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sync fstring_table for deletion

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Ractors can access this table simultaneously so we need to sync
accesses.
This commit is contained in:
Koichi Sasada 2020-09-16 09:04:13 +09:00
parent 609e6ac0ca
commit dd5db6f5fe
Notes: git 2020-09-18 14:18:21 +09:00 
Merged: https://github.com/ruby/ruby/pull/3548
1 changed files with 7 additions and 2 deletions
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9
string.c
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@ -1378,8 +1378,13 @@ rb_str_free(VALUE str)
{ {
if (FL_TEST(str, RSTRING_FSTR)) { if (FL_TEST(str, RSTRING_FSTR)) {
st_data_t fstr = (st_data_t)str; st_data_t fstr = (st_data_t)str;
st_delete(rb_vm_fstring_table(), &fstr, NULL);
RB_DEBUG_COUNTER_INC(obj_str_fstr); RB_VM_LOCK_ENTER();
{
st_delete(rb_vm_fstring_table(), &fstr, NULL);
RB_DEBUG_COUNTER_INC(obj_str_fstr);
}
RB_VM_LOCK_LEAVE();
} }
if (STR_EMBED_P(str)) { if (STR_EMBED_P(str)) {