8068272: Extend WhiteBox API with methods that check monitor state and force safepoint
Reviewed-by: kvn, iignatyev
--- a/hotspot/src/share/vm/prims/whitebox.cpp Thu Dec 25 15:57:38 2014 +0300
+++ b/hotspot/src/share/vm/prims/whitebox.cpp Tue Dec 30 11:07:49 2014 +0300
@@ -1123,6 +1123,16 @@
attemptedNoSafepointValue == JNI_TRUE);
WB_END
+WB_ENTRY(jboolean, WB_IsMonitorInflated(JNIEnv* env, jobject wb, jobject obj))
+ oop obj_oop = JNIHandles::resolve(obj);
+ return (jboolean) obj_oop->mark()->has_monitor();
+WB_END
+
+WB_ENTRY(void, WB_ForceSafepoint(JNIEnv* env, jobject wb))
+ VM_ForceSafepoint force_safepoint_op;
+ VMThread::execute(&force_safepoint_op);
+WB_END
+
//Some convenience methods to deal with objects from java
int WhiteBox::offset_for_field(const char* field_name, oop object,
Symbol* signature_symbol) {
@@ -1321,6 +1331,8 @@
{CC"getThreadStackSize", CC"()J", (void*)&WB_GetThreadStackSize },
{CC"getThreadRemainingStackSize", CC"()J", (void*)&WB_GetThreadRemainingStackSize },
{CC"assertMatchingSafepointCalls", CC"(ZZ)V", (void*)&WB_AssertMatchingSafepointCalls },
+ {CC"isMonitorInflated", CC"(Ljava/lang/Object;)Z", (void*)&WB_IsMonitorInflated },
+ {CC"forceSafepoint", CC"()V", (void*)&WB_ForceSafepoint },
};
#undef CC