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8140257: Add support for "gc service threads" to ConcurrentGCThread

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Push up the common run() and stop() methods from subclasses to ConcurrentGCThread, as well as declaration iof run_service() stop_service().

Reviewed-by: kbarrett, pliden
This commit is contained in:
Derek White 2016-03-11 16:59:58 -05:00
parent 8c894a92ef
commit f6810526ab
15 changed files with 111 additions and 223 deletions
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4
hotspot/src/share/vm/gc/cms/concurrentMarkSweepGeneration.cpp
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@ -1412,7 +1412,7 @@ void CMSCollector::acquire_control_and_collect(bool full,
if (_foregroundGCShouldWait) {
// We are going to be waiting for action for the CMS thread;
// it had better not be gone (for instance at shutdown)!
assert(ConcurrentMarkSweepThread::cmst() != NULL,
assert(ConcurrentMarkSweepThread::cmst() != NULL && !ConcurrentMarkSweepThread::cmst()->has_terminated(),
"CMS thread must be running");
// Wait here until the background collector gives us the go-ahead
ConcurrentMarkSweepThread::clear_CMS_flag(
@ -3648,7 +3648,7 @@ void CMSCollector::abortable_preclean() {
// XXX FIX ME!!! YSR
size_t loops = 0, workdone = 0, cumworkdone = 0, waited = 0;
while (!(should_abort_preclean() ||
ConcurrentMarkSweepThread::should_terminate())) {
ConcurrentMarkSweepThread::cmst()->should_terminate())) {
workdone = preclean_work(CMSPrecleanRefLists2, CMSPrecleanSurvivors2);
cumworkdone += workdone;
loops++;