apr.h

Go to the documentation of this file.

/* 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 APR_H
#define APR_H

/* GENERATED FILE WARNING!  DO NOT EDIT apr.h
 *
 * You must modify apr.h.in instead.
 *
 * And please, make an effort to stub apr.hw and apr.hnw in the process.
 */

/**
 * @file apr.h
 * @brief APR Platform Definitions
 * @remark This is a generated header generated from include/apr.h.in by
 * ./configure, or copied from include/apr.hw or include/apr.hnw 
 * for Win32 or Netware by those build environments, respectively.
 */

#ifndef _GNU_SOURCE
# define _GNU_SOURCE 1
#endif

/**
 * @defgroup APR Apache Portability Runtime library
 * @{
 */
/**
 * @defgroup apr_platform Platform Definitions
 * @{
 * @warning
 * <strong><em>The actual values of macros and typedefs on this page<br>
 * are platform specific and should NOT be relied upon!</em></strong>
 */

/* So that we can use inline on some critical functions, and use
 * GNUC attributes (such as to get -Wall warnings for printf-like
 * functions).  Only do this in gcc 2.7 or later ... it may work
 * on earlier stuff, but why chance it.
 *
 * We've since discovered that the gcc shipped with NeXT systems
 * as "cc" is completely broken.  It claims to be __GNUC__ and so
 * on, but it doesn't implement half of the things that __GNUC__
 * means.  In particular it's missing inline and the __attribute__
 * stuff.  So we hack around it.  PR#1613. -djg
 */
#if !defined(__GNUC__) || __GNUC__ < 2 || \
    (__GNUC__ == 2 && __GNUC_MINOR__ < 7) ||\
    defined(NEXT)
#ifndef __attribute__
#define __attribute__(__x)
#endif
#define APR_INLINE
#define APR_HAS_INLINE           0
#else
#define APR_INLINE __inline__
#define APR_HAS_INLINE           1
#endif

#define APR_HAVE_ARPA_INET_H     1
#define APR_HAVE_CONIO_H         0
#define APR_HAVE_CRYPT_H         1
#define APR_HAVE_CTYPE_H         1
#define APR_HAVE_DIRENT_H        1
#define APR_HAVE_ERRNO_H         1
#define APR_HAVE_FCNTL_H         1
#define APR_HAVE_IO_H            0
#define APR_HAVE_LIMITS_H        1
#define APR_HAVE_NETDB_H         1
#define APR_HAVE_NETINET_IN_H    1
#define APR_HAVE_NETINET_SCTP_H  0
#define APR_HAVE_NETINET_SCTP_UIO_H 0
#define APR_HAVE_NETINET_TCP_H   1
#define APR_HAVE_PROCESS_H       0
#define APR_HAVE_PTHREAD_H       1
#define APR_HAVE_SEMAPHORE_H     1
#define APR_HAVE_SIGNAL_H        1
#define APR_HAVE_STDARG_H        1
#define APR_HAVE_STDINT_H        1
#define APR_HAVE_STDIO_H         1
#define APR_HAVE_STDLIB_H        1
#define APR_HAVE_STRING_H        1
#define APR_HAVE_STRINGS_H       1
#define APR_HAVE_SYS_IOCTL_H     1
#define APR_HAVE_SYS_SENDFILE_H  1
#define APR_HAVE_SYS_SIGNAL_H    1
#define APR_HAVE_SYS_SOCKET_H    1
#define APR_HAVE_SYS_SOCKIO_H    0
#define APR_HAVE_SYS_SYSLIMITS_H 0
#define APR_HAVE_SYS_TIME_H      1
#define APR_HAVE_SYS_TYPES_H     1
#define APR_HAVE_SYS_UIO_H       1
#define APR_HAVE_SYS_UN_H        1
#define APR_HAVE_SYS_WAIT_H      1
#define APR_HAVE_TIME_H          1
#define APR_HAVE_UNISTD_H        1
#define APR_HAVE_WINDOWS_H       0
#define APR_HAVE_WINSOCK2_H      0

/** @} */
/** @} */

/* We don't include our conditional headers within the doxyblocks 
 * or the extern "C" namespace 
 */

