/* Global only to current interpreter instance */
/***********************************************/
+/* Don't forget to re-run embed.pl to propagate changes! */
+
+/* The 'I' prefix is only needed for vars that need appropriate #defines
+ * generated when built with or without MULTIPLICITY. It is also used
+ * to generate the appropriate export list for win32.
+ *
+ * When building without MULTIPLICITY, these variables will be truly global. */
+
/* pseudo environmental stuff */
-PERLVAR(Iorigargc, int)
-PERLVAR(Iorigargv, char **)
-PERLVAR(Ienvgv, GV *)
-PERLVAR(Isiggv, GV *)
-PERLVAR(Iincgv, GV *)
-PERLVAR(Iorigfilename, char *)
-PERLVAR(Idiehook, SV *)
-PERLVAR(Iwarnhook, SV *)
-PERLVAR(Iparsehook, SV *)
-PERLVAR(Icddir, char *) /* switches */
-PERLVAR(Iminus_c, bool)
-PERLVAR(Ipatchlevel[10],char)
-PERLVAR(Ilocalpatches, char **)
-PERLVARI(Isplitstr, char *, " ")
-PERLVAR(Ipreprocess, bool)
-PERLVAR(Iminus_n, bool)
-PERLVAR(Iminus_p, bool)
-PERLVAR(Iminus_l, bool)
-PERLVAR(Iminus_a, bool)
-PERLVAR(Iminus_F, bool)
-PERLVAR(Idoswitches, bool)
-PERLVAR(Idowarn, bool)
-PERLVAR(Idoextract, bool)
+PERLVAR(Iorigargc, int)
+PERLVAR(Iorigargv, char **)
+PERLVAR(Ienvgv, GV *)
+PERLVAR(Iincgv, GV *)
+PERLVAR(Ihintgv, GV *)
+PERLVAR(Iorigfilename, char *)
+PERLVAR(Idiehook, SV *)
+PERLVAR(Iwarnhook, SV *)
+
+/* switches */
+PERLVAR(Iminus_c, bool)
+PERLVAR(Ipatchlevel, SV *)
+PERLVAR(Ilocalpatches, char **)
+PERLVARI(Isplitstr, char *, " ")
+PERLVAR(Ipreprocess, bool)
+PERLVAR(Iminus_n, bool)
+PERLVAR(Iminus_p, bool)
+PERLVAR(Iminus_l, bool)
+PERLVAR(Iminus_a, bool)
+PERLVAR(Iminus_F, bool)
+PERLVAR(Idoswitches, bool)
+
+/*
+=for apidoc Amn|bool|PL_dowarn
+
+The C variable which corresponds to Perl's $^W warning variable.
+
+=cut
+*/
+
+PERLVAR(Idowarn, U8)
+PERLVAR(Iwidesyscalls, bool) /* wide system calls */
+PERLVAR(Idoextract, bool)
PERLVAR(Isawampersand, bool) /* must save all match strings */
-PERLVAR(Isawstudy, bool) /* do fbm_instr on all strings */
-PERLVAR(Isawvec, bool)
-PERLVAR(Iunsafe, bool)
-PERLVAR(Iinplace, char *)
-PERLVAR(Ie_tmpname, char *)
-PERLVAR(Ie_fp, PerlIO *)
-PERLVAR(Iperldb, U32)
-
-/* This value may be raised by extensions for testing purposes */
+PERLVAR(Iunsafe, bool)
+PERLVAR(Iinplace, char *)
+PERLVAR(Ie_script, SV *)
+PERLVAR(Iperldb, U32)
+
+/* This value may be set when embedding for full cleanup */
/* 0=none, 1=full, 2=full with checks */
