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97 lines
1.5 KiB
97 lines
1.5 KiB
/*
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* Copyright (c) 2018 - 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 com.facebook.infer.annotation.ThreadSafe;
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class Interprocedural {
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static class A {
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B f = new B();
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int h = 0;
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}
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static class B {
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int g = 0;
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}
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@ThreadSafe
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static class Field {
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private A a = new A();
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private void destabilize() {
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B b = a.f;
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}
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public void unstable_ok() {
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int x = 42;
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destabilize();
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synchronized (this){
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a.f.g = 101;
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}
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x = a.f.g;
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}
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public void stable_bad() {
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int x = 42;
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synchronized (this){
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a.f.g = 101;
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}
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x = a.f.g;
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}
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}
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@ThreadSafe
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static class Param {
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private void destabilize(A z) {
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B b1 = z.f;
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System.out.println(b1);
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}
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public void unstable_ok(A a) {
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int x = 42;
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destabilize(a);
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synchronized (this) {
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a.f.g = 101;
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}
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x = a.f.g;
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}
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public void stable_bad(A a) {
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int x = 42;
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synchronized (this) {
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a.f.g = 101;
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}
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x = a.f.g;
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}
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}
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@ThreadSafe
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static class Param2 {
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private void destabilize(A z) {
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// Do nothing
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}
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public void stable_bad(A a) {
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int x = 42;
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destabilize(a); // a leaks, but shouldn't be de-stabilized because callee does nothing
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synchronized (this) {
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a.f.g = 101;
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}
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x = a.f.g;
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}
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}
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}
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