X-Git-Url: https://perl5.git.perl.org/perl5.git/blobdiff_plain/2bd2b9e04a68ec86766c4219cf4da7f0d3168395..0e21945565eb4664d843bb819fb032cedee4d5a6:/win32/perlhost.h

diff --git a/win32/perlhost.h b/win32/perlhost.h
index 729dd57..abe7296 100644
--- a/win32/perlhost.h
+++ b/win32/perlhost.h
@@ -1,937 +1,2453 @@
+/* perlhost.h
+ *
+ * (c) 1999 Microsoft Corporation. All rights reserved.
+ * Portions (c) 1999 ActiveState Tool Corp, http://www.ActiveState.com/
+ *
+ *    You may distribute under the terms of either the GNU General Public
+ *    License or the Artistic License, as specified in the README file.
+ */
 
+#ifndef UNDER_CE
+#define CHECK_HOST_INTERP
+#endif
+
+#ifndef ___PerlHost_H___
+#define ___PerlHost_H___
+
+#ifndef UNDER_CE
+#include <signal.h>
+#endif
 #include "iperlsys.h"
+#include "vmem.h"
+#include "vdir.h"
 
-extern CPerlObj *pPerl;
+#ifndef WC_NO_BEST_FIT_CHARS
+#  define WC_NO_BEST_FIT_CHARS 0x00000400
+#endif
 
-#define CALLFUNC0RET(x)\
-    int ret = x;\
-    if (ret < 0)\
-	err = errno;\
-    return ret;
+START_EXTERN_C
+extern char *		g_win32_get_privlib(const char *pl, STRLEN *const len);
+extern char *		g_win32_get_sitelib(const char *pl, STRLEN *const len);
+extern char *		g_win32_get_vendorlib(const char *pl,
+					      STRLEN *const len);
+extern char *		g_getlogin(void);
+END_EXTERN_C
 
-#define PROCESS_AND_RETURN  \
-    if (errno)		    \
-	err = errno;	    \
-    return r
+class CPerlHost
+{
+public:
+    /* Constructors */
+    CPerlHost(void);
+    CPerlHost(struct IPerlMem** ppMem, struct IPerlMem** ppMemShared,
+		 struct IPerlMem** ppMemParse, struct IPerlEnv** ppEnv,
+		 struct IPerlStdIO** ppStdIO, struct IPerlLIO** ppLIO,
+		 struct IPerlDir** ppDir, struct IPerlSock** ppSock,
+		 struct IPerlProc** ppProc);
+    CPerlHost(CPerlHost& host);
+    ~CPerlHost(void);
 
-#define CALLFUNCRET(x)\
-    int ret = x;\
-    if (ret)\
-	err = errno;\
-    return ret;
+    static CPerlHost* IPerlMem2Host(struct IPerlMem* piPerl);
+    static CPerlHost* IPerlMemShared2Host(struct IPerlMem* piPerl);
+    static CPerlHost* IPerlMemParse2Host(struct IPerlMem* piPerl);
+    static CPerlHost* IPerlEnv2Host(struct IPerlEnv* piPerl);
+    static CPerlHost* IPerlStdIO2Host(struct IPerlStdIO* piPerl);
+    static CPerlHost* IPerlLIO2Host(struct IPerlLIO* piPerl);
+    static CPerlHost* IPerlDir2Host(struct IPerlDir* piPerl);
+    static CPerlHost* IPerlSock2Host(struct IPerlSock* piPerl);
+    static CPerlHost* IPerlProc2Host(struct IPerlProc* piPerl);
 
-#define CALLFUNCERR(x)\
-    int ret = x;\
-    if (errno)\
-	err = errno;\
-    return ret;
+    BOOL PerlCreate(void);
+    int PerlParse(int argc, char** argv, char** env);
+    int PerlRun(void);
+    void PerlDestroy(void);
 
-#define LCALLFUNCERR(x)\
-    long ret = x;\
-    if (errno)\
-	err = errno;\
-    return ret;
+/* IPerlMem */
+    /* Locks provided but should be unnecessary as this is private pool */
+    inline void* Malloc(size_t size) { return m_pVMem->Malloc(size); };
+    inline void* Realloc(void* ptr, size_t size) { return m_pVMem->Realloc(ptr, size); };
+    inline void Free(void* ptr) { m_pVMem->Free(ptr); };
+    inline void* Calloc(size_t num, size_t size)
+    {
+	size_t count = num*size;
+	void* lpVoid = Malloc(count);
+	if (lpVoid)
+	    ZeroMemory(lpVoid, count);
+	return lpVoid;
+    };
+    inline void GetLock(void) { m_pVMem->GetLock(); };
+    inline void FreeLock(void) { m_pVMem->FreeLock(); };
+    inline int IsLocked(void) { return m_pVMem->IsLocked(); };
 
-class CPerlDir : public IPerlDir
-{
-public:
-    CPerlDir() {};
-    virtual int Makedir(const char *dirname, int mode, int &err)
-    {
-	CALLFUNC0RET(win32_mkdir(dirname, mode));
-    };
-    virtual int Chdir(const char *dirname, int &err)
-    {
-	CALLFUNC0RET(win32_chdir(dirname));
-    };
-    virtual int Rmdir(const char *dirname, int &err)
-    {
-	CALLFUNC0RET(win32_rmdir(dirname));
-    };
-    virtual int Close(DIR *dirp, int &err)
+/* IPerlMemShared */
+    /* Locks used to serialize access to the pool */
+    inline void GetLockShared(void) { m_pVMemShared->GetLock(); };
+    inline void FreeLockShared(void) { m_pVMemShared->FreeLock(); };
+    inline int IsLockedShared(void) { return m_pVMemShared->IsLocked(); };
+    inline void* MallocShared(size_t size)
     {
-	return win32_closedir(dirp);
+	void *result;
+	GetLockShared();
+	result = m_pVMemShared->Malloc(size);
+	FreeLockShared();
+	return result;
     };
-    virtual DIR *Open(char *filename, int &err)
+    inline void* ReallocShared(void* ptr, size_t size)
     {
-	return win32_opendir(filename);
+	void *result;
+	GetLockShared();
+	result = m_pVMemShared->Realloc(ptr, size);
+	FreeLockShared();
+	return result;
     };
-    virtual struct direct *Read(DIR *dirp, int &err)
+    inline void FreeShared(void* ptr)
     {
-	return win32_readdir(dirp);
+	GetLockShared();
+	m_pVMemShared->Free(ptr);
+	FreeLockShared();
     };
-    virtual void Rewind(DIR *dirp, int &err)
+    inline void* CallocShared(size_t num, size_t size)
     {
-	win32_rewinddir(dirp);
+	size_t count = num*size;
+	void* lpVoid = MallocShared(count);
+	if (lpVoid)
+	    ZeroMemory(lpVoid, count);
+	return lpVoid;
     };
-    virtual void Seek(DIR *dirp, long loc, int &err)
-    {
-	win32_seekdir(dirp, loc);
+
+/* IPerlMemParse */
+    /* Assume something else is using locks to mangaging serialize
+       on a batch basis
+     */
+    inline void GetLockParse(void) { m_pVMemParse->GetLock(); };
+    inline void FreeLockParse(void) { m_pVMemParse->FreeLock(); };
+    inline int IsLockedParse(void) { return m_pVMemParse->IsLocked(); };
+    inline void* MallocParse(size_t size) { return m_pVMemParse->Malloc(size); };
+    inline void* ReallocParse(void* ptr, size_t size) { return m_pVMemParse->Realloc(ptr, size); };
+    inline void FreeParse(void* ptr) { m_pVMemParse->Free(ptr); };
+    inline void* CallocParse(size_t num, size_t size)
+    {
+	size_t count = num*size;
+	void* lpVoid = MallocParse(count);
+	if (lpVoid)
+	    ZeroMemory(lpVoid, count);
+	return lpVoid;
     };
-    virtual long Tell(DIR *dirp, int &err)
+
+/* IPerlEnv */
+    char *Getenv(const char *varname);
+    int Putenv(const char *envstring);
+    inline char *Getenv(const char *varname, unsigned long *len)
+    {
+	*len = 0;
+	char *e = Getenv(varname);
+	if (e)
+	    *len = strlen(e);
+	return e;
+    }
+    void* CreateChildEnv(void) { return CreateLocalEnvironmentStrings(*m_pvDir); };
+    void FreeChildEnv(void* pStr) { FreeLocalEnvironmentStrings((char*)pStr); };
+    char* GetChildDir(void);
+    void FreeChildDir(char* pStr);
+    void Reset(void);
+    void Clearenv(void);
+
+    inline LPSTR GetIndex(DWORD &dwIndex)
     {
-	return win32_telldir(dirp);
+	if(dwIndex < m_dwEnvCount)
+	{
+	    ++dwIndex;
+	    return m_lppEnvList[dwIndex-1];
+	}
+	return NULL;
     };
-};
 
+protected:
+    LPSTR Find(LPCSTR lpStr);
+    void Add(LPCSTR lpStr);
 
-extern char *		g_win32_get_privlib(char *pl);
-extern char *		g_win32_get_sitelib(char *pl);
+    LPSTR CreateLocalEnvironmentStrings(VDir &vDir);
+    void FreeLocalEnvironmentStrings(LPSTR lpStr);
+    LPSTR* Lookup(LPCSTR lpStr);
+    DWORD CalculateEnvironmentSpace(void);
 
-class CPerlEnv : public IPerlEnv
-{
 public:
-    CPerlEnv() {};
-    virtual char *Getenv(const char *varname, int &err)
-    {
-	return win32_getenv(varname);
-    };
-    virtual int Putenv(const char *envstring, int &err)
-    {
-	return putenv(envstring);
-    };
-    virtual char* LibPath(char *pl)
-    {
-	return g_win32_get_privlib(pl);
-    };
-    virtual char* SiteLibPath(char *pl)
-    {
-	return g_win32_get_sitelib(pl);
-    };
-};
 
-class CPerlSock : public IPerlSock
-{
+/* IPerlDIR */
+    virtual int Chdir(const char *dirname);
+
+/* IPerllProc */
+    void Abort(void);
+    void Exit(int status);
+    void _Exit(int status);
+    int Execl(const char *cmdname, const char *arg0, const char *arg1, const char *arg2, const char *arg3);
+    int Execv(const char *cmdname, const char *const *argv);
+    int Execvp(const char *cmdname, const char *const *argv);
+
+    inline VMem* GetMemShared(void) { m_pVMemShared->AddRef(); return m_pVMemShared; };
+    inline VMem* GetMemParse(void) { m_pVMemParse->AddRef(); return m_pVMemParse; };
+    inline VDir* GetDir(void) { return m_pvDir; };
+
 public:
-    CPerlSock() {};
-    virtual u_long Htonl(u_long hostlong)
-    {
-	return win32_htonl(hostlong);
-    };
-    virtual u_short Htons(u_short hostshort)
-    {
-	return win32_htons(hostshort);
-    };
-    virtual u_long Ntohl(u_long netlong)
-    {
-	return win32_ntohl(netlong);
-    };
-    virtual u_short Ntohs(u_short netshort)
-    {
-	return win32_ntohs(netshort);
-    }
 