-PERLVARI(Iperl_destruct_level, int, 0)
+PERLVARI(Iperl_destruct_level, int, 0)
/* magical thingies */
PERLVAR(Ibasetime, Time_t) /* $^T */
PERLVAR(Iformfeed, SV *) /* $^L */
-PERLVARI(Imaxsysfd, I32, MAXSYSFD) /* top fd to pass to subprocesses */
+PERLVARI(Imaxsysfd, I32, MAXSYSFD)
+ /* top fd to pass to subprocesses */
PERLVAR(Imultiline, int) /* $*--do strings hold >1 line? */
PERLVAR(Istatusvalue, I32) /* $? */
+PERLVAR(Iexit_flags, U8) /* was exit() unexpected, etc. */
#ifdef VMS
-PERLVAR(Istatusvalue_vms, U32)
+PERLVAR(Istatusvalue_vms,U32)
#endif
-PERLVAR(Istatcache, Stat_t) /* _ */
-PERLVAR(Istatgv, GV *)
-PERLVARI(Istatname, SV *, Nullsv)
-
/* shortcuts to various I/O objects */
-PERLVAR(Istdingv, GV *)
-PERLVAR(Idefgv, GV *)
-PERLVAR(Iargvgv, GV *)
-PERLVAR(Iargvoutgv, GV *)
+PERLVAR(Istdingv, GV *)
+PERLVAR(Istderrgv, GV *)
+PERLVAR(Idefgv, GV *)
+PERLVAR(Iargvgv, GV *)
+PERLVAR(Iargvoutgv, GV *)
+PERLVAR(Iargvout_stack, AV *)
/* shortcuts to regexp stuff */
-PERLVAR(Ileftgv, GV *)
-PERLVAR(Iampergv, GV *)
-PERLVAR(Irightgv, GV *)
-PERLVAR(Iscreamfirst, I32 *)
-PERLVAR(Iscreamnext, I32 *)
-PERLVARI(Imaxscream, I32, -1)
-PERLVAR(Ilastscream, SV *)
+/* this one needs to be moved to thrdvar.h and accessed via
+ * find_threadsv() when USE_THREADS */
+PERLVAR(Ireplgv, GV *)
/* shortcuts to misc objects */
-PERLVAR(Ierrgv, GV *)
+PERLVAR(Ierrgv, GV *)
/* shortcuts to debugging objects */
-PERLVAR(IDBgv, GV *)
-PERLVAR(IDBline, GV *)
-PERLVAR(IDBsub, GV *)
-PERLVAR(IDBsingle, SV *)
-PERLVAR(IDBtrace, SV *)
-PERLVAR(IDBsignal, SV *)
+PERLVAR(IDBgv, GV *)
+PERLVAR(IDBline, GV *)
+
+/*
+=for apidoc Amn|GV *|PL_DBsub
+When Perl is run in debugging mode, with the B<-d> switch, this GV contains
+the SV which holds the name of the sub being debugged. This is the C
+variable which corresponds to Perl's $DB::sub variable. See
+C<PL_DBsingle>.
+
+=for apidoc Amn|SV *|PL_DBsingle
+When Perl is run in debugging mode, with the B<-d> switch, this SV is a
+boolean which indicates whether subs are being single-stepped.
+Single-stepping is automatically turned on after every step. This is the C
+variable which corresponds to Perl's $DB::single variable. See
+C<PL_DBsub>.
+
+=for apidoc Amn|SV *|PL_DBtrace
+Trace variable used when Perl is run in debugging mode, with the B<-d>
+switch. This is the C variable which corresponds to Perl's $DB::trace
+variable. See C<PL_DBsingle>.
