242 lines
6.7 KiB
C
242 lines
6.7 KiB
C
/////////////////////////////////////////////////////////////////////////
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// $Id$
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2001-2009 The Bochs Project
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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/////////////////////////////////////////////////////////////////////////
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//
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// osdep.h
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//
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// requires Bit32u/Bit64u from config.h, size_t from stdio.h
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//
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// Operating system dependent includes and defines for Bochs. These
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// declarations can be included by C or C++., but they require definition of
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// size_t beforehand. This makes it difficult to place them into either
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// config.h or bochs.h. If in config.h, size_t is not always available yet.
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// If in bochs.h, they can't be included by C programs so they lose.
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//
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#ifndef BX_OSDEP_H
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#define BX_OSDEP_H
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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//////////////////////////////////////////////////////////////////////
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// Hacks for win32, but exclude MINGW32 because it doesn't need them.
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//////////////////////////////////////////////////////////////////////
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#ifdef WIN32
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// Definitions that are needed for all WIN32 compilers.
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# define ssize_t long
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#ifndef __MINGW32__
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// Definitions that are needed for WIN32 compilers EXCEPT FOR
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// cygwin compiling with -mno-cygwin. e.g. VC++.
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#if !defined(_MSC_VER) // gcc without -mno-cygwin
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#define FMT_LL "%ll"
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#define FMT_TICK "%011llu"
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#define FMT_ADDRX64 "%016llx"
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#else
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#define FMT_LL "%I64"
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#define FMT_TICK "%011I64u"
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#define FMT_ADDRX64 "%016I64x"
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#endif
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// always return regular file.
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#ifndef S_ISREG
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# define S_ISREG(m) (((m) & S_IFMT) == S_IFREG)
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#endif
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#ifndef S_ISCHR
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# define S_ISCHR(m) (((m) & S_IFMT) == S_IFCHR)
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#endif
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// win32 has snprintf though with different name.
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#define snprintf _snprintf
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#define vsnprintf _vsnprintf
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#undef BX_HAVE_SNPRINTF
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#undef BX_HAVE_VSNPRINTF
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#define BX_HAVE_SNPRINTF 1
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#define BX_HAVE_VSNPRINTF 1
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#if defined(_MSC_VER)
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#define access _access
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#define fdopen _fdopen
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#define mktemp _mktemp
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#define off_t __int64
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#define lseek _lseeki64
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#define fstat _fstati64
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#define stat _stati64
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#define read _read
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#define write _write
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#define open _open
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#define close _close
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#define unlink _unlink
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#define strdup _strdup
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#define strrev _strrev
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#define stricmp _stricmp
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#define getch _getch
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#define strtoull _strtoui64
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#endif
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#else /* __MINGW32__ defined */
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// Definitions for cygwin compiled with -mno-cygwin
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#define FMT_LL "%I64"
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#define FMT_TICK "%011I64u"
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#define FMT_ADDRX64 "%016I64x"
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#define off_t __int64
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#define lseek _lseeki64
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#endif /* __MINGW32__ defined */
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#else /* not WIN32 definitions */
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#if SIZEOF_UNSIGNED_LONG == 8
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#define FMT_LL "%l"
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#define FMT_TICK "%011lu"
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#define FMT_ADDRX64 "%016lx"
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#else
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#define FMT_LL "%ll"
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#define FMT_TICK "%011llu"
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#define FMT_ADDRX64 "%016llx"
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#endif
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#endif /* not WIN32 definitions */
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#define FMT_ADDRX32 "%08x"
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// Missing defines for open
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#ifndef S_IRUSR
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#define S_IRUSR 0400
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#define S_IWUSR 0200
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#endif
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#ifndef S_IRGRP
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#define S_IRGRP 0040
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#define S_IWGRP 0020
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#endif
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#ifndef S_IROTH
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#define S_IROTH 0004
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#define S_IWOTH 0002
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#endif
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//////////////////////////////////////////////////////////////////////
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// Missing library functions.
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// These should work on any platform that needs them.
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//
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// A missing library function is renamed to a bx_* function, so that when
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// debugging and linking there's no confusion over which version is used.
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// Because of renaming, the bx_* replacement functions can be tested on
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// machines which have the real library function without duplicate symbols.
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//
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// If you're considering implementing a missing library function, note
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// that it might be cleaner to conditionally disable the function call!
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//////////////////////////////////////////////////////////////////////
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#if !BX_HAVE_SNPRINTF
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#define snprintf bx_snprintf
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extern int bx_snprintf (char *s, size_t maxlen, const char *format, ...);
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#endif
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#if !BX_HAVE_VSNPRINTF
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#define vsnprintf bx_vsnprintf
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extern int bx_vsnprintf (char *s, size_t maxlen, const char *format, va_list arg);
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#endif
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#if BX_HAVE_STRTOULL
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// great, just use the usual function
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#elif BX_HAVE_STRTOUQ
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// they have strtouq and not strtoull
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#define strtoull strtouq
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#else
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#define strtoull bx_strtoull
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extern Bit64u bx_strtoull (const char *nptr, char **endptr, int baseignore);
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#endif
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#if !BX_HAVE_STRDUP
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#define strdup bx_strdup
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extern char *bx_strdup(const char *str);
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#endif
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#if !BX_HAVE_STRREV
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#define strrev bx_strrev
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extern char *bx_strrev(char *str);
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#endif
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#if BX_HAVE_STRICMP
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// great, just use the usual function
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#elif BX_HAVE_STRCASECMP
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#define stricmp strcasecmp
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#else
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// FIXME: for now using case sensitive function
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#define stricmp strcmp
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#endif
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#if !BX_HAVE_SOCKLEN_T
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// needed on MacOS X 10.1
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typedef int socklen_t;
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#endif
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#if !BX_HAVE_MKSTEMP
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#define mkstemp bx_mkstemp
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BOCHSAPI_MSVCONLY extern int bx_mkstemp(char *tpl);
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#endif
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//////////////////////////////////////////////////////////////////////
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// Missing library functions, implemented for MacOS only
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//////////////////////////////////////////////////////////////////////
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#if BX_WITH_MACOS
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// fd_read and fd_write are called by floppy.cc to access the Mac
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// floppy drive directly, since the MacOS doesn't have "special"
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// pathnames which map directly to IO devices
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int fd_read(char *buffer, Bit32u offset, Bit32u bytes);
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int fd_write(char *buffer, Bit32u offset, Bit32u bytes);
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int fd_stat(struct stat *buf);
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FILE * fdopen(int fd, const char *type);
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typedef long ssize_t ;
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#endif
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//////////////////////////////////////////////////////////////////////
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// New functions to replace library functions
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// with OS-independent versions
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//////////////////////////////////////////////////////////////////////
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#if BX_HAVE_REALTIME_USEC
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// 64-bit time in useconds.
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extern Bit64u bx_get_realtime64_usec (void);
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#endif
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#ifdef WIN32
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#undef BX_HAVE_MSLEEP
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#define BX_HAVE_MSLEEP 1
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#if !defined(__MINGW32__) && !defined(_MSC_VER)
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#define msleep(msec) _sleep(msec)
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#else
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#define msleep(msec) Sleep(msec)
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#endif
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#endif
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* ifdef BX_OSDEP_H */
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