1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/intl/icu/source/common/umapfile.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,55 @@
1.4 +/*
1.5 +******************************************************************************
1.6 +*
1.7 +* Copyright (C) 1999-2011, International Business Machines
1.8 +* Corporation and others. All Rights Reserved.
1.9 +*
1.10 +******************************************************************************/
1.11 +
1.12 +/*----------------------------------------------------------------------------------
1.13 + *
1.14 + * Memory mapped file wrappers for use by the ICU Data Implementation
1.15 + *
1.16 + * Porting note: The implementation of these functions is very platform specific.
1.17 + * Not all platforms can do real memory mapping. Those that can't
1.18 + * still must implement these functions, getting the data into memory using
1.19 + * whatever means are available.
1.20 + *
1.21 + * These functions are part of the ICU internal implementation, and
1.22 + * are not inteded to be used directly by applications.
1.23 + *
1.24 + *----------------------------------------------------------------------------------*/
1.25 +
1.26 +#ifndef __UMAPFILE_H__
1.27 +#define __UMAPFILE_H__
1.28 +
1.29 +#include "unicode/putil.h"
1.30 +#include "unicode/udata.h"
1.31 +#include "putilimp.h"
1.32 +
1.33 +U_CFUNC UBool uprv_mapFile(UDataMemory *pdm, const char *path);
1.34 +U_CFUNC void uprv_unmapFile(UDataMemory *pData);
1.35 +
1.36 +/* MAP_NONE: no memory mapping, no file access at all */
1.37 +#define MAP_NONE 0
1.38 +#define MAP_WIN32 1
1.39 +#define MAP_POSIX 2
1.40 +#define MAP_STDIO 3
1.41 +#define MAP_390DLL 4
1.42 +
1.43 +#if UCONFIG_NO_FILE_IO
1.44 +# define MAP_IMPLEMENTATION MAP_NONE
1.45 +#elif U_PLATFORM_USES_ONLY_WIN32_API
1.46 +# define MAP_IMPLEMENTATION MAP_WIN32
1.47 +#elif U_HAVE_MMAP || U_PLATFORM == U_PF_OS390
1.48 +# if U_PLATFORM == U_PF_OS390 && defined (OS390_STUBDATA)
1.49 + /* No memory mapping for 390 batch mode. Fake it using dll loading. */
1.50 +# define MAP_IMPLEMENTATION MAP_390DLL
1.51 +# else
1.52 +# define MAP_IMPLEMENTATION MAP_POSIX
1.53 +# endif
1.54 +#else /* unknown platform, no memory map implementation: use stdio.h and uprv_malloc() instead */
1.55 +# define MAP_IMPLEMENTATION MAP_STDIO
1.56 +#endif
1.57 +
1.58 +#endif