#if APR_HAVE_WINDOWS_H
/* If windows.h was already included, our preferences don't matter.
 * If not, include a restricted set of windows headers to our tastes.
 */
#ifndef _WINDOWS_

#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif

#ifndef _WIN32_WINNT
/* Restrict the server to a subset of Windows XP header files by default
 */
#define _WIN32_WINNT 0x0501
#endif

#ifndef NOUSER
#define NOUSER
#endif
#ifndef NOMCX
#define NOMCX
#endif
#ifndef NOIME
#define NOIME
#endif

#include <windows.h>
/* 
 * Add a _very_few_ declarations missing from the restricted set of headers
 * (If this list becomes extensive, re-enable the required headers above!)
 * winsock headers were excluded by WIN32_LEAN_AND_MEAN, so include them now
 */
#define SW_HIDE             0
#ifndef _WIN32_WCE
#include <winsock2.h>
#include <ws2tcpip.h>
#include <mswsock.h>
#else
#include <winsock.h>
#endif

#endif /* ndef _WINDOWS_ */
#endif /* APR_HAVE_WINDOWS_H */

#if APR_HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif

#if APR_HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif

#if defined(__cplusplus) && !defined(__STDC_CONSTANT_MACROS)
/* C99 7.18.4 requires that stdint.h only exposes INT64_C 
 * and UINT64_C for C++ implementations if this is defined: */
#define __STDC_CONSTANT_MACROS
#endif

#if APR_HAVE_STDINT_H
#include <stdint.h>
#endif

#if APR_HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif

#ifdef OS2
#define INCL_DOS
#define INCL_DOSERRORS
#include <os2.h>
#endif

/* header files for PATH_MAX, _POSIX_PATH_MAX */
#if APR_HAVE_LIMITS_H
#include <limits.h>
#else
#if APR_HAVE_SYS_SYSLIMITS_H
#include <sys/syslimits.h>
#endif
#endif


#ifdef __cplusplus
extern "C" {
#endif

/**
 * @addtogroup apr_platform
 * @ingroup APR 
 * @{
 */

#define APR_HAVE_SHMEM_MMAP_TMP     1
#define APR_HAVE_SHMEM_MMAP_SHM     1
#define APR_HAVE_SHMEM_MMAP_ZERO    1
#define APR_HAVE_SHMEM_SHMGET_ANON  1
#define APR_HAVE_SHMEM_SHMGET       1
#define APR_HAVE_SHMEM_MMAP_ANON    1
#define APR_HAVE_SHMEM_BEOS         0

#define APR_USE_SHMEM_MMAP_TMP     0
#define APR_USE_SHMEM_MMAP_SHM     0
#define APR_USE_SHMEM_MMAP_ZERO    0
#define APR_USE_SHMEM_SHMGET_ANON  0
#define APR_USE_SHMEM_SHMGET       1
#define APR_USE_SHMEM_MMAP_ANON    1
#define APR_USE_SHMEM_BEOS         0

#define APR_USE_FLOCK_SERIALIZE           0 
#define APR_USE_SYSVSEM_SERIALIZE         1
#define APR_USE_POSIXSEM_SERIALIZE        0
#define APR_USE_FCNTL_SERIALIZE           0
#define APR_USE_PROC_PTHREAD_SERIALIZE    0 
#define APR_USE_PTHREAD_SERIALIZE         1 

#define APR_HAS_FLOCK_SERIALIZE           1
#define APR_HAS_SYSVSEM_SERIALIZE         1
#define APR_HAS_POSIXSEM_SERIALIZE        1
#define APR_HAS_FCNTL_SERIALIZE           1
#define APR_HAS_PROC_PTHREAD_SERIALIZE    1

#define APR_PROCESS_LOCK_IS_GLOBAL        0

#define APR_HAVE_CORKABLE_TCP   1 
#define APR_HAVE_GETRLIMIT      1
#define APR_HAVE_IN_ADDR        1
#define APR_HAVE_INET_ADDR      1
#define APR_HAVE_INET_NETWORK   1
#define APR_HAVE_IPV6           1
#define APR_HAVE_MEMMOVE        1
#define APR_HAVE_SETRLIMIT      1
#define APR_HAVE_SIGACTION      1
#define APR_HAVE_SIGSUSPEND     1
#define APR_HAVE_SIGWAIT        1
#define APR_HAVE_SA_STORAGE     1
#define APR_HAVE_STRCASECMP     1
#define APR_HAVE_STRDUP         1
#define APR_HAVE_STRICMP        0
#define APR_HAVE_STRNCASECMP    1
#define APR_HAVE_STRNICMP       0
#define APR_HAVE_STRSTR         1
#define APR_HAVE_MEMCHR         1
#define APR_HAVE_STRUCT_RLIMIT  1
#define APR_HAVE_UNION_SEMUN    0
#define APR_HAVE_SCTP           0
#define APR_HAVE_IOVEC          1

