926 lines
29 KiB
C
926 lines
29 KiB
C
/* This header file provides the reentrancy. */
|
|
|
|
/* WARNING: All identifiers here must begin with an underscore. This file is
|
|
included by stdio.h and others and we therefore must only use identifiers
|
|
in the namespace allotted to us. */
|
|
|
|
#ifndef _SYS_REENT_H_
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
#define _SYS_REENT_H_
|
|
|
|
#include <_ansi.h>
|
|
#include <stddef.h>
|
|
#include <sys/cdefs.h>
|
|
#include <sys/_types.h>
|
|
|
|
#define _NULL 0
|
|
|
|
#ifndef __Long
|
|
#if __LONG_MAX__ == 2147483647L
|
|
#define __Long long
|
|
typedef unsigned __Long __ULong;
|
|
#elif __INT_MAX__ == 2147483647
|
|
#define __Long int
|
|
typedef unsigned __Long __ULong;
|
|
#endif
|
|
#endif
|
|
|
|
#if !defined( __Long)
|
|
#include <sys/types.h>
|
|
#endif
|
|
|
|
#ifndef __machine_flock_t_defined
|
|
#include <sys/lock.h>
|
|
typedef _LOCK_RECURSIVE_T _flock_t;
|
|
#endif
|
|
|
|
#ifndef __Long
|
|
#define __Long __int32_t
|
|
typedef __uint32_t __ULong;
|
|
#endif
|
|
|
|
struct _reent;
|
|
|
|
struct __locale_t;
|
|
|
|
/*
|
|
* If _REENT_SMALL is defined, we make struct _reent as small as possible,
|
|
* by having nearly everything possible allocated at first use.
|
|
*/
|
|
|
|
struct _Bigint
|
|
{
|
|
struct _Bigint *_next;
|
|
int _k, _maxwds, _sign, _wds;
|
|
__ULong _x[1];
|
|
};
|
|
|
|
/* needed by reentrant structure */
|
|
struct __tm
|
|
{
|
|
int __tm_sec;
|
|
int __tm_min;
|
|
int __tm_hour;
|
|
int __tm_mday;
|
|
int __tm_mon;
|
|
int __tm_year;
|
|
int __tm_wday;
|
|
int __tm_yday;
|
|
int __tm_isdst;
|
|
};
|
|
|
|
/*
|
|
* atexit() support.
|
|
*/
|
|
|
|
#define _ATEXIT_SIZE 32 /* must be at least 32 to guarantee ANSI conformance */
|
|
|
|
struct _on_exit_args {
|
|
void * _fnargs[_ATEXIT_SIZE]; /* user fn args */
|
|
void * _dso_handle[_ATEXIT_SIZE];
|
|
/* Bitmask is set if user function takes arguments. */
|
|
__ULong _fntypes; /* type of exit routine -
|
|
Must have at least _ATEXIT_SIZE bits */
|
|
/* Bitmask is set if function was registered via __cxa_atexit. */
|
|
__ULong _is_cxa;
|
|
};
|
|
|
|
#ifdef _REENT_SMALL
|
|
struct _atexit {
|
|
struct _atexit *_next; /* next in list */
|
|
int _ind; /* next index in this table */
|
|
void (*_fns[_ATEXIT_SIZE])(void); /* the table itself */
|
|
struct _on_exit_args * _on_exit_args_ptr;
|
|
};
|
|
# define _ATEXIT_INIT {_NULL, 0, {_NULL}, _NULL}
|
|
#else
|
|
struct _atexit {
|
|
struct _atexit *_next; /* next in list */
|
|
int _ind; /* next index in this table */
|
|
/* Some entries may already have been called, and will be NULL. */
|
|
void (*_fns[_ATEXIT_SIZE])(void); /* the table itself */
|
|
struct _on_exit_args _on_exit_args;
|
|
};
|
|
# define _ATEXIT_INIT {_NULL, 0, {_NULL}, {{_NULL}, {_NULL}, 0, 0}}
|
|
#endif
|
|
|
|
/*
|
|
* Stdio buffers.
|
|
*
|
|
* This and __FILE are defined here because we need them for struct _reent,
|
|
* but we don't want stdio.h included when stdlib.h is.
|
|
*/
|
|
|
|
struct __sbuf {
|
|
unsigned char *_base;
|
|
int _size;
|
|
};
|
|
|
|
/*
|
|
* Stdio state variables.
|
|
*
|
|
* The following always hold:
|
|
*
|
|
* if (_flags&(__SLBF|__SWR)) == (__SLBF|__SWR),
|
|
* _lbfsize is -_bf._size, else _lbfsize is 0
|
|
* if _flags&__SRD, _w is 0
|
|
* if _flags&__SWR, _r is 0
|
|
*
|
|
* This ensures that the getc and putc macros (or inline functions) never
|
|
* try to write or read from a file that is in `read' or `write' mode.
|
|
* (Moreover, they can, and do, automatically switch from read mode to
|
|
* write mode, and back, on "r+" and "w+" files.)
|
|
*
|
|
* _lbfsize is used only to make the inline line-buffered output stream
|
|
* code as compact as possible.
|
|
*
|
|
* _ub, _up, and _ur are used when ungetc() pushes back more characters
|
|
* than fit in the current _bf, or when ungetc() pushes back a character
|
|
* that does not match the previous one in _bf. When this happens,
|
|
* _ub._base becomes non-nil (i.e., a stream has ungetc() data iff
|
|
* _ub._base!=NULL) and _up and _ur save the current values of _p and _r.
