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arangodb/lib/BasicsC/operating-system.h

611 lines
22 KiB
C

////////////////////////////////////////////////////////////////////////////////
/// @brief High-Performance Database Framework made by triagens
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2004-2012 triagens GmbH, Cologne, Germany
///
/// Licensed 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.
///
/// Copyright holder is triAGENS GmbH, Cologne, Germany
///
/// @author Dr. Frank Celler
/// @author Copyright 2009-2012, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////
#ifndef TRIAGENS_BASICS_C_OPERATING_SYSTEM_H
#define TRIAGENS_BASICS_C_OPERATING_SYSTEM_H 1
#ifndef TRI_WITHIN_COMMON
#error use <BasicsC/common.h>
#endif
// -----------------------------------------------------------------------------
// --SECTION-- global
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @addtogroup OperatingSystem
/// @{
////////////////////////////////////////////////////////////////////////////////
#define GLOBAL_TIMEZONE timezone
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS
#endif
#if defined(__amd64__) || defined(__amd64) || defined(__x86_64__) || defined(__x86_64) || defined(_M_X64) || defined(_M_AMD64)
#undef TRI_PADDING_32
#else
#define TRI_PADDING_32 1
#endif
////////////////////////////////////////////////////////////////////////////////
/// @}
////////////////////////////////////////////////////////////////////////////////
// -----------------------------------------------------------------------------
// --Section-- apple
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @addtogroup OperatingSystem
/// @{
////////////////////////////////////////////////////////////////////////////////
#ifdef __APPLE__
#define TRI_DIR_SEPARATOR_CHAR '/'
#define TRI_DIR_SEPARATOR_STR "/"
#define TRI_HAVE_POSIX 1
#define TRI_HAVE_DLFCN_H 1
#include <stdint.h>
#define TRI_ENABLE_SYSLOG 1
#define TRI_HAVE_DIRENT_H 1
#define TRI_HAVE_GETRLIMIT 1
#define TRI_HAVE_FORK 1
#define TRI_HAVE_SIGNAL_H 1
#define TRI_HAVE_STDBOOL_H 1
#define TRI_HAVE_SYS_RESOURCE_H 1
#define TRI_HAVE_SYS_TIME_H 1
#define TRI_HAVE_SYS_TYPES_H 1
#define TRI_HAVE_SYS_WAIT_H 1
#define TRI_HAVE_UNISTD_H 1
#define TRI_HAVE_TERMIOS_H 1
#define TRI_HAVE_SYS_IOCTL_H 1
#define TRI_HAVE_SCHED_H 1
#define TRI_HAVE_LINUX_SOCKETS 1
#define TRI_HAVE_MACOS_SPIN 1
#define TRI_HAVE_POSIX_THREADS 1
#define TRI_HAVE_POSIX_MMAP 1
#define TRI_HAVE_POSIX_PWD_GRP 1
#define TRI_HAVE_GETPPID 1
#define TRI_HAVE_GETRUSAGE 1
#define TRI_HAVE_GETTIMEOFDAY 1
#define TRI_HAVE_GMTIME_R 1
#define TRI_HAVE_SETGID 1
#define TRI_HAVE_SETUID 1
#define TRI_HAVE_GETGRGID 1
#define TRI_HAVE_GETPWNAM 1
#define TRI_HAVE_GETPWUID 1
#define TRI_HAVE_GETGRNAM 1
#define TRI_HAVE_STRTOLL 1
#define TRI_HAVE_STRTOULL 1
// TODO: add a feature check in configure
