * Compare two thread id's * @param tid1 1st Thread ID to compare * @param tid2 2nd Thread ID to compare * @return non-zero if the two threads are equal, zero otherwise */ APR_DECLARE(int) apr_os_thread_equal(apr_os_thread_t tid1, apr_os_thread_t tid2); /** @} */ #endif /* APR_HAS_THREADS */ /** * convert the file from os specific type to apr type. * @param file The apr file we are converting to. * @param thefile The os specific file to convert * @param flags The flags that were used to open this file. * @param cont The pool to use if it is needed. * @remark On Unix, it is only possible to put a file descriptor into * an apr file type. */ APR_DECLARE(apr_status_t) apr_os_file_put(apr_file_t **file, apr_os_file_t *thefile, apr_int32_t flags, apr_pool_t *cont); /** * convert the file from os specific type to apr type. * @param file The apr file we are converting to. * @param thefile The os specific pipe to convert * @param cont The pool to use if it is needed. * @remark On Unix, it is only possible to put a file descriptor into * an apr file type. */ APR_DECLARE(apr_status_t) apr_os_pipe_put(apr_file_t **file, apr_os_file_t *thefile, apr_pool_t *cont); /** * convert the file from os specific type to apr type. * @param file The apr file we are converting to. * @param thefile The os specific pipe to convert * @param register_cleanup A cleanup will be registered on the apr_file_t * to issue apr_file_close(). * @param cont The pool to use if it is needed. * @remark On Unix, it is only possible to put a file descriptor into * an apr file type. */ APR_DECLARE(apr_status_t) apr_os_pipe_put_ex(apr_file_t **file, apr_os_file_t *thefile, int register_cleanup, apr_pool_t *cont); /** * convert the dir from os specific type to apr type. * @param dir The apr dir we are converting to. * @param thedir The os specific dir to convert * @param cont The pool to use when creating to apr directory. */ APR_DECLARE(apr_status_t) apr_os_dir_put(apr_dir_t **dir, apr_os_dir_t *thedir, apr_pool_t *cont); /** * Convert a socket from the os specific type to the APR type. If * sock points to NULL, a socket will be created from the pool * provided. If **sock does not point to NULL, the structure pointed * to by sock will be reused and updated with the given socket. * @param sock The pool to use. * @param thesock The socket to convert to. * @param cont The socket we are converting to an apr type. * @remark If it is a true socket, it is best to call apr_os_sock_make() * and provide APR with more information about the socket. */ APR_DECLARE(apr_status_t) apr_os_sock_put(apr_socket_t **sock, apr_os_sock_t *thesock, apr_pool_t *cont); /** * Create a socket from an existing descriptor and local and remote * socket addresses. * @param apr_sock The new socket that has been set up * @param os_sock_info The os representation of the socket handle and * other characteristics of the socket * @param cont The pool to use * @remark If you only know the descriptor/handle or if it isn't really * a true socket, use apr_os_sock_put() instead. */ APR_DECLARE(apr_status_t) apr_os_sock_make(apr_socket_t **apr_sock, apr_os_sock_info_t *os_sock_info, apr_pool_t *cont); /** * Convert the proc mutex from os specific type to apr type * @param pmutex The apr proc mutex we are converting to. * @param ospmutex The os specific proc mutex to convert. * @param cont The pool to use if it is needed. */ APR_DECLARE(apr_status_t) apr_os_proc_mutex_put(apr_proc_mutex_t **pmutex, apr_os_proc_mutex_t *ospmutex, apr_pool_t *cont); /** * Convert the proc mutex from os specific type to apr type, using the * specified mechanism. * @param pmutex The apr proc mutex we are converting to. * @param ospmutex The os specific proc mutex to convert. * @param mech The apr mutex locking mechanism * @param register_cleanup Whether to destroy the os mutex with the apr * one (either on explicit destroy or pool cleanup). * @param cont The pool to use if it is needed. * @remark Allows for disambiguation for platforms with multiple mechanisms * available. */ APR_DECLARE(apr_status_t) apr_os_proc_mutex_put_ex(apr_proc_mutex_t **pmutex, apr_os_proc_mutex_t *ospmutex, apr_lockmech_e mech, int register_cleanup, apr_pool_t *cont); /** * Put the imploded time in the APR format. * @param aprtime the APR time format * @param ostime the time to convert * @param cont the pool to use if necessary */ APR_DECLARE(apr_status_t) apr_os_imp_time_put(apr_time_t *aprtime, apr_os_imp_time_t **ostime, apr_pool_t *cont); /** * Put the exploded time in the APR format. * @param aprtime the APR time format * @param ostime the time to convert * @param cont the pool to use if necessary */ APR_DECLARE(apr_status_t) apr_os_exp_time_put(apr_time_exp_t *aprtime, apr_os_exp_time_t **ostime, apr_pool_t *cont); /** * convert the shared memory from os specific type to apr type. * @param shm The apr shm representation of osshm * @param osshm The os specific shm identity * @param cont The pool to use if it is needed. * @remark On fork()ed architectures, this is typically nothing more than * the memory block mapped. On non-fork architectures, this is typically * some internal handle to pass the mapping from process to process. */ APR_DECLARE(apr_status_t) apr_os_shm_put(apr_shm_t **shm, apr_os_shm_t *osshm, apr_pool_t *cont); #if APR_HAS_DSO || defined(DOXYGEN) /** * @defgroup apr_os_dso DSO (Dynamic Loading) Portability Routines * @{ */ /** * convert the dso handle from os specific to apr * @param dso The apr handle we are converting to * @param thedso the os specific handle to convert * @param pool the pool to use if it is needed */ APR_DECLARE(apr_status_t) apr_os_dso_handle_put(apr_dso_handle_t **dso, apr_os_dso_handle_t thedso, apr_pool_t *pool); /** * convert the apr dso handle into an os specific one * @param aprdso The apr dso handle to convert * @param dso The os specific dso to return */ APR_DECLARE(apr_status_t) apr_os_dso_handle_get(apr_os_dso_handle_t *dso, apr_dso_handle_t *aprdso); /** @} */ #endif /* APR_HAS_DSO */ #if APR_HAS_OS_UUID /** * Private: apr-util's apr_uuid module when supported by the platform */ APR_DECLARE(apr_status_t) apr_os_uuid_get(unsigned char *uuid_data); #endif /** * Get the name of the system default character set. * @param pool the pool to allocate the name from, if needed */ APR_DECLARE(const char*) apr_os_default_encoding(apr_pool_t *pool); /** * Get the name of the current locale character set. * @param pool the pool to allocate the name from, if needed * @remark Defers to apr_os_default_encoding() if the current locale's * data can't be retrieved on this system. */ APR_DECLARE(const char*) apr_os_locale_encoding(apr_pool_t *pool); /** @} */ #ifdef __cplusplus } #endif #endif /* ! APR_PORTABLE_H */
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