-    virtual SOCKET Accept(SOCKET s, struct sockaddr* addr, int* addrlen, int &err)
-    {
-	SOCKET r = win32_accept(s, addr, addrlen);
-	PROCESS_AND_RETURN;
-    };
-    virtual int Bind(SOCKET s, const struct sockaddr* name, int namelen, int &err)
-    {
-	int r = win32_bind(s, name, namelen);
-	PROCESS_AND_RETURN;
-    };
-    virtual int Connect(SOCKET s, const struct sockaddr* name, int namelen, int &err)
-    {
-	int r = win32_connect(s, name, namelen);
-	PROCESS_AND_RETURN;
-    };
-    virtual void Endhostent(int &err)
-    {
-	win32_endhostent();
-    };
-    virtual void Endnetent(int &err)
-    {
-	win32_endnetent();
-    };
-    virtual void Endprotoent(int &err)
-    {
-	win32_endprotoent();
-    };
-    virtual void Endservent(int &err)
-    {
-	win32_endservent();
-    };
-    virtual struct hostent* Gethostbyaddr(const char* addr, int len, int type, int &err)
-    {
-	struct hostent *r = win32_gethostbyaddr(addr, len, type);
-	PROCESS_AND_RETURN;
-    };
-    virtual struct hostent* Gethostbyname(const char* name, int &err)
-    {
-	struct hostent *r = win32_gethostbyname(name);
-	PROCESS_AND_RETURN;
-    };
-    virtual struct hostent* Gethostent(int &err)
-    {
-        croak("gethostent not implemented!\n");
-	return NULL;
-    };
-    virtual int Gethostname(char* name, int namelen, int &err)
-    {
-	int r = win32_gethostname(name, namelen);
-	PROCESS_AND_RETURN;
-    };
-    virtual struct netent *Getnetbyaddr(long net, int type, int &err)
-    {
-	struct netent *r = win32_getnetbyaddr(net, type);
-	PROCESS_AND_RETURN;
-    };
-    virtual struct netent *Getnetbyname(const char *name, int &err)
-    {
-	struct netent *r = win32_getnetbyname((char*)name);
-	PROCESS_AND_RETURN;
-    };
-    virtual struct netent *Getnetent(int &err)
-    {
-	struct netent *r = win32_getnetent();
-	PROCESS_AND_RETURN;
-    };
-    virtual int Getpeername(SOCKET s, struct sockaddr* name, int* namelen, int &err)
-    {
-	int r = win32_getpeername(s, name, namelen);
-	PROCESS_AND_RETURN;
-    };
-    virtual struct protoent* Getprotobyname(const char* name, int &err)
-    {
-	struct protoent *r = win32_getprotobyname(name);
-	PROCESS_AND_RETURN;
-    };
-    virtual struct protoent* Getprotobynumber(int number, int &err)
-    {
-	struct protoent *r = win32_getprotobynumber(number);
-	PROCESS_AND_RETURN;
-    };
-    virtual struct protoent* Getprotoent(int &err)
-    {
-	struct protoent *r = win32_getprotoent();
-	PROCESS_AND_RETURN;
-    };
-    virtual struct servent* Getservbyname(const char* name, const char* proto, int &err)
-    {
-	struct servent *r = win32_getservbyname(name, proto);
-	PROCESS_AND_RETURN;
-    };
-    virtual struct servent* Getservbyport(int port, const char* proto, int &err)
-    {
-	struct servent *r = win32_getservbyport(port, proto);
-	PROCESS_AND_RETURN;
-    };
-    virtual struct servent* Getservent(int &err)
-    {
-	struct servent *r = win32_getservent();
-	PROCESS_AND_RETURN;
-    };
-    virtual int Getsockname(SOCKET s, struct sockaddr* name, int* namelen, int &err)
-    {
-	int r = win32_getsockname(s, name, namelen);
-	PROCESS_AND_RETURN;
-    };
-    virtual int Getsockopt(SOCKET s, int level, int optname, char* optval, int* optlen, int &err)
-    {
-	int r = win32_getsockopt(s, level, optname, optval, optlen);
-	PROCESS_AND_RETURN;
-    };
-    virtual unsigned long InetAddr(const char* cp, int &err)
-    {
-	unsigned long r = win32_inet_addr(cp);
-	PROCESS_AND_RETURN;
-    };
-    virtual char* InetNtoa(struct in_addr in, int &err)
-    {
-	char *r = win32_inet_ntoa(in);
-	PROCESS_AND_RETURN;
-    };
-    virtual int Listen(SOCKET s, int backlog, int &err)
-    {
-	int r = win32_listen(s, backlog);
-	PROCESS_AND_RETURN;
-    };
-    virtual int Recv(SOCKET s, char* buffer, int len, int flags, int &err)
-    {
-	int r = win32_recv(s, buffer, len, flags);
-	PROCESS_AND_RETURN;
-    };
-    virtual int Recvfrom(SOCKET s, char* buffer, int len, int flags, struct sockaddr* from, int* fromlen, int &err)
-    {
-	int r = win32_recvfrom(s, buffer, len, flags, from, fromlen);
-	PROCESS_AND_RETURN;
-    };
-    virtual int Select(int nfds, char* readfds, char* writefds, char* exceptfds, const struct timeval* timeout, int &err)
-    {
-	int r = win32_select(nfds, (Perl_fd_set*)readfds, (Perl_fd_set*)writefds, (Perl_fd_set*)exceptfds, timeout);
-	PROCESS_AND_RETURN;
-    };
-    virtual int Send(SOCKET s, const char* buffer, int len, int flags, int &err)
-    {
-	int r = win32_send(s, buffer, len, flags);
-	PROCESS_AND_RETURN;
-    };
-    virtual int Sendto(SOCKET s, const char* buffer, int len, int flags, const struct sockaddr* to, int tolen, int &err)
-    {
-	int r = win32_sendto(s, buffer, len, flags, to, tolen);
-	PROCESS_AND_RETURN;
-    };
-    virtual void Sethostent(int stayopen, int &err)
-    {
-	win32_sethostent(stayopen);
-    };
-    virtual void Setnetent(int stayopen, int &err)
-    {
-	win32_setnetent(stayopen);
-    };
-    virtual void Setprotoent(int stayopen, int &err)
-    {
-	win32_setprotoent(stayopen);
-    };
-    virtual void Setservent(int stayopen, int &err)
-    {
-	win32_setservent(stayopen);
-    };
-    virtual int Setsockopt(SOCKET s, int level, int optname, const char* optval, int optlen, int &err)
-    {
-	int r = win32_setsockopt(s, level, optname, optval, optlen);
-	PROCESS_AND_RETURN;
-    };
-    virtual int Shutdown(SOCKET s, int how, int &err)
-    {
-	int r = win32_shutdown(s, how);
-	PROCESS_AND_RETURN;
-    };
-    virtual SOCKET Socket(int af, int type, int protocol, int &err)
-    {
-	SOCKET r = win32_socket(af, type, protocol);
-	PROCESS_AND_RETURN;
-    };
-    virtual int Socketpair(int domain, int type, int protocol, int* fds, int &err)
-    {
-        croak("socketpair not implemented!\n");
-	return 0;
-    };
-    virtual int Closesocket(SOCKET s, int& err)
-    {
-	int r = win32_closesocket(s);
-	PROCESS_AND_RETURN;
-    };
-    virtual int Ioctlsocket(SOCKET s, long cmd, u_long *argp, int& err)
-    {
-	int r = win32_ioctlsocket(s, cmd, argp);
-	PROCESS_AND_RETURN;
-    };
-};
+    struct IPerlMem	    m_hostperlMem;
+    struct IPerlMem	    m_hostperlMemShared;
+    struct IPerlMem	    m_hostperlMemParse;
+    struct IPerlEnv	    m_hostperlEnv;
+    struct IPerlStdIO	    m_hostperlStdIO;
+    struct IPerlLIO	    m_hostperlLIO;
+    struct IPerlDir	    m_hostperlDir;
+    struct IPerlSock	    m_hostperlSock;
+    struct IPerlProc	    m_hostperlProc;
 
-class CPerlLIO : public IPerlLIO
-{
+    struct IPerlMem*	    m_pHostperlMem;
+    struct IPerlMem*	    m_pHostperlMemShared;
+    struct IPerlMem*	    m_pHostperlMemParse;
+    struct IPerlEnv*	    m_pHostperlEnv;
+    struct IPerlStdIO*	    m_pHostperlStdIO;
+    struct IPerlLIO*	    m_pHostperlLIO;
+    struct IPerlDir*	    m_pHostperlDir;
+    struct IPerlSock*	    m_pHostperlSock;
+    struct IPerlProc*	    m_pHostperlProc;
+
+    inline char* MapPathA(const char *pInName) { return m_pvDir->MapPathA(pInName); };
+    inline WCHAR* MapPathW(const WCHAR *pInName) { return m_pvDir->MapPathW(pInName); };
+protected:
+
+    VDir*   m_pvDir;
+    VMem*   m_pVMem;
+    VMem*   m_pVMemShared;
+    VMem*   m_pVMemParse;
+
+    DWORD   m_dwEnvCount;
+    LPSTR*  m_lppEnvList;
+    BOOL    m_bTopLevel;	// is this a toplevel host?
+    static long num_hosts;
 public:
-    CPerlLIO() {};
-    virtual int Access(const char *path, int mode, int &err)
-    {
-	CALLFUNCRET(access(path, mode))
-    };
-    virtual int Chmod(const char *filename, int pmode, int &err)
-    {
-	CALLFUNCRET(chmod(filename, pmode))
-    };
-    virtual int Chown(const char *filename, uid_t owner, gid_t group, int &err)
-    {
-	CALLFUNCERR(chown(filename, owner, group))
-    };
-    virtual int Chsize(int handle, long size, int &err)
-    {
-	CALLFUNCRET(chsize(handle, size))
-    };
-    virtual int Close(int handle, int &err)
-    {
-	CALLFUNCRET(win32_close(handle))
-    };
-    virtual int Dup(int handle, int &err)
-    {
-	CALLFUNCERR(win32_dup(handle))
-    };
-    virtual int Dup2(int handle1, int handle2, int &err)
-    {
-	CALLFUNCERR(win32_dup2(handle1, handle2))
-    };
-    virtual int Flock(int fd, int oper, int &err)
-    {
-	CALLFUNCERR(win32_flock(fd, oper))
-    };
-    virtual int FileStat(int handle, struct stat *buffer, int &err)
-    {
-	CALLFUNCERR(fstat(handle, buffer))
-    };
-    virtual int IOCtl(int i, unsigned int u, char *data, int &err)
-    {
-	CALLFUNCERR(win32_ioctlsocket((SOCKET)i, (long)u, (u_long*)data))
-    };
-    virtual int Isatty(int fd, int &err)
-    {
-	return isatty(fd);
-    };
-    virtual long Lseek(int handle, long offset, int origin, int &err)
-    {
-	LCALLFUNCERR(win32_lseek(handle, offset, origin))
-    };
-    virtual int Lstat(const char *path, struct stat *buffer, int &err)
-    {
-	return NameStat(path, buffer, err);
-    };
-    virtual char *Mktemp(char *Template, int &err)
-    {
-	return mktemp(Template);
-    };
-    virtual int Open(const char *filename, int oflag, int &err)
-    {
-	CALLFUNCERR(win32_open(filename, oflag))
-    };
-    virtual int Open(const char *filename, int oflag, int pmode, int &err)
-    {
-	int ret;
-	if(stricmp(filename, "/dev/null") == 0)
-	    ret = open("NUL", oflag, pmode);
-	else
-	    ret = open(filename, oflag, pmode);
-
-	if(errno)
-	    err = errno;
-	return ret;
-    };
-    virtual int Read(int handle, void *buffer, unsigned int count, int &err)
-    {
-	CALLFUNCERR(win32_read(handle, buffer, count))
-    };
-    virtual int Rename(const char *OldFileName, const char *newname, int &err)
-    {
-	CALLFUNCRET(win32_rename(OldFileName, newname))
-    };
-    virtual int Setmode(int handle, int mode, int &err)
-    {
-	CALLFUNCRET(win32_setmode(handle, mode))
-    };
-    virtual int NameStat(const char *path, struct stat *buffer, int &err)
-    {
-	return win32_stat(path, buffer);
-    };
-    virtual char *Tmpnam(char *string, int &err)
-    {
-	return tmpnam(string);
-    };
-    virtual int Umask(int pmode, int &err)
-    {
-	return umask(pmode);
-    };
-    virtual int Unlink(const char *filename, int &err)
-    {
-	chmod(filename, S_IREAD | S_IWRITE);
-	CALLFUNCRET(unlink(filename))
-    };
-    virtual int Utime(char *filename, struct utimbuf *times, int &err)
-    {
-	CALLFUNCRET(win32_utime(filename, times))
-    };
-    virtual int Write(int handle, const void *buffer, unsigned int count, int &err)
-    {
-	CALLFUNCERR(win32_write(handle, buffer, count))
-    };
+    inline  int LastHost(void) { return num_hosts == 1L; };
+    struct interpreter *host_perl;
 };
 
-class CPerlMem : public IPerlMem
+long CPerlHost::num_hosts = 0L;
+
+extern "C" void win32_checkTLS(struct interpreter *host_perl);
+
+#define STRUCT2RAWPTR(x, y) (CPerlHost*)(((LPBYTE)x)-offsetof(CPerlHost, y))
+#ifdef CHECK_HOST_INTERP
+inline CPerlHost* CheckInterp(CPerlHost *host)
 {
-public:
-    CPerlMem() {};
-    virtual void* Malloc(size_t size)
-    {
-	return win32_malloc(size);
-    };
-    virtual void* Realloc(void* ptr, size_t size)
-    {
-	return win32_realloc(ptr, size);
-    };
-    virtual void Free(void* ptr)
-    {
-	win32_free(ptr);
-    };
+ win32_checkTLS(host->host_perl);
+ return host;
+}
+#define STRUCT2PTR(x, y) CheckInterp(STRUCT2RAWPTR(x, y))
+#else
+#define STRUCT2PTR(x, y) STRUCT2RAWPTR(x, y)
+#endif
+
+inline CPerlHost* IPerlMem2Host(struct IPerlMem* piPerl)
+{
+    return STRUCT2RAWPTR(piPerl, m_hostperlMem);
+}
+
+inline CPerlHost* IPerlMemShared2Host(struct IPerlMem* piPerl)
+{
+    return STRUCT2RAWPTR(piPerl, m_hostperlMemShared);
+}
+
+inline CPerlHost* IPerlMemParse2Host(struct IPerlMem* piPerl)
+{
+    return STRUCT2RAWPTR(piPerl, m_hostperlMemParse);
+}
+
+inline CPerlHost* IPerlEnv2Host(struct IPerlEnv* piPerl)
+{
+    return STRUCT2PTR(piPerl, m_hostperlEnv);
+}
+
+inline CPerlHost* IPerlStdIO2Host(struct IPerlStdIO* piPerl)
+{
+    return STRUCT2PTR(piPerl, m_hostperlStdIO);
+}
+
+inline CPerlHost* IPerlLIO2Host(struct IPerlLIO* piPerl)
+{
+    return STRUCT2PTR(piPerl, m_hostperlLIO);
+}
+
+inline CPerlHost* IPerlDir2Host(struct IPerlDir* piPerl)
+{
+    return STRUCT2PTR(piPerl, m_hostperlDir);
+}
+
+inline CPerlHost* IPerlSock2Host(struct IPerlSock* piPerl)
+{
+    return STRUCT2PTR(piPerl, m_hostperlSock);
+}
+
+inline CPerlHost* IPerlProc2Host(struct IPerlProc* piPerl)
+{
+    return STRUCT2PTR(piPerl, m_hostperlProc);
+}
+
+
+
+#undef IPERL2HOST
+#define IPERL2HOST(x) IPerlMem2Host(x)
+
+/* IPerlMem */
+void*
+PerlMemMalloc(struct IPerlMem* piPerl, size_t size)
+{
+    return IPERL2HOST(piPerl)->Malloc(size);
+}
+void*
+PerlMemRealloc(struct IPerlMem* piPerl, void* ptr, size_t size)
+{
+    return IPERL2HOST(piPerl)->Realloc(ptr, size);
+}
+void
+PerlMemFree(struct IPerlMem* piPerl, void* ptr)
+{
+    IPERL2HOST(piPerl)->Free(ptr);
+}
+void*
+PerlMemCalloc(struct IPerlMem* piPerl, size_t num, size_t size)
+{
+    return IPERL2HOST(piPerl)->Calloc(num, size);
+}
+
+void
+PerlMemGetLock(struct IPerlMem* piPerl)
+{
+    IPERL2HOST(piPerl)->GetLock();
+}
+
+void
+PerlMemFreeLock(struct IPerlMem* piPerl)
+{
+    IPERL2HOST(piPerl)->FreeLock();
+}
+
+int
+PerlMemIsLocked(struct IPerlMem* piPerl)
+{
+    return IPERL2HOST(piPerl)->IsLocked();
+}
+
+struct IPerlMem perlMem =
+{
+    PerlMemMalloc,
+    PerlMemRealloc,
+    PerlMemFree,
+    PerlMemCalloc,
+    PerlMemGetLock,
+    PerlMemFreeLock,
+    PerlMemIsLocked,
 };
 
