more complete pseudo-fork() support for Windows

p4raw-id: //depot/perl@4602

1 files changed, 150 insertions, 1352 deletions

diff --git a/win32/perllib.c b/win32/perllib.c
index 9cd542b9df..717b902e10 100644
--- a/win32/perllib.c
+++ b/win32/perllib.c
@@ -15,7 +15,7 @@
 #ifdef PERL_IMPLICIT_SYS
 #include "win32iop.h"
 #include <fcntl.h>
-#endif
+#endif /* PERL_IMPLICIT_SYS */
 
 
 /* Register any extra external extensions */
@@ -35,1284 +35,13 @@ xs_init(pTHXo)
 }
 
 #ifdef PERL_IMPLICIT_SYS
-/* IPerlMem */
-void*
-PerlMemMalloc(struct IPerlMem *I, size_t size)
-{
-    return win32_malloc(size);
-}
-void*
-PerlMemRealloc(struct IPerlMem *I, void* ptr, size_t size)
-{
-    return win32_realloc(ptr, size);
-}
-void
-PerlMemFree(struct IPerlMem *I, void* ptr)
-{
-    win32_free(ptr);
-}
-
-struct IPerlMem perlMem =
-{
-    PerlMemMalloc,
-    PerlMemRealloc,
-    PerlMemFree,
-};
-
-
-/* IPerlEnv */
-extern char *		g_win32_get_privlib(char *pl);
-extern char *		g_win32_get_sitelib(char *pl);
-
-
-char*
-PerlEnvGetenv(struct IPerlEnv *I, const char *varname)
-{
-    return win32_getenv(varname);
-};
-int
-PerlEnvPutenv(struct IPerlEnv *I, const char *envstring)
-{
-    return win32_putenv(envstring);
-};
-
-char*
-PerlEnvGetenv_len(struct IPerlEnv *I, const char* varname, unsigned long* len)
-{
-    char *e = win32_getenv(varname);
-    if (e)
-	*len = strlen(e);
-    return e;
-}
-
-int
-PerlEnvUname(struct IPerlEnv *I, struct utsname *name)
-{
-    return win32_uname(name);
-}
-
-void
-PerlEnvClearenv(struct IPerlEnv *I)
-{
-    dTHXo;
-    char *envv = GetEnvironmentStrings();
-    char *cur = envv;
-    STRLEN len;
-    while (*cur) {
-	char *end = strchr(cur,'=');
-	if (end && end != cur) {
-	    *end = '\0';
-	    my_setenv(cur,Nullch);
-	    *end = '=';
-	    cur = end + strlen(end+1)+2;
-	}
-	else if ((len = strlen(cur)))
-	    cur += len+1;
-    }
-    FreeEnvironmentStrings(envv);
-}
-
-void*
-PerlEnvGetChildEnv(struct IPerlEnv *I)
-{
-    return NULL;
-}
-
-void
-PerlEnvFreeChildEnv(struct IPerlEnv *I, void* env)
-{
-}
-
-char*
-PerlEnvGetChildDir(struct IPerlEnv *I)
-{
-    return NULL;
-}
-
-void
-PerlEnvFreeChildDir(struct IPerlEnv *I, char* dir)
-{
-}
-
-unsigned long
-PerlEnvOsId(struct IPerlEnv *I)
-{
-    return win32_os_id();
-}
-
-char*
-PerlEnvLibPath(struct IPerlEnv *I, char *pl)
-{
-    return g_win32_get_privlib(pl);
-}
-
-char*
-PerlEnvSiteLibPath(struct IPerlEnv *I, char *pl)
-{
-    return g_win32_get_sitelib(pl);
-}
-
-struct IPerlEnv perlEnv = 
-{
-    PerlEnvGetenv,
-    PerlEnvPutenv,
-    PerlEnvGetenv_len,
-    PerlEnvUname,
-    PerlEnvClearenv,
-    PerlEnvGetChildEnv,
-    PerlEnvFreeChildEnv,
-    PerlEnvGetChildDir,
-    PerlEnvFreeChildDir,
-    PerlEnvOsId,
-    PerlEnvLibPath,
-    PerlEnvSiteLibPath,
-};
-
-
-/* PerlStdIO */
-PerlIO*
-PerlStdIOStdin(struct IPerlStdIO *I)
-{
-    return (PerlIO*)win32_stdin();
-}
-
-PerlIO*
-PerlStdIOStdout(struct IPerlStdIO *I)
-{
-    return (PerlIO*)win32_stdout();
-}
-
-PerlIO*
-PerlStdIOStderr(struct IPerlStdIO *I)
-{
-    return (PerlIO*)win32_stderr();
-}
-
-PerlIO*
-PerlStdIOOpen(struct IPerlStdIO *I, const char *path, const char *mode)
-{
-    return (PerlIO*)win32_fopen(path, mode);
-}
-
-int
-PerlStdIOClose(struct IPerlStdIO *I, PerlIO* pf)
-{
-    return win32_fclose(((FILE*)pf));
-}
-
-int
-PerlStdIOEof(struct IPerlStdIO *I, PerlIO* pf)
-{
-    return win32_feof((FILE*)pf);
-}
-
-int
-PerlStdIOError(struct IPerlStdIO *I, PerlIO* pf)
-{
-    return win32_ferror((FILE*)pf);
-}
-
-void
-PerlStdIOClearerr(struct IPerlStdIO *I, PerlIO* pf)
-{
-    win32_clearerr((FILE*)pf);
-}
-
-int
-PerlStdIOGetc(struct IPerlStdIO *I, PerlIO* pf)
-{
-    return win32_getc((FILE*)pf);
-}
-
-char*
-PerlStdIOGetBase(struct IPerlStdIO *I, PerlIO* pf)
-{
-#ifdef FILE_base
-    FILE *f = (FILE*)pf;
-    return FILE_base(f);
-#else
-    return Nullch;
-#endif
-}
-
-int
-PerlStdIOGetBufsiz(struct IPerlStdIO *I, PerlIO* pf)
-{
-#ifdef FILE_bufsiz
-    FILE *f = (FILE*)pf;
-    return FILE_bufsiz(f);
-#else
-    return (-1);
-#endif
-}
-
-int
-PerlStdIOGetCnt(struct IPerlStdIO *I, PerlIO* pf)
-{
-#ifdef USE_STDIO_PTR
-    FILE *f = (FILE*)pf;
-    return FILE_cnt(f);
-#else
-    return (-1);
-#endif
-}
-
-char*
-PerlStdIOGetPtr(struct IPerlStdIO *I, PerlIO* pf)
-{
-#ifdef USE_STDIO_PTR