|
|
*/
|
|
|
|
#define _REENT_SMALL_CHECK_INIT(ptr) /* nothing */
|
|
|
|
/* Cygwin must use __sFILE64 for backward compatibility, even though
|
|
it's not defining __LARGE64_FILES anymore. To make sure that __sFILE
|
|
is never defined, disable it here explicitely. */
|
|
#ifndef __CYGWIN__
|
|
|
|
struct __sFILE {
|
|
unsigned char *_p; /* current position in (some) buffer */
|
|
int _r; /* read space left for getc() */
|
|
int _w; /* write space left for putc() */
|
|
short _flags; /* flags, below; this FILE is free if 0 */
|
|
short _file; /* fileno, if Unix descriptor, else -1 */
|
|
struct __sbuf _bf; /* the buffer (at least 1 byte, if !NULL) */
|
|
int _lbfsize; /* 0 or -_bf._size, for inline putc */
|
|
|
|
#ifdef _REENT_SMALL
|
|
struct _reent *_data;
|
|
#endif
|
|
|
|
/* operations */
|
|
void * _cookie; /* cookie passed to io functions */
|
|
|
|
_READ_WRITE_RETURN_TYPE (*_read) (struct _reent *, void *,
|
|
char *, _READ_WRITE_BUFSIZE_TYPE);
|
|
_READ_WRITE_RETURN_TYPE (*_write) (struct _reent *, void *,
|
|
const char *,
|
|
_READ_WRITE_BUFSIZE_TYPE);
|
|
_fpos_t (*_seek) (struct _reent *, void *, _fpos_t, int);
|
|
int (*_close) (struct _reent *, void *);
|
|
|
|
/* separate buffer for long sequences of ungetc() */
|
|
struct __sbuf _ub; /* ungetc buffer */
|
|
unsigned char *_up; /* saved _p when _p is doing ungetc data */
|
|
int _ur; /* saved _r when _r is counting ungetc data */
|
|
|
|
/* tricks to meet minimum requirements even when malloc() fails */
|
|
unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */
|
|
unsigned char _nbuf[1]; /* guarantee a getc() buffer */
|
|
|
|
/* separate buffer for fgetline() when line crosses buffer boundary */
|
|
struct __sbuf _lb; /* buffer for fgetline() */
|
|
|
|
/* Unix stdio files get aligned to block boundaries on fseek() */
|
|
int _blksize; /* stat.st_blksize (may be != _bf._size) */
|
|
_off_t _offset; /* current lseek offset */
|
|
|
|
#ifndef _REENT_SMALL
|
|
struct _reent *_data; /* Here for binary compatibility? Remove? */
|
|
#endif
|
|
|
|
#ifndef __SINGLE_THREAD__
|
|
_flock_t _lock; /* for thread-safety locking */
|
|
#endif
|
|
_mbstate_t _mbstate; /* for wide char stdio functions. */
|
|
int _flags2; /* for future use */
|
|
};
|
|
|
|
#endif /* !__CYGWIN__ */
|
|
|
|
#ifdef __CUSTOM_FILE_IO__
|
|
|
|
/* Get custom _FILE definition. */
|
|
#include <sys/custom_file.h>
|
|
|
|
#else /* !__CUSTOM_FILE_IO__ */
|
|
/* Cygwin must use __sFILE64 for backward compatibility, even though
|
|
it's not defining __LARGE64_FILES anymore. It also has to make
|
|
sure the name is the same to satisfy C++ name mangling. Overloading
|
|
_fpos64_t just fixes a build problem. The _seek64 function is
|
|
actually never used without __LARGE64_FILES being defined. */
|
|
#if defined (__LARGE64_FILES) || defined (__CYGWIN__)
|
|
#ifdef __CYGWIN__
|
|
#define _fpos64_t _fpos_t
|
|
#endif
|
|
|
|
struct __sFILE64 {
|
|
unsigned char *_p; /* current position in (some) buffer */
|
|
int _r; /* read space left for getc() */
|
|
int _w; /* write space left for putc() */
|
|
short _flags; /* flags, below; this FILE is free if 0 */
|
|
short _file; /* fileno, if Unix descriptor, else -1 */
|
|
struct __sbuf _bf; /* the buffer (at least 1 byte, if !NULL) */
|
|
int _lbfsize; /* 0 or -_bf._size, for inline putc */
|
|
|
|
struct _reent *_data;
|
|
|
|
/* operations */
|
|
void * _cookie; /* cookie passed to io functions */
|
|
|
|
_READ_WRITE_RETURN_TYPE (*_read) (struct _reent *, void *,
|
|
char *, _READ_WRITE_BUFSIZE_TYPE);
|
|
_READ_WRITE_RETURN_TYPE (*_write) (struct _reent *, void *,
|
|
const char *,
|
|
_READ_WRITE_BUFSIZE_TYPE);
|
|
_fpos_t (*_seek) (struct _reent *, void *, _fpos_t, int);
|
|
int (*_close) (struct _reent *, void *);
|
|
|
|
/* separate buffer for long sequences of ungetc() */
|
|
struct __sbuf _ub; /* ungetc buffer */
|
|
unsigned char *_up; /* saved _p when _p is doing ungetc data */
|
|
int _ur; /* saved _r when _r is counting ungetc data */
|
|
|
|
/* tricks to meet minimum requirements even when malloc() fails */
|
|
unsigned char _ubuf[3]; /* guarantee an ungetc() buffer */
|
|
unsigned char _nbuf[1]; /* guarantee a getc() buffer */
|
|
|
|
/* separate buffer for fgetline() when line crosses buffer boundary */
|
|
struct __sbuf _lb; /* buffer for fgetline() */
|
|
|
|
/* Unix stdio files get aligned to block boundaries on fseek() */
|
|
int _blksize; /* stat.st_blksize (may be != _bf._size) */
|
|
int _flags2; /* for future use */
|
|
|
|
_off64_t _offset; /* current lseek offset */
|
|
_fpos64_t (*_seek64) (struct _reent *, void *, _fpos64_t, int);
|
|
|
|
#ifndef __SINGLE_THREAD__
|
|
_flock_t _lock; /* for thread-safety locking */
|
|
#endif
|
|
_mbstate_t _mbstate; /* for wide char stdio functions. */
|
|
};
|
|
typedef struct __sFILE64 __FILE;
|
|
#else
|
|
typedef struct __sFILE __FILE;
|
|
#endif /* __LARGE64_FILES */
|
|
#endif /* !__CUSTOM_FILE_IO__ */
|
|
|
|
extern __FILE __sf[3];
|
|
|
|
struct _glue
|
|
{
|
|
struct _glue *_next;
|
|
int _niobs;
|
|
__FILE *_iobs;
|
|
};
|
|
|
|
extern struct _glue __sglue;
|
|
|
|
/*
|
|
* rand48 family support
|
|
*
|
|
* Copyright (c) 1993 Martin Birgmeier
|
|
* All rights reserved.