-#define EXECF_EXEC 1
-#define EXECF_SPAWN 2
+#undef IPERL2HOST
+#define IPERL2HOST(x) IPerlMemShared2Host(x)
 
-extern char *		g_getlogin(void);
-extern int		do_spawn2(char *cmd, int exectype);
-extern int		g_do_aspawn(void *vreally, void **vmark, void **vsp);
+/* IPerlMemShared */
+void*
+PerlMemSharedMalloc(struct IPerlMem* piPerl, size_t size)
+{
+    return IPERL2HOST(piPerl)->MallocShared(size);
+}
+void*
+PerlMemSharedRealloc(struct IPerlMem* piPerl, void* ptr, size_t size)
+{
+    return IPERL2HOST(piPerl)->ReallocShared(ptr, size);
+}
+void
+PerlMemSharedFree(struct IPerlMem* piPerl, void* ptr)
+{
+    IPERL2HOST(piPerl)->FreeShared(ptr);
+}
+void*
+PerlMemSharedCalloc(struct IPerlMem* piPerl, size_t num, size_t size)
+{
+    return IPERL2HOST(piPerl)->CallocShared(num, size);
+}
 
-class CPerlProc : public IPerlProc
+void
+PerlMemSharedGetLock(struct IPerlMem* piPerl)
 {
-public:
-    CPerlProc() {};
-    virtual void Abort(void)
-    {
-	win32_abort();
-    };
-    virtual void Exit(int status)
-    {
-	exit(status);
-    };
-    virtual void _Exit(int status)
-    {
-	_exit(status);
-    };
-    virtual int Execl(const char *cmdname, const char *arg0, const char *arg1, const char *arg2, const char *arg3)
-    {
-	return execl(cmdname, arg0, arg1, arg2, arg3);
-    };
-    virtual int Execv(const char *cmdname, const char *const *argv)
-    {
-	return win32_execvp(cmdname, argv);
-    };
-    virtual int Execvp(const char *cmdname, const char *const *argv)
-    {
-	return win32_execvp(cmdname, argv);
-    };
-    virtual uid_t Getuid(void)
-    {
-	return getuid();
-    };
-    virtual uid_t Geteuid(void)
-    {
-	return geteuid();
-    };
-    virtual gid_t Getgid(void)
-    {
-	return getgid();
-    };
-    virtual gid_t Getegid(void)
-    {
-	return getegid();
-    };
-    virtual char *Getlogin(void)
-    {
-	return g_getlogin();
-    };
-    virtual int Kill(int pid, int sig)
-    {
-	return win32_kill(pid, sig);
-    };
-    virtual int Killpg(int pid, int sig)
-    {
-	croak("killpg not implemented!\n");
-	return 0;
-    };
-    virtual int PauseProc(void)
-    {
-	return win32_sleep((32767L << 16) + 32767);
-    };
-    virtual PerlIO* Popen(const char *command, const char *mode)
-    {
-	win32_fflush(stdout);
-	win32_fflush(stderr);
-	return (PerlIO*)win32_popen(command, mode);
-    };
-    virtual int Pclose(PerlIO *stream)
-    {
-	return win32_pclose((FILE*)stream);
-    };
-    virtual int Pipe(int *phandles)
-    {
-	return win32_pipe(phandles, 512, O_BINARY);
-    };
-    virtual int Setuid(uid_t u)
-    {
-	return setuid(u);
-    };
-    virtual int Setgid(gid_t g)
-    {
-	return setgid(g);
-    };
-    virtual int Sleep(unsigned int s)
-    {
-	return win32_sleep(s);
-    };
-    virtual int Times(struct tms *timebuf)
-    {
-	return win32_times(timebuf);
-    };
-    virtual int Wait(int *status)
-    {
-	return win32_wait(status);
-    };
-    virtual int Waitpid(int pid, int *status, int flags)
-    {
-	return win32_waitpid(pid, status, flags);
-    };
-    virtual Sighandler_t Signal(int sig, Sighandler_t subcode)
-    {
-	return 0;
-    };
-    virtual void GetSysMsg(char*& sMsg, DWORD& dwLen, DWORD dwErr)
-    {
-	dwLen = FormatMessage(FORMAT_MESSAGE_ALLOCATE_BUFFER
-			  |FORMAT_MESSAGE_IGNORE_INSERTS
-			  |FORMAT_MESSAGE_FROM_SYSTEM, NULL,
-			   dwErr, 0, (char *)&sMsg, 1, NULL);
-	if (0 < dwLen) {
-	    while (0 < dwLen  &&  isspace(sMsg[--dwLen]))
-		;
-	    if ('.' != sMsg[dwLen])
-		dwLen++;
-	    sMsg[dwLen]= '\0';
-	}
-	if (0 == dwLen) {
-	    sMsg = (char*)LocalAlloc(0, 64/**sizeof(TCHAR)*/);
-	    dwLen = sprintf(sMsg,
-			"Unknown error #0x%lX (lookup 0x%lX)",
-			dwErr, GetLastError());
-	}
-    };
-    virtual void FreeBuf(char* sMsg)
-    {
-	LocalFree(sMsg);
-    };
-    virtual BOOL DoCmd(char *cmd)
-    {
-	do_spawn2(cmd, EXECF_EXEC);
-        return FALSE;
-    };
-    virtual int Spawn(char* cmds)
-    {
-	return do_spawn2(cmds, EXECF_SPAWN);
-    };
-    virtual int Spawnvp(int mode, const char *cmdname, const char *const *argv)
-    {
-	return win32_spawnvp(mode, cmdname, argv);
-    };
-    virtual int ASpawn(void *vreally, void **vmark, void **vsp)
-    {
-	return g_do_aspawn(vreally, vmark, vsp);
-    };
+    IPERL2HOST(piPerl)->GetLockShared();
+}
+
+void
+PerlMemSharedFreeLock(struct IPerlMem* piPerl)
+{
+    IPERL2HOST(piPerl)->FreeLockShared();
+}
+
+int
+PerlMemSharedIsLocked(struct IPerlMem* piPerl)
+{
+    return IPERL2HOST(piPerl)->IsLockedShared();
+}
+
+struct IPerlMem perlMemShared =
+{
+    PerlMemSharedMalloc,
+    PerlMemSharedRealloc,
+    PerlMemSharedFree,
+    PerlMemSharedCalloc,
+    PerlMemSharedGetLock,
+    PerlMemSharedFreeLock,
+    PerlMemSharedIsLocked,
+};
+
+#undef IPERL2HOST
+#define IPERL2HOST(x) IPerlMemParse2Host(x)
+
+/* IPerlMemParse */
+void*
+PerlMemParseMalloc(struct IPerlMem* piPerl, size_t size)
+{
+    return IPERL2HOST(piPerl)->MallocParse(size);
+}
+void*
+PerlMemParseRealloc(struct IPerlMem* piPerl, void* ptr, size_t size)
+{
+    return IPERL2HOST(piPerl)->ReallocParse(ptr, size);
+}
+void
+PerlMemParseFree(struct IPerlMem* piPerl, void* ptr)
+{
+    IPERL2HOST(piPerl)->FreeParse(ptr);
+}
+void*
+PerlMemParseCalloc(struct IPerlMem* piPerl, size_t num, size_t size)
+{
+    return IPERL2HOST(piPerl)->CallocParse(num, size);
+}
+
+void
+PerlMemParseGetLock(struct IPerlMem* piPerl)
+{
+    IPERL2HOST(piPerl)->GetLockParse();
+}
+
+void
+PerlMemParseFreeLock(struct IPerlMem* piPerl)
+{
+    IPERL2HOST(piPerl)->FreeLockParse();
+}
+
+int
+PerlMemParseIsLocked(struct IPerlMem* piPerl)
+{
+    return IPERL2HOST(piPerl)->IsLockedParse();
+}
+
+struct IPerlMem perlMemParse =
+{
+    PerlMemParseMalloc,
+    PerlMemParseRealloc,
+    PerlMemParseFree,
+    PerlMemParseCalloc,
+    PerlMemParseGetLock,
+    PerlMemParseFreeLock,
+    PerlMemParseIsLocked,
+};
+
+
+#undef IPERL2HOST
+#define IPERL2HOST(x) IPerlEnv2Host(x)
+
+/* IPerlEnv */
+char*
+PerlEnvGetenv(struct IPerlEnv* piPerl, const char *varname)
+{
+    return IPERL2HOST(piPerl)->Getenv(varname);
+};
+
+int
+PerlEnvPutenv(struct IPerlEnv* piPerl, const char *envstring)
+{
+    return IPERL2HOST(piPerl)->Putenv(envstring);
+};
+
+char*
+PerlEnvGetenv_len(struct IPerlEnv* piPerl, const char* varname, unsigned long* len)
+{
+    return IPERL2HOST(piPerl)->Getenv(varname, len);
+}
+
+int
+PerlEnvUname(struct IPerlEnv* piPerl, struct utsname *name)
+{
+    return win32_uname(name);
+}
+
+void
+PerlEnvClearenv(struct IPerlEnv* piPerl)
+{
+    IPERL2HOST(piPerl)->Clearenv();
+}
+
+void*
+PerlEnvGetChildenv(struct IPerlEnv* piPerl)
+{
+    return IPERL2HOST(piPerl)->CreateChildEnv();
+}
+
+void
+PerlEnvFreeChildenv(struct IPerlEnv* piPerl, void* childEnv)
+{
+    IPERL2HOST(piPerl)->FreeChildEnv(childEnv);
+}
+
+char*
+PerlEnvGetChilddir(struct IPerlEnv* piPerl)
+{
+    return IPERL2HOST(piPerl)->GetChildDir();
+}
+
+void
+PerlEnvFreeChilddir(struct IPerlEnv* piPerl, char* childDir)
+{
+    IPERL2HOST(piPerl)->FreeChildDir(childDir);
+}
+
+unsigned long
+PerlEnvOsId(struct IPerlEnv* piPerl)
+{
+    return win32_os_id();
+}
+
+char*
+PerlEnvLibPath(struct IPerlEnv* piPerl, const char *pl, STRLEN *const len)
+{
+    return g_win32_get_privlib(pl, len);
+}
+
+char*
+PerlEnvSiteLibPath(struct IPerlEnv* piPerl, const char *pl, STRLEN *const len)
+{
+    return g_win32_get_sitelib(pl, len);
+}
+
+char*
+PerlEnvVendorLibPath(struct IPerlEnv* piPerl, const char *pl,
+		     STRLEN *const len)
+{
+    return g_win32_get_vendorlib(pl, len);
+}
+
+void
+PerlEnvGetChildIO(struct IPerlEnv* piPerl, child_IO_table* ptr)
+{
+    win32_get_child_IO(ptr);
+}
+
+struct IPerlEnv perlEnv =
+{
+    PerlEnvGetenv,
+    PerlEnvPutenv,
+    PerlEnvGetenv_len,
+    PerlEnvUname,
+    PerlEnvClearenv,
+    PerlEnvGetChildenv,
+    PerlEnvFreeChildenv,
+    PerlEnvGetChilddir,
+    PerlEnvFreeChilddir,
+    PerlEnvOsId,
+    PerlEnvLibPath,
+    PerlEnvSiteLibPath,
+    PerlEnvVendorLibPath,
+    PerlEnvGetChildIO,
+};
+
+#undef IPERL2HOST
+#define IPERL2HOST(x) IPerlStdIO2Host(x)
+
+/* PerlStdIO */
+FILE*
+PerlStdIOStdin(struct IPerlStdIO* piPerl)
+{
+    return win32_stdin();
+}
+
+FILE*
+PerlStdIOStdout(struct IPerlStdIO* piPerl)
+{
+    return win32_stdout();
+}
+
+FILE*
+PerlStdIOStderr(struct IPerlStdIO* piPerl)
+{
+    return win32_stderr();
+}
+
+FILE*
+PerlStdIOOpen(struct IPerlStdIO* piPerl, const char *path, const char *mode)
+{
+    return win32_fopen(path, mode);
+}
+
+int
+PerlStdIOClose(struct IPerlStdIO* piPerl, FILE* pf)
+{
+    return win32_fclose((pf));
+}
+
+int
+PerlStdIOEof(struct IPerlStdIO* piPerl, FILE* pf)
+{
+    return win32_feof(pf);
+}
+
+int
+PerlStdIOError(struct IPerlStdIO* piPerl, FILE* pf)
+{
+    return win32_ferror(pf);
+}
+
+void
+PerlStdIOClearerr(struct IPerlStdIO* piPerl, FILE* pf)
+{
+    win32_clearerr(pf);
+}
+
+int
+PerlStdIOGetc(struct IPerlStdIO* piPerl, FILE* pf)
+{
+    return win32_getc(pf);
+}
+
+STDCHAR*
+PerlStdIOGetBase(struct IPerlStdIO* piPerl, FILE* pf)
+{
+#ifdef FILE_base
+    FILE *f = pf;
+    return FILE_base(f);
+#else
+    return NULL;
+#endif
+}
+
+int
+PerlStdIOGetBufsiz(struct IPerlStdIO* piPerl, FILE* pf)
+{
+#ifdef FILE_bufsiz
+    FILE *f = pf;
+    return FILE_bufsiz(f);
+#else
+    return (-1);
+#endif
+}
+
+int
+PerlStdIOGetCnt(struct IPerlStdIO* piPerl, FILE* pf)
+{
+#ifdef USE_STDIO_PTR
+    FILE *f = pf;
+    return FILE_cnt(f);
+#else
+    return (-1);
+#endif
+}
+
+STDCHAR*
+PerlStdIOGetPtr(struct IPerlStdIO* piPerl, FILE* pf)
+{
+#ifdef USE_STDIO_PTR
+    FILE *f = pf;
+    return FILE_ptr(f);
+#else
+    return NULL;
+#endif
+}
+
+char*
+PerlStdIOGets(struct IPerlStdIO* piPerl, char* s, int n, FILE* pf)
+{
+    return win32_fgets(s, n, pf);
+}
+
+int
+PerlStdIOPutc(struct IPerlStdIO* piPerl, int c, FILE* pf)
+{
+    return win32_fputc(c, pf);
+}
+
+int
+PerlStdIOPuts(struct IPerlStdIO* piPerl, const char *s, FILE* pf)
+{
+    return win32_fputs(s, pf);
+}
+
+int
+PerlStdIOFlush(struct IPerlStdIO* piPerl, FILE* pf)
+{
+    return win32_fflush(pf);
+}
+
+int
+PerlStdIOUngetc(struct IPerlStdIO* piPerl,int c, FILE* pf)
+{
+    return win32_ungetc(c, pf);
+}
+
+int
+PerlStdIOFileno(struct IPerlStdIO* piPerl, FILE* pf)
+{
+    return win32_fileno(pf);
+}
+
+FILE*
