They were moved into the XS for threads::shared in 2002 by commit
68795e9367de9848.
PL_op_mutex
PL_regex_pad
PL_regex_padav
- PL_sharedsv_space
- PL_sharedsv_space_mutex
PL_dollarzero_mutex
PL_hints_mutex
PL_my_ctx_mutex
Perl_sys_intern_dup
perl_clone
perl_clone_using
- Perl_sharedsv_find
- Perl_sharedsv_init
- Perl_sharedsv_lock
- Perl_sharedsv_new
- Perl_sharedsv_thrcnt_dec
- Perl_sharedsv_thrcnt_inc
- Perl_sharedsv_unlock
Perl_stashpv_hvname_match
Perl_regdupe_internal
Perl_newPADOP