#define TRI_HAVE_ANONYMOUS_MMAP 1
#define TRI_OVERLOAD_FUNCS_SIZE_T 1
#define TRI_MISSING_MEMRCHR 1
#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1070
#define TRI_HAVE_GETLINE 1
#endif
#if __WORDSIZE == 64
#define TRI_SIZEOF_SIZE_T 8
#define TRI_ALIGNOF_VOIDP 8
#else
#define TRI_SIZEOF_SIZE_T 4
#define TRI_ALIGNOF_VOIDP 4
#endif
#ifndef SIZE_MAX
#if __WORDSIZE == 64
#define SIZE_MAX (18446744073709551615UL)
#else
#define SIZE_MAX (4294967295U)
#endif
#endif
#define TRI_CHDIR chdir
#define TRI_CLOSE close
#define TRI_CLOSE_SOCKET TRI_closesocket
#define TRI_CREATE(a,b,c) open((a), (b), (c))
#define TRI_GETCWD getcwd
#define TRI_LSEEK lseek
#define TRI_MKDIR(a,b) mkdir((a), (b))
#define TRI_OPEN(a,b) open((a), (b))
#define TRI_READ read
#define TRI_READ_SOCKET(a,b,c,d) TRI_readsocket((a), (b), (c), (d))
#define TRI_RMDIR rmdir
#define TRI_UNLINK unlink
#define TRI_WRITE write
#define TRI_WRITE_SOCKET(a,b,c,d) TRI_writesocket((a), (b), (c), (d))
#define TRI_LAST_ERROR_STR strerror(errno)
#define TRI_uid_t uid_t
#define TRI_gid_t gid_t
#define INVALID_SOCKET -1
#define SOCKET_ERROR -1
#endif
////////////////////////////////////////////////////////////////////////////////
/// @}
////////////////////////////////////////////////////////////////////////////////
// -----------------------------------------------------------------------------
// --SECTION-- cygwin
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @addtogroup OperatingSystem
/// @{
////////////////////////////////////////////////////////////////////////////////
#ifdef __CYGWIN__
#define TRI_DIR_SEPARATOR_CHAR '/'
#define TRI_DIR_SEPARATOR_STR "/"
#define TRI_HAVE_POSIX 1
#define TRI_HAVE_DLFCN_H 1
#include <bits/wordsize.h>
#include <io.h>
#define TRI_ENABLE_SYSLOG 1
#define TRI_HAVE_DIRENT_H 1
#define TRI_HAVE_GETRLIMIT 1
#define TRI_HAVE_FORK 1
#define TRI_HAVE_STDBOOL_H 1
#define TRI_HAVE_SYS_RESOURCE_H 1
#define TRI_HAVE_UNISTD_H 1
#define TRI_HAVE_SYS_TYPES_H 1
#define TRI_HAVE_SYS_WAIT_H 1
#define TRI_HAVE_LINUX_SOCKETS 1
#define TRI_HAVE_POSIX_SPIN 1
#define TRI_HAVE_POSIX_THREADS 1
#define TRI_HAVE_POSIX_MMAP 1
#define TRI_HAVE_POSIX_PWD_GRP 1
#define TRI_HAVE_GETLINE 1
#define TRI_HAVE_GETTIMEOFDAY 1
#define TRI_HAVE_GMTIME_R 1
#define TRI_HAVE_SETGID 1
#define TRI_HAVE_SETUID 1
#define TRI_HAVE_STRTOLL 1
#define TRI_HAVE_STRTOULL 1
#if __WORDSIZE == 64
#define TRI_SIZEOF_SIZE_T 8
#define TRI_ALIGNOF_VOIDP 8
#else
#define TRI_SIZEOF_SIZE_T 4
#define TRI_ALIGNOF_VOIDP 4
#endif
#define TRI_CHDIR chdir
#define TRI_CLOSE close
#define TRI_CLOSE_SOCKET TRI_closesocket
#define TRI_CREATE(a,b,c) open((a), (b), (c))
#define TRI_LSEEK lseek
#define TRI_GETCWD getcwd
#define TRI_MKDIR(a,b) mkdir((a), (b))
#define TRI_OPEN(a,b) open((a), (b))
#define TRI_READ read
#define TRI_READ_SOCKET(a,b,c,d) TRI_readsocket((a), (b), (c), (d))
