Mercurial > hg > truffle
comparison agent/src/share/native/jvmdi/sa.dsp @ 441:da9cb4e97a5f
6770608: G1: Mutator thread can flush barrier and satb queues during safepoint
6660573: G1: BigApps Failure : guarantee(satb_mq_set.completed_buffers_num() == 0,"invariant")
Summary: When exiting a mutator thread is removed from the thread list before it has a chance to flush its SATB and barrier queues. If GC happens at this moment the objects that are refererred from these queues can be moved, which will case a crash. The fix is simply to flush the buffers before removing a thread from the list.
Reviewed-by: jcoomes, tonyp
author | iveresov |
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date | Fri, 14 Nov 2008 14:23:05 -0800 |
parents | a61af66fc99e |
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440:96c6da8f095c | 441:da9cb4e97a5f |
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