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PXPerlWrap (PXPerl, reloaded)

, 3 Nov 2004
A comprehensive Perl embedding solution.
pxperldemo.zip
PXPerlDemo.dsp
PXPerlDemo.dsw
PXPerlDemo.suo
PERL_CORE
arpa
perl58.lib
PerlEz.lib
sys
Release
lib
auto
PerlIO
encoding
encoding.dll
scalar
scalar.dll
via
via.dll
Carp.pm
Exporter.pm
PerlIO
encoding.pm
scalar.pm
via
QuotedPrint.pm
via.pm
PerlIO.pm
strict.pm
Symbol.pm
THESE ARE REQUIRED LIBs
warnings.pm
XSLoader.pm
perl58.dll
PXPerlDemo.exe
res
perl.ico
perl2.ico
perl3.ico
perlsistent.pl
PXPerlDemo.ico
PXPerlDemo.manifest
PXPerlDemo.clw
PXPerlDemo.mak
pxperl_demo.zip
PXPerlDemo.mak
PXPerlDemo.dsp
PXPerlDemo.dsw
PXPerlDemo.suo
perl58.lib
PerlEz.lib
encoding.dll
scalar.dll
via.dll
Carp.pm
Exporter.pm
encoding.pm
scalar.pm
QuotedPrint.pm
via.pm
PerlIO.pm
strict.pm
Symbol.pm
THESE ARE REQUIRED LIBs
warnings.pm
XSLoader.pm
perl58.dll
PXPerlDemo.exe
perl.ico
perl2.ico
perl3.ico
perlsistent.pl
PXPerlDemo.ico
PXPerlDemo.manifest
PXPerlDemo.aps
PXPerlDemo.clw
PXPerlDemo.dep
PXPerlDemo.opt
PXPerlDemo.plg
/* WIN32.H
 *
 * (c) 1995 Microsoft Corporation. All rights reserved.
 * 		Developed by hip communications inc., http://info.hip.com/info/
 *
 *    You may distribute under the terms of either the GNU General Public
 *    License or the Artistic License, as specified in the README file.
 */
#ifndef  _INC_WIN32_PERL5
#define  _INC_WIN32_PERL5

#include "BuildInfo.h"

#ifndef _WIN32_WINNT
#  define _WIN32_WINNT 0x0400     /* needed for TryEnterCriticalSection() etc. */
#endif

#if defined(PERL_IMPLICIT_SYS)
#  define DYNAMIC_ENV_FETCH
#  define HAS_GETENV_LEN
#  define prime_env_iter()
#  define WIN32IO_IS_STDIO		/* don't pull in custom stdio layer */
#  define WIN32SCK_IS_STDSCK		/* don't pull in custom wsock layer */
#  ifdef PERL_GLOBAL_STRUCT
#    error PERL_GLOBAL_STRUCT cannot be defined with PERL_IMPLICIT_SYS
#  endif
#  define win32_get_privlib PerlEnv_lib_path
#  define win32_get_sitelib PerlEnv_sitelib_path
#  define win32_get_vendorlib PerlEnv_vendorlib_path
#endif

#ifdef __GNUC__
#  ifndef __int64		/* some versions seem to #define it already */
#    define __int64 long long
#  endif
#  define Win32_Winsock
#ifdef __cplusplus
/* Mingw32 gcc -xc++ objects to __attribute((unused)) at least */
#undef  PERL_UNUSED_DECL
#define PERL_UNUSED_DECL
#endif
#endif


/* Define DllExport akin to perl's EXT,
 * If we are in the DLL or mimicing the DLL for Win95 work round
 * then Export the symbol,
 * otherwise import it.
 */

/* now even GCC supports __declspec() */

#if defined(PERLDLL) || defined(WIN95FIX)
#define DllExport
/*#define DllExport __declspec(dllexport)*/	/* noises with VC5+sp3 */
#else
#define DllExport __declspec(dllimport)
#endif

#define  WIN32_LEAN_AND_MEAN
#include <windows.h>

#ifdef   WIN32_LEAN_AND_MEAN		/* C file is NOT a Perl5 original. */
#define  CONTEXT	PERL_CONTEXT	/* Avoid conflict of CONTEXT defs. */
#endif /*WIN32_LEAN_AND_MEAN */

