ALLOC_THREAD_KEY; \
PERL_SET_THX(my_perl); \
OP_REFCNT_INIT; \
+ MUTEX_INIT(&PL_dollarzero_mutex); \
} \
else { \
PERL_SET_THX(my_perl); \
/* Init the real globals (and main thread)? */
if (!PL_linestr) {
-#ifdef USE_ITHREADS
- MUTEX_INIT(&PL_dollarzero_mutex); /* for $0 modifying */
-#endif
#ifdef PERL_FLEXIBLE_EXCEPTIONS
PL_protect = MEMBER_TO_FPTR(Perl_default_protect); /* for exceptions */
#endif