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Add WB_PROTECTED to mutexes 

mutex_mark is (basically) NULL, so we don't have any references to mark.
This means we should safely be able to mark Mutex as WB_PROTECTED
without changing anything else.
This commit is contained in:
John Hawthorn 2021-09-15 02:40:42 -07:00 committed by Koichi Sasada
parent 34d6720fee
commit 5a048829a4
Notes: git 2021-09-17 10:04:01 +09:00 
Merged: https://github.com/ruby/ruby/pull/4852
1 changed files with 1 additions and 1 deletions
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2
thread_sync.c
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@ -125,7 +125,7 @@ mutex_memsize(const void *ptr)
static const rb_data_type_t mutex_data_type = {
"mutex",
{mutex_mark, mutex_free, mutex_memsize,},
0, 0, RUBY_TYPED_FREE_IMMEDIATELY
0, 0, RUBY_TYPED_WB_PROTECTED | RUBY_TYPED_FREE_IMMEDIATELY
};
static rb_mutex_t *