williamr@2: /*
williamr@2: * Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
williamr@2: * All rights reserved.
williamr@2: * This component and the accompanying materials are made available
williamr@2: * under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members
williamr@2: * which accompanies this distribution, and is available
williamr@2: * at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".
williamr@2: *
williamr@2: * Initial Contributors:
williamr@2: * Nokia Corporation - initial contribution.
williamr@2: *
williamr@2: * Contributors:
williamr@2: *
williamr@2: * Description:
williamr@2: * WARNING: All identifiers here must begin with an underscore.  This file is
williamr@2: * included by stdio.h and others and we therefore must only use identifiers
williamr@2: * in the namespace allotted to us.
williamr@2: * 
williamr@2: *
williamr@2: */
williamr@2: 
williamr@2: 
williamr@2: 
williamr@2: 
williamr@2: 
williamr@2: 
williamr@2: 
williamr@2: /**
williamr@2:  @file
williamr@2:  @publishedAll
williamr@2:  @released
williamr@2: */
williamr@2: 
williamr@2: #ifndef _SYS_REENT_H_
williamr@2: #ifdef __cplusplus
williamr@2: extern "C" {
williamr@2: #endif
williamr@2: 
williamr@2: #define _SYS_REENT_H_
williamr@2: 
williamr@2: #include <_ansi.h>
williamr@2: #include <sys/stdio_t.h>	/* _sFILE type */
williamr@2: #include <time.h>		/* for struct tm */
williamr@2: 
williamr@2: struct _glue 
williamr@2: {
williamr@2:   struct _glue *_next;
williamr@2:   int _niobs;
williamr@2:   struct __sFILE *_iobs;
williamr@2: };
williamr@2: 
williamr@2: /**
williamr@2: atexit() support
williamr@2: */
williamr@2: #define	_ATEXIT_SIZE 32	/* must be at least 32 to guarantee ANSI conformance */
williamr@2: 
williamr@2: struct _atexit {
williamr@2: 	struct	_atexit *_next;			/* next in list */
williamr@2: 	int	_ind;				/* next index in this table */
williamr@2: 	void	(*_fns[_ATEXIT_SIZE])(void);	/* the table itself */
williamr@2: };
williamr@2: 
williamr@2: 
williamr@2: /**
williamr@2: struct _reent
williamr@2: 
williamr@2: This structure contains *all* globals needed by the library.
williamr@2: It's raison d'etre is to facilitate threads by making all library routines
williamr@2: reentrant.  IE: All state information is contained here.
williamr@2: */
williamr@2: 
williamr@2: #define _ASCTIME_SIZE	(26+8)	/* 26 min, plus caution factor! */
williamr@2: #define _MINNARROWBUFSIZE	100
williamr@2: 
williamr@2: #ifdef __MWERKS__
williamr@2:     #pragma warn_padding off
williamr@2: #endif
williamr@2: 
williamr@2: struct _reent
williamr@2: {
williamr@2:   /* local copy of errno */
williamr@2:   int _errno;
williamr@2:   struct __sFILE _sf[3];		/* first three file descriptors: stdin, stdout, stderr */
williamr@2: 
williamr@2:   char *_scanpoint;		/* used by strtok */
williamr@2:   char _asctime[_ASCTIME_SIZE];	/* used by asctime */
williamr@2:   struct tm _struct_tm;		/* used by gmtime */
williamr@2:   long _next[2];		/* used by rand/srand (64-bit seed for EPOC32) */
williamr@2:   int  _inc;			/* used by tmpnam */
williamr@2:   char _tmpnam[37];		/* used by tmpnam & inet_ntoa */
williamr@2:   wchar_t _wtmpnam[37];		/* used by tmpnam & inet_ntoa */
williamr@2:   void *_netdb;			/* used by gethostbyaddr and similar netdb functions */
williamr@2:  
williamr@2:   int _current_category;	/* used by setlocale */
williamr@2:   const char *_current_locale;
williamr@2: 
williamr@2:   int __sdidinit;		/* 1 means stdio has been init'd */
williamr@2: 
williamr@2:   void (*__cleanup)(struct _reent *);
williamr@2: 
williamr@2:   /* atexit stuff */
williamr@2:   struct _atexit *_atexit;	/* points to head of LIFO stack */
williamr@2:   struct _atexit _atexit0;	/* one guaranteed table, required by ANSI */
williamr@2: 
williamr@2:   /* signal info */
williamr@2:   void (**(_sig_func))();
williamr@2: 
williamr@2:   struct _glue __sglue;		/* root of glue chain for additional sFILE structures */
williamr@2: 
williamr@2:   char **environ;
williamr@2:   int environ_slots;
williamr@2: 
williamr@2:   char* _pNarrowEnvBuffer;
williamr@2:   int _NEBSize;
williamr@2: 
williamr@2:   void *_system;		/* Pointer to a C++ POSIX System object - Hands off! */
williamr@2: };
williamr@2: 
williamr@2: /**
williamr@2: The struct _reent is managed on a per-thread basis by EPOC32, so there is no global
williamr@2: variable _impure_pointer and everyone has to use _REENT (panics in the event of an
williamr@2: error) or REENT2 (which returns a NULL pointer in the event of an error).
williamr@2: */
williamr@2: IMPORT_C void		_reclaim_reent	(struct _reent*);
williamr@2: IMPORT_C void		_REENT_INIT	(struct _reent*);
williamr@2: IMPORT_C struct _reent*	ImpurePtr	(void);
williamr@2: IMPORT_C struct _reent* ImpurePtr2	(void);
williamr@2: IMPORT_C void		_init_reent	(struct _reent*,void*);
williamr@2: 
williamr@2: /** 
williamr@2: Support for explicit release of all STDLIB resources belonging to this thread
williamr@2: */
williamr@2: IMPORT_C void CloseSTDLIB();
williamr@2: 
williamr@2: #define _REENT (ImpurePtr())
williamr@2: #define _REENT2 (ImpurePtr2())
williamr@2: #define __errno_r(ptr) ((ptr)->_errno)
williamr@2: 
williamr@2: #ifdef __cplusplus
williamr@2: }
williamr@2: #endif
williamr@2: 
williamr@2: #endif /* _SYS_REENT_H_ */