/* Per-thread variables */
/* Important ones in the first cache line (if alignment is done right) */
+
PERLVAR(Tstack_sp, SV **)
#ifdef OP_IN_REGISTER
PERLVAR(Topsave, OP *)
PERLVAR(Top, OP *)
#endif
PERLVAR(Tcurpad, SV **)
-PERLVAR(Tstack_base, SV **)
+PERLVAR(Tstack_base, SV **)
PERLVAR(Tstack_max, SV **)
PERLVAR(Tscopestack, I32 *)
PERLVAR(Tmarkstack_ptr, I32 *)
PERLVAR(Tmarkstack_max, I32 *)
-PERLVAR(TSv, SV *)
-PERLVAR(TXpv, XPV *)
-PERLVAR(Tstatbuf, struct stat)
+PERLVAR(TSv, SV *)
+PERLVAR(TXpv, XPV *)
+PERLVAR(Tstatbuf, Stat_t)
#ifdef HAS_TIMES
PERLVAR(Ttimesbuf, struct tms)
#endif
-/* XXX What about regexp stuff? */
-
/* Now the fields that used to be "per interpreter" (even when global) */
/* Fields used by magic variables such as $@, $/ and so on */
-PERLVAR(Ttainted, bool)
-PERLVAR(Tcurpm, PMOP *)
+PERLVAR(Ttainted, bool) /* using variables controlled by $< */
+PERLVAR(Tcurpm, PMOP *) /* what to do \ interps from */
PERLVAR(Tnrs, SV *)
-PERLVAR(Trs, SV *)
+PERLVAR(Trs, SV *) /* $/ */
PERLVAR(Tlast_in_gv, GV *)
-PERLVAR(Tofs, char *)
+PERLVAR(Tofs, char *) /* $, */
PERLVAR(Tofslen, STRLEN)
PERLVAR(Tdefoutgv, GV *)
-PERLVAR(Tchopset, char *)
+PERLVARI(Tchopset, char *, " \n-") /* $: */
PERLVAR(Tformtarget, SV *)
PERLVAR(Tbodytarget, SV *)
PERLVAR(Ttoptarget, SV *)
- /* Stashes */
-PERLVAR(Tdefstash, HV *)
-PERLVAR(Tcurstash, HV *)
+/* Stashes */
+PERLVAR(Tdefstash, HV *) /* main symbol table */
+PERLVAR(Tcurstash, HV *) /* symbol table for current package */
- /* Stacks */
+/* Stacks */
PERLVAR(Ttmps_stack, SV **)
-PERLVAR(Ttmps_ix, I32)
-PERLVAR(Ttmps_floor, I32)
+PERLVARI(Ttmps_ix, I32, -1)
+PERLVARI(Ttmps_floor, I32, -1)
PERLVAR(Ttmps_max, I32)
-PERLVAR(Tin_eval, int)
-PERLVAR(Trestartop, OP *)
-PERLVAR(Tdelaymagic, int)
-PERLVAR(Tdirty, bool)
-PERLVAR(Tlocalizing, U8)
-PERLVAR(Tcurcop, COP *)
+PERLVAR(Trestartop, OP *) /* Are we propagating an error from croak? */
+PERLVARI(Tcurcop, COP * VOL, &compiling)
+PERLVAR(Tin_eval, VOL int) /* trap "fatal" errors? */
+PERLVAR(Tdelaymagic, int) /* ($<,$>) = ... */
+PERLVAR(Tdirty, bool) /* In the middle of tearing things down? */
+PERLVAR(Tlocalizing, int) /* are we processing a local() list? */
PERLVAR(Tcxstack, PERL_CONTEXT *)
-PERLVAR(Tcxstack_ix, I32)
-PERLVAR(Tcxstack_max, I32)
+PERLVARI(Tcxstack_ix, I32, -1)
+PERLVARI(Tcxstack_max, I32, 128)
-PERLVAR(Tcurstack, AV *)
-PERLVAR(Tmainstack, AV *)
-PERLVAR(Ttop_env, JMPENV *)
-PERLVAR(Tstart_env, JMPENV) /* Top of top_env longjmp() chain */
+PERLVAR(Tcurstack, AV *) /* THE STACK */
+PERLVAR(Tmainstack, AV *) /* the stack when nothing funny is happening */
+PERLVAR(Ttop_env, JMPENV *) /* ptr. to current sigjmp() environment */
+PERLVAR(Tstart_env, JMPENV) /* empty startup sigjmp() environment */
/* XXX Sort stuff, firstgv secongv and so on? */
+/* XXX What about regexp stuff? */
+
+#ifdef USE_THREADS
PERLVAR(oursv, SV *)
PERLVAR(cvcache, HV *)
PERLVAR(self, perl_os_thread) /* Underlying thread object */
PERLVAR(flags, U32)
PERLVAR(threadsv, AV *) /* Per-thread SVs ($_, $@ etc.) */
+PERLVAR(threadsvp, SV **) /* AvARRAY(threadsv) */
PERLVAR(specific, AV *) /* Thread-specific user data */
PERLVAR(errsv, SV *) /* Backing SV for $@ */
PERLVAR(errhv, HV *) /* HV for what was %@ in pp_ctl.c */
PERLVAR(trailing_nul, char) /* For the sake of thrsv and oursv */
+#endif /* USE_THREADS */