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8210064: ZGC: Introduce ZConcurrentRootsIterator for scanning a subset of strong IN_NATIVE roots concurrently

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Reviewed-by: pliden, kbarrett
This commit is contained in:
Erik Österlund 2018-10-16 13:14:18 +02:00
parent 5f2b11d373
commit 782fa608d2
13 changed files with 146 additions and 49 deletions
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10
src/hotspot/share/runtime/mutexLocker.cpp
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@ -166,6 +166,16 @@ void assert_locked_or_safepoint(const Monitor * lock) {
fatal("must own lock %s", lock->name());
}
// a weaker assertion than the above
void assert_locked_or_safepoint_weak(const Monitor * lock) {
if (IgnoreLockingAssertions) return;
assert(lock != NULL, "Need non-NULL lock");
if (lock->is_locked()) return;
if (SafepointSynchronize::is_at_safepoint()) return;
if (!Universe::is_fully_initialized()) return;
fatal("must own lock %s", lock->name());
}
// a stronger assertion than the above
void assert_lock_strong(const Monitor * lock) {
if (IgnoreLockingAssertions) return;