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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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3
hotspot/src/share/vm/runtime/thread.cpp
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@ -230,7 +230,8 @@ Thread::Thread() {
_visited_for_critical_count = false;
#endif
_SR_lock = new Monitor(Mutex::suspend_resume, "SR_lock", true);
_SR_lock = new Monitor(Mutex::suspend_resume, "SR_lock", true,
Monitor::_safepoint_check_sometimes);
_suspend_flags = 0;
// thread-specific hashCode stream generator state - Marsaglia shift-xor form