+PerlStdIOFdopen(struct IPerlStdIO* piPerl, int fd, const char *mode)
+{
+    return win32_fdopen(fd, mode);
+}
+
+FILE*
+PerlStdIOReopen(struct IPerlStdIO* piPerl, const char*path, const char*mode, FILE* pf)
+{
+    return win32_freopen(path, mode, (FILE*)pf);
+}
+
+SSize_t
+PerlStdIORead(struct IPerlStdIO* piPerl, void *buffer, Size_t size, Size_t count, FILE* pf)
+{
+    return win32_fread(buffer, size, count, pf);
+}
+
+SSize_t
+PerlStdIOWrite(struct IPerlStdIO* piPerl, const void *buffer, Size_t size, Size_t count, FILE* pf)
+{
+    return win32_fwrite(buffer, size, count, pf);
+}
+
+void
+PerlStdIOSetBuf(struct IPerlStdIO* piPerl, FILE* pf, char* buffer)
+{
+    win32_setbuf(pf, buffer);
+}
+
+int
+PerlStdIOSetVBuf(struct IPerlStdIO* piPerl, FILE* pf, char* buffer, int type, Size_t size)
+{
+    return win32_setvbuf(pf, buffer, type, size);
+}
+
+void
+PerlStdIOSetCnt(struct IPerlStdIO* piPerl, FILE* pf, int n)
+{
+#ifdef STDIO_CNT_LVALUE
+    FILE *f = pf;
+    FILE_cnt(f) = n;
+#endif
+}
+
+void
+PerlStdIOSetPtr(struct IPerlStdIO* piPerl, FILE* pf, STDCHAR * ptr)
+{
+#ifdef STDIO_PTR_LVALUE
+    FILE *f = pf;
+    FILE_ptr(f) = ptr;
+#endif
+}
+
+void
+PerlStdIOSetlinebuf(struct IPerlStdIO* piPerl, FILE* pf)
+{
+    win32_setvbuf(pf, NULL, _IOLBF, 0);
+}
+
+int
+PerlStdIOPrintf(struct IPerlStdIO* piPerl, FILE* pf, const char *format,...)
+{
+    va_list(arglist);
+    va_start(arglist, format);
+    return win32_vfprintf(pf, format, arglist);
+}
+
+int
+PerlStdIOVprintf(struct IPerlStdIO* piPerl, FILE* pf, const char *format, va_list arglist)
+{
+    return win32_vfprintf(pf, format, arglist);
+}
+
+Off_t
+PerlStdIOTell(struct IPerlStdIO* piPerl, FILE* pf)
+{
+    return win32_ftell(pf);
+}
+
+int
+PerlStdIOSeek(struct IPerlStdIO* piPerl, FILE* pf, Off_t offset, int origin)
+{
+    return win32_fseek(pf, offset, origin);
+}
+
+void
+PerlStdIORewind(struct IPerlStdIO* piPerl, FILE* pf)
+{
+    win32_rewind(pf);
+}
+
+FILE*
+PerlStdIOTmpfile(struct IPerlStdIO* piPerl)
+{
+    return win32_tmpfile();
+}
+
+int
+PerlStdIOGetpos(struct IPerlStdIO* piPerl, FILE* pf, Fpos_t *p)
+{
+    return win32_fgetpos(pf, p);
+}
+
+int
+PerlStdIOSetpos(struct IPerlStdIO* piPerl, FILE* pf, const Fpos_t *p)
+{
+    return win32_fsetpos(pf, p);
+}
+void
+PerlStdIOInit(struct IPerlStdIO* piPerl)
+{
+}
+
+void
+PerlStdIOInitOSExtras(struct IPerlStdIO* piPerl)
+{
+    Perl_init_os_extras();
+}
+
+int
+PerlStdIOOpenOSfhandle(struct IPerlStdIO* piPerl, intptr_t osfhandle, int flags)
+{
+    return win32_open_osfhandle(osfhandle, flags);
+}
+
+intptr_t
+PerlStdIOGetOSfhandle(struct IPerlStdIO* piPerl, int filenum)
+{
+    return win32_get_osfhandle(filenum);
+}
+
+FILE*
+PerlStdIOFdupopen(struct IPerlStdIO* piPerl, FILE* pf)
+{
+#ifndef UNDER_CE
+    FILE* pfdup;
+    fpos_t pos;
+    char mode[3];
+    int fileno = win32_dup(win32_fileno(pf));
+
+    /* open the file in the same mode */
+#ifdef __BORLANDC__
+    if((pf)->flags & _F_READ) {
+	mode[0] = 'r';
+	mode[1] = 0;
+    }
+    else if((pf)->flags & _F_WRIT) {
+	mode[0] = 'a';
+	mode[1] = 0;
+    }
+    else if((pf)->flags & _F_RDWR) {
+	mode[0] = 'r';
+	mode[1] = '+';
+	mode[2] = 0;
+    }
+#else
+    if((pf)->_flag & _IOREAD) {
+	mode[0] = 'r';
+	mode[1] = 0;
+    }
+    else if((pf)->_flag & _IOWRT) {
+	mode[0] = 'a';
+	mode[1] = 0;
+    }
+    else if((pf)->_flag & _IORW) {
+	mode[0] = 'r';
+	mode[1] = '+';
+	mode[2] = 0;
+    }
+#endif
+
+    /* it appears that the binmode is attached to the
+     * file descriptor so binmode files will be handled
+     * correctly
+     */
+    pfdup = win32_fdopen(fileno, mode);
+
+    /* move the file pointer to the same position */
+    if (!fgetpos(pf, &pos)) {
+	fsetpos(pfdup, &pos);
+    }
+    return pfdup;
+#else
+    return 0;
+#endif
+}
+
+struct IPerlStdIO perlStdIO =
+{
+    PerlStdIOStdin,
+    PerlStdIOStdout,
+    PerlStdIOStderr,
+    PerlStdIOOpen,
+    PerlStdIOClose,
+    PerlStdIOEof,
+    PerlStdIOError,
+    PerlStdIOClearerr,
+    PerlStdIOGetc,
+    PerlStdIOGetBase,
+    PerlStdIOGetBufsiz,
+    PerlStdIOGetCnt,
+    PerlStdIOGetPtr,
+    PerlStdIOGets,
+    PerlStdIOPutc,
+    PerlStdIOPuts,
+    PerlStdIOFlush,
+    PerlStdIOUngetc,
+    PerlStdIOFileno,
+    PerlStdIOFdopen,
+    PerlStdIOReopen,
+    PerlStdIORead,
+    PerlStdIOWrite,
+    PerlStdIOSetBuf,
+    PerlStdIOSetVBuf,
+    PerlStdIOSetCnt,
+    PerlStdIOSetPtr,
+    PerlStdIOSetlinebuf,
+    PerlStdIOPrintf,
+    PerlStdIOVprintf,
+    PerlStdIOTell,
+    PerlStdIOSeek,
+    PerlStdIORewind,
+    PerlStdIOTmpfile,
+    PerlStdIOGetpos,
+    PerlStdIOSetpos,
+    PerlStdIOInit,
+    PerlStdIOInitOSExtras,
+    PerlStdIOFdupopen,
+};
+
+
+#undef IPERL2HOST
+#define IPERL2HOST(x) IPerlLIO2Host(x)
+
+/* IPerlLIO */
+int
+PerlLIOAccess(struct IPerlLIO* piPerl, const char *path, int mode)
+{
+    return win32_access(path, mode);
+}
+
+int
+PerlLIOChmod(struct IPerlLIO* piPerl, const char *filename, int pmode)
+{
+    return win32_chmod(filename, pmode);
+}
+
+int
+PerlLIOChown(struct IPerlLIO* piPerl, const char *filename, uid_t owner, gid_t group)
+{
+    return chown(filename, owner, group);
+}
+
+int
+PerlLIOChsize(struct IPerlLIO* piPerl, int handle, Off_t size)
+{
+    return win32_chsize(handle, size);
+}
+
+int
+PerlLIOClose(struct IPerlLIO* piPerl, int handle)
+{
+    return win32_close(handle);
+}
+
+int
+PerlLIODup(struct IPerlLIO* piPerl, int handle)
+{
+    return win32_dup(handle);
+}
+
+int
+PerlLIODup2(struct IPerlLIO* piPerl, int handle1, int handle2)
+{
+    return win32_dup2(handle1, handle2);
+}
+
+int
+PerlLIOFlock(struct IPerlLIO* piPerl, int fd, int oper)
+{
+    return win32_flock(fd, oper);
+}
+
+int
+PerlLIOFileStat(struct IPerlLIO* piPerl, int handle, Stat_t *buffer)
+{
+    return win32_fstat(handle, buffer);
+}
+
+int
+PerlLIOIOCtl(struct IPerlLIO* piPerl, int i, unsigned int u, char *data)
+{
+    u_long u_long_arg;
+    int retval;
+
+    /* mauke says using memcpy avoids alignment issues */
+    memcpy(&u_long_arg, data, sizeof u_long_arg); 
+    retval = win32_ioctlsocket((SOCKET)i, (long)u, &u_long_arg);
+    memcpy(data, &u_long_arg, sizeof u_long_arg);
+    return retval;
+}
+
+int
+PerlLIOIsatty(struct IPerlLIO* piPerl, int fd)
+{
+    return win32_isatty(fd);
+}
+
+int
+PerlLIOLink(struct IPerlLIO* piPerl, const char*oldname, const char *newname)
+{
+    return win32_link(oldname, newname);
+}
+
+Off_t
+PerlLIOLseek(struct IPerlLIO* piPerl, int handle, Off_t offset, int origin)
+{
+    return win32_lseek(handle, offset, origin);
+}
+
+int
+PerlLIOLstat(struct IPerlLIO* piPerl, const char *path, Stat_t *buffer)
+{
+    return win32_stat(path, buffer);
+}
+
+char*
+PerlLIOMktemp(struct IPerlLIO* piPerl, char *Template)
+{
+    return mktemp(Template);
+}
+
+int
+PerlLIOOpen(struct IPerlLIO* piPerl, const char *filename, int oflag)
+{
+    return win32_open(filename, oflag);
+}
+
+int
+PerlLIOOpen3(struct IPerlLIO* piPerl, const char *filename, int oflag, int pmode)
+{
+    return win32_open(filename, oflag, pmode);
+}
+
+int
+PerlLIORead(struct IPerlLIO* piPerl, int handle, void *buffer, unsigned int count)
+{
+    return win32_read(handle, buffer, count);
+}
+
+int
+PerlLIORename(struct IPerlLIO* piPerl, const char *OldFileName, const char *newname)
+{
+    return win32_rename(OldFileName, newname);
+}
+
+int
+PerlLIOSetmode(struct IPerlLIO* piPerl, int handle, int mode)
+{
+    return win32_setmode(handle, mode);
+}
+
+int
+PerlLIONameStat(struct IPerlLIO* piPerl, const char *path, Stat_t *buffer)
+{
+    return win32_stat(path, buffer);
+}
+
+char*
+PerlLIOTmpnam(struct IPerlLIO* piPerl, char *string)
+{
+    return tmpnam(string);
+}
+
+int
+PerlLIOUmask(struct IPerlLIO* piPerl, int pmode)
+{
+    return umask(pmode);
+}
+
+int
+PerlLIOUnlink(struct IPerlLIO* piPerl, const char *filename)
+{
+    return win32_unlink(filename);
+}
+
+int
+PerlLIOUtime(struct IPerlLIO* piPerl, const char *filename, struct utimbuf *times)
+{
+    return win32_utime(filename, times);
+}
+
+int
+PerlLIOWrite(struct IPerlLIO* piPerl, int handle, const void *buffer, unsigned int count)
+{
+    return win32_write(handle, buffer, count);
+}
+
+struct IPerlLIO perlLIO =
+{
+    PerlLIOAccess,
+    PerlLIOChmod,
+    PerlLIOChown,
+    PerlLIOChsize,
+    PerlLIOClose,
+    PerlLIODup,
+    PerlLIODup2,
+    PerlLIOFlock,
+    PerlLIOFileStat,
+    PerlLIOIOCtl,
+    PerlLIOIsatty,
+    PerlLIOLink,
+    PerlLIOLseek,
+    PerlLIOLstat,
+    PerlLIOMktemp,
+    PerlLIOOpen,
+    PerlLIOOpen3,
+    PerlLIORead,
+    PerlLIORename,
+    PerlLIOSetmode,
+    PerlLIONameStat,
+    PerlLIOTmpnam,
+    PerlLIOUmask,
+    PerlLIOUnlink,
+    PerlLIOUtime,
+    PerlLIOWrite,
+};
+
+
+#undef IPERL2HOST
+#define IPERL2HOST(x) IPerlDir2Host(x)
+
+/* IPerlDIR */
+int
+PerlDirMakedir(struct IPerlDir* piPerl, const char *dirname, int mode)
+{
+    return win32_mkdir(dirname, mode);
+}
+
+int
+PerlDirChdir(struct IPerlDir* piPerl, const char *dirname)
+{
+    return IPERL2HOST(piPerl)->Chdir(dirname);
+}
+
+int
+PerlDirRmdir(struct IPerlDir* piPerl, const char *dirname)
+{
+    return win32_rmdir(dirname);
+}
+
+int
+PerlDirClose(struct IPerlDir* piPerl, DIR *dirp)
+{
+    return win32_closedir(dirp);
+}
+
+DIR*
+PerlDirOpen(struct IPerlDir* piPerl, const char *filename)
+{
+    return win32_opendir(filename);
+}
+
+struct direct *
+PerlDirRead(struct IPerlDir* piPerl, DIR *dirp)
+{
+    return win32_readdir(dirp);
+}
+
+void
+PerlDirRewind(struct IPerlDir* piPerl, DIR *dirp)
+{
+    win32_rewinddir(dirp);
+}
+
+void
+PerlDirSeek(struct IPerlDir* piPerl, DIR *dirp, long loc)
+{
+    win32_seekdir(dirp, loc);
+}
+
+long
+PerlDirTell(struct IPerlDir* piPerl, DIR *dirp)
+{
+    return win32_telldir(dirp);
+}
+
+char*
+PerlDirMapPathA(struct IPerlDir* piPerl, const char* path)
+{
+    return IPERL2HOST(piPerl)->MapPathA(path);
+}
+
+WCHAR*
+PerlDirMapPathW(struct IPerlDir* piPerl, const WCHAR* path)
+{
+    return IPERL2HOST(piPerl)->MapPathW(path);
+}
+
+struct IPerlDir perlDir =
+{
+    PerlDirMakedir,
+    PerlDirChdir,
+    PerlDirRmdir,
+    PerlDirClose,
+    PerlDirOpen,
+    PerlDirRead,
+    PerlDirRewind,
+    PerlDirSeek,
+    PerlDirTell,
+    PerlDirMapPathA,
+    PerlDirMapPathW,
 };
 
