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comparison: intl/icu/source/common/umapfile.h
intl/icu/source/common/umapfile.h
- branch
- TOR_BUG_3246
- changeset 4
- fc2d59ddac77
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| -1:000000000000 | 0:88b3a4202a15 |
|---|---|
| 1 /* | |
| 2 ****************************************************************************** | |
| 3 * | |
| 4 * Copyright (C) 1999-2011, International Business Machines | |
| 5 * Corporation and others. All Rights Reserved. | |
| 6 * | |
| 7 ******************************************************************************/ | |
| 8 | |
| 9 /*---------------------------------------------------------------------------------- | |
| 10 * | |
| 11 * Memory mapped file wrappers for use by the ICU Data Implementation | |
| 12 * | |
| 13 * Porting note: The implementation of these functions is very platform specific. | |
| 14 * Not all platforms can do real memory mapping. Those that can't | |
| 15 * still must implement these functions, getting the data into memory using | |
| 16 * whatever means are available. | |
| 17 * | |
| 18 * These functions are part of the ICU internal implementation, and | |
| 19 * are not inteded to be used directly by applications. | |
| 20 * | |
| 21 *----------------------------------------------------------------------------------*/ | |
| 22 | |
| 23 #ifndef __UMAPFILE_H__ | |
| 24 #define __UMAPFILE_H__ | |
| 25 | |
| 26 #include "unicode/putil.h" | |
| 27 #include "unicode/udata.h" | |
| 28 #include "putilimp.h" | |
| 29 | |
| 30 U_CFUNC UBool uprv_mapFile(UDataMemory *pdm, const char *path); | |
| 31 U_CFUNC void uprv_unmapFile(UDataMemory *pData); | |
| 32 | |
| 33 /* MAP_NONE: no memory mapping, no file access at all */ | |
| 34 #define MAP_NONE 0 | |
| 35 #define MAP_WIN32 1 | |
| 36 #define MAP_POSIX 2 | |
| 37 #define MAP_STDIO 3 | |
| 38 #define MAP_390DLL 4 | |
| 39 | |
| 40 #if UCONFIG_NO_FILE_IO | |
| 41 # define MAP_IMPLEMENTATION MAP_NONE | |
| 42 #elif U_PLATFORM_USES_ONLY_WIN32_API | |
| 43 # define MAP_IMPLEMENTATION MAP_WIN32 | |
| 44 #elif U_HAVE_MMAP || U_PLATFORM == U_PF_OS390 | |
| 45 # if U_PLATFORM == U_PF_OS390 && defined (OS390_STUBDATA) | |
| 46 /* No memory mapping for 390 batch mode. Fake it using dll loading. */ | |
| 47 # define MAP_IMPLEMENTATION MAP_390DLL | |
| 48 # else | |
| 49 # define MAP_IMPLEMENTATION MAP_POSIX | |
| 50 # endif | |
| 51 #else /* unknown platform, no memory map implementation: use stdio.h and uprv_malloc() instead */ | |
| 52 # define MAP_IMPLEMENTATION MAP_STDIO | |
| 53 #endif | |
| 54 | |
| 55 #endif |