-    FILE *f = (FILE*)pf;
-    return FILE_ptr(f);
-#else
-    return Nullch;
-#endif
-}
-
-char*
-PerlStdIOGets(struct IPerlStdIO *I, PerlIO* pf, char* s, int n)
-{
-    return win32_fgets(s, n, (FILE*)pf);
-}
-
-int
-PerlStdIOPutc(struct IPerlStdIO *I, PerlIO* pf, int c)
-{
-    return win32_fputc(c, (FILE*)pf);
-}
-
-int
-PerlStdIOPuts(struct IPerlStdIO *I, PerlIO* pf, const char *s)
-{
-    return win32_fputs(s, (FILE*)pf);
-}
-
-int
-PerlStdIOFlush(struct IPerlStdIO *I, PerlIO* pf)
-{
-    return win32_fflush((FILE*)pf);
-}
-
-int
-PerlStdIOUngetc(struct IPerlStdIO *I, PerlIO* pf,int c)
-{
-    return win32_ungetc(c, (FILE*)pf);
-}
-
-int
-PerlStdIOFileno(struct IPerlStdIO *I, PerlIO* pf)
-{
-    return win32_fileno((FILE*)pf);
-}
-
-PerlIO*
-PerlStdIOFdopen(struct IPerlStdIO *I, int fd, const char *mode)
-{
-    return (PerlIO*)win32_fdopen(fd, mode);
-}
-
-PerlIO*
-PerlStdIOReopen(struct IPerlStdIO *I, const char*path, const char*mode, PerlIO* pf)
-{
-    return (PerlIO*)win32_freopen(path, mode, (FILE*)pf);
-}
-
-SSize_t
-PerlStdIORead(struct IPerlStdIO *I, PerlIO* pf, void *buffer, Size_t size)
-{
-    return win32_fread(buffer, 1, size, (FILE*)pf);
-}
-
-SSize_t
-PerlStdIOWrite(struct IPerlStdIO *I, PerlIO* pf, const void *buffer, Size_t size)
-{
-    return win32_fwrite(buffer, 1, size, (FILE*)pf);
-}
-
-void
-PerlStdIOSetBuf(struct IPerlStdIO *I, PerlIO* pf, char* buffer)
-{
-    win32_setbuf((FILE*)pf, buffer);
-}
-
-int
-PerlStdIOSetVBuf(struct IPerlStdIO *I, PerlIO* pf, char* buffer, int type, Size_t size)
-{
-    return win32_setvbuf((FILE*)pf, buffer, type, size);
-}
-
-void
-PerlStdIOSetCnt(struct IPerlStdIO *I, PerlIO* pf, int n)
-{
-#ifdef STDIO_CNT_LVALUE
-    FILE *f = (FILE*)pf;
-    FILE_cnt(f) = n;
-#endif
-}
-
-void
-PerlStdIOSetPtrCnt(struct IPerlStdIO *I, PerlIO* pf, char * ptr, int n)
-{
-#ifdef STDIO_PTR_LVALUE
-    FILE *f = (FILE*)pf;
-    FILE_ptr(f) = ptr;
-    FILE_cnt(f) = n;
-#endif
-}
-
-void
-PerlStdIOSetlinebuf(struct IPerlStdIO *I, PerlIO* pf)
-{
-    win32_setvbuf((FILE*)pf, NULL, _IOLBF, 0);
-}
-
-int
-PerlStdIOPrintf(struct IPerlStdIO *I, PerlIO* pf, const char *format,...)
-{
-    va_list(arglist);
-    va_start(arglist, format);
-    return win32_vfprintf((FILE*)pf, format, arglist);
-}
-
-int
-PerlStdIOVprintf(struct IPerlStdIO *I, PerlIO* pf, const char *format, va_list arglist)
-{
-    return win32_vfprintf((FILE*)pf, format, arglist);
-}
-
-long
-PerlStdIOTell(struct IPerlStdIO *I, PerlIO* pf)
-{
-    return win32_ftell((FILE*)pf);
-}
-
-int
-PerlStdIOSeek(struct IPerlStdIO *I, PerlIO* pf, off_t offset, int origin)
-{
-    return win32_fseek((FILE*)pf, offset, origin);
-}
-
-void
-PerlStdIORewind(struct IPerlStdIO *I, PerlIO* pf)
-{
-    win32_rewind((FILE*)pf);
-}
-
-PerlIO*
-PerlStdIOTmpfile(struct IPerlStdIO *I)
-{
-    return (PerlIO*)win32_tmpfile();
-}
-
-int
-PerlStdIOGetpos(struct IPerlStdIO *I, PerlIO* pf, Fpos_t *p)
-{
-    return win32_fgetpos((FILE*)pf, p);
-}
-
-int
-PerlStdIOSetpos(struct IPerlStdIO *I, PerlIO* pf, const Fpos_t *p)
-{
-    return win32_fsetpos((FILE*)pf, p);
-}
-void
-PerlStdIOInit(struct IPerlStdIO *I)
-{
-}
-
-void
-PerlStdIOInitOSExtras(struct IPerlStdIO *I)
-{
-    Perl_init_os_extras();
-}
-
-int
-PerlStdIOOpenOSfhandle(struct IPerlStdIO *I, long osfhandle, int flags)
-{
-    return win32_open_osfhandle(osfhandle, flags);
-}
-
-int
-PerlStdIOGetOSfhandle(struct IPerlStdIO *I, int filenum)
-{
-    return win32_get_osfhandle(filenum);
-}
-
-
-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,
-    PerlStdIOSetPtrCnt,
-    PerlStdIOSetlinebuf,
-    PerlStdIOPrintf,
-    PerlStdIOVprintf,
-    PerlStdIOTell,
-    PerlStdIOSeek,
-    PerlStdIORewind,
-    PerlStdIOTmpfile,
-    PerlStdIOGetpos,
-    PerlStdIOSetpos,
-    PerlStdIOInit,
-    PerlStdIOInitOSExtras,
-};
-
-
-/* IPerlLIO */
-int
-PerlLIOAccess(struct IPerlLIO *I, const char *path, int mode)
-{
-    return access(path, mode);
-}
-
-int
-PerlLIOChmod(struct IPerlLIO *I, const char *filename, int pmode)
-{
-    return chmod(filename, pmode);
-}
-
-int
-PerlLIOChown(struct IPerlLIO *I, const char *filename, uid_t owner, gid_t group)
-{
-    return chown(filename, owner, group);
-}
-
-int
-PerlLIOChsize(struct IPerlLIO *I, int handle, long size)
-{
-    return chsize(handle, size);
-}
-
-int
-PerlLIOClose(struct IPerlLIO *I, int handle)