 
-class CPerlStdIO : public IPerlStdIO
+/* IPerlSock */
+u_long
+PerlSockHtonl(struct IPerlSock* piPerl, u_long hostlong)
+{
+    return win32_htonl(hostlong);
+}
+
+u_short
+PerlSockHtons(struct IPerlSock* piPerl, u_short hostshort)
+{
+    return win32_htons(hostshort);
+}
+
+u_long
+PerlSockNtohl(struct IPerlSock* piPerl, u_long netlong)
+{
+    return win32_ntohl(netlong);
+}
+
+u_short
+PerlSockNtohs(struct IPerlSock* piPerl, u_short netshort)
+{
+    return win32_ntohs(netshort);
+}
+
+SOCKET PerlSockAccept(struct IPerlSock* piPerl, SOCKET s, struct sockaddr* addr, int* addrlen)
+{
+    return win32_accept(s, addr, addrlen);
+}
+
+int
+PerlSockBind(struct IPerlSock* piPerl, SOCKET s, const struct sockaddr* name, int namelen)
+{
+    return win32_bind(s, name, namelen);
+}
+
+int
+PerlSockConnect(struct IPerlSock* piPerl, SOCKET s, const struct sockaddr* name, int namelen)
+{
+    return win32_connect(s, name, namelen);
+}
+
+void
+PerlSockEndhostent(struct IPerlSock* piPerl)
+{
+    win32_endhostent();
+}
+
+void
+PerlSockEndnetent(struct IPerlSock* piPerl)
+{
+    win32_endnetent();
+}
+
+void
+PerlSockEndprotoent(struct IPerlSock* piPerl)
+{
+    win32_endprotoent();
+}
+
+void
+PerlSockEndservent(struct IPerlSock* piPerl)
+{
+    win32_endservent();
+}
+
+struct hostent*
+PerlSockGethostbyaddr(struct IPerlSock* piPerl, const char* addr, int len, int type)
+{
+    return win32_gethostbyaddr(addr, len, type);
+}
+
+struct hostent*
+PerlSockGethostbyname(struct IPerlSock* piPerl, const char* name)
+{
+    return win32_gethostbyname(name);
+}
+
+struct hostent*
+PerlSockGethostent(struct IPerlSock* piPerl)
+{
+    dTHX;
+    Perl_croak(aTHX_ "gethostent not implemented!\n");
+    return NULL;
+}
+
+int
+PerlSockGethostname(struct IPerlSock* piPerl, char* name, int namelen)
+{
+    return win32_gethostname(name, namelen);
+}
+
+struct netent *
+PerlSockGetnetbyaddr(struct IPerlSock* piPerl, long net, int type)
+{
+    return win32_getnetbyaddr(net, type);
+}
+
+struct netent *
+PerlSockGetnetbyname(struct IPerlSock* piPerl, const char *name)
+{
+    return win32_getnetbyname((char*)name);
+}
+
+struct netent *
+PerlSockGetnetent(struct IPerlSock* piPerl)
+{
+    return win32_getnetent();
+}
+
+int PerlSockGetpeername(struct IPerlSock* piPerl, SOCKET s, struct sockaddr* name, int* namelen)
+{
+    return win32_getpeername(s, name, namelen);
+}
+
+struct protoent*
+PerlSockGetprotobyname(struct IPerlSock* piPerl, const char* name)
+{
+    return win32_getprotobyname(name);
+}
+
+struct protoent*
+PerlSockGetprotobynumber(struct IPerlSock* piPerl, int number)
+{
+    return win32_getprotobynumber(number);
+}
+
+struct protoent*
+PerlSockGetprotoent(struct IPerlSock* piPerl)
+{
+    return win32_getprotoent();
+}
+
+struct servent*
+PerlSockGetservbyname(struct IPerlSock* piPerl, const char* name, const char* proto)
+{
+    return win32_getservbyname(name, proto);
+}
+
+struct servent*
+PerlSockGetservbyport(struct IPerlSock* piPerl, int port, const char* proto)
+{
+    return win32_getservbyport(port, proto);
+}
+
+struct servent*
+PerlSockGetservent(struct IPerlSock* piPerl)
+{
+    return win32_getservent();
+}
+
+int
+PerlSockGetsockname(struct IPerlSock* piPerl, SOCKET s, struct sockaddr* name, int* namelen)
+{
+    return win32_getsockname(s, name, namelen);
+}
+
+int
+PerlSockGetsockopt(struct IPerlSock* piPerl, SOCKET s, int level, int optname, char* optval, int* optlen)
+{
+    return win32_getsockopt(s, level, optname, optval, optlen);
+}
+
+unsigned long
+PerlSockInetAddr(struct IPerlSock* piPerl, const char* cp)
+{
+    return win32_inet_addr(cp);
+}
+
+char*
+PerlSockInetNtoa(struct IPerlSock* piPerl, struct in_addr in)
+{
+    return win32_inet_ntoa(in);
+}
+
+int
+PerlSockListen(struct IPerlSock* piPerl, SOCKET s, int backlog)
+{
+    return win32_listen(s, backlog);
+}
+
+int
+PerlSockRecv(struct IPerlSock* piPerl, SOCKET s, char* buffer, int len, int flags)
+{
+    return win32_recv(s, buffer, len, flags);
+}
+
+int
+PerlSockRecvfrom(struct IPerlSock* piPerl, SOCKET s, char* buffer, int len, int flags, struct sockaddr* from, int* fromlen)
+{
+    return win32_recvfrom(s, buffer, len, flags, from, fromlen);
+}
+
+int
+PerlSockSelect(struct IPerlSock* piPerl, int nfds, char* readfds, char* writefds, char* exceptfds, const struct timeval* timeout)
+{
+    return win32_select(nfds, (Perl_fd_set*)readfds, (Perl_fd_set*)writefds, (Perl_fd_set*)exceptfds, timeout);
+}
+
+int
+PerlSockSend(struct IPerlSock* piPerl, SOCKET s, const char* buffer, int len, int flags)
+{
+    return win32_send(s, buffer, len, flags);
+}
+
+int
+PerlSockSendto(struct IPerlSock* piPerl, SOCKET s, const char* buffer, int len, int flags, const struct sockaddr* to, int tolen)
+{
+    return win32_sendto(s, buffer, len, flags, to, tolen);
+}
+
+void
+PerlSockSethostent(struct IPerlSock* piPerl, int stayopen)
+{
+    win32_sethostent(stayopen);
+}
+
+void
+PerlSockSetnetent(struct IPerlSock* piPerl, int stayopen)
+{
+    win32_setnetent(stayopen);
+}
+
+void
+PerlSockSetprotoent(struct IPerlSock* piPerl, int stayopen)
+{
+    win32_setprotoent(stayopen);
+}
+
+void
+PerlSockSetservent(struct IPerlSock* piPerl, int stayopen)
+{
+    win32_setservent(stayopen);
+}
+
+int
+PerlSockSetsockopt(struct IPerlSock* piPerl, SOCKET s, int level, int optname, const char* optval, int optlen)
+{
+    return win32_setsockopt(s, level, optname, optval, optlen);
+}
+
+int
+PerlSockShutdown(struct IPerlSock* piPerl, SOCKET s, int how)
+{
+    return win32_shutdown(s, how);
+}
+
+SOCKET
+PerlSockSocket(struct IPerlSock* piPerl, int af, int type, int protocol)
+{
+    return win32_socket(af, type, protocol);
+}
+
+int
+PerlSockSocketpair(struct IPerlSock* piPerl, int domain, int type, int protocol, int* fds)
+{
+    return Perl_my_socketpair(domain, type, protocol, fds);
+}
+
+int
+PerlSockClosesocket(struct IPerlSock* piPerl, SOCKET s)
+{
+    return win32_closesocket(s);
+}
+
+int
+PerlSockIoctlsocket(struct IPerlSock* piPerl, SOCKET s, long cmd, u_long *argp)
+{
+    return win32_ioctlsocket(s, cmd, argp);
+}
+
+struct IPerlSock perlSock =
+{
+    PerlSockHtonl,
+    PerlSockHtons,
+    PerlSockNtohl,
+    PerlSockNtohs,
+    PerlSockAccept,
+    PerlSockBind,
+    PerlSockConnect,
+    PerlSockEndhostent,
+    PerlSockEndnetent,
+    PerlSockEndprotoent,
+    PerlSockEndservent,
+    PerlSockGethostname,
+    PerlSockGetpeername,
+    PerlSockGethostbyaddr,
+    PerlSockGethostbyname,
+    PerlSockGethostent,
+    PerlSockGetnetbyaddr,
+    PerlSockGetnetbyname,
+    PerlSockGetnetent,
+    PerlSockGetprotobyname,
+    PerlSockGetprotobynumber,
+    PerlSockGetprotoent,
+    PerlSockGetservbyname,
+    PerlSockGetservbyport,
+    PerlSockGetservent,
+    PerlSockGetsockname,
+    PerlSockGetsockopt,
+    PerlSockInetAddr,
+    PerlSockInetNtoa,
+    PerlSockListen,
+    PerlSockRecv,
+    PerlSockRecvfrom,
+    PerlSockSelect,
+    PerlSockSend,
+    PerlSockSendto,
+    PerlSockSethostent,
+    PerlSockSetnetent,
+    PerlSockSetprotoent,
+    PerlSockSetservent,
+    PerlSockSetsockopt,
+    PerlSockShutdown,
+    PerlSockSocket,
+    PerlSockSocketpair,
+    PerlSockClosesocket,
+};
+
+
+/* IPerlProc */
+
+#define EXECF_EXEC 1
+#define EXECF_SPAWN 2
+
+void
+PerlProcAbort(struct IPerlProc* piPerl)
+{
+    win32_abort();
+}
+
+char *
+PerlProcCrypt(struct IPerlProc* piPerl, const char* clear, const char* salt)
+{
+    return win32_crypt(clear, salt);
+}
+
+void
+PerlProcExit(struct IPerlProc* piPerl, int status)
+{
+    exit(status);
+}
+
+void
+PerlProc_Exit(struct IPerlProc* piPerl, int status)
+{
+    _exit(status);
+}
+
+int
+PerlProcExecl(struct IPerlProc* piPerl, const char *cmdname, const char *arg0, const char *arg1, const char *arg2, const char *arg3)
+{
+    return execl(cmdname, arg0, arg1, arg2, arg3);
+}
+
+int
+PerlProcExecv(struct IPerlProc* piPerl, const char *cmdname, const char *const *argv)
+{
+    return win32_execvp(cmdname, argv);
+}
+
+int
+PerlProcExecvp(struct IPerlProc* piPerl, const char *cmdname, const char *const *argv)
+{
+    return win32_execvp(cmdname, argv);
+}
+
+uid_t
+PerlProcGetuid(struct IPerlProc* piPerl)
+{
+    return getuid();
+}
+
+uid_t
+PerlProcGeteuid(struct IPerlProc* piPerl)
+{
+    return geteuid();
+}
+
+gid_t
+PerlProcGetgid(struct IPerlProc* piPerl)
+{
+    return getgid();
+}
+
+gid_t
+PerlProcGetegid(struct IPerlProc* piPerl)
+{
+    return getegid();
+}
+
+char *
+PerlProcGetlogin(struct IPerlProc* piPerl)
+{
+    return g_getlogin();
+}
+
+int
+PerlProcKill(struct IPerlProc* piPerl, int pid, int sig)
+{
+    return win32_kill(pid, sig);
+}
+
+int
+PerlProcKillpg(struct IPerlProc* piPerl, int pid, int sig)
+{
+    return win32_kill(pid, -sig);
+}
+
+int
+PerlProcPauseProc(struct IPerlProc* piPerl)
+{
+    return win32_sleep((32767L << 16) + 32767);
+}
+
+PerlIO*
+PerlProcPopen(struct IPerlProc* piPerl, const char *command, const char *mode)
+{
+    dTHX;
+    PERL_FLUSHALL_FOR_CHILD;
+    return win32_popen(command, mode);
+}
+
+PerlIO*
+PerlProcPopenList(struct IPerlProc* piPerl, const char *mode, IV narg, SV **args)
+{
+    dTHX;
+    PERL_FLUSHALL_FOR_CHILD;
+    return win32_popenlist(mode, narg, args);
+}
+
+int
+PerlProcPclose(struct IPerlProc* piPerl, PerlIO *stream)
+{
+    return win32_pclose(stream);
+}
+
+int
+PerlProcPipe(struct IPerlProc* piPerl, int *phandles)
+{
+    return win32_pipe(phandles, 512, O_BINARY);
+}
+
+int
+PerlProcSetuid(struct IPerlProc* piPerl, uid_t u)
+{
+    return setuid(u);
+}
+
+int
+PerlProcSetgid(struct IPerlProc* piPerl, gid_t g)
+{
+    return setgid(g);
+}
+
+int
+PerlProcSleep(struct IPerlProc* piPerl, unsigned int s)
+{
+    return win32_sleep(s);
+}
+
+int
+PerlProcTimes(struct IPerlProc* piPerl, struct tms *timebuf)
+{
+    return win32_times(timebuf);
+}
+
+int
+PerlProcWait(struct IPerlProc* piPerl, int *status)
+{
+    return win32_wait(status);
+}
+
+int
+PerlProcWaitpid(struct IPerlProc* piPerl, int pid, int *status, int flags)
+{
+    return win32_waitpid(pid, status, flags);
+}
+
+Sighandler_t
+PerlProcSignal(struct IPerlProc* piPerl, int sig, Sighandler_t subcode)
+{
+    return win32_signal(sig, subcode);
+}
+
+int
+PerlProcGetTimeOfDay(struct IPerlProc* piPerl, struct timeval *t, void *z)
 {
-public:
-    CPerlStdIO() {};
-    virtual PerlIO* Stdin(void)
-    {
-	return (PerlIO*)win32_stdin();
-    };
-    virtual PerlIO* Stdout(void)
-    {
-	return (PerlIO*)win32_stdout();
-    };
-    virtual PerlIO* Stderr(void)
-    {
-	return (PerlIO*)win32_stderr();
-    };
-    virtual PerlIO* Open(const char *path, const char *mode, int &err)
-    {
-	PerlIO*pf = (PerlIO*)win32_fopen(path, mode);
-	if(errno)
-	    err = errno;
-	return pf;
-    };
-    virtual int Close(PerlIO* pf, int &err)
-    {
-	CALLFUNCERR(win32_fclose(((FILE*)pf)))
-    };
-    virtual int Eof(PerlIO* pf, int &err)
-    {
-	CALLFUNCERR(win32_feof((FILE*)pf))
-    };
-    virtual int Error(PerlIO* pf, int &err)
