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33 lines
656 B
33 lines
656 B
/*
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* Copyright (c) 2018-present, Facebook, Inc.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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class StaticLock {
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static synchronized void staticSynced() {}
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void lockSameClassOneWayOk() {
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synchronized (StaticLock.class) {
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staticSynced();
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}
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}
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static synchronized void lockSameClassAnotherWayOk() {
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synchronized (StaticLock.class) {
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}
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}
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void lockOtherClassOneWayBad() {
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synchronized (StaticLock.class) {
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synchronized (this) {
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}
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}
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}
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synchronized void lockOtherClassAnotherWayNad() {
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staticSynced();
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}
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}
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