/*  APR Feature Macros */
#define APR_HAS_SHARED_MEMORY     1
#define APR_HAS_THREADS           1
#define APR_HAS_SENDFILE          1
#define APR_HAS_MMAP              1
#define APR_HAS_FORK              1
#define APR_HAS_RANDOM            1
#define APR_HAS_OTHER_CHILD       1
#define APR_HAS_DSO               1
#define APR_HAS_SO_ACCEPTFILTER   0
#define APR_HAS_UNICODE_FS        0
#define APR_HAS_PROC_INVOKED      0
#define APR_HAS_USER              1
#define APR_HAS_LARGE_FILES       1
#define APR_HAS_XTHREAD_FILES     0
#define APR_HAS_OS_UUID           1

#define APR_PROCATTR_USER_SET_REQUIRES_PASSWORD 0

/* APR sets APR_FILES_AS_SOCKETS to 1 on systems where it is possible
 * to poll on files/pipes.
 */
#define APR_FILES_AS_SOCKETS      1

/* This macro indicates whether or not EBCDIC is the native character set.
 */
#define APR_CHARSET_EBCDIC        0

/* If we have a TCP implementation that can be "corked", what flag
 * do we use?
 */
#define APR_TCP_NOPUSH_FLAG       TCP_CORK

/* Is the TCP_NODELAY socket option inherited from listening sockets?
*/
#define APR_TCP_NODELAY_INHERITED 1

/* Is the O_NONBLOCK flag inherited from listening sockets?
*/
#define APR_O_NONBLOCK_INHERITED 0

/* Typedefs that APR needs. */

typedef  unsigned char           apr_byte_t;

typedef  short           apr_int16_t;
typedef  unsigned short  apr_uint16_t;

typedef  int             apr_int32_t;
typedef  unsigned int    apr_uint32_t;

#define APR_SIZEOF_VOIDP 4

/*
 * Darwin 10's default compiler (gcc42) builds for both 64 and
 * 32 bit architectures unless specifically told not to.
 * In those cases, we need to override types depending on how
 * we're being built at compile time.
 * NOTE: This is an ugly work-around for Darwin's
 * concept of universal binaries, a single package
 * (executable, lib, etc...) which contains both 32
 * and 64 bit versions. The issue is that if APR is
 * built universally, if something else is compiled
 * against it, some bit sizes will depend on whether
 * it is 32 or 64 bit. This is determined by the __LP64__
 * flag. Since we need to support both, we have to
 * handle OS X unqiuely.
 */
#ifdef DARWIN_10
#undef APR_SIZEOF_VOIDP
#undef INT64_C
#undef UINT64_C
#ifdef __LP64__
 typedef  long            apr_int64_t;
 typedef  unsigned long   apr_uint64_t;
 #define APR_SIZEOF_VOIDP     8
 #define INT64_C(v)   (v ## L)
 #define UINT64_C(v)  (v ## UL)
#else
 typedef  long long            apr_int64_t;
 typedef  unsigned long long   apr_uint64_t;
 #define APR_SIZEOF_VOIDP     4
 #define INT64_C(v)   (v ## LL)
 #define UINT64_C(v)  (v ## ULL)
#endif
#else
 typedef  long long            apr_int64_t;
 typedef  unsigned long long   apr_uint64_t;
#endif

typedef  size_t          apr_size_t;
typedef  ssize_t         apr_ssize_t;
typedef  off64_t           apr_off_t;
typedef  socklen_t       apr_socklen_t;
typedef  unsigned long           apr_ino_t;

#if APR_SIZEOF_VOIDP == 8
typedef  apr_uint64_t            apr_uintptr_t;
#else
typedef  apr_uint32_t            apr_uintptr_t;
#endif

