src/share/vm/oops/method.hpp
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src/share/vm/oops/method.hpp

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*** 338,347 **** --- 338,352 ---- // total store order (TSO) the reference may become visible before // the initialization of data otherwise. OrderAccess::release_store_ptr((volatile void *)&_method_counters, counters); } + bool init_method_counters(MethodCounters* counters) { + // Try to install a pointer to MethodCounters, return true on success. + return Atomic::cmpxchg_ptr(counters, (volatile void*)&_method_counters, NULL) == NULL; + } + #ifdef TIERED // We are reusing interpreter_invocation_count as a holder for the previous event count! // We can do that since interpreter_invocation_count is not used in tiered. int prev_event_count() const { if (method_counters() == NULL) {
src/share/vm/oops/method.hpp
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