-    {
-	CALLFUNCERR(win32_ferror((FILE*)pf))
-    };
-    virtual void Clearerr(PerlIO* pf, int &err)
-    {
-	win32_clearerr((FILE*)pf);
-    };
-    virtual int Getc(PerlIO* pf, int &err)
-    {
-	CALLFUNCERR(win32_getc((FILE*)pf))
-    };
-    virtual char* GetBase(PerlIO* pf, int &err)
-    {
-#ifdef FILE_base
-	FILE *f = (FILE*)pf;
-	return FILE_base(f);
-#else
-	return Nullch;
-#endif
-    };
-    virtual int GetBufsiz(PerlIO* pf, int &err)
-    {
-#ifdef FILE_bufsize
-	FILE *f = (FILE*)pf;
-	return FILE_bufsiz(f);
-#else
-	return (-1);
-#endif
-    };
-    virtual int GetCnt(PerlIO* pf, int &err)
-    {
-#ifdef USE_STDIO_PTR
-	FILE *f = (FILE*)pf;
-	return FILE_cnt(f);
-#else
-	return (-1);
+    return win32_gettimeofday(t, z);
+}
+
+#ifdef USE_ITHREADS
+static THREAD_RET_TYPE
+win32_start_child(LPVOID arg)
+{
+    PerlInterpreter *my_perl = (PerlInterpreter*)arg;
+    GV *tmpgv;
+    int status;
+    HWND parent_message_hwnd;
+#ifdef PERL_SYNC_FORK
+    static long sync_fork_id = 0;
+    long id = ++sync_fork_id;
 #endif
-    };
-    virtual char* GetPtr(PerlIO* pf, int &err)
-    {
-#ifdef USE_STDIO_PTR
-	FILE *f = (FILE*)pf;
-	return FILE_ptr(f);
+
+
+    PERL_SET_THX(my_perl);
+    win32_checkTLS(my_perl);
+
+#ifdef PERL_SYNC_FORK
+    w32_pseudo_id = id;
 #else
-	return Nullch;
+    w32_pseudo_id = GetCurrentThreadId();
 #endif
-    };
-    virtual char* Gets(PerlIO* pf, char* s, int n, int& err)
-    {
-	char* ret = win32_fgets(s, n, (FILE*)pf);
-	if(errno)
-	    err = errno;
-	return ret;
-    };
-    virtual int Putc(PerlIO* pf, int c, int &err)
-    {
-	CALLFUNCERR(win32_fputc(c, (FILE*)pf))
-    };
-    virtual int Puts(PerlIO* pf, const char *s, int &err)
-    {
-	CALLFUNCERR(win32_fputs(s, (FILE*)pf))
-    };
-    virtual int Flush(PerlIO* pf, int &err)
-    {
-	CALLFUNCERR(win32_fflush((FILE*)pf))
-    };
-    virtual int Ungetc(PerlIO* pf,int c, int &err)
-    {
-	CALLFUNCERR(win32_ungetc(c, (FILE*)pf))
-    };
-    virtual int Fileno(PerlIO* pf, int &err)
-    {
-	CALLFUNCERR(win32_fileno((FILE*)pf))
-    };
-    virtual PerlIO* Fdopen(int fd, const char *mode, int &err)
-    {
-	PerlIO* pf = (PerlIO*)win32_fdopen(fd, mode);
-	if(errno)
-	    err = errno;
-	return pf;
-    };
-    virtual PerlIO* Reopen(const char*path, const char*mode, PerlIO* pf, int &err)
-    {
-	PerlIO* newPf = (PerlIO*)win32_freopen(path, mode, (FILE*)pf);
-	if(errno)
-	    err = errno;
-	return newPf;
-    };
-    virtual SSize_t Read(PerlIO* pf, void *buffer, Size_t size, int &err)
-    {
-	SSize_t i = win32_fread(buffer, 1, size, (FILE*)pf);
-	if(errno)
-	    err = errno;
-	return i;
-    };
-    virtual SSize_t Write(PerlIO* pf, const void *buffer, Size_t size, int &err)
-    {
-	SSize_t i = win32_fwrite(buffer, 1, size, (FILE*)pf);
-	if(errno)
-	    err = errno;
-	return i;
-    };
-    virtual void SetBuf(PerlIO* pf, char* buffer, int &err)
-    {
-	win32_setbuf((FILE*)pf, buffer);
-    };
-    virtual int SetVBuf(PerlIO* pf, char* buffer, int type, Size_t size, int &err)
+#ifdef PERL_USES_PL_PIDSTATUS    
+    hv_clear(PL_pidstatus);
+#endif    
+
+    /* create message window and tell parent about it */
+    parent_message_hwnd = w32_message_hwnd;
+    w32_message_hwnd = win32_create_message_window();
+    if (parent_message_hwnd != NULL)
+        PostMessage(parent_message_hwnd, WM_USER_MESSAGE, w32_pseudo_id, (LPARAM)w32_message_hwnd);
+
+    /* push a zero on the stack (we are the child) */
     {
-	int i = win32_setvbuf((FILE*)pf, buffer, type, size);
-	if(errno)
-	    err = errno;
-	return i;
-    };
-    virtual void SetCnt(PerlIO* pf, int n, int &err)
+	dSP;
+	dTARGET;
+	PUSHi(0);
+	PUTBACK;
+    }
+
+    /* continue from next op */
+    PL_op = PL_op->op_next;
+
     {
-#ifdef STDIO_CNT_LVALUE
-	FILE *f = (FILE*)pf;
-	FILE_cnt(f) = n;
-#endif
-    };
-    virtual void SetPtrCnt(PerlIO* pf, char * ptr, int n, int& err)
+	dJMPENV;
+	volatile int oldscope = 1; /* We are responsible for all scopes */
+
+restart:
+	JMPENV_PUSH(status);
+	switch (status) {
+	case 0:
+	    CALLRUNOPS(aTHX);
+            /* We may have additional unclosed scopes if fork() was called
+             * from within a BEGIN block.  See perlfork.pod for more details.
+             * We cannot clean up these other scopes because they belong to a
+             * different interpreter, but we also cannot leave PL_scopestack_ix
+             * dangling because that can trigger an assertion in perl_destruct().
+             */
+            if (PL_scopestack_ix > oldscope) {
+                PL_scopestack[oldscope-1] = PL_scopestack[PL_scopestack_ix-1];
+                PL_scopestack_ix = oldscope;
+            }
+	    status = 0;
+	    break;
+	case 2:
+	    while (PL_scopestack_ix > oldscope)
+		LEAVE;
+	    FREETMPS;
+	    PL_curstash = PL_defstash;
+	    if (PL_endav && !PL_minus_c)
+		call_list(oldscope, PL_endav);
+	    status = STATUS_EXIT;
+	    break;
+	case 3:
+	    if (PL_restartop) {
+		POPSTACK_TO(PL_mainstack);
+		PL_op = PL_restartop;
+		PL_restartop = (OP*)NULL;
+		goto restart;
+	    }
+	    PerlIO_printf(Perl_error_log, "panic: restartop\n");
+	    FREETMPS;
+	    status = 1;
+	    break;
+	}
+	JMPENV_POP;
+
+	/* XXX hack to avoid perl_destruct() freeing optree */
+        win32_checkTLS(my_perl);
+	PL_main_root = (OP*)NULL;
+    }
+
+    win32_checkTLS(my_perl);
+    /* close the std handles to avoid fd leaks */
     {
-#ifdef STDIO_PTR_LVALUE
-	FILE *f = (FILE*)pf;
-	FILE_ptr(f) = ptr;
-	FILE_cnt(f) = n;
+	do_close(PL_stdingv, FALSE);
+	do_close(gv_fetchpv("STDOUT", TRUE, SVt_PVIO), FALSE); /* PL_stdoutgv - ISAGN */
+	do_close(PL_stderrgv, FALSE);
+    }
+
+    /* destroy everything (waits for any pseudo-forked children) */
+    win32_checkTLS(my_perl);
+    perl_destruct(my_perl);
+    win32_checkTLS(my_perl);
+    perl_free(my_perl);
+
+#ifdef PERL_SYNC_FORK
+    return id;
+#else
+    return (DWORD)status;
 #endif
-    };
-    virtual void Setlinebuf(PerlIO* pf, int &err)
-    {
-	win32_setvbuf((FILE*)pf, NULL, _IOLBF, 0);
-    };
-    virtual int Printf(PerlIO* pf, int &err, const char *format,...)
-    {
-	va_list(arglist);
-	va_start(arglist, format);
-	int i = win32_vfprintf((FILE*)pf, format, arglist);
-	if(errno)
-	    err = errno;
-	return i;
-    };
-    virtual int Vprintf(PerlIO* pf, int &err, const char *format, va_list arglist)
-    {
-	int i = win32_vfprintf((FILE*)pf, format, arglist);
-	if(errno)
-	    err = errno;
-	return i;
-    };
-    virtual long Tell(PerlIO* pf, int &err)
-    {
-	long l = win32_ftell((FILE*)pf);
-	if(errno)
-	    err = errno;
-	return l;
-    };
-    virtual int Seek(PerlIO* pf, off_t offset, int origin, int &err)
-    {
-	int i = win32_fseek((FILE*)pf, offset, origin);
-	if(errno)
-	    err = errno;
-	return i;
-    };
-    virtual void Rewind(PerlIO* pf, int &err)
-    {
-	win32_rewind((FILE*)pf);
-    };
-    virtual PerlIO* Tmpfile(int &err)
-    {
-	PerlIO* pf = (PerlIO*)win32_tmpfile();
-	if(errno)
-	    err = errno;
-	return pf;
-    };
-    virtual int Getpos(PerlIO* pf, Fpos_t *p, int &err)
-    {
-	int i = win32_fgetpos((FILE*)pf, p);
-	if(errno)
-	    err = errno;
-	return i;
-    };
-    virtual int Setpos(PerlIO* pf, const Fpos_t *p, int &err)
-    {
-	int i = win32_fsetpos((FILE*)pf, p);
-	if(errno)
-	    err = errno;
-	return i;
-    };
-    virtual void Init(int &err)
-    {
-    };
-    virtual void InitOSExtras(void* p)
-    {
-	Perl_init_os_extras();
-    };
-    virtual int OpenOSfhandle(long osfhandle, int flags)
-    {
-	return win32_open_osfhandle(osfhandle, flags);
+}
+#endif /* USE_ITHREADS */
+
+int
+PerlProcFork(struct IPerlProc* piPerl)
+{
+    dTHX;
+#ifdef USE_ITHREADS
+    DWORD id;
+    HANDLE handle;
+    CPerlHost *h;
+
+    if (w32_num_pseudo_children >= MAXIMUM_WAIT_OBJECTS) {
+	errno = EAGAIN;
+	return -1;
     }
-    virtual int GetOSfhandle(int filenum)
-    {
-	return win32_get_osfhandle(filenum);
+    h = new CPerlHost(*(CPerlHost*)w32_internal_host);
+    PerlInterpreter *new_perl = perl_clone_using((PerlInterpreter*)aTHX,
+						 CLONEf_COPY_STACKS,
+						 h->m_pHostperlMem,
+						 h->m_pHostperlMemShared,
+						 h->m_pHostperlMemParse,
+						 h->m_pHostperlEnv,
+						 h->m_pHostperlStdIO,
+						 h->m_pHostperlLIO,
+						 h->m_pHostperlDir,
+						 h->m_pHostperlSock,
+						 h->m_pHostperlProc
+						 );
+    new_perl->Isys_intern.internal_host = h;
+    h->host_perl = new_perl;
+#  ifdef PERL_SYNC_FORK
+    id = win32_start_child((LPVOID)new_perl);
+    PERL_SET_THX(aTHX);
+#  else
+    if (w32_message_hwnd == INVALID_HANDLE_VALUE)
+        w32_message_hwnd = win32_create_message_window();
+    new_perl->Isys_intern.message_hwnd = w32_message_hwnd;
+    w32_pseudo_child_message_hwnds[w32_num_pseudo_children] =
+        (w32_message_hwnd == NULL) ? (HWND)NULL : (HWND)INVALID_HANDLE_VALUE;
+#    ifdef USE_RTL_THREAD_API
+    handle = (HANDLE)_beginthreadex((void*)NULL, 0, win32_start_child,
+				    (void*)new_perl, 0, (unsigned*)&id);
+#    else
+    handle = CreateThread(NULL, 0, win32_start_child,
+			  (LPVOID)new_perl, 0, &id);
+#    endif
+    PERL_SET_THX(aTHX);	/* XXX perl_clone*() set TLS */
+    if (!handle) {
+	errno = EAGAIN;
+	return -1;
     }
+    w32_pseudo_child_handles[w32_num_pseudo_children] = handle;
+    w32_pseudo_child_pids[w32_num_pseudo_children] = id;
+    w32_pseudo_child_sigterm[w32_num_pseudo_children] = 0;
+    ++w32_num_pseudo_children;
+#  endif
+    return -(int)id;
+#else
+    Perl_croak(aTHX_ "fork() not implemented!\n");
+    return -1;
+#endif /* USE_ITHREADS */
+}
+
+int
+PerlProcGetpid(struct IPerlProc* piPerl)
+{
+    return win32_getpid();
+}
+
+void*
+PerlProcDynaLoader(struct IPerlProc* piPerl, const char* filename)
+{
+    return win32_dynaload(filename);
+}
+
+void
+PerlProcGetOSError(struct IPerlProc* piPerl, SV* sv, DWORD dwErr)
+{
+    win32_str_os_error(sv, dwErr);
+}
+
+int
+PerlProcSpawnvp(struct IPerlProc* piPerl, int mode, const char *cmdname, const char *const *argv)
+{
+    return win32_spawnvp(mode, cmdname, argv);
+}
+
+int
+PerlProcLastHost(struct IPerlProc* piPerl)
+{
+ dTHX;
+ CPerlHost *h = (CPerlHost*)w32_internal_host;
+ return h->LastHost();
+}
+
+struct IPerlProc perlProc =
+{
+    PerlProcAbort,
+    PerlProcCrypt,
+    PerlProcExit,
+    PerlProc_Exit,
+    PerlProcExecl,
+    PerlProcExecv,
+    PerlProcExecvp,
+    PerlProcGetuid,
+    PerlProcGeteuid,
+    PerlProcGetgid,
+    PerlProcGetegid,
+    PerlProcGetlogin,
+    PerlProcKill,
+    PerlProcKillpg,
+    PerlProcPauseProc,
+    PerlProcPopen,
+    PerlProcPclose,
+    PerlProcPipe,
+    PerlProcSetuid,
+    PerlProcSetgid,
+    PerlProcSleep,
+    PerlProcTimes,
+    PerlProcWait,
+    PerlProcWaitpid,
+    PerlProcSignal,
+    PerlProcFork,
+    PerlProcGetpid,
+    PerlProcDynaLoader,
+    PerlProcGetOSError,
+    PerlProcSpawnvp,
+    PerlProcLastHost,
+    PerlProcPopenList,
+    PerlProcGetTimeOfDay
 };
 