#define TRI_RMDIR rmdir
#define TRI_UNLINK unlink
#define TRI_WRITE write
#define TRI_WRITE_SOCKET(a,b,c,d) TRI_writesocket((a), (b), (c), (d))
#define TRI_LAST_ERROR_STR strerror(errno)
#define TRI_uid_t uid_t
#define TRI_gid_t gid_t
#define INVALID_SOCKET -1
#define SOCKET_ERROR -1
#endif
////////////////////////////////////////////////////////////////////////////////
/// @}
////////////////////////////////////////////////////////////////////////////////
// -----------------------------------------------------------------------------
// --SECTION-- linux
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @addtogroup OperatingSystem
/// @{
////////////////////////////////////////////////////////////////////////////////
#ifdef __linux__
#define TRI_DIR_SEPARATOR_CHAR '/'
#define TRI_DIR_SEPARATOR_STR "/"
#define TRI_HAVE_POSIX 1
#define TRI_HAVE_DLFCN_H 1
// force posix source
#if ! defined(_POSIX_C_SOURCE)
#define _POSIX_C_SOURCE 200809L
#endif
// first include the features file and then define
#include <features.h>
// for INTxx_MIN and INTxx_MAX
#ifndef __STDC_LIMIT_MACROS
#define __STDC_LIMIT_MACROS 1
#endif
// for usleep
#ifndef __USE_BSD
#define __USE_BSD
#endif
// for pthread_sigmask
#ifndef __cplusplus
#define __USE_UNIX98
#endif
#define TRI_ENABLE_SYSLOG 1
#define TRI_GCC_THREAD_LOCAL_STORAGE 1
#define TRI_HAVE_DIRENT_H 1
#define TRI_HAVE_GETRLIMIT 1
#define TRI_HAVE_FORK 1
#define TRI_HAVE_SIGNAL_H 1
#define TRI_HAVE_STDBOOL_H 1
#define TRI_HAVE_SYS_FILE_H 1
#define TRI_HAVE_SYS_PRCTL_H 1
#define TRI_HAVE_SYS_RESOURCE_H 1
#define TRI_HAVE_SYS_TIME_H 1
#define TRI_HAVE_SYS_TYPES_H 1
#define TRI_HAVE_SYS_WAIT_H 1
#define TRI_HAVE_UNISTD_H 1
#define TRI_HAVE_TERMIOS_H 1
#define TRI_HAVE_SYS_IOCTL_H 1
#define TRI_HAVE_SCHED_H 1
#define TRI_HAVE_LINUX_PROC 1
#define TRI_HAVE_LINUX_SOCKETS 1
#define TRI_HAVE_POSIX_SPIN 1
#define TRI_HAVE_POSIX_THREADS 1
#define TRI_HAVE_POSIX_MMAP 1
#define TRI_HAVE_POSIX_PWD_GRP 1
#define TRI_HAVE_GETLINE 1
#define TRI_HAVE_GETPPID 1
#define TRI_HAVE_GETRUSAGE 1
#define TRI_HAVE_GETTIMEOFDAY 1
#define TRI_HAVE_GMTIME_R 1
#define TRI_HAVE_PRCTL 1
#define TRI_HAVE_SETGID 1
#define TRI_HAVE_SETUID 1
#define TRI_HAVE_GETGRGID 1
#define TRI_HAVE_GETPWNAM 1
#define TRI_HAVE_GETPWUID 1
#define TRI_HAVE_GETGRNAM 1
#define TRI_HAVE_STRTOLL 1
#define TRI_HAVE_STRTOULL 1
// TODO: add a feature check in configure
#define TRI_HAVE_ANONYMOUS_MMAP 1
#if __WORDSIZE == 64
#define TRI_SIZEOF_SIZE_T 8
#define TRI_ALIGNOF_VOIDP 8
#else
#define TRI_SIZEOF_SIZE_T 4
#define TRI_ALIGNOF_VOIDP 4
#endif
#define TRI_CHDIR chdir
#define TRI_CLOSE close
#define TRI_CLOSE_SOCKET TRI_closesocket
#define TRI_CREATE(a,b,c) open((a), (b), (c))
#define TRI_LSEEK lseek
#define TRI_GETCWD getcwd
#define TRI_MKDIR(a,b) mkdir((a), (b))
#define TRI_OPEN(a,b) open((a), (b))