#ifndef TLS_OUT_OF_INDEXES
#define TLS_OUT_OF_INDEXES (DWORD)0xFFFFFFFF
#endif

#include <dirent.h>
#include <io.h>
#include <process.h>
#include <stdio.h>
#include <direct.h>
#include <stdlib.h>
#include <stddef.h>
#include <fcntl.h>
#ifndef EXT
#include "EXTERN.h"
#endif

struct tms {
	long	tms_utime;
	long	tms_stime;
	long	tms_cutime;
	long	tms_cstime;
};

#ifndef SYS_NMLN
#define SYS_NMLN	257
#endif

struct utsname {
    char sysname[SYS_NMLN];
    char nodename[SYS_NMLN];
    char release[SYS_NMLN];
    char version[SYS_NMLN];
    char machine[SYS_NMLN];
};

#ifndef START_EXTERN_C
#undef EXTERN_C
#ifdef __cplusplus
#  define START_EXTERN_C extern "C" {
#  define END_EXTERN_C }
#  define EXTERN_C extern "C"
#else
#  define START_EXTERN_C
#  define END_EXTERN_C
#  define EXTERN_C
#endif
#endif

#define  STANDARD_C	1
#define  DOSISH		1		/* no escaping our roots */
#define  OP_BINARY	O_BINARY	/* mistake in in pp_sys.c? */

/* Define USE_SOCKETS_AS_HANDLES to enable emulation of windows sockets as
 * real filehandles. XXX Should always be defined (the other version is untested) */
#define USE_SOCKETS_AS_HANDLES

/* read() and write() aren't transparent for socket handles */
#define PERL_SOCK_SYSREAD_IS_RECV
#define PERL_SOCK_SYSWRITE_IS_SEND

#define PERL_NO_FORCE_LINK		/* no need for PL_force_link_funcs */

/* Define USE_FIXED_OSFHANDLE to fix MSVCRT's _open_osfhandle() on W95.
   It now uses some black magic to work seamlessly with the DLL CRT and
   works with MSVC++ 4.0+ or GCC/Mingw32
	-- BKS 1-24-2000 */
#if (defined(_M_IX86) && _MSC_VER >= 1000) || defined(__MINGW32__)
#define USE_FIXED_OSFHANDLE
#endif

/* Define PERL_WIN32_SOCK_DLOAD to have Perl dynamically load the winsock
   DLL when needed. Don't use if your compiler supports delayloading (ie, VC++ 6.0)
	-- BKS 5-29-2000 */
#if !(defined(_M_IX86) && _MSC_VER >= 1200)
#define PERL_WIN32_SOCK_DLOAD
#endif
#define ENV_IS_CASELESS

#define PIPESOCK_MODE	"b"		/* pipes, sockets default to binmode */

#ifndef VER_PLATFORM_WIN32_WINDOWS	/* VC-2.0 headers don't have this */
#define VER_PLATFORM_WIN32_WINDOWS	1
#endif

#ifndef FILE_SHARE_DELETE		/* VC-4.0 headers don't have this */
#define FILE_SHARE_DELETE		0x00000004
#endif

/* access() mode bits */
#ifndef R_OK
#  define	R_OK	4
#  define	W_OK	2
#  define	X_OK	1
#  define	F_OK	0
#endif

/* for waitpid() */
#ifndef WNOHANG
#  define WNOHANG	1
#endif

#define PERL_GET_CONTEXT_DEFINED

/* Compiler-specific stuff. */

#ifdef __BORLANDC__		/* Borland C++ */

#if (__BORLANDC__ <= 0x520)
#define _access access
#define _chdir chdir
#endif

#define _getpid getpid
#define wcsicmp _wcsicmp
#include <sys/types.h>

#ifndef DllMain
#define DllMain DllEntryPoint
#endif

#pragma warn -ccc	/* "condition is always true/false" */
#pragma warn -rch	/* "unreachable code" */
#pragma warn -sig	/* "conversion may lose significant digits" */
#pragma warn -pia	/* "possibly incorrect assignment" */
#pragma warn -par	/* "parameter 'foo' is never used" */
#pragma warn -aus	/* "'foo' is assigned a value that is never used" */
#pragma warn -use	/* "'foo' is declared but never used" */
#pragma warn -csu	/* "comparing signed and unsigned values" */

/* Borland C thinks that a pointer to a member variable is 12 bytes in size. */
#define PERL_MEMBER_PTR_SIZE	12

#define isnan		_isnan

#endif

#ifdef _MSC_VER			/* Microsoft Visual C++ */

typedef long		uid_t;
typedef long		gid_t;
typedef unsigned short	mode_t;
#pragma  warning(disable: 4102)	/* "unreferenced label" */

/* Visual C thinks that a pointer to a member variable is 16 bytes in size. */
#define PERL_MEMBER_PTR_SIZE	16

