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8234796: Refactor Handshake::execute to take a more complex type than ThreadClosure

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Reviewed-by: dholmes, pliden, coleenp
This commit is contained in:
Robbin Ehn 2019-12-03 15:32:41 +01:00
parent 095d77acf0
commit 21e03e71aa
36 changed files with 95 additions and 50 deletions
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9
src/hotspot/share/runtime/vmThread.cpp
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@ -413,9 +413,10 @@ void VMThread::evaluate_operation(VM_Operation* op) {
static VM_None safepointALot_op("SafepointALot");
static VM_Cleanup cleanup_op;
class HandshakeALotTC : public ThreadClosure {
class HandshakeALotClosure : public HandshakeClosure {
public:
virtual void do_thread(Thread* thread) {
HandshakeALotClosure() : HandshakeClosure("HandshakeALot") {}
void do_thread(Thread* thread) {
#ifdef ASSERT
assert(thread->is_Java_thread(), "must be");
JavaThread* jt = (JavaThread*)thread;
@ -432,8 +433,8 @@ void VMThread::check_for_forced_cleanup() {
VM_Operation* VMThread::no_op_safepoint() {
// Check for handshakes first since we may need to return a VMop.
if (HandshakeALot) {
HandshakeALotTC haltc;
Handshake::execute(&haltc);
HandshakeALotClosure hal_cl;
Handshake::execute(&hal_cl);
}
// Check for a cleanup before SafepointALot to keep stats correct.
long interval_ms = SafepointTracing::time_since_last_safepoint_ms();