-{
-    return win32_close(handle);
-}
-
-int
-PerlLIODup(struct IPerlLIO *I, int handle)
-{
-    return win32_dup(handle);
-}
-
-int
-PerlLIODup2(struct IPerlLIO *I, int handle1, int handle2)
-{
-    return win32_dup2(handle1, handle2);
-}
-
-int
-PerlLIOFlock(struct IPerlLIO *I, int fd, int oper)
-{
-    return win32_flock(fd, oper);
-}
-
-int
-PerlLIOFileStat(struct IPerlLIO *I, int handle, struct stat *buffer)
-{
-    return fstat(handle, buffer);
-}
-
-int
-PerlLIOIOCtl(struct IPerlLIO *I, int i, unsigned int u, char *data)
-{
-    return win32_ioctlsocket((SOCKET)i, (long)u, (u_long*)data);
-}
-
-int
-PerlLIOIsatty(struct IPerlLIO *I, int fd)
-{
-    return isatty(fd);
-}
-
-int
-PerlLIOLink(struct IPerlLIO *I, const char*oldname, const char *newname)
-{
-    return win32_link(oldname, newname);
-}
-
-long
-PerlLIOLseek(struct IPerlLIO *I, int handle, long offset, int origin)
-{
-    return win32_lseek(handle, offset, origin);
-}
-
-int
-PerlLIOLstat(struct IPerlLIO* p, const char *path, struct stat *buffer)
-{
-    return win32_stat(path, buffer);
-}
-
-char*
-PerlLIOMktemp(struct IPerlLIO *I, char *Template)
-{
-    return mktemp(Template);
-}
-
-int
-PerlLIOOpen(struct IPerlLIO *I, const char *filename, int oflag)
-{
-    return win32_open(filename, oflag);
-}
-
-int
-PerlLIOOpen3(struct IPerlLIO *I, const char *filename, int oflag, int pmode)
-{
-    int ret;
-    if(stricmp(filename, "/dev/null") == 0)
-	ret = open("NUL", oflag, pmode);
-    else
-	ret = open(filename, oflag, pmode);
-
-    return ret;
-}
-
-int
-PerlLIORead(struct IPerlLIO *I, int handle, void *buffer, unsigned int count)
-{
-    return win32_read(handle, buffer, count);
-}
-
-int
-PerlLIORename(struct IPerlLIO *I, const char *OldFileName, const char *newname)
-{
-    return win32_rename(OldFileName, newname);
-}
-
-int
-PerlLIOSetmode(struct IPerlLIO *I, int handle, int mode)
-{
-    return win32_setmode(handle, mode);
-}
-
-int
-PerlLIONameStat(struct IPerlLIO *I, const char *path, struct stat *buffer)
-{
-    return win32_stat(path, buffer);
-}
-
-char*
-PerlLIOTmpnam(struct IPerlLIO *I, char *string)
-{
-    return tmpnam(string);
-}
-
-int
-PerlLIOUmask(struct IPerlLIO *I, int pmode)
-{
-    return umask(pmode);
-}
-
-int
-PerlLIOUnlink(struct IPerlLIO *I, const char *filename)
-{
-    chmod(filename, S_IREAD | S_IWRITE);
-    return unlink(filename);
-}
-
-int
-PerlLIOUtime(struct IPerlLIO *I, char *filename, struct utimbuf *times)
-{
-    return win32_utime(filename, times);
-}
-
-int
-PerlLIOWrite(struct IPerlLIO *I, 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,
-};
-
-/* IPerlDIR */
-int
-PerlDirMakedir(struct IPerlDir *I, const char *dirname, int mode)
-{
-    return win32_mkdir(dirname, mode);
-}
-
-int
-PerlDirChdir(struct IPerlDir *I, const char *dirname)
-{
-    return win32_chdir(dirname);
-}
-
-int
-PerlDirRmdir(struct IPerlDir *I, const char *dirname)
-{
-    return win32_rmdir(dirname);
-}
-
-int
-PerlDirClose(struct IPerlDir *I, DIR *dirp)
-{
-    return win32_closedir(dirp);
-}
-
-DIR*
-PerlDirOpen(struct IPerlDir *I, char *filename)
-{
-    return win32_opendir(filename);
-}
-
-struct direct *
-PerlDirRead(struct IPerlDir *I, DIR *dirp)
-{
-    return win32_readdir(dirp);
-}
-
-void
-PerlDirRewind(struct IPerlDir *I, DIR *dirp)
-{
-    win32_rewinddir(dirp);
-}
-
-void
-PerlDirSeek(struct IPerlDir *I, DIR *dirp, long loc)
-{
-    win32_seekdir(dirp, loc);
-}
-
-long
-PerlDirTell(struct IPerlDir *I, DIR *dirp)
-{
-    return win32_telldir(dirp);
-}
-
-struct IPerlDir perlDir =
-{
-    PerlDirMakedir,
-    PerlDirChdir,
-    PerlDirRmdir,
-    PerlDirClose,
-    PerlDirOpen,
-    PerlDirRead,
-    PerlDirRewind,
-    PerlDirSeek,
-    PerlDirTell,
-};
-
-
-/* IPerlSock */
-u_long
-PerlSockHtonl(struct IPerlSock *I, u_long hostlong)
-{
-    return win32_htonl(hostlong);
-}
-
-u_short
-PerlSockHtons(struct IPerlSock *I, u_short hostshort)
-{
-    return win32_htons(hostshort);
-}
-
-u_long
-PerlSockNtohl(struct IPerlSock *I, u_long netlong)
-{
-    return win32_ntohl(netlong);
-}
-
-u_short
-PerlSockNtohs(struct IPerlSock *I, u_short netshort)
-{
-    return win32_ntohs(netshort);
-}
-
-SOCKET PerlSockAccept(struct IPerlSock *I, SOCKET s, struct sockaddr* addr, int* addrlen)
-{
-    return win32_accept(s, addr, addrlen);
-}
-
-int
