PERLVAR(Icurstname, SV *) /* name of current package */
PERLVAR(Ibeginav, AV *) /* names of BEGIN subroutines */
PERLVAR(Iendav, AV *) /* names of END subroutines */
+PERLVAR(Istopav, AV *) /* names of STOP subroutines */
PERLVAR(Iinitav, AV *) /* names of INIT subroutines */
PERLVAR(Istrtab, HV *) /* shared string table */
PERLVARI(Isub_generation,U32,1) /* incr to invalidate method cache */
PERLVAR(ISock, struct IPerlSock*)
PERLVAR(IProc, struct IPerlProc*)
#endif
+
+#if defined(USE_ITHREADS)
+PERLVAR(Isv_table, SVTBL*)
+#endif