-class CPerlHost
+
+/*
+ * CPerlHost
+ */
+
+CPerlHost::CPerlHost(void)
 {
-public:
-    CPerlHost() { pPerl = NULL; };
-    inline BOOL PerlCreate(void)
-    {
-	try
-	{
-	    pPerl = perl_alloc(&perlMem, &perlEnv, &perlStdIO, &perlLIO,
-			       &perlDir, &perlSock, &perlProc);
-	    if(pPerl != NULL)
-	    {
-		try
-		{
-		    pPerl->perl_construct();
-		}
-		catch(...)
-		{
-		    win32_fprintf(stderr, "%s\n",
-				  "Error: Unable to construct data structures");
-		    pPerl->perl_free();
-		    pPerl = NULL;
-		}
-	    }
+    /* Construct a host from scratch */
+    InterlockedIncrement(&num_hosts);
+    m_pvDir = new VDir();
+    m_pVMem = new VMem();
+    m_pVMemShared = new VMem();
+    m_pVMemParse =  new VMem();
+
+    m_pvDir->Init(NULL, m_pVMem);
+
+    m_dwEnvCount = 0;
+    m_lppEnvList = NULL;
+    m_bTopLevel = TRUE;
+
+    CopyMemory(&m_hostperlMem, &perlMem, sizeof(perlMem));
+    CopyMemory(&m_hostperlMemShared, &perlMemShared, sizeof(perlMemShared));
+    CopyMemory(&m_hostperlMemParse, &perlMemParse, sizeof(perlMemParse));
+    CopyMemory(&m_hostperlEnv, &perlEnv, sizeof(perlEnv));
+    CopyMemory(&m_hostperlStdIO, &perlStdIO, sizeof(perlStdIO));
+    CopyMemory(&m_hostperlLIO, &perlLIO, sizeof(perlLIO));
+    CopyMemory(&m_hostperlDir, &perlDir, sizeof(perlDir));
+    CopyMemory(&m_hostperlSock, &perlSock, sizeof(perlSock));
+    CopyMemory(&m_hostperlProc, &perlProc, sizeof(perlProc));
+
+    m_pHostperlMem	    = &m_hostperlMem;
+    m_pHostperlMemShared    = &m_hostperlMemShared;
+    m_pHostperlMemParse	    = &m_hostperlMemParse;
+    m_pHostperlEnv	    = &m_hostperlEnv;
+    m_pHostperlStdIO	    = &m_hostperlStdIO;
+    m_pHostperlLIO	    = &m_hostperlLIO;
+    m_pHostperlDir	    = &m_hostperlDir;
+    m_pHostperlSock	    = &m_hostperlSock;
+    m_pHostperlProc	    = &m_hostperlProc;
+}
+
+#define SETUPEXCHANGE(xptr, iptr, table) \
+    STMT_START {				\
+	if (xptr) {				\
+	    iptr = *xptr;			\
+	    *xptr = &table;			\
+	}					\
+	else {					\
+	    iptr = &table;			\
+	}					\
+    } STMT_END
+
+CPerlHost::CPerlHost(struct IPerlMem** ppMem, struct IPerlMem** ppMemShared,
+		 struct IPerlMem** ppMemParse, struct IPerlEnv** ppEnv,
+		 struct IPerlStdIO** ppStdIO, struct IPerlLIO** ppLIO,
+		 struct IPerlDir** ppDir, struct IPerlSock** ppSock,
+		 struct IPerlProc** ppProc)
+{
+    InterlockedIncrement(&num_hosts);
+    m_pvDir = new VDir(0);
+    m_pVMem = new VMem();
+    m_pVMemShared = new VMem();
+    m_pVMemParse =  new VMem();
+
+    m_pvDir->Init(NULL, m_pVMem);
+
+    m_dwEnvCount = 0;
+    m_lppEnvList = NULL;
+    m_bTopLevel = FALSE;
+
+    CopyMemory(&m_hostperlMem, &perlMem, sizeof(perlMem));
+    CopyMemory(&m_hostperlMemShared, &perlMemShared, sizeof(perlMemShared));
+    CopyMemory(&m_hostperlMemParse, &perlMemParse, sizeof(perlMemParse));
+    CopyMemory(&m_hostperlEnv, &perlEnv, sizeof(perlEnv));
+    CopyMemory(&m_hostperlStdIO, &perlStdIO, sizeof(perlStdIO));
+    CopyMemory(&m_hostperlLIO, &perlLIO, sizeof(perlLIO));
+    CopyMemory(&m_hostperlDir, &perlDir, sizeof(perlDir));
+    CopyMemory(&m_hostperlSock, &perlSock, sizeof(perlSock));
+    CopyMemory(&m_hostperlProc, &perlProc, sizeof(perlProc));
+
+    SETUPEXCHANGE(ppMem,	m_pHostperlMem,		m_hostperlMem);
+    SETUPEXCHANGE(ppMemShared,	m_pHostperlMemShared,	m_hostperlMemShared);
+    SETUPEXCHANGE(ppMemParse,	m_pHostperlMemParse,	m_hostperlMemParse);
+    SETUPEXCHANGE(ppEnv,	m_pHostperlEnv,		m_hostperlEnv);
+    SETUPEXCHANGE(ppStdIO,	m_pHostperlStdIO,	m_hostperlStdIO);
+    SETUPEXCHANGE(ppLIO,	m_pHostperlLIO,		m_hostperlLIO);
+    SETUPEXCHANGE(ppDir,	m_pHostperlDir,		m_hostperlDir);
+    SETUPEXCHANGE(ppSock,	m_pHostperlSock,	m_hostperlSock);
+    SETUPEXCHANGE(ppProc,	m_pHostperlProc,	m_hostperlProc);
+}
+#undef SETUPEXCHANGE
+
+CPerlHost::CPerlHost(CPerlHost& host)
+{
+    /* Construct a host from another host */
+    InterlockedIncrement(&num_hosts);
+    m_pVMem = new VMem();
+    m_pVMemShared = host.GetMemShared();
+    m_pVMemParse =  host.GetMemParse();
+
+    /* duplicate directory info */
+    m_pvDir = new VDir(0);
+    m_pvDir->Init(host.GetDir(), m_pVMem);
+
+    CopyMemory(&m_hostperlMem, &perlMem, sizeof(perlMem));
+    CopyMemory(&m_hostperlMemShared, &perlMemShared, sizeof(perlMemShared));
+    CopyMemory(&m_hostperlMemParse, &perlMemParse, sizeof(perlMemParse));
+    CopyMemory(&m_hostperlEnv, &perlEnv, sizeof(perlEnv));
+    CopyMemory(&m_hostperlStdIO, &perlStdIO, sizeof(perlStdIO));
+    CopyMemory(&m_hostperlLIO, &perlLIO, sizeof(perlLIO));
+    CopyMemory(&m_hostperlDir, &perlDir, sizeof(perlDir));
+    CopyMemory(&m_hostperlSock, &perlSock, sizeof(perlSock));
+    CopyMemory(&m_hostperlProc, &perlProc, sizeof(perlProc));
+    m_pHostperlMem	    = &m_hostperlMem;
+    m_pHostperlMemShared    = &m_hostperlMemShared;
+    m_pHostperlMemParse	    = &m_hostperlMemParse;
+    m_pHostperlEnv	    = &m_hostperlEnv;
+    m_pHostperlStdIO	    = &m_hostperlStdIO;
+    m_pHostperlLIO	    = &m_hostperlLIO;
+    m_pHostperlDir	    = &m_hostperlDir;
+    m_pHostperlSock	    = &m_hostperlSock;
+    m_pHostperlProc	    = &m_hostperlProc;
+
+    m_dwEnvCount = 0;
+    m_lppEnvList = NULL;
+    m_bTopLevel = FALSE;
+
+    /* duplicate environment info */
+    LPSTR lpPtr;
+    DWORD dwIndex = 0;
+    while(lpPtr = host.GetIndex(dwIndex))
+	Add(lpPtr);
+}
+
+CPerlHost::~CPerlHost(void)
+{
+    Reset();
+    InterlockedDecrement(&num_hosts);
+    delete m_pvDir;
+    m_pVMemParse->Release();
+    m_pVMemShared->Release();
+    m_pVMem->Release();
+}
+
+LPSTR
+CPerlHost::Find(LPCSTR lpStr)
+{
+    LPSTR lpPtr;
+    LPSTR* lppPtr = Lookup(lpStr);
+    if(lppPtr != NULL) {
+	for(lpPtr = *lppPtr; *lpPtr != '\0' && *lpPtr != '='; ++lpPtr)
+	    ;
+
+	if(*lpPtr == '=')
+	    ++lpPtr;
+
+	return lpPtr;
+    }
+    return NULL;
+}
+
+int
+lookup(const void *arg1, const void *arg2)
+{   // Compare strings
+    char*ptr1, *ptr2;
+    char c1,c2;
+
+    ptr1 = *(char**)arg1;
+    ptr2 = *(char**)arg2;
+    for(;;) {
+	c1 = *ptr1++;
+	c2 = *ptr2++;
+	if(c1 == '\0' || c1 == '=') {
+	    if(c2 == '\0' || c2 == '=')
+		break;
+
+	    return -1; // string 1 < string 2
 	}
-	catch(...)
-	{
-	    win32_fprintf(stderr, "%s\n", "Error: Unable to allocate memory");
-	    pPerl = NULL;
+	else if(c2 == '\0' || c2 == '=')
+	    return 1; // string 1 > string 2
+	else if(c1 != c2) {
+	    c1 = toupper(c1);
+	    c2 = toupper(c2);
+	    if(c1 != c2) {
+		if(c1 < c2)
+		    return -1; // string 1 < string 2
+
+		return 1; // string 1 > string 2
+	    }
 	}
-	return (pPerl != NULL);
-    };
-    inline int PerlParse(void (*xs_init)(CPerlObj*), int argc, char** argv, char** env)
-    {
-	int retVal;
-	try
-	{
-	    retVal = pPerl->perl_parse(xs_init, argc, argv, env);
+    }
+    return 0;
+}
+
+LPSTR*
+CPerlHost::Lookup(LPCSTR lpStr)
+{
+#ifdef UNDER_CE
+    if (!m_lppEnvList || !m_dwEnvCount)
+	return NULL;
+#endif
+    if (!lpStr)
+	return NULL;
+    return (LPSTR*)bsearch(&lpStr, m_lppEnvList, m_dwEnvCount, sizeof(LPSTR), lookup);
+}
+
+int
+compare(const void *arg1, const void *arg2)
+{   // Compare strings
+    char*ptr1, *ptr2;
+    char c1,c2;
+
+    ptr1 = *(char**)arg1;
+    ptr2 = *(char**)arg2;
+    for(;;) {
+	c1 = *ptr1++;
+	c2 = *ptr2++;
+	if(c1 == '\0' || c1 == '=') {
+	    if(c1 == c2)
+		break;
+
+	    return -1; // string 1 < string 2
 	}
-	catch(int x)
-	{
-	    // this is where exit() should arrive
-	    retVal = x;
+	else if(c2 == '\0' || c2 == '=')
+	    return 1; // string 1 > string 2
+	else if(c1 != c2) {
+	    c1 = toupper(c1);
+	    c2 = toupper(c2);
+	    if(c1 != c2) {
+		if(c1 < c2)
+		    return -1; // string 1 < string 2
+
+		return 1; // string 1 > string 2
+	    }
 	}
-	catch(...)
-	{
-	    win32_fprintf(stderr, "Error: Parse exception\n");
-	    retVal = -1;
+    }
+    return 0;
+}
+
+void
+CPerlHost::Add(LPCSTR lpStr)
+{
+    dTHX;
+    char szBuffer[1024];
+    LPSTR *lpPtr;
+    int index, length = strlen(lpStr)+1;
+
+    for(index = 0; lpStr[index] != '\0' && lpStr[index] != '='; ++index)
+	szBuffer[index] = lpStr[index];
+
+    szBuffer[index] = '\0';
+
+    // replacing ?
+    lpPtr = Lookup(szBuffer);
+    if (lpPtr != NULL) {
+	// must allocate things via host memory allocation functions 
+	// rather than perl's Renew() et al, as the perl interpreter
+	// may either not be initialized enough when we allocate these,
+	// or may already be dead when we go to free these
+	*lpPtr = (char*)Realloc(*lpPtr, length * sizeof(char));
+	strcpy(*lpPtr, lpStr);
+    }
+    else {
+	m_lppEnvList = (LPSTR*)Realloc(m_lppEnvList, (m_dwEnvCount+1) * sizeof(LPSTR));
+	if (m_lppEnvList) {
+	    m_lppEnvList[m_dwEnvCount] = (char*)Malloc(length * sizeof(char));
+	    if (m_lppEnvList[m_dwEnvCount] != NULL) {
+		strcpy(m_lppEnvList[m_dwEnvCount], lpStr);
+		++m_dwEnvCount;
+		qsort(m_lppEnvList, m_dwEnvCount, sizeof(LPSTR), compare);
+	    }
 	}
-	*win32_errno() = 0;
-	return retVal;
-    };
-    inline int PerlRun(void)
-    {
-	int retVal;
-	try
-	{
-	    retVal = pPerl->perl_run();
+    }
+}
+
+DWORD
+CPerlHost::CalculateEnvironmentSpace(void)
+{
+    DWORD index;
+    DWORD dwSize = 0;
+    for(index = 0; index < m_dwEnvCount; ++index)
+	dwSize += strlen(m_lppEnvList[index]) + 1;
+
+    return dwSize;
+}
+
+void
+CPerlHost::FreeLocalEnvironmentStrings(LPSTR lpStr)
+{
+    dTHX;
+    Safefree(lpStr);
+}
+
+char*
+CPerlHost::GetChildDir(void)
+{
+    dTHX;
+    char* ptr;
+    size_t length;
+
+    Newx(ptr, MAX_PATH+1, char);
+    m_pvDir->GetCurrentDirectoryA(MAX_PATH+1, ptr);
+    length = strlen(ptr);
+    if (length > 3) {
+        if ((ptr[length-1] == '\\') || (ptr[length-1] == '/'))
+            ptr[length-1] = 0;
+    }
+    return ptr;
+}
+
+void
+CPerlHost::FreeChildDir(char* pStr)
+{
+    dTHX;
+    Safefree(pStr);
+}
+
+LPSTR
+CPerlHost::CreateLocalEnvironmentStrings(VDir &vDir)
+{
+    dTHX;
+    LPSTR lpStr, lpPtr, lpEnvPtr, lpTmp, lpLocalEnv, lpAllocPtr;
+    DWORD dwSize, dwEnvIndex;
+    int nLength, compVal;
+
+    // get the process environment strings
+    lpAllocPtr = lpTmp = (LPSTR)GetEnvironmentStrings();
+
+    // step over current directory stuff
+    while(*lpTmp == '=')
+	lpTmp += strlen(lpTmp) + 1;
+
+    // save the start of the environment strings
+    lpEnvPtr = lpTmp;
+    for(dwSize = 1; *lpTmp != '\0'; lpTmp += strlen(lpTmp) + 1) {
+	// calculate the size of the environment strings
+	dwSize += strlen(lpTmp) + 1;
+    }
+
+    // add the size of current directories
+    dwSize += vDir.CalculateEnvironmentSpace();
+
+    // add the additional space used by changes made to the environment
+    dwSize += CalculateEnvironmentSpace();
+
+    Newx(lpStr, dwSize, char);
+    lpPtr = lpStr;
+    if(lpStr != NULL) {
+	// build the local environment
+	lpStr = vDir.BuildEnvironmentSpace(lpStr);
+
+	dwEnvIndex = 0;
+	lpLocalEnv = GetIndex(dwEnvIndex);
+	while(*lpEnvPtr != '\0') {
+	    if(!lpLocalEnv) {
+		// all environment overrides have been added
+		// so copy string into place
+		strcpy(lpStr, lpEnvPtr);
+		nLength = strlen(lpEnvPtr) + 1;
+		lpStr += nLength;
+		lpEnvPtr += nLength;
+	    }
+	    else {
+		// determine which string to copy next
+		compVal = compare(&lpEnvPtr, &lpLocalEnv);
+		if(compVal < 0) {
+		    strcpy(lpStr, lpEnvPtr);
+		    nLength = strlen(lpEnvPtr) + 1;
+		    lpStr += nLength;
+		    lpEnvPtr += nLength;
+		}
+		else {
+		    char *ptr = strchr(lpLocalEnv, '=');
+		    if(ptr && ptr[1]) {
+			strcpy(lpStr, lpLocalEnv);
+			lpStr += strlen(lpLocalEnv) + 1;
+		    }
+		    lpLocalEnv = GetIndex(dwEnvIndex);
+		    if(compVal == 0) {
+			// this string was replaced
+			lpEnvPtr += strlen(lpEnvPtr) + 1;
+		    }
+		}
+	    }
 	}
-	catch(int x)
-	{
-	    // this is where exit() should arrive
-	    retVal = x;
+
+	while(lpLocalEnv) {
+	    // still have environment overrides to add
+	    // so copy the strings into place if not an override
+	    char *ptr = strchr(lpLocalEnv, '=');
+	    if(ptr && ptr[1]) {
+		strcpy(lpStr, lpLocalEnv);
+		lpStr += strlen(lpLocalEnv) + 1;
+	    }
+	    lpLocalEnv = GetIndex(dwEnvIndex);
 	}
-	catch(...)
-	{
-	    win32_fprintf(stderr, "Error: Runtime exception\n");
-	    retVal = -1;
+
+	// add final NULL
+	*lpStr = '\0';
+    }
+
+    // release the process environment strings
+    FreeEnvironmentStrings(lpAllocPtr);
+
+    return lpPtr;
+}
+
+void
+CPerlHost::Reset(void)
+{
+    dTHX;
+    if(m_lppEnvList != NULL) {
+	for(DWORD index = 0; index < m_dwEnvCount; ++index) {
+	    Free(m_lppEnvList[index]);
+	    m_lppEnvList[index] = NULL;
 	}
-	return retVal;
-    };
-    inline void PerlDestroy(void)
-    {
-	try
-	{
-	    pPerl->perl_destruct();
-	    pPerl->perl_free();
+    }
+    m_dwEnvCount = 0;
+    Free(m_lppEnvList);
+    m_lppEnvList = NULL;
+}
+
+void
+CPerlHost::Clearenv(void)
+{
+    dTHX;
+    char ch;
+    LPSTR lpPtr, lpStr, lpEnvPtr;
+    if (m_lppEnvList != NULL) {
+	/* set every entry to an empty string */
+	for(DWORD index = 0; index < m_dwEnvCount; ++index) {
+	    char* ptr = strchr(m_lppEnvList[index], '=');
+	    if(ptr) {
+		*++ptr = 0;
+	    }
 	}
-	catch(...)
-	{
+    }
+
+    /* get the process environment strings */
+    lpStr = lpEnvPtr = (LPSTR)GetEnvironmentStrings();
+
+    /* step over current directory stuff */
+    while(*lpStr == '=')
+	lpStr += strlen(lpStr) + 1;
+
+    while(*lpStr) {
+	lpPtr = strchr(lpStr, '=');
+	if(lpPtr) {
+	    ch = *++lpPtr;
+	    *lpPtr = 0;
+	    Add(lpStr);
+	    if (m_bTopLevel)
+		(void)win32_putenv(lpStr);
+	    *lpPtr = ch;
 	}
-    };
+	lpStr += strlen(lpStr) + 1;
+    }
 