-PerlSockBind(struct IPerlSock *I, SOCKET s, const struct sockaddr* name, int namelen)
-{
-    return win32_bind(s, name, namelen);
-}
-
-int
-PerlSockConnect(struct IPerlSock *I, SOCKET s, const struct sockaddr* name, int namelen)
-{
-    return win32_connect(s, name, namelen);
-}
-
-void
-PerlSockEndhostent(struct IPerlSock *I)
-{
-    win32_endhostent();
-}
-
-void
-PerlSockEndnetent(struct IPerlSock *I)
-{
-    win32_endnetent();
-}
-
-void
-PerlSockEndprotoent(struct IPerlSock *I)
-{
-    win32_endprotoent();
-}
-
-void
-PerlSockEndservent(struct IPerlSock *I)
-{
-    win32_endservent();
-}
-
-struct hostent*
-PerlSockGethostbyaddr(struct IPerlSock *I, const char* addr, int len, int type)
-{
-    return win32_gethostbyaddr(addr, len, type);
-}
-
-struct hostent*
-PerlSockGethostbyname(struct IPerlSock *I, const char* name)
-{
-    return win32_gethostbyname(name);
-}
-
-struct hostent*
-PerlSockGethostent(struct IPerlSock *I)
-{
-    dTHXo;
-    Perl_croak(aTHX_ "gethostent not implemented!\n");
-    return NULL;
-}
-
-int
-PerlSockGethostname(struct IPerlSock *I, char* name, int namelen)
-{
-    return win32_gethostname(name, namelen);
-}
-
-struct netent *
-PerlSockGetnetbyaddr(struct IPerlSock *I, long net, int type)
-{
-    return win32_getnetbyaddr(net, type);
-}
-
-struct netent *
-PerlSockGetnetbyname(struct IPerlSock *I, const char *name)
-{
-    return win32_getnetbyname((char*)name);
-}
-
-struct netent *
-PerlSockGetnetent(struct IPerlSock *I)
-{
-    return win32_getnetent();
-}
-
-int PerlSockGetpeername(struct IPerlSock *I, SOCKET s, struct sockaddr* name, int* namelen)
-{
-    return win32_getpeername(s, name, namelen);
-}
-
-struct protoent*
-PerlSockGetprotobyname(struct IPerlSock *I, const char* name)
-{
-    return win32_getprotobyname(name);
-}
-
-struct protoent*
-PerlSockGetprotobynumber(struct IPerlSock *I, int number)
-{
-    return win32_getprotobynumber(number);
-}
-
-struct protoent*
-PerlSockGetprotoent(struct IPerlSock *I)
-{
-    return win32_getprotoent();
-}
-
-struct servent*
-PerlSockGetservbyname(struct IPerlSock *I, const char* name, const char* proto)
-{
-    return win32_getservbyname(name, proto);
-}
-
-struct servent*
-PerlSockGetservbyport(struct IPerlSock *I, int port, const char* proto)
-{
-    return win32_getservbyport(port, proto);
-}
-
-struct servent*
-PerlSockGetservent(struct IPerlSock *I)
-{
-    return win32_getservent();
-}
-
-int
-PerlSockGetsockname(struct IPerlSock *I, SOCKET s, struct sockaddr* name, int* namelen)
-{
-    return win32_getsockname(s, name, namelen);
-}
-
-int
-PerlSockGetsockopt(struct IPerlSock *I, SOCKET s, int level, int optname, char* optval, int* optlen)
-{
-    return win32_getsockopt(s, level, optname, optval, optlen);
-}
-
-unsigned long
-PerlSockInetAddr(struct IPerlSock *I, const char* cp)
-{
-    return win32_inet_addr(cp);
-}
-
-char*
-PerlSockInetNtoa(struct IPerlSock *I, struct in_addr in)
-{
-    return win32_inet_ntoa(in);
-}
-
-int
-PerlSockListen(struct IPerlSock *I, SOCKET s, int backlog)
-{
-    return win32_listen(s, backlog);
-}
-
-int
-PerlSockRecv(struct IPerlSock *I, SOCKET s, char* buffer, int len, int flags)
-{
-    return win32_recv(s, buffer, len, flags);
-}
-
-int
-PerlSockRecvfrom(struct IPerlSock *I, 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 *I, 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 *I, SOCKET s, const char* buffer, int len, int flags)
-{
-    return win32_send(s, buffer, len, flags);
-}
-
-int
-PerlSockSendto(struct IPerlSock *I, 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 *I, int stayopen)
-{
-    win32_sethostent(stayopen);
-}
-
-void
-PerlSockSetnetent(struct IPerlSock *I, int stayopen)
-{
-    win32_setnetent(stayopen);
-}
-
-void
-PerlSockSetprotoent(struct IPerlSock *I, int stayopen)
-{
-    win32_setprotoent(stayopen);
-}
-
-void
-PerlSockSetservent(struct IPerlSock *I, int stayopen)
-{
-    win32_setservent(stayopen);
-}
-
-int
-PerlSockSetsockopt(struct IPerlSock *I, SOCKET s, int level, int optname, const char* optval, int optlen)
-{
-    return win32_setsockopt(s, level, optname, optval, optlen);
-}
-
-int
-PerlSockShutdown(struct IPerlSock *I, SOCKET s, int how)
-{
-    return win32_shutdown(s, how);
-}
-
-SOCKET
-PerlSockSocket(struct IPerlSock *I, int af, int type, int protocol)
-{