|
|
*
|
|
* You may redistribute unmodified or modified versions of this source
|
|
* code provided that the above copyright notice and this and the
|
|
* following conditions are retained.
|
|
*
|
|
* This software is provided ``as is'', and comes with no warranties
|
|
* of any kind. I shall in no event be liable for anything that happens
|
|
* to anyone/anything when using this software.
|
|
*/
|
|
#define _RAND48_SEED_0 (0x330e)
|
|
#define _RAND48_SEED_1 (0xabcd)
|
|
#define _RAND48_SEED_2 (0x1234)
|
|
#define _RAND48_MULT_0 (0xe66d)
|
|
#define _RAND48_MULT_1 (0xdeec)
|
|
#define _RAND48_MULT_2 (0x0005)
|
|
#define _RAND48_ADD (0x000b)
|
|
struct _rand48 {
|
|
unsigned short _seed[3];
|
|
unsigned short _mult[3];
|
|
unsigned short _add;
|
|
#ifdef _REENT_SMALL
|
|
/* Put this in here as well, for good luck. */
|
|
__extension__ unsigned long long _rand_next;
|
|
#endif
|
|
};
|
|
|
|
/* How big the some arrays are. */
|
|
#define _REENT_EMERGENCY_SIZE 25
|
|
#define _REENT_ASCTIME_SIZE 26
|
|
#define _REENT_SIGNAL_SIZE 24
|
|
|
|
#ifndef _REENT_THREAD_LOCAL
|
|
|
|
#ifdef _REENT_BACKWARD_BINARY_COMPAT
|
|
#define _REENT_INIT_RESERVED_0 0,
|
|
#define _REENT_INIT_RESERVED_1 0,
|
|
#define _REENT_INIT_RESERVED_2 0,
|
|
#define _REENT_INIT_RESERVED_6_7 _NULL, _ATEXIT_INIT,
|
|
#define _REENT_INIT_RESERVED_8 {_NULL, 0, _NULL},
|
|
#else
|
|
#define _REENT_INIT_RESERVED_0 /* Nothing to initialize */
|
|
#define _REENT_INIT_RESERVED_1 /* Nothing to initialize */
|
|
#define _REENT_INIT_RESERVED_2 /* Nothing to initialize */
|
|
#define _REENT_INIT_RESERVED_6_7 /* Nothing to initialize */
|
|
#define _REENT_INIT_RESERVED_8 /* Nothing to initialize */
|
|
#endif
|
|
|
|
/*
|
|
* struct _reent
|
|
*
|
|
* This structure contains the thread-local objects needed by the library.
|
|
* It's raison d'etre is to facilitate threads by making all library routines
|
|
* reentrant. The exit handler support and FILE maintenance use dedicated
|
|
* global objects which are not included in this structure.
|
|
*/
|
|
|
|
#ifdef _REENT_SMALL
|
|
|
|
struct _mprec
|
|
{
|
|
/* used by mprec routines */
|
|
struct _Bigint *_result;
|
|
int _result_k;
|
|
struct _Bigint *_p5s;
|
|
struct _Bigint **_freelist;
|
|
};
|
|
|
|
|
|
struct _misc_reent
|
|
{
|
|
/* miscellaneous reentrant data */
|
|
char *_strtok_last;
|
|
_mbstate_t _mblen_state;
|
|
_mbstate_t _wctomb_state;
|
|
_mbstate_t _mbtowc_state;
|
|
char _l64a_buf[8];
|
|
int _getdate_err;
|
|
_mbstate_t _mbrlen_state;
|
|
_mbstate_t _mbrtowc_state;
|
|
_mbstate_t _mbsrtowcs_state;
|
|
_mbstate_t _wcrtomb_state;
|
|
_mbstate_t _wcsrtombs_state;
|
|
#ifdef _MB_CAPABLE
|
|
char _getlocalename_l_buf[32 /*ENCODING + 1*/];
|
|
#endif
|
|
};
|
|
|
|
/* This version of _reent is laid out with "int"s in pairs, to help
|
|
* ports with 16-bit int's but 32-bit pointers, align nicely. */
|
|
struct _reent
|
|
{
|
|
/* As an exception to the above put _errno first for binary
|
|
compatibility with non _REENT_SMALL targets. */
|
|
int _errno; /* local copy of errno */
|
|
|
|
/* FILE is a big struct and may change over time. To try to achieve binary
|
|
compatibility with future versions, put stdin,stdout,stderr here.
