src/java.base/share/classes/java/lang/System.java

rev 55657 : 8227587: Add internal privileged System.loadLibrary
Reviewed-by: rriggs

*** 2272,2279 ****
--- 2272,2303 ----
              }
  
              public void setCause(Throwable t, Throwable cause) {
                  t.setCause(cause);
              }
+ 
+             public void loadLibrary(Class<?> klass, String library) {
+                 assert library.indexOf(java.io.File.separatorChar) < 0 && classStackWalker().getCallerClass() == klass;
+                 if (System.getSecurityManager() == null) {
+                     ClassLoader.loadLibrary(klass, library, false);
+                 } else {
+                     AccessController.doPrivileged(
+                         new java.security.PrivilegedAction<>() {
+                             public Void run() {
+                                 ClassLoader.loadLibrary(klass, library, false);
+                                 return null;
+                             }
+                         });
+                 }
+             }
+ 
+             private StackWalker classStackWalker() {
+                 return AccessController.doPrivileged(
+                     new java.security.PrivilegedAction<StackWalker>() {
+                         public StackWalker run() {
+                             return StackWalker.getInstance(StackWalker.Option.RETAIN_CLASS_REFERENCE);
+                         }
+                     });
+             }
          });
      }
  }