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comparison src/share/vm/gc_implementation/g1/g1SATBCardTableModRefBS.cpp @ 11068:b30744960351

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8014022: G1: Non Java threads should lock the shared SATB queue lock without safepoint checks. Reviewed-by: tschatzl, brutisso, jmasa, ysr Contributed-by: per.liden@oracle.com
author brutisso
date Sun, 30 Jun 2013 21:42:07 +0200
parents f34d701e952e
children 190899198332 d55c004e1d4d
comparison
equal deleted inserted replaced
11067:3ea89789ba39 11068:b30744960351
45 Thread* thr = Thread::current(); 45 Thread* thr = Thread::current();
46 if (thr->is_Java_thread()) { 46 if (thr->is_Java_thread()) {
47 JavaThread* jt = (JavaThread*)thr; 47 JavaThread* jt = (JavaThread*)thr;
48 jt->satb_mark_queue().enqueue(pre_val); 48 jt->satb_mark_queue().enqueue(pre_val);
49 } else { 49 } else {
50 MutexLocker x(Shared_SATB_Q_lock); 50 MutexLockerEx x(Shared_SATB_Q_lock, Mutex::_no_safepoint_check_flag);
51 JavaThread::satb_mark_queue_set().shared_satb_queue()->enqueue(pre_val); 51 JavaThread::satb_mark_queue_set().shared_satb_queue()->enqueue(pre_val);
52 } 52 }
53 } 53 }
54 54
55 template <class T> void 55 template <class T> void