#define isnan		_isnan

#endif /* _MSC_VER */

#ifdef __MINGW32__		/* Minimal Gnu-Win32 */

typedef long		uid_t;
typedef long		gid_t;
#ifndef _environ
#define _environ	environ
#endif
#define flushall	_flushall
#define fcloseall	_fcloseall
#define isnan		_isnan	/* ...same libraries as MSVC */

#ifndef _O_NOINHERIT
#  define _O_NOINHERIT	0x0080
#  ifndef _NO_OLDNAMES
#    define O_NOINHERIT	_O_NOINHERIT
#  endif
#endif

#endif /* __MINGW32__ */

/* both GCC/Mingw32 and MSVC++ 4.0 are missing this, so we put it here */
#ifndef CP_UTF8
#  define CP_UTF8	65001
#endif

/* compatibility stuff for other compilers goes here */

#ifndef _INTPTR_T_DEFINED
typedef int		intptr_t;
#  define _INTPTR_T_DEFINED
#endif

#ifndef _UINTPTR_T_DEFINED
typedef unsigned int	uintptr_t;
#  define _UINTPTR_T_DEFINED
#endif

START_EXTERN_C

/* For UNIX compatibility. */

extern  uid_t	getuid(void);
extern  gid_t	getgid(void);
extern  uid_t	geteuid(void);
extern  gid_t	getegid(void);
extern  int	setuid(uid_t uid);
extern  int	setgid(gid_t gid);
extern  int	kill(int pid, int sig);
#ifndef USE_PERL_SBRK
extern  void	*sbrk(ptrdiff_t need);
#  define HAS_SBRK_PROTO
#endif
extern	char *	getlogin(void);
extern	int	chown(const char *p, uid_t o, gid_t g);
extern  int	mkstemp(const char *path);

#undef	 Stat
#define  Stat		win32_stat

#undef   init_os_extras
#define  init_os_extras Perl_init_os_extras

DllExport void		Perl_win32_init(int *argcp, char ***argvp);
DllExport void		Perl_init_os_extras(void);
DllExport void		win32_str_os_error(void *sv, DWORD err);
DllExport int		RunPerl(int argc, char **argv, char **env);

typedef struct {
    HANDLE	childStdIn;
    HANDLE	childStdOut;
    HANDLE	childStdErr;
    /*
     * the following correspond to the fields of the same name
     * in the STARTUPINFO structure. Embedders can use these to
     * control the spawning process' look.
     * Example - to hide the window of the spawned process:
     *    dwFlags = STARTF_USESHOWWINDOW;
     *	  wShowWindow = SW_HIDE;
     */
    DWORD	dwFlags;
    DWORD	dwX;
    DWORD	dwY;
    DWORD	dwXSize;
    DWORD	dwYSize;
    DWORD	dwXCountChars;
    DWORD	dwYCountChars;
    DWORD	dwFillAttribute;
    WORD	wShowWindow;
} child_IO_table;

DllExport void		win32_get_child_IO(child_IO_table* ptr);

#ifndef USE_SOCKETS_AS_HANDLES
extern FILE *		my_fdopen(int, char *);
#endif
extern int		my_fclose(FILE *);
extern int		my_fstat(int fd, Stat_t *sbufptr);
extern char *		win32_get_privlib(const char *pl);
extern char *		win32_get_sitelib(const char *pl);
extern char *		win32_get_vendorlib(const char *pl);
extern int		IsWin95(void);
extern int		IsWinNT(void);
extern void		win32_argv2utf8(int argc, char** argv);

#ifdef PERL_IMPLICIT_SYS
extern void		win32_delete_internal_host(void *h);
#endif

extern char *		staticlinkmodules[];

END_EXTERN_C

typedef  char *		caddr_t;	/* In malloc.c (core address). */

/*
 * handle socket stuff, assuming socket is always available
 */
#include <sys/socket.h>
#include <netdb.h>

#ifdef MYMALLOC
#define EMBEDMYMALLOC	/**/
/* #define USE_PERL_SBRK	/**/
/* #define PERL_SBRK_VIA_MALLOC	/**/
#endif

#if defined(PERLDLL) && !defined(PERL_CORE)
#define PERL_CORE
#endif

#ifdef PERL_TEXTMODE_SCRIPTS
#  define PERL_SCRIPT_MODE		"r"
#else
#  define PERL_SCRIPT_MODE		"rb"
#endif

