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review: add one more clarification in a comment

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Serguei Spitsyn 2026-02-26 14:42:05 -08:00
parent cd6dc95e57
commit 2eea0ed91d
1 changed files with 5 additions and 1 deletions
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6
src/hotspot/share/prims/jvmtiEventController.cpp
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@ -376,9 +376,13 @@ void JvmtiEventControllerPrivate::enter_interp_only_mode(JvmtiThreadState *state
}
// This flag will be cleared in EnterInterpOnlyModeClosure handshake.
state->set_pending_interp_only_mode(true);
// There are two cases when entering interp_only_mode is postponed:
// 1. Unmounted virtual thread - EnterInterpOnlyModeClosure::do_thread will be executed at mount;
// 2. Carrier thread with mounted virtual thread - EnterInterpOnlyModeClosure::do_thread will be executed at unmount.
if (target == nullptr || // an unmounted virtual thread
JvmtiEnvBase::is_thread_carrying_vthread(target, state->get_thread_oop())) { // a vthread carrying thread
return; // EnterInterpOnlyModeClosure will be executed right after mount.
return; // EnterInterpOnlyModeClosure will be executed right after mount or unmount.
}
EnterInterpOnlyModeClosure hs(state);
if (target->is_handshake_safe_for(current)) {