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8365190: Remove LockingMode related code from share #27041

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8365190: Remove LockingMode related code from share #27041

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8365190: Remove LockingMode related code from share
fbredber Sep 1, 2025
3c1b56c
Update after review
fbredber Sep 4, 2025
f2fc9a5
New version for Coleen
fbredber Sep 4, 2025
905ef3f
New version for David
fbredber Sep 8, 2025
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16 changes: 7 additions & 9 deletions src/hotspot/share/runtime/lightweightSynchronizer.cpp
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Expand Up @@ -765,15 +765,13 @@ void LightweightSynchronizer::exit(oop object, BasicLock* lock, JavaThread* curr
monitor->exit(current);
}

// LightweightSynchronizer::inflate_locked_or_imse is used to to get an inflated
// ObjectMonitor*. It is used from contexts which require an inflatedmonitor,
// and expects to throw a java.lang.IllegalMonitorStateException if it is not
// held by the current thread. Such as notify/wait and jni_exit.
// Lightweight locking keeps it invariant that it only inflates if it is already
// locked by the current thread or the current thread is in the process of entering.
// To maintain this invariant we need to throw a java.lang.IllegalMonitorStateException
// before inflating if the current thread is not the owner.
// LightweightSynchronizer::inflate_locked_or_imse facilitates this.
// LightweightSynchronizer::inflate_locked_or_imse is used to to get an
// inflated ObjectMonitor* from contexts which require that, such as
// notify/wait and jni_exit. Lightweight locking keeps the invariant that it
// only inflates if it is already locked by the current thread or the current
// thread is in the process of entering. To maintain this invariant we need to
// throw a java.lang.IllegalMonitorStateException before inflating if the
// current thread is not the owner.
ObjectMonitor* LightweightSynchronizer::inflate_locked_or_imse(oop obj, ObjectSynchronizer::InflateCause cause, TRAPS) {
JavaThread* current = THREAD;

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