#define TRI_READ read
#define TRI_READ_SOCKET(a,b,c,d) TRI_readsocket((a), (b), (c), (d))
#define TRI_RMDIR rmdir
#define TRI_UNLINK unlink
#define TRI_WRITE write
#define TRI_WRITE_SOCKET(a,b,c,d) TRI_writesocket((a), (b), (c), (d))
#define TRI_LAST_ERROR_STR strerror(errno)
#define TRI_uid_t uid_t
#define TRI_gid_t gid_t
#define INVALID_SOCKET -1
#define SOCKET_ERROR -1
#endif
////////////////////////////////////////////////////////////////////////////////
/// @}
////////////////////////////////////////////////////////////////////////////////
// -----------------------------------------------------------------------------
// --SECTION-- windows
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @addtogroup OperatingSystem
/// @{
////////////////////////////////////////////////////////////////////////////////
#if defined(_WIN32) && defined(_MSC_VER)
#define TRI_DIR_SEPARATOR_CHAR '\\'
#define TRI_DIR_SEPARATOR_STR "\\"
// ..............................................................................
// This directive below suppresses warnings about using the 'new' more secure CRT
// functions.
// ..............................................................................
#define _CRT_SECURE_NO_WARNINGS 1
// ..............................................................................
// This directive below provides a manner in which the 'new' more secure functions
// for example, strcpy is automatically converted to strcpy_s. This is enabled
// by default. We have disabled it here.
// ..............................................................................
//#define _CRT_SECURE_CPP_OVERLOAD_STANDARD_NAMES 1
#include <stdio.h>
#include <io.h>
#include <WinSock2.h>
#define TRI_WIN32_CONSOLE 1
#define TRI_WIN32_THREAD_LOCAL_STORAGE 1
#define TRI_HAVE_DIRECT_H 1
#define TRI_HAVE_PROCESS_H 1
#define TRI_HAVE_SIGNAL_H 1
#define TRI_HAVE_WINSOCK2_H 1
#define TRI_HAVE_GETTID 1
#define TRI_HAVE_GMTIME_S 1
#define TRI_HAVE_STRTOI64 1
#define TRI_HAVE_STRTOUI64 1
#define TRI_HAVE_WIN32_CLOSE_ON_EXEC 1
#define TRI_HAVE_WIN32_GETTIMEOFDAY 1
#define TRI_HAVE_WIN32_FILE_LOCKING 1
#define TRI_HAVE_WIN32_LIST_FILES 1
#define TRI_HAVE_WIN32_NON_BLOCKING 1
#define TRI_HAVE_WIN32_SOCKETS 1
#define TRI_HAVE_WIN32_SYMBOLIC_LINK 1
#define TRI_HAVE_WIN32_THREADS 1
#define TRI_HAVE_WIN32_MMAP 1
#define TRI_HAVE_WIN32_PWD 1
#if __WORDSIZE == 64
#define TRI_SIZEOF_SIZE_T 8
#define TRI_ALIGNOF_VOIDP 8
#else
#define TRI_SIZEOF_SIZE_T 4
#define TRI_ALIGNOF_VOIDP 4
#endif
#define TRI_HAVE_ANONYMOUS_MMAP 1
#define strcasecmp _stricmp
#define strncasecmp _strnicmp
#define snprintf _snprintf
// ..............................................................
// usleep in POSIX is for microseconds - not milliseconds
// has been redefined in win-utils.h
// ..............................................................