|
|
These are pointers into member __sf defined below. */
|
|
__FILE *_stdin, *_stdout, *_stderr; /* XXX */
|
|
|
|
int _inc; /* used by tmpnam */
|
|
|
|
char *_emergency;
|
|
|
|
#ifdef _REENT_BACKWARD_BINARY_COMPAT
|
|
int _reserved_0;
|
|
int _reserved_1;
|
|
#endif
|
|
struct __locale_t *_locale;/* per-thread locale */
|
|
|
|
struct _mprec *_mp;
|
|
|
|
void (*__cleanup) (struct _reent *);
|
|
|
|
int _gamma_signgam;
|
|
|
|
/* used by some fp conversion routines */
|
|
int _cvtlen; /* should be size_t */
|
|
char *_cvtbuf;
|
|
|
|
struct _rand48 *_r48;
|
|
struct __tm *_localtime_buf;
|
|
char *_asctime_buf;
|
|
|
|
/* signal info */
|
|
void (** _sig_func)(int);
|
|
|
|
#ifdef _REENT_BACKWARD_BINARY_COMPAT
|
|
struct _atexit *_reserved_6;
|
|
struct _atexit _reserved_7;
|
|
struct _glue _reserved_8;
|
|
#endif
|
|
|
|
__FILE *__sf; /* file descriptors */
|
|
struct _misc_reent *_misc; /* strtok, multibyte states */
|
|
char *_signal_buf; /* strsignal */
|
|
};
|
|
|
|
# define _REENT_INIT(var) \
|
|
{ 0, \
|
|
&__sf[0], \
|
|
&__sf[1], \
|
|
&__sf[2], \
|
|
0, \
|
|
_NULL, \
|
|
_REENT_INIT_RESERVED_0 \
|
|
_REENT_INIT_RESERVED_1 \
|
|
_NULL, \
|
|
_NULL, \
|
|
_NULL, \
|
|
0, \
|
|
0, \
|
|
_NULL, \
|
|
_NULL, \
|
|
_NULL, \
|
|
_NULL, \
|
|
_NULL, \
|
|
_REENT_INIT_RESERVED_6_7 \
|
|
_REENT_INIT_RESERVED_8 \
|
|
_NULL, \
|
|
_NULL, \
|
|
_NULL \
|
|
}
|
|
|
|
#define _REENT_INIT_PTR_ZEROED(var) \
|
|
{ (var)->_stdin = &__sf[0]; \
|
|
(var)->_stdout = &__sf[1]; \
|
|
(var)->_stderr = &__sf[2]; \
|
|
}
|
|
|
|
/* Specify how to handle reent_check malloc failures. */
|
|
#ifdef _REENT_CHECK_VERIFY
|
|
#include <assert.h>
|
|
#define __reent_assert(x) ((x) ? (void)0 : __assert_func(__FILE__, __LINE__, (char *)0, "REENT malloc succeeded"))
|
|
#else
|
|
#define __reent_assert(x) ((void)0)
|
|
#endif
|
|
|
|
#ifdef __CUSTOM_FILE_IO__
|
|
#error Custom FILE I/O and _REENT_SMALL not currently supported.
|
|
#endif
|
|
|
|
/* Generic _REENT check macro. */
|
|
#define _REENT_CHECK(var, what, type, size, init) do { \
|
|
struct _reent *_r = (var); \
|
|
if (_r->what == NULL) { \
|
|
_r->what = (type)malloc(size); \
|
|
__reent_assert(_r->what); \
|
|
init; \
|
|
} \
|
|
} while (0)
|
|
|
|
#define _REENT_CHECK_TM(var) \
|
|
_REENT_CHECK(var, _localtime_buf, struct __tm *, sizeof *((var)->_localtime_buf), \
|
|
/* nothing */)
|
|
|
|
#define _REENT_CHECK_ASCTIME_BUF(var) \
|
|
_REENT_CHECK(var, _asctime_buf, char *, _REENT_ASCTIME_SIZE, \
|
|
memset((var)->_asctime_buf, 0, _REENT_ASCTIME_SIZE))
|
|
|
|
/* Handle the dynamically allocated rand48 structure. */
|
|
#define _REENT_INIT_RAND48(var) do { \
|
|
struct _reent *_r = (var); \
|
|
_r->_r48->_seed[0] = _RAND48_SEED_0; \
|
|
_r->_r48->_seed[1] = _RAND48_SEED_1; \
|
|
_r->_r48->_seed[2] = _RAND48_SEED_2; \
|
|
_r->_r48->_mult[0] = _RAND48_MULT_0; \
|
|
_r->_r48->_mult[1] = _RAND48_MULT_1; \
|
|
_r->_r48->_mult[2] = _RAND48_MULT_2; \
|
|
_r->_r48->_add = _RAND48_ADD; \
|
|
_r->_r48->_rand_next = 1; \
|
|
} while (0)
|
|
#define _REENT_CHECK_RAND48(var) \
|
|
_REENT_CHECK(var, _r48, struct _rand48 *, sizeof *((var)->_r48), _REENT_INIT_RAND48((var)))
|
|
|
|
#define _REENT_INIT_MP(var) do { \
|
|
struct _reent *_r = (var); \
|
|
_r->_mp->_result_k = 0; \
|
|
_r->_mp->_result = _r->_mp->_p5s = _NULL; \
|
|
_r->_mp->_freelist = _NULL; \
|
|
} while (0)
|
|
#define _REENT_CHECK_MP(var) \
|
|
_REENT_CHECK(var, _mp, struct _mprec *, sizeof *((var)->_mp), _REENT_INIT_MP(var))
|
|
|
|
#define _REENT_CHECK_EMERGENCY(var) \
|
|
_REENT_CHECK(var, _emergency, char *, _REENT_EMERGENCY_SIZE, /* nothing */)
|
|
|
|
#define _REENT_INIT_MISC(var) do { \
