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8047290: Make Mutex::_no_safepoint_check_flag locks verify that this lock never checks for safepoint

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Ensure consistent safepoint checking in Mutex/Monitor locking methods.

Reviewed-by: dholmes, dcubed, coleenp
This commit is contained in:
Max Ockner 2014-12-11 21:34:43 -05:00 • committed by Coleen Phillimore
parent bb30bd7e0a
commit 1d76295d70
32 changed files with 447 additions and 134 deletions
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5
hotspot/src/share/vm/gc_implementation/g1/concurrentG1RefineThread.cpp
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -52,7 +52,8 @@ ConcurrentG1RefineThread(ConcurrentG1Refine* cg1r, ConcurrentG1RefineThread *nex
// The 0th worker in notified by mutator threads and has a special monitor.
// The last worker is used for young gen rset size sampling.
if (worker_id > 0) {
_monitor = new Monitor(Mutex::nonleaf, "Refinement monitor", true);
_monitor = new Monitor(Mutex::nonleaf, "Refinement monitor", true,
Monitor::_safepoint_check_never);
} else {
_monitor = DirtyCardQ_CBL_mon;
}