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8288064: Class initialization locking

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Reviewed-by: rehn, vlivanov
This commit is contained in:
Coleen Phillimore 2022-06-16 12:38:06 +00:00
parent 3d12c0225b
commit cf4a4966a8
14 changed files with 140 additions and 172 deletions
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5
src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/oops/InstanceKlass.java
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@ -60,6 +60,7 @@ public class InstanceKlass extends Klass {
// ClassState constants
private static int CLASS_STATE_ALLOCATED;
private static int CLASS_STATE_LOADED;
private static int CLASS_STATE_BEING_LINKED;
private static int CLASS_STATE_LINKED;
private static int CLASS_STATE_BEING_INITIALIZED;
private static int CLASS_STATE_FULLY_INITIALIZED;
@ -118,6 +119,7 @@ public class InstanceKlass extends Klass {
// read ClassState constants
CLASS_STATE_ALLOCATED = db.lookupIntConstant("InstanceKlass::allocated").intValue();
CLASS_STATE_LOADED = db.lookupIntConstant("InstanceKlass::loaded").intValue();
CLASS_STATE_BEING_LINKED = db.lookupIntConstant("InstanceKlass::being_linked").intValue();
CLASS_STATE_LINKED = db.lookupIntConstant("InstanceKlass::linked").intValue();
CLASS_STATE_BEING_INITIALIZED = db.lookupIntConstant("InstanceKlass::being_initialized").intValue();
CLASS_STATE_FULLY_INITIALIZED = db.lookupIntConstant("InstanceKlass::fully_initialized").intValue();
@ -184,6 +186,7 @@ public class InstanceKlass extends Klass {
public static class ClassState {
public static final ClassState ALLOCATED = new ClassState("allocated");
public static final ClassState LOADED = new ClassState("loaded");
public static final ClassState BEING_LINKED = new ClassState("beingLinked");
public static final ClassState LINKED = new ClassState("linked");
public static final ClassState BEING_INITIALIZED = new ClassState("beingInitialized");
public static final ClassState FULLY_INITIALIZED = new ClassState("fullyInitialized");
@ -207,6 +210,8 @@ public class InstanceKlass extends Klass {
return ClassState.ALLOCATED;
} else if (state == CLASS_STATE_LOADED) {
return ClassState.LOADED;
} else if (state == CLASS_STATE_BEING_LINKED) {
return ClassState.BEING_LINKED;
} else if (state == CLASS_STATE_LINKED) {
return ClassState.LINKED;
} else if (state == CLASS_STATE_BEING_INITIALIZED) {