+
+=cut
+*/
+
+PERLVAR(IDBsub, GV *)
+PERLVAR(IDBsingle, SV *)
+PERLVAR(IDBtrace, SV *)
+PERLVAR(IDBsignal, SV *)
PERLVAR(Ilineary, AV *) /* lines of script for debugger */
PERLVAR(Idbargs, AV *) /* args to call listed by caller function */
PERLVAR(Icurstname, SV *) /* name of current package */
PERLVAR(Ibeginav, AV *) /* names of BEGIN subroutines */
PERLVAR(Iendav, AV *) /* names of END subroutines */
+PERLVAR(Icheckav, AV *) /* names of CHECK subroutines */
PERLVAR(Iinitav, AV *) /* names of INIT subroutines */
PERLVAR(Istrtab, HV *) /* shared string table */
+PERLVARI(Isub_generation,U32,1) /* incr to invalidate method cache */
/* memory management */
PERLVAR(Isv_count, I32) /* how many SV* are currently allocated */
PERLVAR(Isv_arenaroot, SV*) /* list of areas for garbage collection */
/* funky return mechanisms */
-PERLVAR(Ilastspbase, I32)
-PERLVAR(Ilastsize, I32)
PERLVAR(Iforkprocess, int) /* so do_open |- can return proc# */
/* subprocess state */
PERLVAR(Itainting, bool) /* doing taint checks */
PERLVARI(Iop_mask, char *, NULL) /* masked operations for safe evals */
-/* trace state */
-PERLVAR(Idlevel, I32)
-PERLVARI(Idlmax, I32, 128)
-PERLVAR(Idebname, char *)
-PERLVAR(Idebdelim, char *)
-
/* current interpreter roots */
-PERLVAR(Imain_cv, CV *)
-PERLVAR(Imain_root, OP *)
-PERLVAR(Imain_start, OP *)
-PERLVAR(Ieval_root, OP *)
-PERLVAR(Ieval_start, OP *)
+PERLVAR(Imain_cv, CV *)
+PERLVAR(Imain_root, OP *)
+PERLVAR(Imain_start, OP *)
+PERLVAR(Ieval_root, OP *)
+PERLVAR(Ieval_start, OP *)
/* runtime control stuff */
-PERLVARI(Icurcopdb, COP *, NULL)
-PERLVARI(Icopline, line_t, NOLINE)
+PERLVARI(Icurcopdb, COP *, NULL)
+PERLVARI(Icopline, line_t, NOLINE)
/* statics moved here for shared library purposes */
-PERLVAR(Istrchop, SV) /* return value from chop */
PERLVAR(Ifilemode, int) /* so nextargv() can preserve mode */
PERLVAR(Ilastfd, int) /* what to preserve mode on */
PERLVAR(Ioldname, char *) /* what to preserve mode on */
PERLVAR(IArgv, char **) /* stuff to free from do_aexec, vfork safe */
PERLVAR(ICmd, char *) /* stuff to free from do_aexec, vfork safe */
-PERLVAR(Isortcop, OP *) /* user defined sort routine */
-PERLVAR(Isortstash, HV *) /* which is in some package or other */
-PERLVAR(Ifirstgv, GV *) /* $a */
-PERLVAR(Isecondgv, GV *) /* $b */
-PERLVAR(Isortstack, AV *) /* temp stack during pp_sort() */
-PERLVAR(Isignalstack, AV *) /* temp stack during sighandler() */
-PERLVAR(Imystrk, SV *) /* temp key string for do_each() */
-PERLVAR(Idumplvl, I32) /* indentation level on syntax tree dump */
-PERLVAR(Ioldlastpm, PMOP *) /* for saving regexp context during debugger */
PERLVAR(Igensym, I32) /* next symbol for getsym() to define */
-PERLVAR(Ipreambled, bool)
-PERLVAR(Ipreambleav, AV *)
-PERLVARI(Ilaststatval, int, -1)
-PERLVARI(Ilaststype, I32, OP_STAT)
-PERLVAR(Imess_sv, SV *)
+PERLVAR(Ipreambled, bool)
+PERLVAR(Ipreambleav, AV *)
+PERLVARI(Ilaststatval, int, -1)
+PERLVARI(Ilaststype, I32, OP_STAT)
+PERLVAR(Imess_sv, SV *)
+
+/* XXX shouldn't these be per-thread? --GSAR */
+PERLVAR(Iors_sv, SV *) /* output record separator $\ */
+PERLVAR(Iofmt, char *) /* output format for numbers $# */
+
+/* interpreter atexit processing */
+PERLVARI(Iexitlist, PerlExitListEntry *, NULL)
+ /* list of exit functions */
+PERLVARI(Iexitlistlen, I32, 0) /* length of same */
+
+/*
+=for apidoc Amn|HV*|PL_modglobal
+
+C<PL_modglobal> is a general purpose, interpreter global HV for use by
+extensions that need to keep information on a per-interpreter basis.
+In a pinch, it can also be used as a symbol table for extensions
+to share data among each other. It is a good idea to use keys
+prefixed by the package name of the extension that owns the data.