|
|
struct _reent *_r = (var); \
|
|
_r->_misc->_strtok_last = _NULL; \
|
|
_r->_misc->_mblen_state.__count = 0; \
|
|
_r->_misc->_mblen_state.__value.__wch = 0; \
|
|
_r->_misc->_wctomb_state.__count = 0; \
|
|
_r->_misc->_wctomb_state.__value.__wch = 0; \
|
|
_r->_misc->_mbtowc_state.__count = 0; \
|
|
_r->_misc->_mbtowc_state.__value.__wch = 0; \
|
|
_r->_misc->_mbrlen_state.__count = 0; \
|
|
_r->_misc->_mbrlen_state.__value.__wch = 0; \
|
|
_r->_misc->_mbrtowc_state.__count = 0; \
|
|
_r->_misc->_mbrtowc_state.__value.__wch = 0; \
|
|
_r->_misc->_mbsrtowcs_state.__count = 0; \
|
|
_r->_misc->_mbsrtowcs_state.__value.__wch = 0; \
|
|
_r->_misc->_wcrtomb_state.__count = 0; \
|
|
_r->_misc->_wcrtomb_state.__value.__wch = 0; \
|
|
_r->_misc->_wcsrtombs_state.__count = 0; \
|
|
_r->_misc->_wcsrtombs_state.__value.__wch = 0; \
|
|
_r->_misc->_getlocale_l_buf[0] = '\0'; \
|
|
_r->_misc->_l64a_buf[0] = '\0'; \
|
|
_r->_misc->_getdate_err = 0; \
|
|
} while (0)
|
|
#define _REENT_CHECK_MISC(var) \
|
|
_REENT_CHECK(var, _misc, struct _misc_reent *, sizeof *((var)->_misc), _REENT_INIT_MISC(var))
|
|
|
|
#define _REENT_CHECK_SIGNAL_BUF(var) \
|
|
_REENT_CHECK(var, _signal_buf, char *, _REENT_SIGNAL_SIZE, /* nothing */)
|
|
|
|
#define _REENT_SIGNGAM(ptr) ((ptr)->_gamma_signgam)
|
|
#define _REENT_RAND_NEXT(ptr) ((ptr)->_r48->_rand_next)
|
|
#define _REENT_RAND48_SEED(ptr) ((ptr)->_r48->_seed)
|
|
#define _REENT_RAND48_MULT(ptr) ((ptr)->_r48->_mult)
|
|
#define _REENT_RAND48_ADD(ptr) ((ptr)->_r48->_add)
|
|
#define _REENT_MP_RESULT(ptr) ((ptr)->_mp->_result)
|
|
#define _REENT_MP_RESULT_K(ptr) ((ptr)->_mp->_result_k)
|
|
#define _REENT_MP_P5S(ptr) ((ptr)->_mp->_p5s)
|
|
#define _REENT_MP_FREELIST(ptr) ((ptr)->_mp->_freelist)
|
|
#define _REENT_ASCTIME_BUF(ptr) ((ptr)->_asctime_buf)
|
|
#define _REENT_TM(ptr) ((ptr)->_localtime_buf)
|
|
#define _REENT_STRTOK_LAST(ptr) ((ptr)->_misc->_strtok_last)
|
|
#define _REENT_MBLEN_STATE(ptr) ((ptr)->_misc->_mblen_state)
|
|
#define _REENT_MBTOWC_STATE(ptr)((ptr)->_misc->_mbtowc_state)
|
|
#define _REENT_WCTOMB_STATE(ptr)((ptr)->_misc->_wctomb_state)
|
|
#define _REENT_MBRLEN_STATE(ptr) ((ptr)->_misc->_mbrlen_state)
|
|
#define _REENT_MBRTOWC_STATE(ptr) ((ptr)->_misc->_mbrtowc_state)
|
|
#define _REENT_MBSRTOWCS_STATE(ptr) ((ptr)->_misc->_mbsrtowcs_state)
|
|
#define _REENT_WCRTOMB_STATE(ptr) ((ptr)->_misc->_wcrtomb_state)
|
|
#define _REENT_WCSRTOMBS_STATE(ptr) ((ptr)->_misc->_wcsrtombs_state)
|
|
#define _REENT_L64A_BUF(ptr) ((ptr)->_misc->_l64a_buf)
|
|
#define _REENT_GETDATE_ERR_P(ptr) (&((ptr)->_misc->_getdate_err))
|
|
#define _REENT_GETLOCALENAME_L_BUF(ptr) ((ptr)->_misc->_getlocalename_l_buf)
|
|
#define _REENT_SIGNAL_BUF(ptr) ((ptr)->_signal_buf)
|
|
|
|
#else /* !_REENT_SMALL */
|
|
|
|
struct _reent
|
|
{
|
|
int _errno; /* local copy of errno */
|
|
|
|
/* FILE is a big struct and may change over time. To try to achieve binary
|
|
compatibility with future versions, put stdin,stdout,stderr here.
|
|
These are pointers into member __sf defined below. */
|
|
__FILE *_stdin, *_stdout, *_stderr;
|
|
|
|
int _inc; /* used by tmpnam */
|
|
char _emergency[_REENT_EMERGENCY_SIZE];
|
|
|
|
#ifdef _REENT_BACKWARD_BINARY_COMPAT
|
|
int _reserved_1;
|
|
#endif
|
|
struct __locale_t *_locale;/* per-thread locale */
|
|
|
|
#ifdef _REENT_BACKWARD_BINARY_COMPAT
|
|
int _reserved_0;
|
|
#endif
|
|
|
|
void (*__cleanup) (struct _reent *);
|
|
|
|
/* used by mprec routines */
|
|
struct _Bigint *_result;
|
|
int _result_k;
|
|
struct _Bigint *_p5s;
|
|
struct _Bigint **_freelist;
|
|
|
|
/* used by some fp conversion routines */
|
|