/*
 * Now Win32 specific per-thread data stuff
 */

struct thread_intern {
    /* XXX can probably use one buffer instead of several */
    char		Wstrerror_buffer[512];
    struct servent	Wservent;
    char		Wgetlogin_buffer[128];
#    ifdef USE_SOCKETS_AS_HANDLES
    int			Winit_socktype;
#    endif
#    ifdef HAVE_DES_FCRYPT
    char		Wcrypt_buffer[30];
#    endif
#    ifdef USE_RTL_THREAD_API
    void *		retv;	/* slot for thread return value */
#    endif
    BOOL               Wuse_showwindow;
    WORD               Wshowwindow;
};

#ifdef USE_5005THREADS
#  ifndef USE_DECLSPEC_THREAD
#    define HAVE_THREAD_INTERN
#  endif /* !USE_DECLSPEC_THREAD */
#endif /* USE_5005THREADS */

#define HAVE_INTERP_INTERN
typedef struct {
    long	num;
    DWORD	pids[MAXIMUM_WAIT_OBJECTS];
    HANDLE	handles[MAXIMUM_WAIT_OBJECTS];
} child_tab;

#ifndef Sighandler_t
typedef Signal_t (*Sighandler_t) (int);
#define Sighandler_t	Sighandler_t
#endif

struct interp_intern {
    char *	perlshell_tokens;
    char **	perlshell_vec;
    long	perlshell_items;
    struct av *	fdpid;
    child_tab *	children;
#ifdef USE_ITHREADS
    DWORD	pseudo_id;
    child_tab *	pseudo_children;
#endif
    void *	internal_host;
#ifndef USE_5005THREADS
    struct thread_intern	thr_intern;
#endif
    UINT	timerid;
    unsigned 	poll_count;
    Sighandler_t sigtable[SIG_SIZE];
};

DllExport int win32_async_check(pTHX);

#define WIN32_POLL_INTERVAL 32768
#define PERL_ASYNC_CHECK() if (w32_do_async || PL_sig_pending) win32_async_check(aTHX)

#define w32_perlshell_tokens	(PL_sys_intern.perlshell_tokens)
#define w32_perlshell_vec	(PL_sys_intern.perlshell_vec)
#define w32_perlshell_items	(PL_sys_intern.perlshell_items)
#define w32_fdpid		(PL_sys_intern.fdpid)
#define w32_children		(PL_sys_intern.children)
#define w32_num_children	(w32_children->num)
#define w32_child_pids		(w32_children->pids)
#define w32_child_handles	(w32_children->handles)
#define w32_pseudo_id		(PL_sys_intern.pseudo_id)
#define w32_pseudo_children	(PL_sys_intern.pseudo_children)
#define w32_num_pseudo_children		(w32_pseudo_children->num)
#define w32_pseudo_child_pids		(w32_pseudo_children->pids)
#define w32_pseudo_child_handles	(w32_pseudo_children->handles)
#define w32_internal_host		(PL_sys_intern.internal_host)
#define w32_timerid			(PL_sys_intern.timerid)
#define w32_sighandler			(PL_sys_intern.sigtable)
#define w32_poll_count			(PL_sys_intern.poll_count)
#define w32_do_async			(w32_poll_count++ > WIN32_POLL_INTERVAL)
#ifdef USE_5005THREADS
#  define w32_strerror_buffer	(thr->i.Wstrerror_buffer)
#  define w32_getlogin_buffer	(thr->i.Wgetlogin_buffer)
#  define w32_crypt_buffer	(thr->i.Wcrypt_buffer)
#  define w32_servent		(thr->i.Wservent)
#  define w32_init_socktype	(thr->i.Winit_socktype)
#  define w32_use_showwindow	(thr->i.Wuse_showwindow)
#  define w32_showwindow	(thr->i.Wshowwindow)
#else
#  define w32_strerror_buffer	(PL_sys_intern.thr_intern.Wstrerror_buffer)
#  define w32_getlogin_buffer	(PL_sys_intern.thr_intern.Wgetlogin_buffer)
#  define w32_crypt_buffer	(PL_sys_intern.thr_intern.Wcrypt_buffer)
#  define w32_servent		(PL_sys_intern.thr_intern.Wservent)
#  define w32_init_socktype	(PL_sys_intern.thr_intern.Winit_socktype)
#  define w32_use_showwindow	(PL_sys_intern.thr_intern.Wuse_showwindow)
#  define w32_showwindow	(PL_sys_intern.thr_intern.Wshowwindow)
#endif /* USE_5005THREADS */