-    return win32_socket(af, type, protocol);
-}
-
-int
-PerlSockSocketpair(struct IPerlSock *I, int domain, int type, int protocol, int* fds)
-{
-    dTHXo;
-    Perl_croak(aTHX_ "socketpair not implemented!\n");
-    return 0;
-}
-
-int
-PerlSockClosesocket(struct IPerlSock *I, SOCKET s)
-{
-    return win32_closesocket(s);
-}
-
-int
-PerlSockIoctlsocket(struct IPerlSock *I, 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
-
-extern char *		g_getlogin(void);
-extern int		do_spawn2(char *cmd, int exectype);
-#ifdef PERL_OBJECT
-extern int		g_do_aspawn(void *vreally, void **vmark, void **vsp);
-#define do_aspawn g_do_aspawn
-#endif
-EXTERN_C PerlInterpreter* perl_alloc_using(struct IPerlMem* pMem,
-			struct IPerlEnv* pEnv, struct IPerlStdIO* pStdIO,
-			struct IPerlLIO* pLIO, struct IPerlDir* pDir,
-			struct IPerlSock* pSock, struct IPerlProc* pProc);
-
-void
-PerlProcAbort(struct IPerlProc *I)
-{
-    win32_abort();
-}
-
-char *
-PerlProcCrypt(struct IPerlProc *I, const char* clear, const char* salt)
-{
-    return win32_crypt(clear, salt);
-}
-
-void
-PerlProcExit(struct IPerlProc *I, int status)
-{
-    exit(status);
-}
-
-void
-PerlProc_Exit(struct IPerlProc *I, int status)
-{
-    _exit(status);
-}
-
-int
-PerlProcExecl(struct IPerlProc *I, 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 *I, const char *cmdname, const char *const *argv)
-{
-    return win32_execvp(cmdname, argv);
-}
-
-int
-PerlProcExecvp(struct IPerlProc *I, const char *cmdname, const char *const *argv)
-{
-    return win32_execvp(cmdname, argv);
-}
-
-uid_t
-PerlProcGetuid(struct IPerlProc *I)
-{
-    return getuid();
-}
-
-uid_t
-PerlProcGeteuid(struct IPerlProc *I)
-{
-    return geteuid();
-}
-
-gid_t
-PerlProcGetgid(struct IPerlProc *I)
-{
-    return getgid();
-}
-
-gid_t
-PerlProcGetegid(struct IPerlProc *I)
-{
-    return getegid();
-}
-
-char *
-PerlProcGetlogin(struct IPerlProc *I)
-{
-    return g_getlogin();
-}
-
-int
-PerlProcKill(struct IPerlProc *I, int pid, int sig)
-{
-    return win32_kill(pid, sig);
-}
-
-int
-PerlProcKillpg(struct IPerlProc *I, int pid, int sig)
-{
-    dTHXo;
-    Perl_croak(aTHX_ "killpg not implemented!\n");
-    return 0;
-}
-
-int
-PerlProcPauseProc(struct IPerlProc *I)
-{
-    return win32_sleep((32767L << 16) + 32767);
-}
-
-PerlIO*
-PerlProcPopen(struct IPerlProc *I, const char *command, const char *mode)
-{
-    dTHXo;
-    PERL_FLUSHALL_FOR_CHILD;
-    return (PerlIO*)win32_popen(command, mode);
-}
-
-int
-PerlProcPclose(struct IPerlProc *I, PerlIO *stream)
-{
-    return win32_pclose((FILE*)stream);
-}
-
-int
-PerlProcPipe(struct IPerlProc *I, int *phandles)
-{
-    return win32_pipe(phandles, 512, O_BINARY);
-}
-
-int
-PerlProcSetuid(struct IPerlProc *I, uid_t u)
-{
-    return setuid(u);
-}
-
-int
-PerlProcSetgid(struct IPerlProc *I, gid_t g)
-{
-    return setgid(g);
-}
-
-int
-PerlProcSleep(struct IPerlProc *I, unsigned int s)
-{
-    return win32_sleep(s);
-}
-
-int
-PerlProcTimes(struct IPerlProc *I, struct tms *timebuf)
-{
-    return win32_times(timebuf);
-}
-
-int
-PerlProcWait(struct IPerlProc *I, int *status)
-{
-    return win32_wait(status);
-}
-
-int
-PerlProcWaitpid(struct IPerlProc *I, int pid, int *status, int flags)
-{
-    return win32_waitpid(pid, status, flags);
-}
-
-Sighandler_t
-PerlProcSignal(struct IPerlProc *I, int sig, Sighandler_t subcode)
-{
-    return 0;
-}
-
-void*
-PerlProcDynaLoader(struct IPerlProc *I, const char* filename)
-{
-    return win32_dynaload(filename);
-}
-
-void
-PerlProcGetOSError(struct IPerlProc *I, SV* sv, DWORD dwErr)
-{
-    win32_str_os_error(sv, dwErr);
-}
-
-BOOL
-PerlProcDoCmd(struct IPerlProc *I, char *cmd)
-{
-    do_spawn2(cmd, EXECF_EXEC);
-    return FALSE;
-}
-
-int
-PerlProcSpawn(struct IPerlProc *I, char* cmds)
-{
-    return do_spawn2(cmds, EXECF_SPAWN);
-}
-
-int
-PerlProcSpawnvp(struct IPerlProc *I, int mode, const char *cmdname, const char *const *argv)
-{
-    return win32_spawnvp(mode, cmdname, argv);
-}
-
-int
-PerlProcASpawn(struct IPerlProc *I, void *vreally, void **vmark, void **vsp)
-{
-    return do_aspawn(vreally, vmark, vsp);
-}
-
-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,
-    PerlProcDynaLoader,
-    PerlProcGetOSError,
-    PerlProcDoCmd,
-    PerlProcSpawn,
-    PerlProcSpawnvp,
-    PerlProcASpawn,
-};
-
-/*#include "perlhost.h" */
 
