src/share/vm/prims/whitebox.cpp

rev 12504 : [mq]: whitebox

*** 353,362 ****
--- 353,373 ----
  WB_ENTRY(jlong, WB_GetHeapAlignment(JNIEnv* env, jobject o))
    size_t alignment = Universe::heap()->collector_policy()->heap_alignment();
    return (jlong)alignment;
  WB_END
  
+ WB_ENTRY(jboolean, WB_SupportsConcurrentGCPhaseControl(JNIEnv* env, jobject o))
+   return Universe::heap()->supports_concurrent_phase_control();
+ WB_END
+ 
+ WB_ENTRY(jboolean, WB_RequestConcurrentGCPhase(JNIEnv* env, jobject o, jstring name))
+   Handle h_name(THREAD, JNIHandles::resolve(name));
+   ResourceMark rm;
+   const char* c_name = java_lang_String::as_utf8_string(h_name());
+   return Universe::heap()->request_concurrent_phase(c_name);
+ WB_END
+ 
  #if INCLUDE_ALL_GCS
  WB_ENTRY(jboolean, WB_G1IsHumongous(JNIEnv* env, jobject o, jobject obj))
    G1CollectedHeap* g1 = G1CollectedHeap::heap();
    oop result = JNIHandles::resolve(obj);
    const HeapRegion* hr = g1->heap_region_containing(result);
*** 1903,1912 ****
--- 1914,1926 ----
                                                        (void*)&WB_AddCompilerDirective },
    {CC"removeCompilerDirective",   CC"(I)V",             (void*)&WB_RemoveCompilerDirective },
    {CC"currentGC",                 CC"()I",            (void*)&WB_CurrentGC},
    {CC"allSupportedGC",            CC"()I",            (void*)&WB_AllSupportedGC},
    {CC"gcSelectedByErgo",          CC"()Z",            (void*)&WB_GCSelectedByErgo},
+   {CC"supportsConcurrentGCPhaseControl", CC"()Z",     (void*)&WB_SupportsConcurrentGCPhaseControl},
+   {CC"requestConcurrentGCPhase0", CC"(Ljava/lang/String;)Z",
+                                                       (void*)&WB_RequestConcurrentGCPhase},
  };
  
  #undef CC
  
  JVM_ENTRY(void, JVM_RegisterWhiteBoxMethods(JNIEnv* env, jclass wbclass))