+
+=cut
+*/
+
+PERLVAR(Imodglobal, HV *) /* per-interp module data */
+
+/* these used to be in global before 5.004_68 */
+PERLVARI(Iprofiledata, U32 *, NULL) /* table of ops, counts */
+PERLVARI(Irsfp, PerlIO * VOL, Nullfp) /* current source file pointer */
+PERLVARI(Irsfp_filters, AV *, Nullav) /* keeps active source filters */
+
+PERLVAR(Icompiling, COP) /* compiling/done executing marker */
+
+PERLVAR(Icompcv, CV *) /* currently compiling subroutine */
+PERLVAR(Icomppad, AV *) /* storage for lexically scoped temporaries */
+PERLVAR(Icomppad_name, AV *) /* variable names for "my" variables */
+PERLVAR(Icomppad_name_fill, I32) /* last "introduced" variable offset */
+PERLVAR(Icomppad_name_floor, I32) /* start of vars in innermost block */
+
+#ifdef HAVE_INTERP_INTERN
+PERLVAR(Isys_intern, struct interp_intern)
+ /* platform internals */
+#endif
+
+/* more statics moved here */
+PERLVARI(Igeneration, int, 100) /* from op.c */
+PERLVAR(IDBcv, CV *) /* from perl.c */
+
+PERLVARI(Iin_clean_objs,bool, FALSE) /* from sv.c */
+PERLVARI(Iin_clean_all, bool, FALSE) /* from sv.c */
+
+PERLVAR(Ilinestart, char *) /* beg. of most recently read line */
+PERLVAR(Ipending_ident, char) /* pending identifier lookup */
+PERLVAR(Isublex_info, SUBLEXINFO) /* from toke.c */
+
+#ifdef USE_THREADS
+PERLVAR(Ithrsv, SV *) /* struct perl_thread for main thread */
+PERLVARI(Ithreadnum, U32, 0) /* incremented each thread creation */
+PERLVAR(Istrtab_mutex, perl_mutex) /* Mutex for string table access */
+#endif /* USE_THREADS */
+
+PERLVAR(Iuid, Uid_t) /* current real user id */
+PERLVAR(Ieuid, Uid_t) /* current effective user id */
+PERLVAR(Igid, Gid_t) /* current real group id */
+PERLVAR(Iegid, Gid_t) /* current effective group id */
+PERLVAR(Inomemok, bool) /* let malloc context handle nomem */
+PERLVAR(Ian, U32) /* malloc sequence number */
+PERLVAR(Icop_seqmax, U32) /* statement sequence number */
+PERLVAR(Iop_seqmax, U16) /* op sequence number */
+PERLVAR(Ievalseq, U32) /* eval sequence number */
+PERLVAR(Iorigenviron, char **)
+PERLVAR(Iorigalen, U32)
+PERLVAR(Ipidstatus, HV *) /* pid-to-status mappings for waitpid */
+PERLVARI(Imaxo, int, MAXO) /* maximum number of ops */
+PERLVAR(Iosname, char *) /* operating system */
+PERLVARI(Ish_path, char *, SH_PATH)/* full path of shell */
+PERLVAR(Isighandlerp, Sighandler_t)
+
+PERLVAR(Ixiv_arenaroot, XPV*) /* list of allocated xiv areas */
+PERLVAR(Ixiv_root, IV *) /* free xiv list */
+PERLVAR(Ixnv_root, NV *) /* free xnv list */
+PERLVAR(Ixrv_root, XRV *) /* free xrv list */
+PERLVAR(Ixpv_root, XPV *) /* free xpv list */
+PERLVAR(Ixpviv_root, XPVIV *) /* free xpviv list */
+PERLVAR(Ixpvnv_root, XPVNV *) /* free xpvnv list */
+PERLVAR(Ixpvcv_root, XPVCV *) /* free xpvcv list */
+PERLVAR(Ixpvav_root, XPVAV *) /* free xpvav list */
+PERLVAR(Ixpvhv_root, XPVHV *) /* free xpvhv list */
+PERLVAR(Ixpvmg_root, XPVMG *) /* free xpvmg list */
+PERLVAR(Ixpvlv_root, XPVLV *) /* free xpvlv list */
+PERLVAR(Ixpvbm_root, XPVBM *) /* free xpvbm list */
+PERLVAR(Ihe_root, HE *) /* free he list */
+PERLVAR(Inice_chunk, char *) /* a nice chunk of memory to reuse */
+PERLVAR(Inice_chunk_size, U32) /* how nice the chunk of memory is */
+
+PERLVARI(Irunops, runops_proc_t, MEMBER_TO_FPTR(RUNOPS_DEFAULT))
+
+PERLVARA(Itokenbuf,256, char)
+
+/*
+=for apidoc Amn|SV|PL_sv_undef
+This is the C<undef> SV. Always refer to this as C<&PL_sv_undef>.