+#include "perlhost.h"
 
 EXTERN_C void
 perl_get_host_info(struct IPerlMemInfo* perlMemInfo,
+		   struct IPerlMemInfo* perlMemSharedInfo,
+		   struct IPerlMemInfo* perlMemParseInfo,
 		   struct IPerlEnvInfo* perlEnvInfo,
 		   struct IPerlStdIOInfo* perlStdIOInfo,
 		   struct IPerlLIOInfo* perlLIOInfo,
@@ -1320,31 +49,39 @@ perl_get_host_info(struct IPerlMemInfo* perlMemInfo,
 		   struct IPerlSockInfo* perlSockInfo,
 		   struct IPerlProcInfo* perlProcInfo)
 {
-    if(perlMemInfo) {
+    if (perlMemInfo) {
 	Copy(&perlMem, &perlMemInfo->perlMemList, perlMemInfo->nCount, void*);
 	perlMemInfo->nCount = (sizeof(struct IPerlMem)/sizeof(void*));
     }
-    if(perlEnvInfo) {
+    if (perlMemSharedInfo) {
+	Copy(&perlMem, &perlMemSharedInfo->perlMemList, perlMemSharedInfo->nCount, void*);
+	perlMemSharedInfo->nCount = (sizeof(struct IPerlMem)/sizeof(void*));
+    }
+    if (perlMemParseInfo) {
+	Copy(&perlMem, &perlMemParseInfo->perlMemList, perlMemParseInfo->nCount, void*);
+	perlMemParseInfo->nCount = (sizeof(struct IPerlMem)/sizeof(void*));
+    }
+    if (perlEnvInfo) {
 	Copy(&perlEnv, &perlEnvInfo->perlEnvList, perlEnvInfo->nCount, void*);
 	perlEnvInfo->nCount = (sizeof(struct IPerlEnv)/sizeof(void*));
     }
-    if(perlStdIOInfo) {
+    if (perlStdIOInfo) {
 	Copy(&perlStdIO, &perlStdIOInfo->perlStdIOList, perlStdIOInfo->nCount, void*);
 	perlStdIOInfo->nCount = (sizeof(struct IPerlStdIO)/sizeof(void*));
     }
-    if(perlLIOInfo) {
+    if (perlLIOInfo) {
 	Copy(&perlLIO, &perlLIOInfo->perlLIOList, perlLIOInfo->nCount, void*);
 	perlLIOInfo->nCount = (sizeof(struct IPerlLIO)/sizeof(void*));
     }
-    if(perlDirInfo) {
+    if (perlDirInfo) {
 	Copy(&perlDir, &perlDirInfo->perlDirList, perlDirInfo->nCount, void*);
 	perlDirInfo->nCount = (sizeof(struct IPerlDir)/sizeof(void*));
     }
-    if(perlSockInfo) {
+    if (perlSockInfo) {
 	Copy(&perlSock, &perlSockInfo->perlSockList, perlSockInfo->nCount, void*);
 	perlSockInfo->nCount = (sizeof(struct IPerlSock)/sizeof(void*));
     }
-    if(perlProcInfo) {
+    if (perlProcInfo) {
 	Copy(&perlProc, &perlProcInfo->perlProcList, perlProcInfo->nCount, void*);
 	perlProcInfo->nCount = (sizeof(struct IPerlProc)/sizeof(void*));
     }
@@ -1352,142 +89,173 @@ perl_get_host_info(struct IPerlMemInfo* perlMemInfo,
 
