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67 lines
1.2 KiB
67 lines
1.2 KiB
/*
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* Copyright (c) 2016 - present Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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package codetoanalyze.java.checkers;
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import javax.annotation.concurrent.ThreadSafe;
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class OurThreadUtils{
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void assertMainThread(){}
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void assertHoldsLock(Object lock){}
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}
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@ThreadSafe
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class RaceWithMainThread{
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Integer f;
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OurThreadUtils o;
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void main_thread_OK(){
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o.assertMainThread();
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f = 88;
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}
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void main_thread_indirect_OK() {
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main_thread_OK();
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f = 77;
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}
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void read_from_main_thread_OK(){
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Integer x;
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o.assertMainThread();
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x = f;
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}
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void read_unprotected_unthreaded_Bad(){
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Integer x;
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x = f;
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}
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/*TODO: There should be a warning either here or in main_thread_OK()
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or maybe even in both.*/
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void read_protected_unthreaded_Bad_FN(){
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Integer x;
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synchronized (this){
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x = f;
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}
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}
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Integer g;
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void holds_lock_OK(){
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o.assertHoldsLock(this);
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g = 88;
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}
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void holds_lock_indirect_OK() {
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holds_lock_OK();
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g = 77;
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}
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}
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