8233520: Shenandoah: do not sleep when thread is attaching
Reviewed-by: rkennke
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@ -238,6 +238,15 @@ void ShenandoahPacer::pace_for_alloc(size_t words) {
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return;
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}
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// Threads that are attaching should not block at all: they are not
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// fully initialized yet. Calling sleep() on them would be awkward.
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// This is probably the path that allocates the thread oop itself.
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// Forcefully claim without waiting.
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if (JavaThread::current()->is_attaching_via_jni()) {
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claim_for_alloc(words, true);
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return;
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}
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size_t max = ShenandoahPacingMaxDelay;
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double start = os::elapsedTime();
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