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8275730: Relax memory constraint on MultiThreadedRefCounter

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Reviewed-by: mgronlun, minqi
This commit is contained in:
Zhengyu Gu 2021-11-03 12:08:37 +00:00
parent 615063364a
commit a316c06e03
1 changed files with 3 additions and 3 deletions
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6
src/hotspot/share/jfr/utilities/jfrRefCountPointer.hpp
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@ -112,15 +112,15 @@ class MultiThreadedRefCounter {
MultiThreadedRefCounter() : _refs(0) {}
void inc() const {
Atomic::add(&_refs, 1);
Atomic::inc(&_refs, memory_order_relaxed);
}
bool dec() const {
return 0 == Atomic::add(&_refs, (-1));
return 0 == Atomic::sub(&_refs, 1, memory_order_relaxed);
}
intptr_t current() const {
return _refs;
return Atomic::load(&_refs);
}
};