int _cvtlen; /* should be size_t */
|
|
char *_cvtbuf;
|
|
|
|
union
|
|
{
|
|
struct
|
|
{
|
|
#ifdef _REENT_BACKWARD_BINARY_COMPAT
|
|
unsigned int _reserved_2;
|
|
#endif
|
|
char * _strtok_last;
|
|
char _asctime_buf[_REENT_ASCTIME_SIZE];
|
|
struct __tm _localtime_buf;
|
|
int _gamma_signgam;
|
|
__extension__ unsigned long long _rand_next;
|
|
struct _rand48 _r48;
|
|
_mbstate_t _mblen_state;
|
|
_mbstate_t _mbtowc_state;
|
|
_mbstate_t _wctomb_state;
|
|
char _l64a_buf[8];
|
|
char _signal_buf[_REENT_SIGNAL_SIZE];
|
|
int _getdate_err;
|
|
_mbstate_t _mbrlen_state;
|
|
_mbstate_t _mbrtowc_state;
|
|
_mbstate_t _mbsrtowcs_state;
|
|
_mbstate_t _wcrtomb_state;
|
|
_mbstate_t _wcsrtombs_state;
|
|
int _h_errno;
|
|
#ifdef __CYGWIN__
|
|
_mbstate_t _c8rtomb_state;
|
|
_mbstate_t _c16rtomb_state;
|
|
_mbstate_t _c32rtomb_state;
|
|
_mbstate_t _mbrtoc8_state;
|
|
_mbstate_t _mbrtoc16_state;
|
|
_mbstate_t _mbrtoc32_state;
|
|
#endif
|
|
/* No errors are defined for getlocalename_l. So we can't use
|
|
buffer allocation which might lead to an ENOMEM error. We
|
|
have to use a "static" buffer here instead. */
|
|
char _getlocalename_l_buf[32 /* ENCODING_LEN + 1 */];
|
|
} _reent;
|
|
#ifdef _REENT_BACKWARD_BINARY_COMPAT
|
|
struct
|
|
{
|
|
unsigned char * _reserved_3[30];
|
|
unsigned int _reserved_4[30];
|
|
} _reserved_5;
|
|
#endif
|
|
} _new;
|
|
|
|
#ifdef _REENT_BACKWARD_BINARY_COMPAT
|
|
struct _atexit *_reserved_6;
|
|
struct _atexit _reserved_7;
|
|
#endif
|
|
|
|
/* signal info */
|
|
void (**_sig_func)(int);
|
|
};
|
|
|
|
#define _REENT_INIT(var) \
|
|
{ 0, \
|
|
&__sf[0], \
|
|
&__sf[1], \
|
|
&__sf[2], \
|
|
0, \
|
|
"", \
|
|
_REENT_INIT_RESERVED_1 \
|
|
_NULL, \
|
|
_REENT_INIT_RESERVED_0 \
|
|
_NULL, \
|
|
_NULL, \
|
|
0, \
|
|
_NULL, \
|
|
_NULL, \
|
|
0, \
|
|
_NULL, \
|
|
{ \
|
|
{ \
|
|
_REENT_INIT_RESERVED_2 \
|
|
_NULL, \
|
|
"", \
|
|
{0, 0, 0, 0, 0, 0, 0, 0, 0}, \
|
|
0, \
|
|
1, \
|
|
{ \
|
|
{_RAND48_SEED_0, _RAND48_SEED_1, _RAND48_SEED_2}, \
|
|
{_RAND48_MULT_0, _RAND48_MULT_1, _RAND48_MULT_2}, \
|
|
_RAND48_ADD \
|
|
}, \
|
|
{0, {0}}, \
|
|
{0, {0}}, \
|
|
{0, {0}}, \
|
|
"", \
|
|
"", \
|
|
0, \
|
|
{0, {0}}, \
|
|
{0, {0}}, \
|
|
{0, {0}}, \
|
|
{0, {0}}, \
|
|
{0, {0}} \
|
|
} \
|
|
}, \
|
|
_REENT_INIT_RESERVED_6_7 \
|
|
_NULL \
|
|
}
|
|
|
|
#define _REENT_INIT_PTR_ZEROED(var) \
|
|
{ (var)->_stdin = &__sf[0]; \
|
|
(var)->_stdout = &__sf[1]; \
|
|
(var)->_stderr = &__sf[2]; \
|
|
(var)->_new._reent._rand_next = 1; \
|
|
(var)->_new._reent._r48._seed[0] = _RAND48_SEED_0; \
|
|
(var)->_new._reent._r48._seed[1] = _RAND48_SEED_1; \
|
|
(var)->_new._reent._r48._seed[2] = _RAND48_SEED_2; \
|
|
(var)->_new._reent._r48._mult[0] = _RAND48_MULT_0; \
|
|
(var)->_new._reent._r48._mult[1] = _RAND48_MULT_1; \
|
|
(var)->_new._reent._r48._mult[2] = _RAND48_MULT_2; \
|
|
(var)->_new._reent._r48._add = _RAND48_ADD; \
|
|
}
|
|
|
|
#define _REENT_CHECK_RAND48(ptr) /* nothing */
|
|
#define _REENT_CHECK_MP(ptr) /* nothing */
|
|
#define _REENT_CHECK_TM(ptr) /* nothing */
|
|
#define _REENT_CHECK_ASCTIME_BUF(ptr) /* nothing */
|
|
#define _REENT_CHECK_EMERGENCY(ptr) /* nothing */
|
|
#define _REENT_CHECK_MISC(ptr) /* nothing */
|
|
#define _REENT_CHECK_SIGNAL_BUF(ptr) /* nothing */
|
|
|
|
#define _REENT_SIGNGAM(ptr) ((ptr)->_new._reent._gamma_signgam)
|
|
#define _REENT_RAND_NEXT(ptr) ((ptr)->_new._reent._rand_next)
|
|
#define _REENT_RAND48_SEED(ptr) ((ptr)->_new._reent._r48._seed)
|
|
#define _REENT_RAND48_MULT(ptr) ((ptr)->_new._reent._r48._mult)
|
|
#define _REENT_RAND48_ADD(ptr) ((ptr)->_new._reent._r48._add)
|
|
#define _REENT_MP_RESULT(ptr) ((ptr)->_result)
