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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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32
hotspot/src/share/vm/gc/g1/concurrentG1RefineThread.cpp
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@ -78,7 +78,7 @@ void ConcurrentG1RefineThread::initialize() {
void ConcurrentG1RefineThread::wait_for_completed_buffers() {
DirtyCardQueueSet& dcqs = JavaThread::dirty_card_queue_set();
MutexLockerEx x(_monitor, Mutex::_no_safepoint_check_flag);
while (!_should_terminate && !is_active()) {
while (!should_terminate() && !is_active()) {
_monitor->wait(Mutex::_no_safepoint_check_flag);
}
}
@ -109,22 +109,13 @@ void ConcurrentG1RefineThread::deactivate() {
}
}
void ConcurrentG1RefineThread::run() {
initialize_in_thread();
wait_for_universe_init();
run_service();
terminate();
}
void ConcurrentG1RefineThread::run_service() {
_vtime_start = os::elapsedVTime();
while (!_should_terminate) {
while (!should_terminate()) {
// Wait for work
wait_for_completed_buffers();
if (_should_terminate) {
if (should_terminate()) {
break;
}
@ -168,23 +159,6 @@ void ConcurrentG1RefineThread::run_service() {
log_debug(gc, refine)("Stopping %d", _worker_id);
}
void ConcurrentG1RefineThread::stop() {
// it is ok to take late safepoints here, if needed
{
MutexLockerEx mu(Terminator_lock);
_should_terminate = true;
}
stop_service();
{
MutexLockerEx mu(Terminator_lock);
while (!_has_terminated) {
Terminator_lock->wait();
}
}
}
void ConcurrentG1RefineThread::stop_service() {
MutexLockerEx x(_monitor, Mutex::_no_safepoint_check_flag);
_monitor->notify();