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8159073: : Error handling incomplete when creating GC threads lazily

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Reviewed-by: drwhite, tschatzl, sangheki
This commit is contained in:
Jon Masamitsu 2016-06-08 14:11:51 -07:00
parent a3cd491780
commit d618ceab2e
12 changed files with 53 additions and 23 deletions
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7
hotspot/src/share/vm/gc/cms/concurrentMarkSweepGeneration.cpp
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@ -2888,7 +2888,10 @@ void CMSCollector::checkpointRootsInitialWork() {
CMSParInitialMarkTask tsk(this, &srs, n_workers);
initialize_sequential_subtasks_for_young_gen_rescan(n_workers);
if (n_workers > 1) {
// If the total workers is greater than 1, then multiple workers
// may be used at some time and the initialization has been set
// such that the single threaded path cannot be used.
if (workers->total_workers() > 1) {
workers->run_task(&tsk);
} else {
tsk.work(0);
@ -3507,7 +3510,7 @@ bool CMSCollector::do_marking_mt() {
uint num_workers = AdaptiveSizePolicy::calc_active_conc_workers(conc_workers()->total_workers(),
conc_workers()->active_workers(),
Threads::number_of_non_daemon_threads());
conc_workers()->set_active_workers(num_workers);
num_workers = conc_workers()->update_active_workers(num_workers);
CompactibleFreeListSpace* cms_space = _cmsGen->cmsSpace();