/* Are we big endian? */
#define APR_IS_BIGENDIAN        1

/* Mechanisms to properly type numeric literals */
#define APR_INT64_C(val) INT64_C(val)
#define APR_UINT64_C(val) UINT64_C(val)

#ifdef INT16_MIN
#define APR_INT16_MIN   INT16_MIN
#else
#define APR_INT16_MIN   (-0x7fff - 1)
#endif

#ifdef INT16_MAX
#define APR_INT16_MAX  INT16_MAX
#else
#define APR_INT16_MAX   (0x7fff)
#endif

#ifdef UINT16_MAX
#define APR_UINT16_MAX  UINT16_MAX
#else
#define APR_UINT16_MAX  (0xffff)
#endif

#ifdef INT32_MIN
#define APR_INT32_MIN   INT32_MIN
#else
#define APR_INT32_MIN   (-0x7fffffff - 1)
#endif

#ifdef INT32_MAX
#define APR_INT32_MAX  INT32_MAX
#else
#define APR_INT32_MAX  0x7fffffff
#endif

#ifdef UINT32_MAX
#define APR_UINT32_MAX  UINT32_MAX
#else
#define APR_UINT32_MAX  (0xffffffffU)
#endif

#ifdef INT64_MIN
#define APR_INT64_MIN   INT64_MIN
#else
#define APR_INT64_MIN   (APR_INT64_C(-0x7fffffffffffffff) - 1)
#endif

#ifdef INT64_MAX
#define APR_INT64_MAX   INT64_MAX
#else
#define APR_INT64_MAX   APR_INT64_C(0x7fffffffffffffff)
#endif

#ifdef UINT64_MAX
#define APR_UINT64_MAX  UINT64_MAX
#else
#define APR_UINT64_MAX  APR_UINT64_C(0xffffffffffffffff)
#endif

#define APR_SIZE_MAX    (~((apr_size_t)0))


/* Definitions that APR programs need to work properly. */

/**
 * APR public API wrap for C++ compilers.
 */
#ifdef __cplusplus
#define APR_BEGIN_DECLS     extern "C" {
#define APR_END_DECLS       }
#else
#define APR_BEGIN_DECLS
#define APR_END_DECLS
#endif

/** 
 * Thread callbacks from APR functions must be declared with APR_THREAD_FUNC, 
 * so that they follow the platform's calling convention.
 */
/**
 * @code
 * void* APR_THREAD_FUNC my_thread_entry_fn(apr_thread_t *thd, void *data);
 * @endcode
 */
#define APR_THREAD_FUNC       

/**
 * The public APR functions are declared with APR_DECLARE(), so they may
 * use the most appropriate calling convention.  Public APR functions with 
 * variable arguments must use APR_DECLARE_NONSTD().
 *
 * @remark Both the declaration and implementations must use the same macro.
 *
 * <PRE>
 * APR_DECLARE(rettype) apr_func(args)
 * </PRE>
 * @see APR_DECLARE_NONSTD @see APR_DECLARE_DATA
 * @remark Note that when APR compiles the library itself, it passes the 
 * symbol -DAPR_DECLARE_EXPORT to the compiler on some platforms (e.g. Win32) 
 * to export public symbols from the dynamic library build.\n
 * The user must define the APR_DECLARE_STATIC when compiling to target
 * the static APR library on some platforms (e.g. Win32.)  The public symbols 
 * are neither exported nor imported when APR_DECLARE_STATIC is defined.\n
 * By default, compiling an application and including the APR public
 * headers, without defining APR_DECLARE_STATIC, will prepare the code to be
 * linked to the dynamic library.
 */
#define APR_DECLARE(type)            type 

/**
 * The public APR functions using variable arguments are declared with 
 * APR_DECLARE_NONSTD(), as they must follow the C language calling convention.
 * @see APR_DECLARE @see APR_DECLARE_DATA
 * @remark Both the declaration and implementations must use the same macro.
 */
/**
 * @code
 * APR_DECLARE_NONSTD(rettype) apr_func(args, ...);
 * @endcode
 */
#define APR_DECLARE_NONSTD(type)     type