|
|
#define _REENT_MP_RESULT_K(ptr) ((ptr)->_result_k)
|
|
#define _REENT_MP_P5S(ptr) ((ptr)->_p5s)
|
|
#define _REENT_MP_FREELIST(ptr) ((ptr)->_freelist)
|
|
#define _REENT_ASCTIME_BUF(ptr) ((ptr)->_new._reent._asctime_buf)
|
|
#define _REENT_TM(ptr) (&(ptr)->_new._reent._localtime_buf)
|
|
#define _REENT_STRTOK_LAST(ptr) ((ptr)->_new._reent._strtok_last)
|
|
#define _REENT_MBLEN_STATE(ptr) ((ptr)->_new._reent._mblen_state)
|
|
#define _REENT_MBTOWC_STATE(ptr)((ptr)->_new._reent._mbtowc_state)
|
|
#define _REENT_WCTOMB_STATE(ptr)((ptr)->_new._reent._wctomb_state)
|
|
#define _REENT_MBRLEN_STATE(ptr)((ptr)->_new._reent._mbrlen_state)
|
|
#define _REENT_MBRTOWC_STATE(ptr)((ptr)->_new._reent._mbrtowc_state)
|
|
#define _REENT_MBSRTOWCS_STATE(ptr)((ptr)->_new._reent._mbsrtowcs_state)
|
|
#define _REENT_WCRTOMB_STATE(ptr)((ptr)->_new._reent._wcrtomb_state)
|
|
#define _REENT_WCSRTOMBS_STATE(ptr)((ptr)->_new._reent._wcsrtombs_state)
|
|
#ifdef __CYGWIN__
|
|
# define _REENT_C8RTOMB_STATE(ptr)((ptr)->_new._reent._c8rtomb_state)
|
|
# define _REENT_C16RTOMB_STATE(ptr)((ptr)->_new._reent._c16rtomb_state)
|
|
# define _REENT_C32RTOMB_STATE(ptr)((ptr)->_new._reent._c32rtomb_state)
|
|
# define _REENT_MBRTOC8_STATE(ptr)((ptr)->_new._reent._mbrtoc8_state)
|
|
# define _REENT_MBRTOC16_STATE(ptr)((ptr)->_new._reent._mbrtoc16_state)
|
|
# define _REENT_MBRTOC32_STATE(ptr)((ptr)->_new._reent._mbrtoc32_state)
|
|
#endif
|
|
#define _REENT_L64A_BUF(ptr) ((ptr)->_new._reent._l64a_buf)
|
|
#define _REENT_SIGNAL_BUF(ptr) ((ptr)->_new._reent._signal_buf)
|
|
#define _REENT_GETDATE_ERR_P(ptr) (&((ptr)->_new._reent._getdate_err))
|
|
#define _REENT_GETLOCALENAME_L_BUF(ptr)((ptr)->_new._reent._getlocalename_l_buf)
|
|
|
|
#endif /* !_REENT_SMALL */
|
|
|
|
#define _REENT_CLEANUP(_ptr) ((_ptr)->__cleanup)
|
|
#define _REENT_CVTBUF(_ptr) ((_ptr)->_cvtbuf)
|
|
#define _REENT_CVTLEN(_ptr) ((_ptr)->_cvtlen)
|
|
#define _REENT_EMERGENCY(_ptr) ((_ptr)->_emergency)
|
|
#define _REENT_ERRNO(_ptr) ((_ptr)->_errno)
|
|
#define _REENT_INC(_ptr) ((_ptr)->_inc)
|
|
#define _REENT_LOCALE(_ptr) ((_ptr)->_locale)
|
|
#define _REENT_SIG_FUNC(_ptr) ((_ptr)->_sig_func)
|
|
#define _REENT_STDIN(_ptr) ((_ptr)->_stdin)
|
|
#define _REENT_STDOUT(_ptr) ((_ptr)->_stdout)
|
|
#define _REENT_STDERR(_ptr) ((_ptr)->_stderr)
|
|
|
|
#define _REENT_INIT_PTR(var) \
|
|
{ memset((var), 0, sizeof(*(var))); \
|
|
_REENT_INIT_PTR_ZEROED(var); \
|
|
}
|
|
|
|
/*
|
|
* All references to struct _reent are via this pointer.
|
|
* Internally, newlib routines that need to reference it should use _REENT.
|
|
*/
|
|
|
|
#ifndef __ATTRIBUTE_IMPURE_PTR__
|
|
#define __ATTRIBUTE_IMPURE_PTR__
|
|
#endif
|
|
|
|
extern struct _reent *_impure_ptr __ATTRIBUTE_IMPURE_PTR__;
|
|
|
|
#ifndef __ATTRIBUTE_IMPURE_DATA__
|
|
#define __ATTRIBUTE_IMPURE_DATA__
|
|
#endif
|
|
|
|
extern struct _reent _impure_data __ATTRIBUTE_IMPURE_DATA__;
|
|
|
|
/* #define _REENT_ONLY define this to get only reentrant routines */
|
|
|
|
#if defined(__DYNAMIC_REENT__) && !defined(__SINGLE_THREAD__)
|
|
#ifndef __getreent
|
|
struct _reent * __getreent (void);
|
|
#endif
|
|
# define _REENT (__getreent())
|
|
#else /* __SINGLE_THREAD__ || !__DYNAMIC_REENT__ */
|
|
# define _REENT _impure_ptr
|
|
#endif /* __SINGLE_THREAD__ || !__DYNAMIC_REENT__ */
|
|
|
|
#define _REENT_IS_NULL(_ptr) ((_ptr) == NULL)
|
|
|
|
#define _GLOBAL_REENT (&_impure_data)
|
|
|
|
#else /* _REENT_THREAD_LOCAL */
|
|
|
|
#define _REENT NULL
|
|
#define _GLOBAL_REENT NULL
|
|
|
|
/*
|
|
* Since _REENT is defined as NULL, this macro ensures that calls to
|
|
* CHECK_INIT() do not automatically fail.
