author | hgs |
Fri, 17 Sep 2010 19:25:42 +0530 | |
changeset 67 | a1e347446159 |
parent 0 | e4d67989cc36 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: |
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* WARNING: All identifiers here must begin with an underscore. This file is |
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* included by stdio.h and others and we therefore must only use identifiers |
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* in the namespace allotted to us. |
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* |
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* |
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*/ |
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/** |
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@file |
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@publishedAll |
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@released |
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*/ |
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#ifndef _SYS_REENT_H_ |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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#define _SYS_REENT_H_ |
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#include <_ansi.h> |
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#include <sys/stdio_t.h> /* _sFILE type */ |
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#include <time.h> /* for struct tm */ |
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struct _glue |
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{ |
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struct _glue *_next; |
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int _niobs; |
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struct __sFILE *_iobs; |
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}; |
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/** |
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atexit() support |
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*/ |
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#define _ATEXIT_SIZE 32 /* must be at least 32 to guarantee ANSI conformance */ |
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struct _atexit { |
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struct _atexit *_next; /* next in list */ |
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int _ind; /* next index in this table */ |
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void (*_fns[_ATEXIT_SIZE])(void); /* the table itself */ |
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}; |
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/** |
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struct _reent |
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This structure contains *all* globals needed by the library. |
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It's raison d'etre is to facilitate threads by making all library routines |
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reentrant. IE: All state information is contained here. |
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*/ |
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#define _ASCTIME_SIZE (26+8) /* 26 min, plus caution factor! */ |
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#define _MINNARROWBUFSIZE 100 |
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#ifdef __MWERKS__ |
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#pragma warn_padding off |
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#endif |
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struct _reent |
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{ |
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/* local copy of errno */ |
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int _errno; |
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struct __sFILE _sf[3]; /* first three file descriptors: stdin, stdout, stderr */ |
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char *_scanpoint; /* used by strtok */ |
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char _asctime[_ASCTIME_SIZE]; /* used by asctime */ |
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struct tm _struct_tm; /* used by gmtime */ |
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long _next[2]; /* used by rand/srand (64-bit seed for EPOC32) */ |
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int _inc; /* used by tmpnam */ |
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char _tmpnam[37]; /* used by tmpnam & inet_ntoa */ |
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wchar_t _wtmpnam[37]; /* used by tmpnam & inet_ntoa */ |
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void *_netdb; /* used by gethostbyaddr and similar netdb functions */ |
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int _current_category; /* used by setlocale */ |
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const char *_current_locale; |
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int __sdidinit; /* 1 means stdio has been init'd */ |
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void (*__cleanup)(struct _reent *); |
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/* atexit stuff */ |
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struct _atexit *_atexit; /* points to head of LIFO stack */ |
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struct _atexit _atexit0; /* one guaranteed table, required by ANSI */ |
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/* signal info */ |
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void (**(_sig_func))(); |
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struct _glue __sglue; /* root of glue chain for additional sFILE structures */ |
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char **environ; |
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int environ_slots; |
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char* _pNarrowEnvBuffer; |
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int _NEBSize; |
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void *_system; /* Pointer to a C++ POSIX System object - Hands off! */ |
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}; |
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/** |
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The struct _reent is managed on a per-thread basis by EPOC32, so there is no global |
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variable _impure_pointer and everyone has to use _REENT (panics in the event of an |
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error) or REENT2 (which returns a NULL pointer in the event of an error). |
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*/ |
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IMPORT_C void _reclaim_reent (struct _reent*); |
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IMPORT_C void _REENT_INIT (struct _reent*); |
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IMPORT_C struct _reent* ImpurePtr (void); |
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IMPORT_C struct _reent* ImpurePtr2 (void); |
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IMPORT_C void _init_reent (struct _reent*,void*); |
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/** |
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Support for explicit release of all STDLIB resources belonging to this thread |
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*/ |
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IMPORT_C void CloseSTDLIB(); |
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#define _REENT (ImpurePtr()) |
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#define _REENT2 (ImpurePtr2()) |
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#define __errno_r(ptr) ((ptr)->_errno) |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif /* _SYS_REENT_H_ */ |