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| author | Koichi Sasada <ko1@atdot.net> | 2020-10-22 00:36:53 +0900 |
|---|---|---|
| committer | Koichi Sasada <ko1@atdot.net> | 2020-10-22 00:43:44 +0900 |
| commit | 0c0d0752f1fefd9b085f191b62946a811763ef1b (patch) | |
| tree | 17b70a64b83d53becde72478ecca76914285893e /variable.c | |
| parent | 96293784779c000cdb5c07dd80be0dc208f8eeb9 (diff) | |
| download | ruby-0c0d0752f1fefd9b085f191b62946a811763ef1b.tar.gz | |
allow to access ivars of frozen shareable objects
Accessing a shareable object is prohibitted because it can cause
race condition, but if the shareable object is frozen, there is no
problem to access ivars.
Diffstat (limited to 'variable.c')
| -rw-r--r-- | variable.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/variable.c b/variable.c index 795ee3fb0a..8ac40efe80 100644 --- a/variable.c +++ b/variable.c @@ -922,7 +922,8 @@ generic_ivtbl(VALUE obj, ID id, bool force_check_ractor) { ASSERT_vm_locking(); - if ((force_check_ractor || rb_is_instance_id(id)) && // not internal ID + if ((force_check_ractor || LIKELY(rb_is_instance_id(id)) /* not internal ID */ ) && + !RB_OBJ_FROZEN_RAW(obj) && UNLIKELY(!rb_ractor_main_p()) && UNLIKELY(rb_ractor_shareable_p(obj))) { rb_raise(rb_eRuntimeError, "can not access instance variables of shareable objects from non-main Ractors"); |