+
+=for apidoc Amn|SV|PL_sv_no
+This is the C<false> SV. See C<PL_sv_yes>. Always refer to this as
+C<&PL_sv_no>.
-PERLVAR(Iors, char *) /* $\ */
-PERLVAR(Iorslen, STRLEN)
-PERLVAR(Iofmt, char *) /* $# */
+=for apidoc Amn|SV|PL_sv_yes
+This is the C<true> SV. See C<PL_sv_no>. Always refer to this as
+C<&PL_sv_yes>.
+
+=cut
+*/
+
+PERLVAR(Isv_undef, SV)
+PERLVAR(Isv_no, SV)
+PERLVAR(Isv_yes, SV)
+
+#ifdef CSH
+PERLVARI(Icshname, char *, CSH)
+PERLVAR(Icshlen, I32)
+#endif
+
+PERLVAR(Ilex_state, U32) /* next token is determined */
+PERLVAR(Ilex_defer, U32) /* state after determined token */
+PERLVAR(Ilex_expect, int) /* expect after determined token */
+PERLVAR(Ilex_brackets, I32) /* bracket count */
+PERLVAR(Ilex_formbrack, I32) /* bracket count at outer format level */
+PERLVAR(Ilex_casemods, I32) /* casemod count */
+PERLVAR(Ilex_dojoin, I32) /* doing an array interpolation */
+PERLVAR(Ilex_starts, I32) /* how many interps done on level */
+PERLVAR(Ilex_stuff, SV *) /* runtime pattern from m// or s/// */
+PERLVAR(Ilex_repl, SV *) /* runtime replacement from s/// */
+PERLVAR(Ilex_op, OP *) /* extra info to pass back on op */
+PERLVAR(Ilex_inpat, OP *) /* in pattern $) and $| are special */
+PERLVAR(Ilex_inwhat, I32) /* what kind of quoting are we in */
+PERLVAR(Ilex_brackstack,char *) /* what kind of brackets to pop */
+PERLVAR(Ilex_casestack, char *) /* what kind of case mods in effect */
+
+/* What we know when we're in LEX_KNOWNEXT state. */
+PERLVARA(Inextval,5, YYSTYPE) /* value of next token, if any */
+PERLVARA(Inexttype,5, I32) /* type of next token */
+PERLVAR(Inexttoke, I32)
+
+PERLVAR(Ilinestr, SV *)
+PERLVAR(Ibufptr, char *)
+PERLVAR(Ioldbufptr, char *)
+PERLVAR(Ioldoldbufptr, char *)
+PERLVAR(Ibufend, char *)
+PERLVARI(Iexpect,int, XSTATE) /* how to interpret ambiguous tokens */
+
+PERLVAR(Imulti_start, I32) /* 1st line of multi-line string */
+PERLVAR(Imulti_end, I32) /* last line of multi-line string */
+PERLVAR(Imulti_open, I32) /* delimiter of said string */
+PERLVAR(Imulti_close, I32) /* delimiter of said string */
+
+PERLVAR(Ierror_count, I32) /* how many errors so far, max 10 */
+PERLVAR(Isubline, I32) /* line this subroutine began on */
+PERLVAR(Isubname, SV *) /* name of current subroutine */
+
+PERLVAR(Imin_intro_pending, I32) /* start of vars to introduce */
+PERLVAR(Imax_intro_pending, I32) /* end of vars to introduce */
+PERLVAR(Ipadix, I32) /* max used index in current "register" pad */
+PERLVAR(Ipadix_floor, I32) /* how low may inner block reset padix */
+PERLVAR(Ipad_reset_pending, I32) /* reset pad on next attempted alloc */
