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8300032: DwarfParser resource leak

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Reviewed-by: cjplummer, sspitsyn
This commit is contained in:
Daniel Jeliński 2023-01-16 06:56:43 +00:00
parent 12edd6f922
commit fe7fca0128
1 changed files with 7 additions and 3 deletions

10
src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/debugger/linux/amd64/DwarfParser.java

@ -1,5 +1,5 @@
/*
* Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2020, 2023, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2020, NTT DATA.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
@ -30,6 +30,7 @@ import sun.jvm.hotspot.debugger.Address;
import sun.jvm.hotspot.debugger.DebuggerException;
public class DwarfParser {
private static final Cleaner CLEANER = Cleaner.create();
private final long p_dwarf_context; // native dwarf context handle
private static native void init0();
@ -41,6 +42,10 @@ public class DwarfParser {
init0();
}
private static Runnable cleanerFor(long context) {
return () -> DwarfParser.destroyDwarfContext(context);
}
public DwarfParser(Address lib) {
p_dwarf_context = createDwarfContext(lib.asLongValue());
@ -48,8 +53,7 @@ public class DwarfParser {
throw new DebuggerException("Could not create DWARF context");
}
Cleaner.create()
.register(this, () -> DwarfParser.destroyDwarfContext(p_dwarf_context));
CLEANER.register(this, cleanerFor(p_dwarf_context));
}
public boolean isIn(Address pc) {