src/share/vm/prims/whitebox.cpp
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8047290 Cdiff src/share/vm/prims/whitebox.cpp
src/share/vm/prims/whitebox.cpp
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*** 874,883 ****
--- 874,890 ----
WB_ENTRY(jlong, WB_MetaspaceCapacityUntilGC(JNIEnv* env, jobject wb))
return (jlong) MetaspaceGC::capacity_until_GC();
WB_END
+ WB_ENTRY(void, WB_AssertMatchingSafepointCalls(JNIEnv* env, jobject o, jboolean mutexSafepointValue, jboolean attemptedNoSafepointValue))
+ Monitor::SafepointCheckRequired sfpt_check_required = mutexSafepointValue ?
+ Monitor::_safepoint_check_always :
+ Monitor::_safepoint_check_never;
+ MutexLockerEx ml(new Mutex(Mutex::leaf, "SFPT_Test_lock", true, sfpt_check_required),
+ attemptedNoSafepointValue == JNI_TRUE );
+ 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) {
assert(field_name != NULL && strlen(field_name) > 0, "Field name not valid");
Thread* THREAD = Thread::current();
*** 1053,1062 ****
--- 1060,1070 ----
{CC"getCPUFeatures", CC"()Ljava/lang/String;", (void*)&WB_GetCPUFeatures },
{CC"getNMethod", CC"(Ljava/lang/reflect/Executable;Z)[Ljava/lang/Object;",
(void*)&WB_GetNMethod },
{CC"getThreadStackSize", CC"()J", (void*)&WB_GetThreadStackSize },
{CC"getThreadRemainingStackSize", CC"()J", (void*)&WB_GetThreadRemainingStackSize },
+ {CC"assertMatchingSafepointCalls", CC"(ZZ)V", (void*)&WB_AssertMatchingSafepointCalls },
};
#undef CC
JVM_ENTRY(void, JVM_RegisterWhiteBoxMethods(JNIEnv* env, jclass wbclass))
src/share/vm/prims/whitebox.cpp
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