+
+PERLVAR(Ilast_uni, char *) /* position of last named-unary op */
+PERLVAR(Ilast_lop, char *) /* position of last list operator */
+PERLVAR(Ilast_lop_op, OPCODE) /* last list operator */
+PERLVAR(Iin_my, I32) /* we're compiling a "my" (or "our") declaration */
+PERLVAR(Iin_my_stash, HV *) /* declared class of this "my" declaration */
+#ifdef FCRYPT
+PERLVAR(Icryptseen, bool) /* has fast crypt() been initialized? */
+#endif
+
+PERLVAR(Ihints, U32) /* pragma-tic compile-time flags */
+
+PERLVAR(Idebug, VOL U32) /* flags given to -D switch */
+
+PERLVAR(Iamagic_generation, long)
+
+#ifdef USE_LOCALE_COLLATE
+PERLVAR(Icollation_ix, U32) /* Collation generation index */
+PERLVAR(Icollation_name,char *) /* Name of current collation */
+PERLVARI(Icollation_standard, bool, TRUE)
+ /* Assume simple collation */
+PERLVAR(Icollxfrm_base, Size_t) /* Basic overhead in *xfrm() */
+PERLVARI(Icollxfrm_mult,Size_t, 2) /* Expansion factor in *xfrm() */
+#endif /* USE_LOCALE_COLLATE */
+
+#ifdef USE_LOCALE_NUMERIC
+
+PERLVAR(Inumeric_name, char *) /* Name of current numeric locale */
+PERLVARI(Inumeric_standard, bool, TRUE)
+ /* Assume simple numerics */
+PERLVARI(Inumeric_local, bool, TRUE)
+ /* Assume local numerics */
+PERLVAR(Inumeric_radix, char)
+ /* The radix character if not '.' */
+
+#endif /* !USE_LOCALE_NUMERIC */
+
+/* utf8 character classes */
+PERLVAR(Iutf8_alnum, SV *)
+PERLVAR(Iutf8_alnumc, SV *)
+PERLVAR(Iutf8_ascii, SV *)
+PERLVAR(Iutf8_alpha, SV *)
+PERLVAR(Iutf8_space, SV *)
+PERLVAR(Iutf8_cntrl, SV *)
+PERLVAR(Iutf8_graph, SV *)
+PERLVAR(Iutf8_digit, SV *)
+PERLVAR(Iutf8_upper, SV *)
+PERLVAR(Iutf8_lower, SV *)
+PERLVAR(Iutf8_print, SV *)
+PERLVAR(Iutf8_punct, SV *)
+PERLVAR(Iutf8_xdigit, SV *)
+PERLVAR(Iutf8_mark, SV *)
+PERLVAR(Iutf8_toupper, SV *)
+PERLVAR(Iutf8_totitle, SV *)
+PERLVAR(Iutf8_tolower, SV *)
+PERLVAR(Ilast_swash_hv, HV *)
+PERLVAR(Ilast_swash_klen, U32)
+PERLVARA(Ilast_swash_key,10, U8)
+PERLVAR(Ilast_swash_tmps, U8 *)
+PERLVAR(Ilast_swash_slen, STRLEN)
+
+/* perly.c globals */
+PERLVAR(Iyydebug, int)
+PERLVAR(Iyynerrs, int)
+PERLVAR(Iyyerrflag, int)
+PERLVAR(Iyychar, int)
+PERLVAR(Iyyval, YYSTYPE)
+PERLVAR(Iyylval, YYSTYPE)
+
+PERLVAR(Iglob_index, int)
+PERLVAR(Isrand_called, bool)
+PERLVARA(Iuudmap,256, char)
+PERLVAR(Ibitcount, char *)
#ifdef USE_THREADS
-PERLVAR(Ithrsv, SV *) /* holds struct perl_thread for main thread */
+PERLVAR(Isv_mutex, perl_mutex) /* Mutex for allocating SVs in sv.c */
+PERLVAR(Ieval_mutex, perl_mutex) /* Mutex for doeval */
+PERLVAR(Ieval_cond, perl_cond) /* Condition variable for doeval */
