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comparison src/share/vm/services/memPtr.cpp @ 7971:4102b59539ce

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8005012: Add WB APIs to better support NMT testing Summary: Add WB API functions to enable better NMT testing Reviewed-by: dholmes, zgu
author ctornqvi
date Fri, 01 Feb 2013 23:48:08 +0100
parents 716c64bda5ba
children baa7927dfbd2
comparison
equal deleted inserted replaced
7962:4c75576d18d0 7971:4102b59539ce
25 #include "precompiled.hpp" 25 #include "precompiled.hpp"
26 #include "services/memPtr.hpp" 26 #include "services/memPtr.hpp"
27 #include "services/memTracker.hpp" 27 #include "services/memTracker.hpp"
28 28
29 volatile jint SequenceGenerator::_seq_number = 1; 29 volatile jint SequenceGenerator::_seq_number = 1;
30 volatile unsigned long SequenceGenerator::_generation = 1;
30 NOT_PRODUCT(jint SequenceGenerator::_max_seq_number = 1;) 31 NOT_PRODUCT(jint SequenceGenerator::_max_seq_number = 1;)
31 DEBUG_ONLY(volatile unsigned long SequenceGenerator::_generation = 0;)
32 32
33 jint SequenceGenerator::next() { 33 jint SequenceGenerator::next() {
34 jint seq = Atomic::add(1, &_seq_number); 34 jint seq = Atomic::add(1, &_seq_number);
35 if (seq < 0) { 35 if (seq < 0) {
36 MemTracker::shutdown(MemTracker::NMT_sequence_overflow); 36 MemTracker::shutdown(MemTracker::NMT_sequence_overflow);