 #ifdef PERL_OBJECT
 
-EXTERN_C PerlInterpreter* perl_alloc_using(struct IPerlMem* pMem,
-			struct IPerlEnv* pEnv, struct IPerlStdIO* pStdIO,
-			struct IPerlLIO* pLIO, struct IPerlDir* pDir,
-			struct IPerlSock* pSock, struct IPerlProc* pProc)
+EXTERN_C PerlInterpreter*
+perl_alloc_override(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)
 {
-    CPerlObj* pPerl = NULL;
+    PerlInterpreter *my_perl = NULL;
     try
     {
-	pPerl = Perl_alloc(pMem, pEnv, pStdIO, pLIO, pDir, pSock, pProc);
+	CPerlHost* pHost = new CPerlHost(ppMem, ppMemShared, ppMemParse, ppEnv,
+					 ppStdIO, ppLIO, ppDir, ppSock, ppProc);
+
+	if (pHost) {
+	    my_perl = perl_alloc_using(pHost->m_pHostperlMem,
+				       pHost->m_pHostperlMemShared,
+				       pHost->m_pHostperlMemParse,
+				       pHost->m_pHostperlEnv,
+				       pHost->m_pHostperlStdIO,
+				       pHost->m_pHostperlLIO,
+				       pHost->m_pHostperlDir,
+				       pHost->m_pHostperlSock,
+				       pHost->m_pHostperlProc);
+	    if (my_perl) {
+		CPerlObj* pPerl = (CPerlObj*)my_perl;
+		w32_internal_host = pHost;
+	    }
+	}
     }
     catch(...)
     {
 	win32_fprintf(stderr, "%s\n", "Error: Unable to allocate memory");
-	pPerl = NULL;
-    }
-    if(pPerl)
-    {
-	SetPerlInterpreter(pPerl);
-	return (PerlInterpreter*)pPerl;
+	my_perl = NULL;
     }
-    SetPerlInterpreter(NULL);
-    return NULL;
+
+    return my_perl;
 }
 
-#undef perl_alloc
-#undef perl_construct
-#undef perl_destruct
-#undef perl_free
-#undef perl_run
-#undef perl_parse
-EXTERN_C PerlInterpreter* perl_alloc(void)
+EXTERN_C PerlInterpreter*
+perl_alloc(void)
 {
-    CPerlObj* pPerl = NULL;
+    PerlInterpreter* my_perl = NULL;
     try
     {
-	pPerl = Perl_alloc(&perlMem, &perlEnv, &perlStdIO, &perlLIO,
-			   &perlDir, &perlSock, &perlProc);
+	CPerlHost* pHost = new CPerlHost();
+	if (pHost) {
+	    my_perl = perl_alloc_using(pHost->m_pHostperlMem,
+				       pHost->m_pHostperlMemShared,
+				       pHost->m_pHostperlMemParse,
+				       pHost->m_pHostperlEnv,
+				       pHost->m_pHostperlStdIO,
+				       pHost->m_pHostperlLIO,
+				       pHost->m_pHostperlDir,
+				       pHost->m_pHostperlSock,
+				       pHost->m_pHostperlProc);
+	    if (my_perl) {
+		CPerlObj* pPerl = (CPerlObj*)my_perl;
+		w32_internal_host = pHost;
+	    }
+	}
     }
     catch(...)
     {
 	win32_fprintf(stderr, "%s\n", "Error: Unable to allocate memory");
-	pPerl = NULL;
-    }
-    if(pPerl)
-    {
-	SetPerlInterpreter(pPerl);
-	return (PerlInterpreter*)pPerl;
+	my_perl = NULL;
     }
-    SetPerlInterpreter(NULL);
-    return NULL;
+
+    return my_perl;
 }
 
-EXTERN_C void perl_construct(PerlInterpreter* sv_interp)
+EXTERN_C void
+perl_construct(PerlInterpreter* my_perl)
 {
-    CPerlObj* pPerl = (CPerlObj*)sv_interp;
+    CPerlObj* pPerl = (CPerlObj*)my_perl;
     try
     {
-	pPerl->perl_construct();
+	Perl_construct();
     }
     catch(...)
     {
 	win32_fprintf(stderr, "%s\n",
 		      "Error: Unable to construct data structures");
-	pPerl->perl_free();
+	CPerlHost* pHost = (CPerlHost*)w32_internal_host;
+	Perl_free();
+	delete pHost;
 	SetPerlInterpreter(NULL);
     }
 }
 