/* UNICODE<>ANSI translation helpers */
/* Use CP_ACP when mode is ANSI */
/* Use CP_UTF8 when mode is UTF8 */

#define A2WHELPER_LEN(lpa, alen, lpw, nBytes)\
    (lpw[0] = 0, MultiByteToWideChar((IN_BYTES) ? CP_ACP : CP_UTF8, 0, \
				    lpa, alen, lpw, (nBytes/sizeof(WCHAR))))
#define A2WHELPER(lpa, lpw, nBytes)	A2WHELPER_LEN(lpa, -1, lpw, nBytes)

#define W2AHELPER_LEN(lpw, wlen, lpa, nChars)\
    (lpa[0] = '\0', WideCharToMultiByte((IN_BYTES) ? CP_ACP : CP_UTF8, 0, \
				       lpw, wlen, (LPSTR)lpa, nChars,NULL,NULL))
#define W2AHELPER(lpw, lpa, nChars)	W2AHELPER_LEN(lpw, -1, lpa, nChars)

#define USING_WIDE() (PL_widesyscalls && PerlEnv_os_id() == VER_PLATFORM_WIN32_NT)

#ifdef USE_ITHREADS
#  define PERL_WAIT_FOR_CHILDREN \
    STMT_START {							\
	if (w32_pseudo_children && w32_num_pseudo_children) {		\
	    long children = w32_num_pseudo_children;			\
	    WaitForMultipleObjects(children,				\
				   w32_pseudo_child_handles,		\
				   TRUE, INFINITE);			\
	    while (children)						\
		CloseHandle(w32_pseudo_child_handles[--children]);	\
	}								\
    } STMT_END
#endif

#if defined(USE_FIXED_OSFHANDLE) || defined(PERL_MSVCRT_READFIX)
#ifdef PERL_CORE

/* C doesn't like repeat struct definitions */
#ifndef _CRTIMP
#define _CRTIMP __declspec(dllimport)
#endif

/*
 * Control structure for lowio file handles
 */
typedef struct {
    intptr_t osfhnd;/* underlying OS file HANDLE */
    char osfile;    /* attributes of file (e.g., open in text mode?) */
    char pipech;    /* one char buffer for handles opened on pipes */
    int lockinitflag;
    CRITICAL_SECTION lock;
} ioinfo;


/*
 * Array of arrays of control structures for lowio files.
 */
EXTERN_C _CRTIMP ioinfo* __pioinfo[];

/*
 * Definition of IOINFO_L2E, the log base 2 of the number of elements in each
 * array of ioinfo structs.
 */
#define IOINFO_L2E	    5

/*
 * Definition of IOINFO_ARRAY_ELTS, the number of elements in ioinfo array
 */
#define IOINFO_ARRAY_ELTS   (1 << IOINFO_L2E)

/*
 * Access macros for getting at an ioinfo struct and its fields from a
 * file handle
 */
#define _pioinfo(i) (__pioinfo[(i) >> IOINFO_L2E] + ((i) & (IOINFO_ARRAY_ELTS - 1)))
#define _osfhnd(i)  (_pioinfo(i)->osfhnd)
#define _osfile(i)  (_pioinfo(i)->osfile)
#define _pipech(i)  (_pioinfo(i)->pipech)

/* since we are not doing a dup2(), this works fine */
#define _set_osfhnd(fh, osfh) (void)(_osfhnd(fh) = (intptr_t)osfh)
#endif
#endif

/* IO.xs and POSIX.xs define PERLIO_NOT_STDIO to 1 */
#if defined(PERL_EXT_IO) || defined(PERL_EXT_POSIX)
#undef  PERLIO_NOT_STDIO
#endif
#define PERLIO_NOT_STDIO 0

#include "perlio.h"

/*
 * This provides a layer of functions and macros to ensure extensions will
 * get to use the same RTL functions as the core.
 */
#include "win32iop.h"

#define EXEC_ARGV_CAST(x) ((const char *const *) x)

#if !defined(ECONNABORTED) && defined(WSAECONNABORTED)
#define ECONNABORTED WSAECONNABORTED
#endif
#if !defined(EAFNOSUPPORT) && defined(WSAEAFNOSUPPORT)
#define EAFNOSUPPORT WSAEAFNOSUPPORT
#endif

DllExport void *win32_signal_context(void);
#define PERL_GET_SIG_CONTEXT win32_signal_context()

#endif /* _INC_WIN32_PERL5 */

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About the Author

PixiGreg
Software Developer
France France
Bouh

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Article Copyright 2003 by PixiGreg
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