#define usleep TRI_usleep
#define sleep TRI_sleep
#define srandom srand
#define fsync _commit
#define isatty _isatty
#define fileno _fileno
#define putenv _putenv
#define tzset _tzset
typedef int ssize_t;
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __cplusplus
}
#endif
#ifndef __BOOL_DEFINED
//typedef unsigned int bool; - this never ever going to work. Problem is sizeof(bool) in VS C++ is 1 byte and
// sizeof(bool) in VS C (C compiler) is -- whatever you want. However, when structures are interchanged between
// C & C++ (as in arango) all hell will break loose.
typedef unsigned char bool;
#define true 1
#define false 0
#endif
#define va_copy(d,s) ((d) = (s))
// we do not have owner read and owner write under windows
// so map these to global read, global write
// these are used when creating a file
#define S_IRUSR _S_IREAD
#define S_IWUSR _S_IWRITE
#define S_IRGRP _S_IREAD
#define S_IWGRP _S_IWRITE
#define O_RDONLY _O_RDONLY
#define TRI_CHDIR _chdir
#define TRI_CLOSE _close
#define TRI_CLOSE_SOCKET TRI_closesocket
/* #define TRI_CREATE(a,b,c) _open((a), (b), (c)) */
#define TRI_CREATE(a,b,c) TRI_createFile((a), (b), (c))
#define TRI_GETCWD _getcwd
#define TRI_LSEEK _lseek
#define TRI_MKDIR(a,b) _mkdir((a))
/* #define TRI_OPEN(a,b) _open((a), (b)) */
#define TRI_OPEN(a,b) TRI_openFile((a), (b))
#define TRI_READ _read
#define TRI_READ_SOCKET(a,b,c,d) TRI_readsocket((a), (b), (c), (d))
#define TRI_RMDIR _rmdir
#define TRI_UNLINK _unlink
#define TRI_WRITE _write
#define TRI_WRITE_SOCKET(a,b,c,d) TRI_writesocket((a), (b), (c), (d))
#define TRI_LAST_ERROR_STR strerror(errno)
// ...........................................................................
// under windows group identifiers and user identifiers are
// security identifiers (SID) which is a variable length structure
// which can (should) not be accessed directly.
// ...........................................................................
#define TRI_uid_t void*
#define TRI_gid_t void*
// ...........................................................................
// windows does not like the keyword inline -- but only if it uses the c compiler
// weird. _inline should work for both I hope
// ...........................................................................
#define inline _inline
// ...........................................................................
// windows uses _alloca instead of alloca
// ...........................................................................
#define alloca _alloca
#define STDIN_FILENO 0
#define STDOUT_FILENO 1
#define STDERR_FILENO 2
#endif
////////////////////////////////////////////////////////////////////////////////
/// @}
////////////////////////////////////////////////////////////////////////////////
// -----------------------------------------------------------------------------
// --SECTION-- posix or windows I/O
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @addtogroup OperatingSystem
/// @{
////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
/// @}
////////////////////////////////////////////////////////////////////////////////
// -----------------------------------------------------------------------------
// --SECTION-- GNU C compiler
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @addtogroup OperatingSystem
/// @{
////////////////////////////////////////////////////////////////////////////////
#ifdef __GNUC__
#define TRI_HAVE_GCC_ATTRIBUTE 1
#define TRI_HAVE_GCC_BUILTIN 1
#endif
////////////////////////////////////////////////////////////////////////////////
/// @}
////////////////////////////////////////////////////////////////////////////////
// -----------------------------------------------------------------------------
// --SECTION-- size_t overloading
// -----------------------------------------------------------------------------
////////////////////////////////////////////////////////////////////////////////
/// @addtogroup OperatingSystem
/// @{
////////////////////////////////////////////////////////////////////////////////
#if defined(TRI_OVERLOAD_FUNCS_SIZE_T)
#if TRI_SIZEOF_SIZE_T == 8
#define sizetint_t uint64_t
#else
#define sizetint_t uint32_t
#endif
#endif
////////////////////////////////////////////////////////////////////////////////
/// @}
////////////////////////////////////////////////////////////////////////////////
#endif
// Local Variables:
// mode: outline-minor
// outline-regexp: "^\\(/// @brief\\|/// {@inheritDoc}\\|/// @addtogroup\\|// --SECTION--\\|/// @\\}\\)"
// End: