1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/test/include/sys/reent.h	Sun Oct 07 06:27:12 2007 +0000
     1.3 @@ -0,0 +1,238 @@
     1.4 +/* This header file provides the reentrancy.  */
     1.5 +
     1.6 +/* WARNING: All identifiers here must begin with an underscore.  This file is
     1.7 +   included by stdio.h and others and we therefore must only use identifiers
     1.8 +   in the namespace allotted to us.  */
     1.9 +
    1.10 +#ifndef _SYS_REENT_H_
    1.11 +#ifdef __cplusplus
    1.12 +extern "C" {
    1.13 +#endif
    1.14 +#define _SYS_REENT_H_
    1.15 +
    1.16 +#include <_ansi.h>
    1.17 +#include <time.h>
    1.18 +
    1.19 +#ifndef __Long
    1.20 +#if __LONG_MAX__ == 2147483647L
    1.21 +#define __Long long
    1.22 +typedef unsigned __Long __ULong;
    1.23 +#elif __INT_MAX__ == 2147483647
    1.24 +#define __Long int
    1.25 +typedef unsigned __Long __ULong;
    1.26 +#endif
    1.27 +#endif
    1.28 +
    1.29 +#ifndef __Long
    1.30 +#define __Long __int32_t
    1.31 +typedef __uint32_t __ULong;
    1.32 +#endif
    1.33 +
    1.34 +struct _glue 
    1.35 +{
    1.36 +  struct _glue *_next;
    1.37 +  int _niobs;
    1.38 +  struct __sFILE *_iobs;
    1.39 +};
    1.40 +
    1.41 +struct _Bigint 
    1.42 +{
    1.43 +  struct _Bigint *_next;
    1.44 +  int _k, _maxwds, _sign, _wds;
    1.45 +  __ULong _x[1];
    1.46 +};
    1.47 +
    1.48 +/*
    1.49 + * atexit() support
    1.50 + */
    1.51 +
    1.52 +#define	_ATEXIT_SIZE 32	/* must be at least 32 to guarantee ANSI conformance */
    1.53 +
    1.54 +struct _atexit {
    1.55 +	struct	_atexit *_next;			/* next in list */
    1.56 +	int	_ind;				/* next index in this table */
    1.57 +	void	(*_fns[_ATEXIT_SIZE])(void);	/* the table itself */
    1.58 +};
    1.59 +
    1.60 +/*
    1.61 + * Stdio buffers.
    1.62 + *
    1.63 + * This and __sFILE are defined here because we need them for struct _reent,
    1.64 + * but we don't want stdio.h included when stdlib.h is.
    1.65 + */
    1.66 +
    1.67 +struct __sbuf {
    1.68 +	unsigned char *_base;
    1.69 +	int	_size;
    1.70 +};
    1.71 +
    1.72 +/*
    1.73 + * We need fpos_t for the following, but it doesn't have a leading "_",
    1.74 + * so we use _fpos_t instead.
    1.75 + */
    1.76 +
    1.77 +typedef long _fpos_t;		/* XXX must match off_t in <sys/types.h> */
    1.78 +				/* (and must be `long' for now) */
    1.79 +
    1.80 +/*
    1.81 + * Stdio state variables.
    1.82 + *
    1.83 + * The following always hold:
    1.84 + *
    1.85 + *	if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR),
    1.86 + *		_lbfsize is -_bf._size, else _lbfsize is 0
    1.87 + *	if _flags&__SRD, _w is 0
    1.88 + *	if _flags&__SWR, _r is 0
    1.89 + *
    1.90 + * This ensures that the getc and putc macros (or inline functions) never
    1.91 + * try to write or read from a file that is in `read' or `write' mode.
    1.92 + * (Moreover, they can, and do, automatically switch from read mode to
    1.93 + * write mode, and back, on "r+" and "w+" files.)
    1.94 + *
    1.95 + * _lbfsize is used only to make the inline line-buffered output stream
    1.96 + * code as compact as possible.
    1.97 + *
    1.98 + * _ub, _up, and _ur are used when ungetc() pushes back more characters
    1.99 + * than fit in the current _bf, or when ungetc() pushes back a character
   1.100 + * that does not match the previous one in _bf.  When this happens,
   1.101 + * _ub._base becomes non-nil (i.e., a stream has ungetc() data iff
   1.102 + * _ub._base!=NULL) and _up and _ur save the current values of _p and _r.
   1.103 + */
   1.104 +
   1.105 +struct __sFILE {
   1.106 +  unsigned char *_p;	/* current position in (some) buffer */
   1.107 +  int	_r;		/* read space left for getc() */
   1.108 +  int	_w;		/* write space left for putc() */
   1.109 +  short	_flags;		/* flags, below; this FILE is free if 0 */
   1.110 +  short	_file;		/* fileno, if Unix descriptor, else -1 */
   1.111 +  struct __sbuf _bf;	/* the buffer (at least 1 byte, if !NULL) */
   1.112 +  int	_lbfsize;	/* 0 or -_bf._size, for inline putc */
   1.113 +
   1.114 +  /* operations */
   1.115 +  _PTR	_cookie;	/* cookie passed to io functions */
   1.116 +
   1.117 +  int	_EXFUN((*_read),(_PTR _cookie, char *_buf, int _n));
   1.118 +  int	_EXFUN((*_write),(_PTR _cookie, const char *_buf, int _n));
   1.119 +  _fpos_t _EXFUN((*_seek),(_PTR _cookie, _fpos_t _offset, int _whence));
   1.120 +  int	_EXFUN((*_close),(_PTR _cookie));
   1.121 +
   1.122 +  /* separate buffer for long sequences of ungetc() */
   1.123 +  struct __sbuf _ub;	/* ungetc buffer */
   1.124 +  unsigned char *_up;	/* saved _p when _p is doing ungetc data */
   1.125 +  int	_ur;		/* saved _r when _r is counting ungetc data */
   1.126 +
   1.127 +  /* tricks to meet minimum requirements even when malloc() fails */
   1.128 +  unsigned char _ubuf[3];	/* guarantee an ungetc() buffer */
   1.129 +  unsigned char _nbuf[1];	/* guarantee a getc() buffer */
   1.130 +
   1.131 +  /* separate buffer for fgetline() when line crosses buffer boundary */
   1.132 +  struct __sbuf _lb;	/* buffer for fgetline() */
   1.133 +
   1.134 +  /* Unix stdio files get aligned to block boundaries on fseek() */
   1.135 +  int	_blksize;	/* stat.st_blksize (may be != _bf._size) */
   1.136 +  int	_offset;	/* current lseek offset */
   1.137 +
   1.138 +  struct _reent *_data;
   1.139 +};
   1.140 +
   1.141 +/*
   1.142 + * struct _reent
   1.143 + *
   1.144 + * This structure contains *all* globals needed by the library.
   1.145 + * It's raison d'etre is to facilitate threads by making all library routines
   1.146 + * reentrant.  IE: All state information is contained here.
   1.147 + */
   1.148 +
   1.149 +struct _reent
   1.150 +{
   1.151 +  /* local copy of errno */
   1.152 +  int _errno;
   1.153 +
   1.154 +  /* FILE is a big struct and may change over time.  To try to achieve binary
   1.155 +     compatibility with future versions, put stdin,stdout,stderr here.
   1.156 +     These are pointers into member __sf defined below.  */
   1.157 +  struct __sFILE *_stdin, *_stdout, *_stderr;
   1.158 +
   1.159 +  int  _inc;			/* used by tmpnam */
   1.160 +  char _emergency[25];
   1.161 + 
   1.162 +  int _current_category;	/* used by setlocale */
   1.163 +  _CONST char *_current_locale;
   1.164 +
   1.165 +  int __sdidinit;		/* 1 means stdio has been init'd */
   1.166 +
   1.167 +  void _EXFUN((*__cleanup),(struct _reent *));
   1.168 +
   1.169 +  /* used by mprec routines */
   1.170 +  struct _Bigint *_result;
   1.171 +  int _result_k;
   1.172 +  struct _Bigint *_p5s;
   1.173 +  struct _Bigint **_freelist;
   1.174 +
   1.175 +  /* used by some fp conversion routines */
   1.176 +  int _cvtlen;			/* should be size_t */
   1.177 +  char *_cvtbuf;
   1.178 +
   1.179 +  union
   1.180 +    {
   1.181 +      struct
   1.182 +        {
   1.183 +          unsigned int _rand_next;
   1.184 +          char * _strtok_last;
   1.185 +          char _asctime_buf[26];
   1.186 +          struct tm _localtime_buf;
   1.187 +          int _gamma_signgam;
   1.188 +        } _reent;
   1.189 +  /* Two next two fields were once used by malloc.  They are no longer
   1.190 +     used. They are used to preserve the space used before so as to
   1.191 +     allow addition of new reent fields and keep binary compatibility.   */ 
   1.192 +      struct
   1.193 +        {
   1.194 +#define _N_LISTS 30
   1.195 +          unsigned char * _nextf[_N_LISTS];
   1.196 +          unsigned int _nmalloc[_N_LISTS];
   1.197 +        } _unused;
   1.198 +    } _new;
   1.199 +
   1.200 +  /* atexit stuff */
   1.201 +  struct _atexit *_atexit;	/* points to head of LIFO stack */
   1.202 +  struct _atexit _atexit0;	/* one guaranteed table, required by ANSI */
   1.203 +
   1.204 +  /* signal info */
   1.205 +  void (**(_sig_func))(int);
   1.206 +
   1.207 +  /* These are here last so that __sFILE can grow without changing the offsets
   1.208 +     of the above members (on the off chance that future binary compatibility
   1.209 +     would be broken otherwise).  */
   1.210 +  struct _glue __sglue;			/* root of glue chain */
   1.211 +  struct __sFILE __sf[3];		/* first three file descriptors */
   1.212 +};
   1.213 +
   1.214 +#define _REENT_INIT(var) \
   1.215 +  { 0, &var.__sf[0], &var.__sf[1], &var.__sf[2], 0, "", 0, "C", \
   1.216 +    0, NULL, NULL, 0, NULL, NULL, 0, NULL, { {1, NULL, "", \
   1.217 +    { 0,0,0,0,0,0,0,0}, 0 } } }
   1.218 +
   1.219 +/*
   1.220 + * All references to struct _reent are via this pointer.
   1.221 + * Internally, newlib routines that need to reference it should use _REENT.
   1.222 + */
   1.223 +
   1.224 +#ifndef __ATTRIBUTE_IMPURE_PTR__
   1.225 +#define __ATTRIBUTE_IMPURE_PTR__
   1.226 +#endif
   1.227 +
   1.228 +extern struct _reent *_impure_ptr __ATTRIBUTE_IMPURE_PTR__;
   1.229 +
   1.230 +void _reclaim_reent _PARAMS ((struct _reent *));
   1.231 +
   1.232 +/* #define _REENT_ONLY define this to get only reentrant routines */
   1.233 +
   1.234 +#ifndef _REENT_ONLY
   1.235 +#define _REENT _impure_ptr
   1.236 +#endif
   1.237 +
   1.238 +#ifdef __cplusplus
   1.239 +}
   1.240 +#endif
   1.241 +#endif /* _SYS_REENT_H_ */