diff options
Diffstat (limited to 'variable.c')
| -rw-r--r-- | variable.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/variable.c b/variable.c index 82918037f9..8c29fbdf3b 100644 --- a/variable.c +++ b/variable.c @@ -40,6 +40,7 @@ #include "vm_sync.h" RUBY_EXTERN rb_serial_t ruby_vm_global_cvar_state; +#define GET_GLOBAL_CVAR_STATE() (ruby_vm_global_cvar_state) typedef void rb_gvar_compact_t(void *var); @@ -3399,6 +3400,24 @@ rb_cvar_set(VALUE klass, ID id, VALUE val) int result = rb_class_ivar_set(target, id, val); + struct rb_id_table *rb_cvc_tbl = RCLASS_CVC_TBL(target); + + if (!rb_cvc_tbl) { + rb_cvc_tbl = RCLASS_CVC_TBL(target) = rb_id_table_create(2); + } + + struct rb_cvar_class_tbl_entry *ent; + + if (!rb_id_table_lookup(rb_cvc_tbl, id, (VALUE*)&ent)) { + ent = ALLOC(struct rb_cvar_class_tbl_entry); + ent->class_value = target; + ent->global_cvar_state = GET_GLOBAL_CVAR_STATE(); + rb_id_table_insert(rb_cvc_tbl, id, (VALUE)ent); + RB_DEBUG_COUNTER_INC(cvar_inline_miss); + } else { + ent->global_cvar_state = GET_GLOBAL_CVAR_STATE(); + } + // Break the cvar cache if this is a new class variable // and target is a module or a subclass with the same // cvar in this lookup. |