How to use

singleton

method

in

com.oracle.svm.core.jdk.PlatformNativeLibrarySupport

@Override
public boolean isBuiltinLibrary(String libName) {
  if (PlatformNativeLibrarySupport.singleton().isBuiltinLibrary(libName)) {
    return true;
  }
  String onLoadName = getOnLoadName(libName, true);
  PointerBase onLoad = PlatformNativeLibrarySupport.singleton().findBuiltinSymbol(onLoadName);
  return onLoad.isNonNull();
}

@SubstrateForeignCallTarget
private static int initializeIsolate() {
  int result = CEntryPointErrors.NO_ERROR;
  boolean success = PlatformNativeLibrarySupport.singleton().initializeBuiltinLibraries();
  if (!success) {
    return CEntryPointErrors.ISOLATE_INITIALIZATION_FAILED;
  }
  return result;
}

public boolean isBuiltInFunction() {
  return (PlatformNativeLibrarySupport.singleton().isBuiltinPkgNative(this.getShortName()));
}

NativeLibrary lib = PlatformNativeLibrarySupport.singleton().createLibrary(canonical, asBuiltin);
currentLoadContext.push(lib);
try {