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8332084: Ensure JdkConsoleImpl.restoreEcho visibility in a shutdown hook #19184

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8332084: Ensure JdkConsoleImpl.restoreEcho visibility in a shutdown hook #19184

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43f555e
initial commit
naotoj May 10, 2024
9daf699
Update src/java.base/share/classes/jdk/internal/io/JdkConsoleImpl.java
naotoj May 13, 2024
3e7d2e0
Replaced another unused exception with _
naotoj May 13, 2024
fb5beb1
Addresses a review comment
naotoj May 13, 2024
898c609
get/setEcho()
naotoj May 14, 2024
e178f0d
Merge branch 'master' into JDK-8332084-restoreEcho-readLock
naotoj May 14, 2024
82d30b3
copyright year
naotoj May 14, 2024
56d95e3
Merge branch 'master' into JDK-8332084-restoreEcho-readLock
naotoj May 16, 2024
e58fbdc
Merge branch 'master' into JDK-8332084-restoreEcho-readLock
naotoj May 20, 2024
f69f747
Used a dedicate lock for restoreEcho
naotoj May 21, 2024
69ec27d
Merge branch 'master' into JDK-8332084-restoreEcho-readLock
naotoj May 24, 2024
d4b6e69
Added comment for restoreEchoLock
naotoj May 24, 2024
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16 changes: 9 additions & 7 deletions src/java.base/share/classes/jdk/internal/io/JdkConsoleImpl.java
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Original file line number Diff line number Diff line change
Expand Up @@ -125,7 +125,7 @@ public char[] readPassword(String fmt, Object ... args) {
if (reader instanceof LineReader lr) {
lr.zeroOut();
}
} catch (IOException x) {
} catch (IOException _) {
// ignore
}
throw ioe;
Expand All @@ -148,14 +148,16 @@ private void installShutdownHook() {
false /* only register if shutdown is not in progress */,
new Runnable() {
public void run() {
try {
if (restoreEcho) {
echo(true);
}
} catch (IOException x) { }
synchronized(readLock) {
try {
if (restoreEcho) {
echo(true);
}
} catch (IOException _) { }
}
}
});
} catch (IllegalStateException e) {
} catch (IllegalStateException _) {
// shutdown is already in progress and readPassword is first used
// by a shutdown hook
}
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