/**
 * The public APR variables are declared with AP_MODULE_DECLARE_DATA.
 * This assures the appropriate indirection is invoked at compile time.
 * @see APR_DECLARE @see APR_DECLARE_NONSTD
 * @remark Note that the declaration and implementations use different forms,
 * but both must include the macro.
 * 
 */
/**
 * @code
 * extern APR_DECLARE_DATA type apr_variable;\n
 * APR_DECLARE_DATA type apr_variable = value;
 * @endcode
 */
#define APR_DECLARE_DATA

/* Define APR_SSIZE_T_FMT.  
 * If ssize_t is an integer we define it to be "d",
 * if ssize_t is a long int we define it to be "ld",
 * if ssize_t is neither we declare an error here.
 * I looked for a better way to define this here, but couldn't find one, so
 * to find the logic for this definition search for "ssize_t_fmt" in
 * configure.in.
 */

#define APR_SSIZE_T_FMT "d"

/* And APR_SIZE_T_FMT */
#define APR_SIZE_T_FMT "u"

/* And APR_OFF_T_FMT */
#define APR_OFF_T_FMT APR_INT64_T_FMT

/* And APR_PID_T_FMT */
#define APR_PID_T_FMT "d"

/* And APR_INT64_T_FMT */
#define APR_INT64_T_FMT "lld"

/* And APR_UINT64_T_FMT */
#define APR_UINT64_T_FMT "llu"

/* And APR_UINT64_T_HEX_FMT */
#define APR_UINT64_T_HEX_FMT "llx"

/*
 * Ensure we work with universal binaries on Darwin
 */
#ifdef DARWIN_10

#undef APR_HAS_LARGE_FILES
#undef APR_SIZEOF_VOIDP
#undef APR_INT64_T_FMT
#undef APR_UINT64_T_FMT
#undef APR_UINT64_T_HEX_FMT

#ifdef __LP64__
 #define APR_HAS_LARGE_FILES  0
 #define APR_SIZEOF_VOIDP     8
 #define APR_INT64_T_FMT      "ld"
 #define APR_UINT64_T_FMT     "lu"
 #define APR_UINT64_T_HEX_FMT "lx"
#else
 #define APR_HAS_LARGE_FILES  1
 #define APR_SIZEOF_VOIDP     4
 #define APR_INT64_T_FMT      "lld"
 #define APR_UINT64_T_FMT     "llu"
 #define APR_UINT64_T_HEX_FMT "llx"
#endif

#undef APR_IS_BIGENDIAN
#ifdef __BIG_ENDIAN__
 #define APR_IS_BIGENDIAN       1
#else
 #define APR_IS_BIGENDIAN       0
#endif

#undef APR_OFF_T_FMT
#define APR_OFF_T_FMT "lld"

#endif /* DARWIN_10 */

/* Does the proc mutex lock threads too */
#define APR_PROC_MUTEX_IS_GLOBAL      0

/* Local machine definition for console and log output. */
#define APR_EOL_STR              "\n"

#if APR_HAVE_SYS_WAIT_H
#ifdef WEXITSTATUS
#define apr_wait_t       int
#else
#define apr_wait_t       union wait
#define WEXITSTATUS(status)    (int)((status).w_retcode)
#define WTERMSIG(status)       (int)((status).w_termsig)
#endif /* !WEXITSTATUS */
#elif defined(__MINGW32__)
typedef int apr_wait_t;
#endif /* HAVE_SYS_WAIT_H */

#if defined(PATH_MAX)
#define APR_PATH_MAX       PATH_MAX
#elif defined(_POSIX_PATH_MAX)
#define APR_PATH_MAX       _POSIX_PATH_MAX
#else
#warning no decision has been made on APR_PATH_MAX for your platform
#define APR_PATH_MAX 4096
#endif

#define APR_DSOPATH "LD_LIBRARY_PATH"

/** @} */

/* Definitions that only Win32 programs need to compile properly. */

/* XXX These simply don't belong here, perhaps in apr_portable.h
 * based on some APR_HAVE_PID/GID/UID?
 */
#ifdef __MINGW32__
#ifndef __GNUC__
typedef  int         pid_t;
#endif
typedef  int         uid_t;
typedef  int         gid_t;
#endif

#ifdef __cplusplus
}
#endif

#endif /* APR_H */