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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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hotspot/src/share/vm/memory/sharedHeap.cpp
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@ -152,7 +152,7 @@ SharedHeap::StrongRootsScope::~StrongRootsScope() {
}
}
Monitor* SharedHeap::StrongRootsScope::_lock = new Monitor(Mutex::leaf, "StrongRootsScope lock", false);
Monitor* SharedHeap::StrongRootsScope::_lock = new Monitor(Mutex::leaf, "StrongRootsScope lock", false, Monitor::_safepoint_check_never);
void SharedHeap::StrongRootsScope::mark_worker_done_with_threads(uint n_workers) {
// The Thread work barrier is only needed by G1 Class Unloading.