+PERLVAR(Ieval_owner, struct perl_thread *)
+ /* Owner thread for doeval */
+PERLVAR(Inthreads, int) /* Number of threads currently */
+PERLVAR(Ithreads_mutex, perl_mutex) /* Mutex for nthreads and thread list */
+PERLVAR(Inthreads_cond, perl_cond) /* Condition variable for nthreads */
+PERLVAR(Isvref_mutex, perl_mutex) /* Mutex for SvREFCNT_{inc,dec} */
+PERLVARI(Ithreadsv_names,char *, THREADSV_NAMES)
+#ifdef FAKE_THREADS
+PERLVAR(Icurthr, struct perl_thread *)
+ /* Currently executing (fake) thread */
+#endif
+
+PERLVAR(Icred_mutex, perl_mutex) /* altered credentials in effect */
+
#endif /* USE_THREADS */
+
+PERLVAR(Ipsig_ptr, SV**)
+PERLVAR(Ipsig_name, SV**)
+
+#if defined(PERL_IMPLICIT_SYS)
+PERLVAR(IMem, struct IPerlMem*)
+PERLVAR(IMemShared, struct IPerlMem*)
+PERLVAR(IMemParse, struct IPerlMem*)
+PERLVAR(IEnv, struct IPerlEnv*)
+PERLVAR(IStdIO, struct IPerlStdIO*)
+PERLVAR(ILIO, struct IPerlLIO*)
+PERLVAR(IDir, struct IPerlDir*)
+PERLVAR(ISock, struct IPerlSock*)
+PERLVAR(IProc, struct IPerlProc*)
+#endif
+
+#if defined(USE_ITHREADS)
+PERLVAR(Iptr_table, PTR_TBL_t*)
+#endif
+PERLVARI(Ibeginav_save, AV*, Nullav) /* save BEGIN{}s when compiling */
+
+#ifdef USE_THREADS
+PERLVAR(Ifdpid_mutex, perl_mutex) /* mutex for fdpid array */
+PERLVAR(Isv_lock_mutex, perl_mutex) /* mutex for SvLOCK macro */
+#endif
+
+PERLVAR(Inullstash, HV *) /* illegal symbols end up here */
+
+PERLVAR(Ixnv_arenaroot, XPV*) /* list of allocated xnv areas */
+PERLVAR(Ixrv_arenaroot, XPV*) /* list of allocated xrv areas */
+PERLVAR(Ixpv_arenaroot, XPV*) /* list of allocated xpv areas */
+PERLVAR(Ixpviv_arenaroot,XPVIV*) /* list of allocated xpviv areas */
+PERLVAR(Ixpvnv_arenaroot,XPVNV*) /* list of allocated xpvnv areas */
+PERLVAR(Ixpvcv_arenaroot,XPVCV*) /* list of allocated xpvcv areas */
+PERLVAR(Ixpvav_arenaroot,XPVAV*) /* list of allocated xpvav areas */
+PERLVAR(Ixpvhv_arenaroot,XPVHV*) /* list of allocated xpvhv areas */
+PERLVAR(Ixpvmg_arenaroot,XPVMG*) /* list of allocated xpvmg areas */
+PERLVAR(Ixpvlv_arenaroot,XPVLV*) /* list of allocated xpvlv areas */
+PERLVAR(Ixpvbm_arenaroot,XPVBM*) /* list of allocated xpvbm areas */
+PERLVAR(Ihe_arenaroot, XPV*) /* list of allocated he areas */
+
+PERLVAR(Ipsig_pend, int *) /* per-signal "count" of pending */
+PERLVARI(Isig_pending, int,0) /* Number if highest signal pending */
+
+
+/* New variables must be added to the very end for binary compatibility.
+ * XSUB.h provides wrapper functions via perlapi.h that make this
+ * irrelevant, but not all code may be expected to #include XSUB.h. */