-EXTERN_C void perl_destruct(PerlInterpreter* sv_interp)
+EXTERN_C void
+perl_destruct(PerlInterpreter* my_perl)
 {
-    CPerlObj* pPerl = (CPerlObj*)sv_interp;
+    CPerlObj* pPerl = (CPerlObj*)my_perl;
+#ifdef DEBUGGING
+    Perl_destruct();
+#else
     try
     {
-	pPerl->perl_destruct();
+	Perl_destruct();
     }
     catch(...)
     {
     }
+#endif
 }
 
-EXTERN_C void perl_free(PerlInterpreter* sv_interp)
+EXTERN_C void
+perl_free(PerlInterpreter* my_perl)
 {
-    CPerlObj* pPerl = (CPerlObj*)sv_interp;
+    CPerlObj* pPerl = (CPerlObj*)my_perl;
+#ifdef DEBUGGING
+    CPerlHost* pHost = (CPerlHost*)w32_internal_host;
+    Perl_free();
+    delete pHost;
+#else
     try
     {
-	pPerl->perl_free();
+	CPerlHost* pHost = (CPerlHost*)w32_internal_host;
+	Perl_free();
+	delete pHost;
     }
     catch(...)
     {
     }
+#endif
     SetPerlInterpreter(NULL);
 }
 
-EXTERN_C int perl_run(PerlInterpreter* sv_interp)
+EXTERN_C int
+perl_run(PerlInterpreter* my_perl)
 {
-    CPerlObj* pPerl = (CPerlObj*)sv_interp;
+    CPerlObj* pPerl = (CPerlObj*)my_perl;
+#ifdef DEBUGGING
+    return Perl_run();
+#else
     int retVal;
     try
     {
-	retVal = pPerl->perl_run();
+	retVal = Perl_run();
     }
-/*
-    catch(int x)
-    {
-	// this is where exit() should arrive
-	retVal = x;
-    }
-*/
     catch(...)
     {
 	win32_fprintf(stderr, "Error: Runtime exception\n");
 	retVal = -1;
     }
     return retVal;
+#endif
 }
 
-EXTERN_C int perl_parse(PerlInterpreter* sv_interp, void (*xsinit)(CPerlObj*), int argc, char** argv, char** env)
+EXTERN_C int
+perl_parse(PerlInterpreter* my_perl, void (*xsinit)(CPerlObj*), int argc, char** argv, char** env)
 {
     int retVal;
-    CPerlObj* pPerl = (CPerlObj*)sv_interp;
+    CPerlObj* pPerl = (CPerlObj*)my_perl;
+#ifdef DEBUGGING
+    retVal = Perl_parse(xsinit, argc, argv, env);
+#else
     try
     {
-	retVal = pPerl->perl_parse(xsinit, argc, argv, env);
+	retVal = Perl_parse(xsinit, argc, argv, env);
     }
-/*
-    catch(int x)
-    {
-	// this is where exit() should arrive
-	retVal = x;
-    }
-*/
     catch(...)
     {
 	win32_fprintf(stderr, "Error: Parse exception\n");
 	retVal = -1;
     }
+#endif
     *win32_errno() = 0;
     return retVal;
 }
@@ -1500,15 +268,31 @@ EXTERN_C int perl_parse(PerlInterpreter* sv_interp, void (*xsinit)(CPerlObj*), i
 EXTERN_C PerlInterpreter*
 perl_alloc(void)
 {
-    return perl_alloc_using(&perlMem, &perlEnv, &perlStdIO, &perlLIO,
-			   &perlDir, &perlSock, &perlProc);
+    PerlInterpreter *my_perl = NULL;
+    CPerlHost* pHost = new CPerlHost();
+    if (pHost) {
+	my_perl = perl_alloc_using(pHost->m_pHostperlMem,
+				   pHost->m_pHostperlMemShared,
+				   pHost->m_pHostperlMemParse,
+				   pHost->m_pHostperlEnv,
+				   pHost->m_pHostperlStdIO,
+				   pHost->m_pHostperlLIO,
+				   pHost->m_pHostperlDir,
+				   pHost->m_pHostperlSock,
+				   pHost->m_pHostperlProc);
+	if (my_perl) {
+	    CPerlObj* pPerl = (CPerlObj*)my_perl;
+	    w32_internal_host = pHost;
+	}
+    }
+    return my_perl;
 }
 
 #endif /* PERL_OBJECT */
-
 #endif /* PERL_IMPLICIT_SYS */
 
-extern HANDLE w32_perldll_handle;
+EXTERN_C HANDLE w32_perldll_handle;
+
 static DWORD g_TlsAllocIndex;
 
 EXTERN_C DllExport bool
@@ -1563,9 +347,24 @@ RunPerl(int argc, char **argv, char **env)
 
     exitstatus = perl_parse(my_perl, xs_init, argc, argv, env);
     if (!exitstatus) {
-#ifdef USE_ITHREADS		/* XXXXXX testing */
-	new_perl = perl_clone(my_perl, 0);
-	Perl_push_scope(new_perl); /* ENTER; (hack in lieu of perl_destruct()) */
+#if defined(TOP_CLONE) && defined(USE_ITHREADS)		/* XXXXXX testing */
+#  ifdef PERL_OBJECT
+	CPerlHost *h = new CPerlHost();
+	new_perl = perl_clone_using(my_perl, 1,
+				    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
+				    );
+	CPerlObj *pPerl = (CPerlObj*)new_perl;
+#  else
+	new_perl = perl_clone(my_perl, 1);
+#  endif
 	exitstatus = perl_run( new_perl );
 	SetPerlInterpreter(my_perl);
 #else
@@ -1630,4 +429,3 @@ DllMain(HANDLE hModule,		/* DLL module handle */
     }
     return TRUE;
 }
-