Mercurial > hg > graal-jvmci-8
diff src/share/vm/utilities/taskqueue.cpp @ 845:df6caf649ff7
6700789: G1: Enable use of compressed oops with G1 heaps
Summary: Modifications to G1 so as to allow the use of compressed oops.
Reviewed-by: apetrusenko, coleenp, jmasa, kvn, never, phh, tonyp
author | ysr |
---|---|
date | Tue, 14 Jul 2009 15:40:39 -0700 |
parents | 0fbdb4381b99 |
children | 2a1472c30599 |
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--- a/src/share/vm/utilities/taskqueue.cpp Fri Jul 10 16:01:20 2009 -0700 +++ b/src/share/vm/utilities/taskqueue.cpp Tue Jul 14 15:40:39 2009 -0700 @@ -64,15 +64,18 @@ } void ParallelTaskTerminator::yield() { + assert(_offered_termination <= _n_threads, "Invariant"); os::yield(); } void ParallelTaskTerminator::sleep(uint millis) { + assert(_offered_termination <= _n_threads, "Invariant"); os::sleep(Thread::current(), millis, false); } bool ParallelTaskTerminator::offer_termination(TerminatorTerminator* terminator) { + assert(_offered_termination < _n_threads, "Invariant"); Atomic::inc(&_offered_termination); uint yield_count = 0; @@ -96,6 +99,7 @@ // Loop waiting for all threads to offer termination or // more work. while (true) { + assert(_offered_termination <= _n_threads, "Invariant"); // Are all threads offering termination? if (_offered_termination == _n_threads) { return true; @@ -151,6 +155,7 @@ if (peek_in_queue_set() || (terminator != NULL && terminator->should_exit_termination())) { Atomic::dec(&_offered_termination); + assert(_offered_termination < _n_threads, "Invariant"); return false; } }