-protected:
-    CPerlDir	perlDir;
-    CPerlEnv	perlEnv;
-    CPerlLIO	perlLIO;
-    CPerlMem	perlMem;
-    CPerlProc	perlProc;
-    CPerlSock	perlSock;
-    CPerlStdIO	perlStdIO;
-};
+    FreeEnvironmentStrings(lpEnvPtr);
+}
+
+
+char*
+CPerlHost::Getenv(const char *varname)
+{
+    dTHX;
+    if (!m_bTopLevel) {
+	char *pEnv = Find(varname);
+	if (pEnv && *pEnv)
+	    return pEnv;
+    }
+    return win32_getenv(varname);
+}
+
+int
+CPerlHost::Putenv(const char *envstring)
+{
+    dTHX;
+    Add(envstring);
+    if (m_bTopLevel)
+	return win32_putenv(envstring);
+
+    return 0;
+}
+
+int
+CPerlHost::Chdir(const char *dirname)
+{
+    dTHX;
+    int ret;
+    if (!dirname) {
+	errno = ENOENT;
+	return -1;
+    }
+    ret = m_pvDir->SetCurrentDirectoryA((char*)dirname);
+    if(ret < 0) {
+	errno = ENOENT;
+    }
+    return ret;
+}
+
+#endif /* ___PerlHost_H___ */