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8322846: Running with -Djdk.tracePinnedThreads set can hang

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Reviewed-by: jpai
This commit is contained in:
Alan Bateman 2024-01-06 18:24:28 +00:00
parent ace010b38a
commit faa9c6909d
3 changed files with 116 additions and 28 deletions
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10
src/java.base/share/classes/java/lang/VirtualThread.java
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@ -191,7 +191,15 @@ final class VirtualThread extends BaseVirtualThread {
protected void onPinned(Continuation.Pinned reason) {
if (TRACE_PINNING_MODE > 0) {
boolean printAll = (TRACE_PINNING_MODE == 1);
PinnedThreadPrinter.printStackTrace(System.out, printAll);
VirtualThread vthread = (VirtualThread) Thread.currentThread();
int oldState = vthread.state();
try {
// avoid printing when in transition states
vthread.setState(RUNNING);
PinnedThreadPrinter.printStackTrace(System.out, reason, printAll);
} finally {
vthread.setState(oldState);
}
}
}
private static Runnable wrap(VirtualThread vthread, Runnable task) {