|
|
*/
|
|
#define _REENT_IS_NULL(_ptr) 0
|
|
|
|
#define _REENT_CHECK_RAND48(ptr) /* nothing */
|
|
#define _REENT_CHECK_MP(ptr) /* nothing */
|
|
#define _REENT_CHECK_TM(ptr) /* nothing */
|
|
#define _REENT_CHECK_ASCTIME_BUF(ptr) /* nothing */
|
|
#define _REENT_CHECK_EMERGENCY(ptr) /* nothing */
|
|
#define _REENT_CHECK_MISC(ptr) /* nothing */
|
|
#define _REENT_CHECK_SIGNAL_BUF(ptr) /* nothing */
|
|
|
|
extern _Thread_local char _tls_asctime_buf[_REENT_ASCTIME_SIZE];
|
|
#define _REENT_ASCTIME_BUF(_ptr) (_tls_asctime_buf)
|
|
extern _Thread_local char *_tls_cvtbuf;
|
|
#define _REENT_CVTBUF(_ptr) (_tls_cvtbuf)
|
|
extern _Thread_local int _tls_cvtlen;
|
|
#define _REENT_CVTLEN(_ptr) (_tls_cvtlen)
|
|
extern _Thread_local void (*_tls_cleanup)(struct _reent *);
|
|
#define _REENT_CLEANUP(_ptr) (_tls_cleanup)
|
|
extern _Thread_local char _tls_emergency[_REENT_EMERGENCY_SIZE];
|
|
#define _REENT_EMERGENCY(_ptr) (_tls_emergency)
|
|
extern _Thread_local int _tls_errno;
|
|
#define _REENT_ERRNO(_ptr) (_tls_errno)
|
|
extern _Thread_local int _tls_getdate_err;
|
|
#define _REENT_GETDATE_ERR_P(_ptr) (&_tls_getdate_err)
|
|
extern _Thread_local int _tls_inc;
|
|
#define _REENT_INC(_ptr) (_tls_inc)
|
|
extern _Thread_local char _tls_l64a_buf[8];
|
|
#define _REENT_L64A_BUF(_ptr) (_tls_l64a_buf)
|
|
extern _Thread_local struct __locale_t *_tls_locale;
|
|
#define _REENT_LOCALE(_ptr) (_tls_locale)
|
|
extern _Thread_local _mbstate_t _tls_mblen_state;
|
|
#define _REENT_GETLOCALENAME_L_BUF(ptr) (_tls_getlocalename_l_buf)
|
|
extern _Thread_local char _tls_getlocalename_l_buf[32 /*ENCODING + 1*/];
|
|
#define _REENT_MBLEN_STATE(_ptr) (_tls_mblen_state)
|
|
extern _Thread_local _mbstate_t _tls_mbrlen_state;
|
|
#define _REENT_MBRLEN_STATE(_ptr) (_tls_mbrlen_state)
|
|
extern _Thread_local _mbstate_t _tls_mbrtowc_state;
|
|
#define _REENT_MBRTOWC_STATE(_ptr) (_tls_mbrtowc_state)
|
|
extern _Thread_local _mbstate_t _tls_mbsrtowcs_state;
|
|
#define _REENT_MBSRTOWCS_STATE(_ptr) (_tls_mbsrtowcs_state)
|
|
extern _Thread_local _mbstate_t _tls_mbtowc_state;
|
|
#define _REENT_MBTOWC_STATE(_ptr) (_tls_mbtowc_state)
|
|
extern _Thread_local struct _Bigint **_tls_mp_freelist;
|
|
#define _REENT_MP_FREELIST(_ptr) (_tls_mp_freelist)
|
|
extern _Thread_local struct _Bigint *_tls_mp_p5s;
|
|
#define _REENT_MP_P5S(_ptr) (_tls_mp_p5s)
|
|
extern _Thread_local struct _Bigint *_tls_mp_result;
|
|
#define _REENT_MP_RESULT(_ptr) (_tls_mp_result)
|
|
extern _Thread_local int _tls_mp_result_k;
|
|
#define _REENT_MP_RESULT_K(_ptr) (_tls_mp_result_k)
|
|
extern _Thread_local unsigned short _tls_rand48_add;
|
|
#define _REENT_RAND48_ADD(_ptr) (_tls_rand48_add)
|
|
extern _Thread_local unsigned short _tls_rand48_mult[3];
|
|
#define _REENT_RAND48_MULT(_ptr) (_tls_rand48_mult)
|
|
extern _Thread_local unsigned short _tls_rand48_seed[3];
|
|
#define _REENT_RAND48_SEED(_ptr) (_tls_rand48_seed)
|
|
extern _Thread_local unsigned long long _tls_rand_next;
|
|
#define _REENT_RAND_NEXT(_ptr) (_tls_rand_next)
|
|
extern _Thread_local void (**_tls_sig_func)(int);
|
|
#define _REENT_SIG_FUNC(_ptr) (_tls_sig_func)
|
|
extern _Thread_local char _tls_signal_buf[_REENT_SIGNAL_SIZE];
|
|
#define _REENT_SIGNAL_BUF(_ptr) (_tls_signal_buf)
|
|
extern _Thread_local int _tls_gamma_signgam;
|
|
#define _REENT_SIGNGAM(_ptr) (_tls_gamma_signgam)
|
|
extern _Thread_local __FILE *_tls_stdin;
|
|
#define _REENT_STDIN(_ptr) (_tls_stdin)
|
|
extern _Thread_local __FILE *_tls_stdout;
|
|
#define _REENT_STDOUT(_ptr) (_tls_stdout)
|
|
extern _Thread_local __FILE *_tls_stderr;
|
|
#define _REENT_STDERR(_ptr) (_tls_stderr)
|
|
extern _Thread_local char *_tls_strtok_last;
|
|
#define _REENT_STRTOK_LAST(_ptr) (_tls_strtok_last)
|
|
extern _Thread_local struct __tm _tls_localtime_buf;
|
|
#define _REENT_TM(_ptr) (&_tls_localtime_buf)
|
|
extern _Thread_local _mbstate_t _tls_wctomb_state;
|
|
#define _REENT_WCTOMB_STATE(_ptr) (_tls_wctomb_state)
|
|
extern _Thread_local _mbstate_t _tls_wcrtomb_state;
|
|
#define _REENT_WCRTOMB_STATE(_ptr) (_tls_wcrtomb_state)
|
|
extern _Thread_local _mbstate_t _tls_wcsrtombs_state;
|
|
#define _REENT_WCSRTOMBS_STATE(_ptr) (_tls_wcsrtombs_state)
|
|
|
|
#endif /* !_REENT_THREAD_LOCAL */
|
|
|
|
/* This value is used in stdlib/misc.c. reent/reent.c has to know it
|
|
as well to make sure the freelist is correctly free'd. Therefore
|
|
we define it here, rather than in stdlib/misc.c, as before. */
|
|
#define _Kmax (sizeof (size_t) << 3)
|
|
|
|
extern struct _atexit *__atexit; /* points to head of LIFO stack */
|
|
extern struct _atexit __atexit0; /* one guaranteed table, required by ANSI */
|
|
|
|
extern void (*__stdio_exit_handler) (void);
|
|
|
|
void _reclaim_reent (struct _reent *);
|
|
|
|
extern int _fwalk_sglue (struct _reent *, int (*)(struct _reent *, __FILE *),
|
|
struct _glue *);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
#endif /* _SYS_REENT_H_ */
|