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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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2
hotspot/src/share/vm/gc_implementation/g1/heapRegionRemSet.cpp
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@ -840,7 +840,7 @@ uint HeapRegionRemSet::num_par_rem_sets() {
HeapRegionRemSet::HeapRegionRemSet(G1BlockOffsetSharedArray* bosa,
HeapRegion* hr)
: _bosa(bosa),
_m(Mutex::leaf, FormatBuffer<128>("HeapRegionRemSet lock #%u", hr->hrm_index()), true),
_m(Mutex::leaf, FormatBuffer<128>("HeapRegionRemSet lock #%u", hr->hrm_index()), true, Monitor::_safepoint_check_never),
_code_roots(), _other_regions(hr, &_m), _iter_state(Unclaimed), _iter_claimed(0) {
reset_for_par_iteration();
}