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8068272: Extend WhiteBox API with methods that check monitor state and force safepoint

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Reviewed-by: kvn, iignatyev
This commit is contained in:
Filipp Zhinkin 2014-12-30 11:07:49 +03:00
parent ea23edb88a
commit 398f9958d6
1 changed files with 12 additions and 0 deletions
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12
hotspot/src/share/vm/prims/whitebox.cpp
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@ -1123,6 +1123,16 @@ WB_ENTRY(void, WB_AssertMatchingSafepointCalls(JNIEnv* env, jobject o, jboolean
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 @@ static JNINativeMethod methods[] = {
{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